imagine that a woman has a genetic variant (an allele) that is more advantageous than other genetic variants (alleles) in the population. we can be certain that:

Answers

Answer 1

certain that:

1. She will pass on the favourable trait to her offspring

2. Combination of differential reproduction and heredity

3. Favours individual survival above all other traits.

Natural selection is like a filter and natural selection is too slow to adapt. A new allele need to increase fitness when it first arises and need to increase fitness in future generations .

Population usually refers to the number of people living in a region, such as a city, town, region, country, continent, or world. Governments typically quantify the size of the population of their territory using a census, the process of collecting, analyzing, compiling and publishing data on populations.

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Related Questions

when the ............ membrane moves, the ...... on the spiral organ hair cells distort because they are anchored by the tectorial membrane.

Answers

When the basilar membrane moves, the stereocilia on the spiral organ hair cells distort because they are anchored by the tectorial membrane.

What are spiral organ ?

The spiral organ is also called the organ of Corti which is defined as the receptor organ for hearing, located in the cochlea of the ear.

The spiral organ is made up of hair cells which are sensory epithelial cells that act as the sensory receptor of the inner ear.

During the transport of sound from the ear drum, the movement of the basilar membrane lead to the change in the spiral hair cells because they are anchored by the tectorial membrane.

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FILL IN THE BLANK. the energy currency used by cells is ______________.

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The energy currency used by cells is adenosine triphosphate.

In terms of structure, ATP is indeed an RNA nucleotide with a three-phosphate chain. A five-carbon sugar, ribose, is attached towards the nucleocapsid adenine and a three-phosphate chain in the molecule's centre.

This same three phosphate groups are labelled alpha, beta, but also gamma in order of proximity to the ribose sugar. The three adjacent negative charges throughout ATP's phosphate tail, which "wish" to move away from each other, make it unstable. The bonds formed by the phosphate groups are known as phosphoanhydride bonds, and they are sometimes referred to as "high-energy" bonds.

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what type(s) of prokaryotic regulation fits the description? transcription occurs with high levels of the small molecule.

Answers

Positive inducible and negative repressible type(s) of prokaryotic regulation fits the description.

What regulates prokaryotic transcription?

In prokaryotes, this means that the controls on transcription are straightforward activators and repressors. A quick and effective control mechanism is required. In order to alter from a default state of expression or non-expression, only one of the two regulatory mechanisms may be employed for particular genes.

Gene regulation comes in two flavors: positive and negative. Positive regulation is initiated by activators (and occasionally inducers), whereas negative regulation is initiated by repressors. An operon is bound by an activator or inducer, which either speeds up transcription or permits it to continue.

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one surprising fact of the animal kingdom is that only approximately 5% of animals are classified into which group?

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one surprising fact of the animal kingdom is that only approximately 5% of animals are classified into Chordata group.

Due of the notochord's presence in the tail, the genus chordata was named. Animals that support their dorsal or back sides with a flexible rod are classified in the phylum Chordata. The term chord, which means string in Greek, is the source of the phylum's name. The majority of species in the phylum Chordata, or class of creatures with backbones, are vertebrates (subphylum Vertebrata). Lancelets, sea squirts, and vertebrates all belong to the enormous group of animals known as Chordata. The phylum Chordata includes a number of well-known vertebrates, including amphibians, fish, reptiles, and mammals.

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in both eukaryotes and prokaryotes, gene expression is primarily regulated at the level of

Answers

Answer:

Gene expression in prokaryotes is mostly regulated at the transcriptional level (some epigenetic and post-translational regulation is also present), whereas in eukaryotic cells, gene expression is regulated at the epigenetic, transcriptional, post-transcriptional, translational, and post-translational levels.

most animals a. are vertebrates. b. are invertebrates. c. lack symmetry. d. are radially symmetrical. e. belong to the chordate group.

Answers

Answer:

A

Explanation:

this is my guess personally

FILL IN THE BLANK. strains of pathogens that mildly harm, but do not kill, the host plant are termed _____.

Answers

Strains of pathogens that mildly harm, but do not kill, the host plant are termed as avirulent.


Factory pathogens is spreading and living with a malign strain of factory pathogen on the host or nonhost factory in the fields. The actuality of numerous strains of factory pathogens, living in one niche leads the commerce among them.

This commerce includes two kind,( A) enmity, and( B) Mutualism. The useful part of avirulent or nonpathogenic strain is by showing the capability to negative against  malign strain by numerous mechanisms. While the contraryside of avirulent or in harmonious  strain forms a dangerous partthrough cooperation with malign strain in the colonization of the host factory.

This cooperation may contribute to the circumstance-of the factory complaint epidemic. There's collective benefit passing between inharmonious strain and malign strain of factory pathogens . In conclusion, the mixing among strains of the factorypathogens may lead to elevation a new malign strain that's further destructive  for the shops. 

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What did Mohorovicic discover by looking at seismic activity?


A)The earth is made of one density throughout it's interior.


B)The earth is made up of different densities at different layers.


C)S waves and P waves travel at the same speed within the Earth.


D)Earthquake waves cannot travel though the interior of the Earth

Answers

Mohorovicic find Seismic activity may be used to determine that S waves that P waves move through the Earth at the same pace.

Describe Earth.

The only planet of our sun known for supporting life is Earth, which is the closest planet to the Sun, the biggest of the system platform's four planetary systems, the densest place on the planet, and the planet with the highest density.

What exists on Earth?

The elements of Earth are land, air, water, and life. Rocks, valleys, and flat places can all be on the ground. Fumes, namely nitrogen and oxygen make up the air. Rain, ice, glacier, rivers, lakes, seas, & torrents are all examples of freshwater.

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The reaction A --> B + C + heat is released in a(n) _____ reaction. A. dehydration synthesis B. exchange C. endergonic D. anabolic E. exergonic

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The reaction A --> B + C + heat is released in an exergonic (energy has been released).

An exergonic reaction is indeed a chemical reaction in which the change in limitless energy has been bad . If the system seems to be closed and the final and initial temperatures are equal, this indicates a reflex response. The Gibbs free energy is appropriate for processes that occur inside a closed system at the same pressure and temperature, while the Helmholtz energy is pertinent for processes that happen at constant temperatures and volumes.

In accordance with the second law of thermodynamics, any reaction that occurs at constant temperature with out input of electrical as well as photon energy is exergonic. Cellular respiration is an example.

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deterioration of the ossicle bones can cause this type of hearing impairment: a) sensory neural b) ventral neural c) conduction d) none of the above

Answers

Deterioration of the ossicle bones can cause of Conduction Hearing Impairment .

When the cochlea, the hearing organ in the inner ear, is not receiving sound energy properly, conductive hearing loss develops. Blockage of the ear canal, a hole in the ear drum, issues with the three tiny bones in the ear, or fluid in the area between the ear drum and the cochlea are common causes of conductive hearing loss. Fortunately, conductive hearing loss is usually treatable.

Conduction hearing loss symptoms can include or be related to any of the following, depending on the precise cause and degree (see below):

distorted hearing ,  hearing loss that is sudden or gradual,  feeling of "stuffiness" or fullness in the ear, Dizziness,  the ear being drained, An earache or discomfort

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typically, where is the single-pole wall switch that controls a continuous feed food waste disposer located?

Answers

Above the countertop the single-pole wall switch that controls a continuous feed food waste disposer located.

Garbage disposals are fantastic devices that turn food scraps into pulp, making it easy to dispose of food waste in residential kitchens. The best garbage disposal switch options are contrasted here. Special switches are used to turn on garbage disposals. The air switch, wireless switch, wall switch, and toe kick switch are the four most common types of garbage disposal switches. If a garbage disposal is a batch feed model, it can also be wired directly to the mains. The easiest and safest way to turn on a garbage disposal is with an air switch. It is a pneumatic switch, which means there are no electrical wires connecting it to the mains. It is often mounted on the counter just over the sink. The switch is safe to use even when wet because there are no direct electrical connections. Additionally, it has a nice appearance and is simple to use.

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where does the spinal cord arise from the medulla oblongata? multiple choice question. at the medullary cone at the foramen magnum at the cervical enlargement

Answers

The spinal cord starts in the medulla oblongata, which is located at the base of the brain stem, & ends in the lower spine, where it tapers to create a cone known as the conus medullaris.

The medulla oblongata, which is the lowest part of the brain stem, is where the spinal cord begins. The conus medullaris, which is the spinal cord's terminal between L1 and L2, is located between the foramen magnum of a occipital bone and L1. The vertebrae surround and protect the spinal cord, which is housed inside the vertebral canal. The spinal cord starts in the medulla oblongata, which is located at the base of the brain stem, & ends in the lower spine, where it tapers to create a cone known as the conus medullaris.The protective three-layer meninges that surround the spinal cord are made of connective tissue. Although they come from the spinal cord, spinal nerves are a component of the peripheral nervous system. The majority of spinal nerves were mixed, carrying both motor efferent axons and sensory afferent fibers.

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contains the pigment, or eye color, and has a "hole" in the center called the pupil

Answers

I feel like its Choroid ,iam not quite sure tho

Hydrothermal vents provide a unique deep sea environment that supports abundant life because

Answers

Answer:

The heat from the hydrothermal vents provides a more hospitable environment to support life

I hope my answer helps you.

Biofeedback can be used to control all of the following except __________. a. heart rate b. muscle growth c. brain waves d. skin temperature

Answers

Answer:

B muscle growth

Explanation:

Biofeedback is a technique you can use to learn to control some of your body's functions, such as your heart rate. During biofeedback, you're connected to electrical sensors that help you receive information about your body.

the extraordinary movement of peoples, plants, animals, goods, cultures, and diseases in the sixteenth century is called the?

Answers

The Columbian Exchange, which occurred in the sixteenth century, was characterized by enormous mobility of people, goods, plants, animals, cultures, and illnesses.

What traits distinguished sixteenth-century Europe?

An active phase of economic expansion occurred during the 16th century. The numerous social, political, and cultural changes that occurred during the early modern era were greatly influenced by this expansion. After two centuries of decline or stagnation, most of Europe's populations were growing by the year 1500.

Which social classes in Europe profited most from the pricing revolution?

1.4. 2. B: The pricing revolution helped great landowners in western Europe by commercializing agriculture, which led to the accumulation of capital and the growth of the market economy.

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For each of the following situations, predict
whether the Hardy-Weinberg equilibrium
would be maintained after several generations.
Explain your reasoning.
(a) A population of long-tailed widow birds is
maintained at a local zoo.
(b) A population of birds lives on an isolated
island.
(c) Climate change is melting the polar ice
where polar bears live.
(d) A rat population lives in the subway system
in Toronto.

Answers

Hardy-Weinberg equilibrium is an important principal of population genetics. The frequency of genotype in a population remains constant in a large population if no disturbance occurs.

What is Hardy-Weinberg Equilibrium?

The Hardy-Weinberg Equilibrium is an important fundamental principal of the population genetics. This principal states that the genotype frequencies in a population remain constant between generations in the absence of any disturbance by outside factors.

A population of the long-tailed widow birds is maintained at a local zoo. The Hardy-Weinberg equilibrium would be maintained after several generations if they receive proper care and management at the zoo and no disturbance.

A population of birds which lives on an isolated island, the Hardy-Weinberg equilibrium would be maintained in the population after several generations due to the non-disturbed environment and no human interference.

Climate change such as melting of the polar ice where the polar bears live, the Hardy-Weinberg equilibrium would be maintained after several generations if the melting of polar ice can be recovered or the polar bears go to the suitable place which is favorable for the growth and survival of the species.

A rat population who lives in the subway system in Toronto, the Hardy-Weinberg equilibrium would be maintained after several generations if the rat population gained less predator and more food and resources.

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corals have a mutualistic relationship with photosynthetic algae in the photic zones of water. what purpose does this serve?

Answers

Corals can get their nutrition from algae and thus survive in nutritionally depleted water. Corals can accumulate calcium carbonate from algae.

Corals and algae have a symbiotic relationship. The coral offers the algae with a safe environment as well as the compounds they require for photosynthesis. It differs from the other two major types (barrier reefs and atolls) in that it either has a completely superficial backreef zone (lagoon) or none at all.

Most reef-building corals have photosynthetic cells in their tissues called zooxanthellae. These special cells and corals have a symbiotic association. The coral allocates the zooxanthellae with a safe environment as well as the compounds they require for photosynthesis.

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why is the date 1.8 mya so important in hominin evolutionary history reason why 1.8 mya is important

Answers

It was the first time Homo Erectus appeared in asia.

Who  are Homo Erectus?

Homo erectus means "upright man")is an extinct species of archaic human from the Pleistocene, with its earliest occurrence about 2 million years ago.

What is evolutionary history?

In scientific terms, the evolutionary history and relationship of an organism or group of organisms is called its phylogeny. A phylogeny describes the relationships of an organism, such as from which organisms it is thought to have evolved, to which species it is most closely related, and so forth.

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__________ is the process through which high energy UV radiation breaks down atmospheric water and nitrite into component atoms.
A)
Transpiration
B)
Evapotranspiration
C)
Sublimation
D)
Photolysis
E)
Evaporation


Please select the best answer from the choices provided

A
B
C
D
E

Answers

Answer:

D. Photolyisis

is the best answer.

Part 1: Investigating the Responses of Pill Bugs to Moisture (8 points) In this part of the lab, you will explore the responses of pill bugs to moist and dry environments. You will begin by preparing a habitat for pill bugs and a choice chamber for an experiment. A choice chamber provides an organism with two distinct environmental conditions. You will place a moist paper towel on one side of the chamber and a dry paper towel on the other side. You will place the pill bugs in the middle and count the number that have moved to each side after a certain amount of time.

1. Identify the variables for the experiment. (4 points)
Independent variable:
Dependent variable:
Controlled variables:

(Apex)

Answers

The dependent variable here is Pill Bug, independent is moisture and choice of membrane controlled variable.

What is a variable?

Any qualities, quantity, or number that can be gauged or tallied qualifies as a variable. A data item is another name for a variable.

Examples of variables include age, gender, company income and expenses, country of birth, capital expenditures, class grades, eye colour, and vehicle kind.

Variables can have a wide range of values, which is why they are called variables. Thus, a variable can be thought of as a quantity that can take on different values depending on the circumstances of a given issue.

Pill Bug is the dependent variable in the experiment at hand, while controlled variables for moisture and membrane selection are independent variables.

Thus, these are the variable in the given investigation.

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cell products or wastes are released to the surrondings through the process of endocytosis true or false

Answers

Endocytosis is an important process involved in the uptake of essential molecules and particles into the cell, as well as the excretion of waste products out of the cell. Therefore, it is true that cell products or wastes can be released to the surroundings through the process of endocytosis.

Endocytosis is a process that occurs in all cells, in which substances enter the cell from the outside environment. It is a vital part of the cell’s metabolism and helps it to take up essential nutrients, expel wastes, and maintain a healthy balance between the inside and outside of the cell. The answer to the question, “Are cell products or wastes released to the surroundings through the process of endocytosis?” is yes, they are.

Endocytosis is a process by which a cell takes up material from the outside environment and transports it inside the cell. It involves the formation of small vesicles, which are created by the cell’s membrane folding inwards and surrounding a molecule or particle. The vesicle is then transported across the cell membrane, where it is broken down and the contents are released into the cell’s interior. This process is important for cells to take in nutrients and material necessary for their survival, as well as for the excretion of waste products.

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Hiro rubs an inflated balloon on his hair, and his hair sticks to the balloon. As he moves the balloon away from his head, how does the electric force change?

The electric force increases because the balloon loses its charge.
The electric force increases because the distance increases.
The electric force decreases because the distance increases.
The electric force decreases because his hair loses its charge.

Answers

Answer:

Explanation:

Hiro rubs an inflated balloon on his hair, and his hair sticks to the balloon. As he moves the balloon away from his head, how does the electric force change? The electric force increases because the balloon loses its charge.

As the balloon is moved away from the hair the electric force decreases because the hair loses its charge. Therefore, option "D" is correct.

What is the static charge?

Electricity produced via friction is perceived as the force between two bodies that aggregate electrical charges, either by cycles of electron acceptance or donation. These charges can accumulate on an object's surface until released or discharged.

The fundamental risk related to static charge in hardware is from the individual in touch with a part but no harm to humans. The heat from an electronic discharge can damage contacts, burn connections, or break microchips.

Therefore, a static charge is produced when two objects come in close association and results in the movement of electrons.

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why agricultural plants are more affected then natural growth plants

Answers

Answer:

One reason is that agricultural plants are often grown in large quantities and are often monoculture crops, meaning that they are all the same species. This can make them more susceptible to pests and diseases, as these organisms can quickly spread through a monoculture crop and cause significant damage. Natural growth plants, on the other hand, are often more diverse and may not be as vulnerable to these types of problems.

FILL IN THE BLANK. meiotic cell division in animals occurs in the ________ and results in the production of ________.

Answers

Meiotic cell division in animals occurs in the testes and ovaries and results in the production of gametes.

Meiosis is the type of cell division where the number of chromosomes become half to that of the parent cell. This is why it is also known by the name reductional division. The meiotic cell division can only be seen in the germ cells of the body.

Gametes are the reproductive cells that give rise to a new individual upon fusion. The male gamete is called the sperm while the female gamete is called ovum or egg. These gametes are haploid in nature i.e., consists of only one set of chromosomes.

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What are the components of the Earth System and explain and/or give an example of how they interact with each other.​

Answers

Answer: These subsystems are interconnected by processes and cycles, which, over time, intermittently store, transform and/or transfer matter and energy throughout the whole Earth system in ways that are governed by the laws of conservation of matter and energy

Explanation:the explanatain is in the answer

__act as biological catalysts allowing reactions to occur at the rate necessary

Answers

Enzymes act as biological catalyst ,they speed up the process of a reaction:)

when using the steps of the scientific method, which step would you use immediately after the development of a hypothesis?

Answers

The step would use is to test with an experiment or test the prediction mostly is called the testing process

rna polymerase from e. coli (core enzyme alone) has all of the following properties except that it:

Answers

RNA polymerase from e. coli (core enzyme alone) has all of the following properties except that it: recognizes specific start signals in DNA.

'What is RNA polymerase?'

In bacteria, all kinds of RNA transcription are catalyzed by a single DNA-dependent RNA polymerase. The promoter is bound to by RNA polymerase, which starts transcription (Initiation). It uses nucleoside triphosphates as its substrate and polymerizes using a template in accordance with the complementarity principle. Along with facilitating elongation, it also helps the helix open. Only a small portion of the RNA is still attached to the enzyme. The nascent RNA fall off as well as the RNA polymerase once the polymerases reaches the terminator region. As a result, transcribing is stopped. Only the elongation phase can be catalyzed by the RNA polymerase. To start and stop transcription, respectively, it briefly connects with initiation-factor and termination-factor.

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Their results are shown in the table below.
height the ball was
dropped from (cm)
10
20
30
40
50
Jack's results
1.1
1.4
1.6
1.8
depth of crater (cm)
2.0
1.2
1.5
1.6
1.7
2.1
Aneesa's
results
0.8
1.4
1.5
1.8
2.1
(a) Use information in the table to answer the questions below.
(i)
What was the independent variable that Jack and Aneesa changed in their
investigation?

Answers

(i) The height the ball was dropped from accept ‘height’ do not accept ‘depth’ accept ‘height in cm’ ‘cm’ is insufficient. In their investigation, Jack and Aneesa manipulated these independent variables.

What in science constitutes the independent and dependent variables?

The cause is the independent variable. Its value is unaffected by the variables. Effect is the dependent variable. Changes in independent variable also affect its value.

What are some illustrations of independent and dependent variables?

You run an experiment to see how consuming diet soda and ordinary soda affects blood sugar levels.

The independent variable is the type of soda, either diet or regular.

The dependent variable is the blood sugar level, which varies based on the soda type.

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provide the route that one oxygen molecule, o2, will take as it moves from the room air up to its arrival inside the mitochondrion of a cell in a skeletal muscle fiber of the leg. be detailed, particularly in passing through cell membranes. write this in flow chart format, using words linked by arrows. indicate which portion of this route is considered internal respiration, and which portion is considered external respiration. A flat line means a) Unbroken b) Not round c) Endless d) Horizontal The Articles of Incorporation for ABC Corporation specifically forbids the corporation from making personal loans to its officers or directors. Despite this, the board approved a personal loan to the President of the corporation. This action by the board is ______________.ultra vires describe in detail how you, as a supply chain manager, could apply the specific elements in the logistics management process to help a manufacturer of lawn mowing equipment achieve the desired levels of delivered service and quality at the lowest possible cost. according to article v of the us constitution, how many states are required to ratify any amendments to the us constitution? Gooey substance made of cornstarch and water, with a name that comes from Dr. Seuss a cosine function has a period of 3, a maximum value of 20, and a minimum value of 0. the function is a reflection of its parent function over the x-axis. which function could be the function described? responses f(x) Balance the following chemical equation:H +0 -->HO Design your own questionnaire to test this hypothesis. 'Most students in Year 9 sleep at least 10 hours on a school night.' problems of poor police-minority relations are relatively recent, beginning with major demonstrations in the early 2000s. Six vectors (a through f ) have the magnitudes and directions indicated in the figure. (Figure 1)1.Rank the vector combinations on the basis of their magnitude.Rank from largest to smallest. To rank items as equivalent, overlap them.a+cf+cda+ba+ea+d the reality of death and final judgment certainly should reorient one in this life to live a moral and ethical life through jesus christ. in a/an , there are only a few sellers, selling relatively undifferentiated products. in a/an , there are only a few sellers, selling relatively undifferentiated products. how is morrison using another meaning of the word narrow when she contrasts its with bighearted f(x)=4x-9 find point of intersection In the United States in the late nineteenth century, new industrial technology contributed to a rise in industrial accidents, but social welfare legislation to aid those injured did not yet exist. This illustrates __________.cultural lag 1. How was the Iroquois Confederacy influential in the forming of the United States constitution? Give a specific example. 2. How were Iroquois ideas influential outside of the American continents? 3. What role did women have in the Iroquois culture? (Besides bearing and rearing children) 4. Give a specific example of how the European colonists were dependent on the Iroquois upon their arrival to North America. 5 How do the Iroquois dispel the European myth of the Native Americans as "savages"? there are several social theories of aging. for example, the continuity theory describes how the social networks become more selective with age, extending lifelong selection processes true false If V is the subspace spanned by (1,1,1) and (2,1,0): (a) Find a matrix A that has V as its row space (b) Find a matrix B that has V as its nullspace. (c) Multiply A and B. the mosquito population increases as rain and heat become more prevalent, and as a result tends to spread disease more during this time. mosquitos are an example of