The goal of Biology in Society is to provide students with a solid theoretical and practical understanding of genetics and developmental biology, evolution, reproduction, and physiology, of animals and plants, and their societal relevance.
What function does biology serve in modern society?The study of life in science is known as biology. It is a natural science with a wide range, yet it has a number of common threads that make it work as a single, cohesive field. all species that process genetically encoded information that can be passed on to future generations.
What does biology in society class entail?In the multidisciplinary major of "Biology & Society," students can study both the biological sciences and the social and ethical ramifications of contemporary biology.
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How do you make a seed experiment?
Answer: Seed experiment needs the proper temperature , moisture, air and light conditions to germinate,
Explanation: soak the seeds overnight in water ,set a side the top of the petri dish , or open the CD case .cut the paper towel , lay the marked-up paper in the bottom of the dish ,so the line sits horizontally across the center ,pour a little water into the dish to wet the paper towel ,smooth out any bubbles and tip out any extra water not absorbed by the paper later , and then ,the wet paper should remain stuck to inside of the dish or CD case ,stretch the rubber band and set close to one another ,around the center and we should be careful observe whether the seeds are stick to the moistened paper towel and add seed for germination away from direct sunlight.
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difference bettween star and protostar?
Answer:
A protostar looks like a star but its core is not yet hot enough for fusion to take place. The luminosity comes exclusively from the heating of the protostar as it contracts. Protostars are usually surrounded by dust, which blocks the light that they emit, so they are difficult to observe in the visible spectrum.
Explanation:
A protostar is not considered a star until it gets its energy from nuclear fusion instead of gravitational contraction. Gravitational contraction is the process of a cloud's gravity overcoming its internal pressure and causing a collapse.
A protostar is the stage in a star's life before it is hot enough to fuse hydrogen (13 million K). Fusion is the opposite idea to the atomic bombs dropped on Japan. Those bombs split atoms (specifically U-235?), where as in fusion, atoms are fused together. Protostars are simply out hot enough to fuse Hydrogen, and therefore are not main sequence stars like our sun.
Main sequence stars are stars that fuse hydrogen and exhibit a state of "Hydrostatic Equilibrium". Hydro-what? HE (as I'll call it) is where the fusion in a stars core counter acts the force of gravity attempting to compress the star.
Protostars do not exhibit this characteristic, rather they are in a state of collapse until they are compressed to a point where pressure is high enough to have a temperature high enough to fuse Hydrogen.
Protostars do fuse protons to Deuterium (a isotope of helium) but don't worry about this.
Protostars are technically stars, but I think you were asking how they defer from other stars.
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State what kind of reaction this is and how can you tell?
Answer:
I believe this reaction is also a chemical reaction because there is an enzyme being used, and enzymes catalyze chemical reactions by decreasing the activation energy.
Explanation:
Enzyme-is the rectangular multicoulored bit below the green rectangle in the first phase
substrate-the green rectangle in the first phase
enzyme-substrate complex- the combined enzyme and substrate in the second phase
active site-the indent in the multicoloured rec bit below green rectangle which attracts the suntrate and eventually houses it with its complementary shape and charge
products-are the two green squares that are produced into the reaction
the type of reaction is catalysis-breaking down of enzymes
What type of adaptation does a wood frog have?
Wood frogs have the adaptation to freeze in the winters.
In the field of biology, adaptation can be described as a process that allows a particular organism to survive in an environment. Only those organisms that are adapted to an environment can stay alive in a particular environment.
Wood frogs are organisms that survive in the woods. However, these organisms need an adaptation to survive in the winter. They hence have the ability to freeze themselves during the winters and anti-freeze in the summers.
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Who does Napoleon represent in the Russian Revolution?
Joseph Stalin, the Soviet leader, served as the representation for Napoleon in the Russian revolution.
Stalin participated in the 1917 Russian Revolution and took control of Soviet Russia in 1924 after Vladimir Lenin's passing. Napoleon is a reference for Joseph Stalin since both men were driven by fear. Squealer is a euphemism for the Russian media, which propagandised on behalf of Stalin. Animal Farm is a symbolism for the 1917 Russian Revolution. Boxer is a depiction of all Russian labourers and workers, while Old Major stands in for Karl Marx, Snowball for Leon Trotsky, Napoleon for Josef Stalin, Squealer for propaganda, and Snowball for Leon Trotsky.
Napoleon supported the Revolution by establishing the lycée system of schools for universal education, constructing numerous universities, and enacting new civic laws that offered the French a great deal more freedom than they had under the Monarchy.
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explain the connection between variation in the number and types of molecules wihthin cells to the ability of the organism to survive and or reproduce in different environments
Molecules are the fundamental building blocks of life. Every living organism is composed of various types and amounts of molecules, and the number and types of molecules within cells are essential for the organism to survive and reproduce in different environments.
Molecules are composed of atoms, which are the smallest particles of matter that can interact with one another. The types of atoms that make up molecules can vary, as can the amount of each type of atom in a given molecule. For example, the molecule water is composed of two hydrogen atoms and one oxygen atom.
This basic molecular structure is essential for the survival of many organisms, as water is necessary for hydration and to transport nutrients through the body. Other molecules, such as proteins, carbohydrates, and lipids, are also essential for life. Each of these molecules is composed of different types and amounts of atoms, and the number and types of molecules present in the cells of an organism can vary depending on the environment the organism is in.
The ability of an organism to survive and reproduce in different environments is directly related to the number and types of molecules within its cells. For example, when organisms move from one environment to another, their cells may need to adapt by producing more of some molecules and less of others.
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What is the effect of crossing 2 purple flowered heterozygous parents on the resulting genotypes of the offspring?
If both purple flowered are heterozygous (Ww), there is a 75% chance that any one of their offspring will have a widow's peak.
Punnett square can be utilized to determine all genotypic combinations that exist in the parents. There are a few key differences in a pedigree which depict a common inherited trait. Given that there are only two alleles again for trait, the organism can express two distinct phenotypes. A Punnett square shows that two heterozygous organisms will produce a progeny with 75% of the dominant phenotype.
Half of the offspring will be heterozygous, while the other half would be homozygous. The genotype of an offspring is determined by the combination of genes inside the sex cells as well as gametes (sperm as well as ova) that came together during conception. Each parent contributed one sex cell. Sex cells normally have only one copy of each trait's gene.
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14. In guinea pigs, brown fur is dominant over white. Two guinea pigs mate and half of their offspring are brown and half are white. What are the genotypes of the parents?
15. The ability to taste PTC is dominant. If two heterozygous tasters have children, what percentage will be non-tasters?
16. In rabbits, brown is dominant over white. If two rabbits mate and have 30 brown offspring and 10 white offspring, what are the genotypes of the parents?
17. A red flower and a white flower produce pink offspring. What type of inheritance is this?
If two pink flowers cross-pollinate, what will be the phenotypic ratio of the offspring?
18. A white cow and a red cow produce roan offspring. What type of inheritance is this?
What two parents would make the highest percentage of roan offspring?
19. If offspring inherit an allele for curly hair, and an allele for straight hair, their hair is wavy. What type of inheritance is this?
If a woman with wavy hair mates with a man with straight hair, what percentage of their
offspring will have straight hair?
14. In guinea pigs, brown fur is dominant over white. Two guinea pigs mate and half of their offspring are brown and half are white. What are the genotypes of the parents? Bb and bb.
15. The ability to taste PTC is dominant. If two heterozygous tasters have children, what percentage will be non-tasters? There is a 25% chance of having children that are non-tasters.
16. In rabbits, brown is dominant over white. If two rabbits mate and have 30 brown offspring and 10 white offspring, what are the genotypes of the parents? To predict the results of the offspring from a cross between brown heterozygous rabbit and a white homozygous rabbit, a punnet square can be drawn as follows:
b b
B Bb Bb
b bb bb
The results from the punnet square show that there is 2:2 ratio that the offspring will be brown colored or white colored. The genotype of the rabbits will either be heterozygous brown i.e. Bb or homozygous white bb.
there is a 50% chance that the offspring will be brown rabbit and there is also a 50% chance that the offspring can be a white rabbit.
17. A red flower and a white flower produce pink offspring. What type of inheritance is this?
If two pink flowers cross-pollinate, what will be the phenotypic ratio of the offspring? All the offspring would be of pink color. Let R represents the allele for red color of flower
r represents the allele for white color of flower
Here R and r can occur co dominantly thereby producing pink color flower with genotype "Rr"
Now , it is given a cross is carried out between a red flowering plant "RR" and a white flowering plant "rr".
The cross between the two parents is represented as below-
R R
r Rr Rr
r Rr Rr
Thus, all the offspring would be of pink color
18. A white cow and a red cow produce roan offspring. What type of inheritance is this?
What two parents would make the highest percentage of roan offspring? When a white cow (CwCw) is mated with a red cow (CrCr), they produce a red and white, or roan cow (CwCr). When the white cow and the roan cow are mated, a half of offspring will be white and half-roan cow will be produced with ratio of 1:1.
19. If offspring inherit an allele for curly hair, and an allele for straight hair, their hair is wavy. What type of inheritance is this?
If a woman with wavy hair mates with a man with straight hair, what percentage of their
offspring will have straight hair? If one parent has curly hair and the other has straight hair, each offspring will inherit one of each allele from parents. All offspring will have wavy hair.
I hope this helped you and Merry Christmas!
What are the types of homeostasis?
There are three types of homeostatic regulation in the body, which are:
Thermoregulation. OsmoregulationChemical regulation.Thermoregulation :Thermoregulation is a mechanism by which mammals maintain body temperature with tightly controlled self-regulation independent of external temperatures. Temperature regulation is a type of homeostasis and a means of preserving a stable internal temperature in order to survive.
Osmoregulation :Osmoregulation is the process of maintaining salt and water balance (osmotic balance) across membranes within the body. The fluids inside and surrounding cells are composed of water, electrolytes, and nonelectrolytes. An electrolyte is a compound that dissociates into ions when dissolved in water
Chemical regulation: In chemical regulation, substances called hormones are produced by well-defined groups of cells and are either diffused or carried by the blood to other areas of the body where they act on target cells and influence meta bolism or induce synthesis of other substances.
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what is the best glassware for performing small chemical reactions?
Is meiosis always haploid?
No, meiosis is not always haploid. It produces haploid cells in organisms with sexual reproduction, but in asexual organisms, meiosis can produce diploid cells.
What is meiosis?
Meiosis is a type of cell division that produces four daughter cells from a single parent cell, each with half the number of chromosomes as the parent cell. It is a necessary process for sexual reproduction, as it creates the genetic diversity that allows for the development of new organisms.
What are haploid cell?
Haploid cells are cells that contain only one set of chromosomes, typically half the chromosomes of a normal diploid cell. In humans, the haploid number is 23, and the normal diploid number is 46. Haploid cells are important in reproduction, as they are the cells that contain the genetic information necessary to form a new organism.
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Which is the correct order of protein synthesis from transcription to translation?
The correct order of protein synthesis from transcription to translation is DNA > mRNA > chains of amino acids > protein.
Protein synthesis is a process within which the cells make proteins. It occurs in two stages recap and paraphrase. Recap is the transfer of heritable instructions in DNA to mRNA in the nexus. It includes three way induction, extension, and termination.
DNA is the information patch. It stores instructions for making other large motes, called proteins. These instructions are stored within the cells, and than distributed among chromosomes. These chromosomes are made up of thousands of shorter corridor of DNA, called genes.
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How can sweating be beneficial to an animal in a hot environment?
Answer:
Sweating helps animals cool because drying sweat cools the skin. Some canines—members of the dog family—sweat from their feet, but that is not a large enough surface area to cool the whole animal.Explanation:
What antibodies does a person with B blood type have ?
What is unique about clams?
The clam's unique characteristic is their lack of eyes, ears, and noses, which prevents them from seeing, hearing, or smell.
The clams are members of the Bivalvia class of Mollusca. The clam is a soft-bodied organism enclosed in roughly two inverted bowl shells. They generally reside on ocean floors. Clams have a strong digging foot and two equal-sized shells joined by two adductor muscles. They possessed gills for the gaseous exchange. The tentacles-like structure present around it help in capturing food and processing it. The external shell present over the clams is secreted by the mantle.
Hence, clams are complete organisms without diverse functions.
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A placenta is associated with a(n):
Answer:
A placenta is associated with pregnancy and childbirth. The placenta is an organ that develops in the uterus during pregnancy and provides nutrients and oxygen to the growing fetus. It is also responsible for removing waste products from the fetal bloodstream. The placenta is typically delivered from the mother's body along with the baby during the birthing process.
Read the passage to answer the question. Even though scorpions are related to spiders, there are many differences between the two organisms. One difference is that scorpion young do not hatch from eggs as spiders do. Scorpions are born live, two at a time, and they immediately crawl onto the mother's back for protection and care. They remain there for two weeks as they grow big enough to take care of themselves. Question Scorpion cells undergo aerobic respiration, just as human cells do. Which substance is released during a scorpion's aerobic respiration? Responses oxygen oxygen ATP uppercase A T P carbon dioxide carbon dioxide nitrogen
Answer:oxygen is used and ATP is made
Explanation:
Go online or look up phlogiston and ectoplasm. These are two substances that were once widely considered to be actual, but have not been observed for a long time. What happened to them? Are there "different kinds of truth"? Can something be true because it "feels true", even in the absence of evidence?
Ectoplasm is a strange, typically light-colored, viscous fluid that is supposed to emanate from a spiritualist medium's body when they are in a trance and can take the form of a face, a hand, or an entire body.
What are the phlogiston and ectoplasm?Phlogiston was a mythical fire force that permeated early chemistry theory and was a component of every flammable substance. According to this theory, phlogiston was released to cause the phenomenon of burning, which is now known as oxidation, and the dephlogisticated substance was left behind as an ash or residue.
Therefore, a fictitious substance that was once believed to exist in all flammable materials and to be emitted upon combustion.
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In Drosophila, the ratio of X chromosomes to autosomes directly influences _______. a. the ratio of sisterless protein subunits to deadpan protein subunits b. SXL late protein production c. RNA splicing patterns d. repression of sex-specific genes
In Drosophila, the ratio of X chromosomes to autosomes directly influences option a. the ratio of sisterless protein subunits to deadpan protein subunits.
Drosophila melanogaster, known colloquially as the fruit fly, remains one of the most generally used model organisms for biomedical wisdom. For further than one hundred times, the low cost, rapid-fire generation time, and excellent inheritable tools have made the cover necessary for introductory exploration.
Protein makes up the enzymes that power numerous chemical responses and the hemoglobin that carries oxygen in your blood. One of the deadpan-neural genes is impassive, which encodes a helix- circle- helix protein nearly related to the product of the segmentation gene hairy.
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Who is trying to save coral reefs?
Scientists are trying to save coral reefs.
The world’s coral reefs render a lot of service to the planet than providing the beauty underwater.
They buffer shorelines from the effects of hurricanes. An estimated 500 million people sustain their livelihoods from the fishing stocks and tourism opportunities reefs give. The animals that give rise to reefs are even offering hope for new drugs to manage cancer and other diseases.
But now, on World Oceans Day on June 8, scientists caution that these and other strategies may only get reefs time until world leaders implement climate change action.
Scientists around the world are looking for all kinds of ways to save and maybe even revive corals. One choice is to create marine protected areas—essentially national parks in the ocean. Scientists say creating marine refuges, where fishing, mining, and recreating are off-limits, makes the coral reefs healthier, and so more resilient.
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What is the main idea of the story rescuing our reefs?
The main idea of the rescuing our reefs is that the coral reef's vegetation and animals rely on one another to thrive.
Reef corals help maintain a healthy ocean food chain, defend our coastlines, and reef's vegetation as habitat for a wide variety of marine creatures.
Coral polyps build the enormous limestone structures known as coral reefs. Coral reefs, also known as the "rainforests of the sea," are home to about 25% of all marine species known to exist.
The undersea environment known as a coral reef is defined by the corals that construct reefs. Reefs are created by coral polyp colonies connected by calcium carbonate. Stony corals, whose polyps cluster, make up the majority of coral reefs.
Coral reefs support local economies, give recreational activities, and shield coasts from erosion and storm damage. They are a source of both fresh food and pharmaceuticals. Reefs are essential to the survival, way of life, and food security of more than 500 million people.
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What description best matches the function of stereocilia?
description most closely resembles how stereocilia perform. In hair cells, bending causes depolarization or hyperpolarization.
Depolarization is the process of bringing a cell's barrier potential to a higher positive value. Repolarization is the process through which the membrane potential shifts from a high to a net negative. The inner membrane has become less negative after depolarization. When voltage-gated sodium channels open, sodium ions ions rush into a neuron, causing depolarization. The potassium ion channels open and the na+ channels shut to cause repolarization. Depolarization is a positive change from the resting potential achieved by increased permeability to an ion with a Nernst potential above the RBP.
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pls answer as soon as possible
Among all the statements that are given in the question are true except the statement that the DNA lagging strand moves away from the helicase. The correct answer is statement number 5.
What are helicases ?These are the enzymes that bind and remodel nucleic acid and nucleic acid protein complexes.
DNA helicases are the enzymes that are playing a role in the separation of two strands and when the two strands are separated in that case the two strands are basically separating or disrupting the structure of the DNA helix.
To unwind duplex of DNA, DnaB helicase has a requirement a 5'-overhanging single strand of DNA where helicase is 5' to 3' in the helicase that is travelling along the lagging strand as it is unwinding duplex of DNA. Various helicase, which are said to be dimeric where it travels from 3' to 5' direction along the leading single strand.
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What taste good or bad to us is based purely on our biology?
We have culture, not just biology, to enable us to flourish in diverse environments. This results in a great deal of diversity.
Hence, the given statement is False.
Taste is one of the five traditional senses, along with hearing, sight, touch, and smell. Sweet, salty, sour, bitter, and umami or savory have traditionally been the five basic taste qualities.Culture is made up of two basic components: ideas and symbols on the one hand, and artifacts (material objects) on the other. The first type, known as nonmaterial culture, consists of a society's values, beliefs, symbols, and language.
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How many mutations can cause cystic fibrosis?
All people have two copies of the CFTR gene, and there must be mutations in both copies to cause CF. More than 1,700 mutations of the CFTR gene have been identified.
What are the functions of CFTR gene?The cystic fibrosis transmembrane conductance regulator (CFTR) protein helps to maintain the balance of salt and water on many surfaces in the body, such as the surface of the lung.
This mutation is caused by the deletion of three base pairs of the CFTR gene leading to the loss of an amino acid called phenylalanine, abbreviated F, in the CFTR protein.
In cystic fibrosis, a defect (mutation) in a gene — the cystic fibrosis transmembrane conductance regulator (CFTR) gene — changes a protein that regulates the movement of salt in and out of cells.
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Hello! Please help me!
I have a test tomorrow so this is urgent!!!
Question: Look at the data in the photograph.
At the end of the period of exercise, how much faster is the heart rate of the untrained person than the trained person?
Answer:
Explanation:
since the y axis (the heart rate) is counting by 4s the trained heart beat seems to be 64 bpm while the untrained is 80 bpm
to find out the difference you would subtract 64 from 80 to get 16 so the difference would be 16 b.m.p after 23 minutes
a common bird species in north america often lay 4 eggs at a time. clutches of more eggs tend to lead to malnourished offspring, while fewer eggs may result in no viable offspring at all. this is an example of what type of selection.
A bird species laying 4 eggs at a time is an example of stabilizing selection. This type of selection helps ensure that the fittest individuals are those with the most advantageous traits, which helps ensure the survival and evolution of the species in the long-term.
Stabilizing selection is a type of natural selection that favors the intermediate values of a trait, as opposed to the extreme values. In the case of a common bird species in North America, this means that laying 4 eggs at a time is the best option for the species, as any more or less may be detrimental to their offspring.
When a bird species lays too few or too many eggs, the offspring may not receive enough resources or may be overwhelmed with resources, respectively. This can lead to malnourished offspring, which are less likely to survive and reproduce. Therefore, the bird species has a selective advantage when it lays 4 eggs at a time, as it provides the optimal resources for their offspring to survive and reproduce.
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If a true-breeding line is allowed to self-fertilize for several generations, the resulting offspring will have ______.
If a true-breeding line is allowed to self-fertilize for several generations, the resulting offspring will have the same traits as the parents.
A true breeding plant is one that produces only offspring with the same characteristics after self-fertilization. Genetically similar and possessing the same genes for the desired qualities are true-breeding organisms. These types of creatures have homozygous alleles.
In other words, both parents have the same genetic makeup. When plants self-pollinate, genuine breeding takes place since only offspring of the same variety are produced.
True breeding organisms have identical alleles for each desired attribute and are genetically identical. These creatures have homozygous alleles.
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What will be the length of mercury column in a barometer tube when the atmospheric pressure is?
The length of mercury column in a barometer tube when the atmospheric pressure is 75 cm of mercury will be 86.6 cm.
An instrument known as a barometer is used to measure the air pressure in a specific environment. Weather changes in the short term can be predicted by pressure tendency. To identify surface troughs, pressure systems, and frontal borders, surface weather analysis use a variety of air pressure data. A mercury column whose height can be precisely measured is balanced by atmospheric pressure in a mercury barometer. Mercury barometers are frequently adjusted for the local gravity value and the surrounding temperature in order to boost their accuracy.
So, in question, for same pressure at that height, original height 76 cm is to be maintained by mercury.
L sin 60 = 76 cm
L = 76/ sin 60
L= 86.6 cm
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the insertion of the teres minor is on the __________.
Answer:
the insertion of the teres minor is on the abdomen.
Explanation:
It is located in the lower abdomen, near the navel.