Answer:
Option (C)
Explanation:
Moons – also known as natural satellites – orbit planets and asteroids in our solar system. Earth has one moon, and there are more than 200 moons in our solar system. Most of the major planets – all except Mercury and Venus – have moons.
Answer:
c
Explanation:
it just made more sense then the others
Assume that the price underestimates the value that society places on the flu vaccine. If firms produce where P = MC, firms will be producing ________ the socially efficient amount of flu vaccine.
a) exactly
b)more than
c)less than
d)sometimes more than and sometimes less than
Firms will be producing less than the socially efficient amount of flu vaccine.
A vaccine is an organic instruction that gives active received immunity to a particular infectious or malignant disease. The protection and effectiveness of vaccines have been broadly studied and validated.
Vaccines help your frame create protective antibodies—proteins that assist it to fight off infections. With the aid of getting vaccinated, you may shield yourself and also keep away from spreading preventable diseases to other human beings in your network.
Vaccines give you immunity to an ailment without you getting sick first. They're made using killed or weakened versions of the disease-causing germ or parts of the germ (called antigens).
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A kite is an example of what
Answer:
Explanation:
airplane
The ribs are
Select one:
O a. anterior
O b. deep
O c. proximal
O d. superficial
to the skin.
Answer: deep
Explanation:
Hydrogen bonding among water molecules gives water all of the following important properties, EXCEPT:
A transparent colour falls in no place and do not really have any correlation in oxygen and hydrogen relationship.
What is hydrogen bond?hydrogen bond is a primarily electrostatic force of attraction between ever hydrogenated atom which is covalently bound to a more Electronegativity "donor" or atom or the group.
Hydrogen bonds here in the water provides a lot of the benefits which includes cohesion, releasing heat of formation of when forming, Also because of the fact that water molecules are polar, they form hydrogen molecules are you and give water some of which ranges from high boiling point, are the relative gravity, adhesion ad also cohesion. It is also known that oxygen atom of attracts the electrons more to be im strongly than the hydrogen.
A transparent colour falls in no place and do not really have any correlation in oxygen and hydrogen relationship.
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how would urbanization impact the nitrogen cycle
Urbanization has a particularly large effect on the nitrogen (N) cycle, reducing watershed N retention and increasing downstream N export. Excess N export can lead to eutrophication, with associated algal blooms, and periodic hypoxia in freshwater and coastal ecosystems.
Explanation:
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Increased temperatures, elevated CO2 levels, pollution, heavy metal deposition, earthworm activity, and nitrogen deposition are all factors that affect urban regions.
Some plant species' growth has been linked to urbanization. Given that the availability of nitrogen has historically restricted plant growth in many terrestrial environments, this rise in growth may be due to excessive nitrogen deposition.
Nitrogen, a nutrient that has historically been limited in terrestrial ecosystems, can potentially have major effects on soil microbial communities that control the breakdown of organic matter, hence controlling nutrient availability for plants.
Examining the role of the extracellular enzymes that mediate decomposition and nutrient cycling can help us understand changes in these processes.
The nitrogen (N) cycle is significantly impacted by urbanization, which decreases watershed N retention and increases downstream N export.
In freshwater and coastal environments, excessive N export can cause eutrophication, which is accompanied by algal blooms and intermittent hypoxia.
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Which ocean process brings vital nutrients from the bottom to the surface waters?
O density
O downwelling
O floating
O upwelling
Answer:
Option 4) Upwelling currentsUpwelling currents bring cold nutrient-rich waters from the ocean bottom to the surface, supporting many of the most important fisheries and ecosystems in the world.Match the mitosis phase at left with its best description at right. daughter cells separate [Choose ] DNA replicates [Choose ] chromosomes form [Choose ] chromosomes line up at cell equator [Choose ] sister chromatids separate [Choose ] 2 new nuclear envelopes form [Choose ]
The match is taht daughter cells separate [Cytokineseis ] DNA replicates [S phase ] chromosomes form [prophase ] chromosomes line up at cell equator [metaphase 2 ] sister chromatids separate [anaphase ] 2 new nuclear envelopes form [telophase ].
Daughter Cells and Cytokinesis the very last step withinside the method of mobileular department happens in cytokinesis. This method starts offevolved at some stage in anaphase and ends after telophase in mitosis.
In cytokinesis, the dividing mobileular is cut up into daughter cells with the assist of the spindle apparatus cell biology, mitosis is part of the cell cycle wherein replicated chromosomes are separated into new nuclei. Cell department with the aid of using mitosis offers upward thrust to genetically equal cells wherein the overall range of chromosomes is maintained. Therefore, mitosis is likewise referred to as equational department.
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Impulses transmitted through the direct, pyramidal or corticospinal pathway, pass directly from upper to lower motor neurons (no __________ involved) and are responsible for __________ control of skeletal muscles.
interneurons, conscious
The conscious control of skeletal muscles is accomplished by impulses that go down the direct, pyramidal, or corticospinal pathway, which connects upper and lower motor neuron interneurons directly.
What is regulated by the corticospinal pathway?The main neural circuit supplying voluntary motor activity is known as the corticospinal tract, sometimes known as the pyramidal tract. To allow movement of the distal extremities, this tract joins the spinal cord and brain.
What signals does the corticospinal tract send?Motor impulses are sent from the primary motor cortex in the brain through the spinal cord to the muscles in the trunk and limbs via the corticospinal tract. Therefore, this tract is engaged in the body's muscles' voluntary movements.
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can you use the terms to complete this paragraph that summarizes the organization of the vertebrate nervous system?
When you touch a hot stove, *sensory receptors* in your fingertip detect the risk and turn it into an electrical signal. This signal travels from your fingertip to your brain via nerve cells known as *sensory neurons*.
These nerves are part of the *peripheral nervous system*, which is an anatomical component of the nervous system. The signal is sent along these nerves to the spinal cord and brain.
These two components comprise an anatomical division known as the *central nervous system*. Within this area of the nervous system, specialized nerve cells known as *interneurons* integrate this information, develop a reaction, and then transmit these instructions to *motor neurons* as nerve impulses.
These neurons send impulses to the muscles in your arm, causing them to draw your hand away.
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Label the following diagrams of stratified and columnar epithelium to better understand the body's epithelial barriers. Not all labels are used.
It is an uncommon column-shaped epithelium that can be found on the throat, anus, lobar ducts, and conjunctiva. Multiple layers of epithelial cells make up stratified columnar epithelium.
It frequently occurs between simple columnar epithelia and squamous epithelia.It has numerous layers of cells, with columnar cells making up the apical layer and cuboidal or columnar cells making up the lower layer.When compared to other epithelial tissues, stratified columnar epithelial tissues are rare. The following parts of the human body contain it. With many layers of epithelial cells, the primary purpose of stratified columnar epithelium is to protect underlying structures. They also carry out secretion.To know more about stratified columnar epithelium
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HELP IM ON LIMITED TIME
Given the following phylogenetic tree, which evolutionary trait is
found in the most classes of invertebrates?
Select one:
Radial symmetry
Deuterostomes
Bilateral symmetry
True tissues
Answer:
bilateral symmetry
Explanation:
The evolutionary trait that is found in the most classes of invertebrates is bilateral symmetry. Bilateral symmetry is present in all classes of invertebrates shown on the phylogenetic tree, including mollusks, annelids, and arthropods. Radial symmetry, on the other hand, is only found in the cnidarians, and true tissues are only found in the deuterostomes. Therefore, bilateral symmetry is the trait that is found in the most classes of invertebrates.
Blood type in humans is an example of a trait that has multiple alleles. The alleles for type A blood and type B blood are codominant, and type O blood is recessive to both type A and type B. If a girl with type AB blood has a brother with
type O blood and a sister with type B blood, which of the following genotypes could it be possible for their parents to have?
CAO and BO
AB and 00
CAB and BO
CAD and AB
Out of the following genotypes the possible genotype of their parents is option one that is CAO and BO.
The ability to distinguish between different blood types in humans or their blood based on the presence or absence of particular antigens in the blood is known as blood grouping. The presence or lack of two antigens, A and B, on the surface of red blood cells results in one of four major blood types. A, B, AB, O
Blood types that are genetically passed down include:
Parent 1 Blood Group + Parent 2 Blood Group= Baby’s Blood Group
O+O= O
O+A = O or A
O+B = O or B
O + AB= A or B
A+A= O or A
B+B= O or B
AB+AB= A, B. AB
A+B = O A, B, AB
A+AB = A, B. AB
B+AB = A, B. AB
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Determine if the graph shows a proportional relationship.
Yes, it is proportional because the line intersects with the origin.
Yes, it is proportional because the axes are numbered correctly.
No, it is not proportional because the line does not intersect with the origin.
No, it is not proportional because the points do not make a straight line.
Yes, it is proportional because the line intersects with the origin.
what is proportional relationship in graph ?
What are proportional relationships in a graph? A relationship where the ratio between the two variables is constant is called a graph proportional relationship. Consider the association between x and y, for instance.
A straight line graph that travels through the origin will always result from two values that are in direct proportion. The gradient of the graph will be positive if the proportionality constant is positive. The gradient of the graph will be negative if the constant is negative.
On this graph, the origin (0, 0) is represented by the point (0, 0). It is a linear relationship if there is no time, no distance, and we can also see that it is a line. You are dealing with a proportional relationship if it is linear and passes through the origin.
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Four types of cell with chloroplasts
Plant cells, parenchyma cells, collenchyma cells and chlorenchyma cell contains chloroplasts.
What are the functions of chloroplasts?A chloroplast is a type of membrane-bound organelle known as a plastid that conducts photosynthesis mostly in plant and algal cells.
Moreover, chloroplasts produce energy through photosynthesis and oxygen-release processes, which sustain plant growth and crop yield. As such, chloroplasts are responsible for the biosynthesis of active compounds.
There are two distinct regions present inside a chloroplast known as the grana and stroma. Grana are made up of stacks of disc-shaped structures known as thylakoids or lamellae.
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Scientists collect data then develop and use models to make predictions about future climate conditions.
How does the data that scientists collect get used with climate models?
Scientists spend one year collecting data from one location. After all data is collected, scientists stop collecting data and input this information into a model to simulate real-world conditions.
Scientists collect ongoing data from many locations around the world. They then input this data into a mathematical or computer-based model to simulate real-world conditions.
Scientists collect data and use models separately. First, scientists develop models. Then, they collect data.
Collecting data and developing models are used for different purposes. Data is used to make predictions where models are used to make conclusions.
Scientists collect ongoing data from many locations around the world. They then input this data into a mathematical or computer-based model to simulate real-world conditions.
What is climate forecasting?Weather averages and other climatic characteristics are predicted by climate forecasts from a few weeks to a few years in advance. Such forecasts are increasingly being made using thorough models of the Earth's climate system.
Since it aids in forecasting future climate conditions, climatology and weather forecasting are crucial. The likelihood that snow and hail will reach the surface can be calculated using latitude. You may also determine the thermal energy from the sun that a location can get.
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1. Integumentary 2. Skeletal 3. Muscular
4. Nervous 5. Endocrine 6. Cardiovascular
7. Lymphatic 8. Respiratory 9. Digestive
10. Urinary 11. Reproductive Which systems
assist in regulating body temperature?
Select one:
O a. 2, 3
O b. 10, 7, 5
O c. 9, 6, 8
O d. 1, 3, 6
Answer: D
Explanation:
Tyra created a chart that compared DNA and RNA for her science class. Tyra made a mistake while she was creating her chart. Which best identifies the mistake Tyra made?
Answer:The RNA remains in the nucleus and that dna leave the nucleus is the one that is incorrect
Rna is called the messenger dna because after it creates a copy it leave the nucleus and goes to the ribosome to make proteins while dna stays in the nucleus
Why is heritable variation important?
A. Without variation species would reproduce too quickly
and become overpopulated.
B. It creates variation within a population and helps a
species survive changes in the environment. This is the answer
C. Heritable variation isn't important and it doesn't
benefit a species.
In the given case- It creates variation within a population and helps a species survive changes in the environment.
What is heritable variation?
The additive genetic variance, also known as the heritable variation, is defined as the variance of the breeding values among individuals, σ A 2.Examples of genetic variants that can exist in a human population include skin color, hair color, dimples, freckles, and blood type.Genetic diversity can come from various sources, one of which being mutations, or alterations in the DNA's gene sequences. Gene flow, or the transfer of genes between several groups of organisms, is another source. The development of new gene combinations through sexual reproduction can also result in genetic variety.Learn more about variations here:
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A protein called keratin71 affects what kind of hair dogs have. One variation of keratin71 results in straight hair. A variation of keratin71 results in curly hair. This curly-hair variation of keratin71 has a different protein structure than the straight-hair variation. Write the steps to complete a flow chart to describe how straight hair is produced in dogs.
Dogs with N/N (i.e, N = no curl) genotype are observed to have a straight hair coat. This curl variant cannot be transmitted to their offspring.
How are dogs' straight hair strands created?Dogs who have straight hair have two copies of the straight version of the gene (cc); dogs who have wavy hair have one copy of the straight form of the gene and one copy of the curly form (Cc); and dogs who have curly hair are homozygous for the curly mutation (CC).
The RSPO2 gene (furniture), FGF5 gene (long hair), and KRT71 gene (coat type) are the three genes involved (curly gene). Both the furnishings gene and the curly gene are dominant, and only one copy is necessary to have a coat that is furnished or curly, respectively.
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what do limiting factors do ?
Answer:
It limits the amount of something, ex 1: population of animals. ex 2: food.
Explanation:
Limiting = a cap on something
factor = contribution to a outcome or result
by limiting, it factors a result of a limited amount of x
5. In nucleic acids the purine nitrogenous base are A. uracil and thymine E. adenine and guanine C. cytosine and guanine D. guanine and thymine
Answer:
The correct answer is Adenine, thymine, guanine, cytosine.
Explanation:
The four bases in DNA are: adenine, thymine, cytosine, guanine.
In RNA, thymine gets replaced by uracil.
Purine is only a name for the two bases guanine and adenine.
Which worm has the thinnest body, when measured dorsoventrally (back to belly)? The thickest?
Which worm has the shortest body, when measured anteroposteriorly {head to tail)? The longest?
a. The worm which has the thinnest body, when measured dorsoventrally (back to belly) is the horsehair worms.
b. The worm which has the thickest body is the gippsland earthwormc. The worm with the shortest body when measured anteroposteriorly is greeffiella.d. The worm with the longest body is the bootlace worm when measured from head to tail.What are worms?Worms are a group of invertebrate animals which do not have notochords, let alone backbones. This goes to say that all worms do not have back bones. Some of them are flatworms, round worms, earthworms and so on and so forth. Some worms have segmented bodies while some have unsegmented bodies.
In conclusion, it can therefore be deduced from the explanation given above that worms are invertebrates.
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Teenage autonomy is
A) seldom achieved.
B) often reacted to with anger by parents.
C) dysfunctional.
D) best accomplished through scaffolding.
When a parent grants their kid autonomy, they provide them the freedom to choose their own self-expression, beliefs, way of life, and hobbies, hence option B is correct.
What is Teenage autonomy?Every teenager needs to acquire emotional independence. It is an essential component of human growth.
The development of the psychosocial-individual, which is connected to the social-individual interaction, includes emotional autonomy. Through intervention, emotional autonomy might be achieved.
A person's ability to consider and assess their own conduct enhances autonomy since it deals with controlling behavior via the self.
One can develop the ability to ponder in a free, calm, or interested manner, which can aid one in avoiding acting on impulse or under the influence of external or internal compulsion.
Therefore, teenage autonomy is often reacted to with anger by parents.
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clostridium botulinum, the causative agent of botulism, has more than one portal of entry: the gastrointestinal tract and the skin. T/F
It is true that Clostridium botulinum, the causative agent of botulism, has more than one portal of entry: the gastrointestinal tract and the skin.
Under low oxygen conditions, the bacterium Clostridium botulinum produces harmful toxins (botulinum toxins). One of the most lethal substances known is botulinum toxins. Botulinum toxin toxins impair nerve function and can cause paralysis of the respiratory and muscular systems. C. botulinum can occasionally infect a wound. When a contaminated illicit drug, like black tar heroin, is injected into muscle or skin, this is the most common method. Botulinum toxins are ingested through the gastrointestinal tract, when food that hasn't been properly processed contains bacteria or spores that can survive, grow, and produce the toxins.
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(PLEASE ANSWER FAST!!!!!!!!!!)start with the sentence "I feel hungry". In the space below draw a cycle diagram to show how your body would respond to this situation.
In a hunger situation, the body releases some hormones such as ghrelin that stimulate the hunger center of the brain, and then the person feels hungry and eats some foods.
What happens to the body in a hunger situation?In a hunger situation, the energy level drops, the body uses stored materials like glycogen or fats, and hormones like ghrelin release and act on the hunger center, causing the person to feel hungry, and then they eat foods.
Hence, in a hunger situation, the body releases some hormones such as ghrelin that stimulate the hunger center of the brain, and then the person feels hungry and eats some foods.
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For each of the following tasks performed in the activity, describe what they are actually simulating.
Cutting the DNA into fragments:
Taping the DNA onto the large paper:
DNA is divided into smaller bits in the lab using restriction enzymes (also known as restriction endonucleases).
How does DNA fingerprinting relate to gel electrophoresis?[Editor's note: Gel electrophoresis is used in DNA fingerprinting to identify between genetic material samples.Enzymes are used to break down the human DNA molecules into a collection of smaller, more manageable bits at specific characteristic places.
Quizlet: What is gel electrophoresis?When an electric current is supplied, a process called gel electrophoresis separates particles according to their charge and size across a gel.DNA, amino acids, peptides, and other molecules can all be charged particles.a technique that makes use of an electrical field to separate DNA from a gelatin-like substance.
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Which arrangement of the following four enzymes represents the order in which they would be used in a typical gene-cloning experiment resulting in the insertion of a cDNA into a bacterial plasmid? Begin with the gene's mRNA transcript. (eText Concept 20.1)
reverse transcriptase, DNA polymerase, restriction enzyme, DNA ligase
The order of genes that represents the steps of a gene cloning experiment are: reverse transcriptase, DNA polymerase, restriction enzyme, DNA ligase.
Reverse transcriptase is the enzyme used in the process called reverse transcription. It is the process where DNA is formed from RNA. Such a DNA is called the complementary DNA or c-DNA.
Restriction enzymes are the types of enzyme that cut the strands of DNA by breaking off their phosphodiester bond. This is the reason why the enzyme is also called the molecular scissors. The cut produced by these enzymes can be of two types: blunt cut or sticky ends.
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what parts do ruminants and poultry have in common?
Stomata parts do ruminants and poultry have in common.
What are ruminants?Ruminants are defined as hoofed herbivorous grazing or browsing mammals that may absorb nutrients from plant-based diet by fermenting it before digestion, primarily through microbial processes, in a specialized stomach.
Monogastric animals, including pigs, fish, and poultry, are more dependent on grains and pulses, which compete for land that could be used to grow food for humans. Ruminant animals, like sheep, cattle, and goats, rely more on forages and grasses that are not suitable for human use.
Thus, stomata parts do ruminants and poultry have in common.
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, why do you think the digestive cavity needs to be the center of the flatworms?
The digestive cavity of flatworms is typically located at the center of the body, and this arrangement has several advantages for the animal. One of the main reasons for this arrangement is that it allows the digestive cavity to be in close proximity to the major organs and tissues of the body, which is important for the efficient digestion and absorption of nutrients.
Having the digestive cavity at the center of the body also allows flatworms to move and change shape easily. This is important for many flatworms, which are highly mobile and need to be able to move quickly and efficiently in order to capture prey and avoid predators. The central location of the digestive cavity allows the flatworm to move and change shape without disrupting the flow of food or the functioning of the digestive organs.
In addition, the central location of the digestive cavity allows flatworms to distribute nutrients and waste products evenly throughout the body. This is important for maintaining a balanced and healthy internal environment, which is essential for the survival and reproduction of the animal.
Overall, the central location of the digestive cavity in flatworms is advantageous because it allows the animal to move and change shape easily, it facilitates the efficient digestion and absorption of nutrients, and it helps to maintain a balanced and healthy internal environment.
what's the difference between biosphere and ecosystem
Answer:
An ecosystem is a collection of living things that coexist in a specific location and interact with it.
The region of the earth that is inhabited by living things is known as the biosphere, which also includes the land, ocean, and atmosphere.
Explanation:
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