Which of the following things result from symbiotic relationships between bacteria and eukaryotes? (Select all correct choices.)
a. vitamin production in the human gut
b. cellulose breakdown in the cow gut
c. amino acid synthesis in aphids
d. all of the above

Finding the corresponding human illness genes using rat disease gene identification is helpful, but it also aids in understanding the mechanisms causing pathological defects.

Genetic drift is the term used to describe the haphazard changes in gene variant frequencies within a population. Genetic drift occurs when the frequency of different alleles, or variable forms of a gene, fluctuates over time through chance. Changes in allele frequencies are used to measure these differences in allele presence.

In the future, Sewall Wright, a pioneer in population genetics, invented the phrase "genetic drift" and the corrected mathematical treatment.

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When an increase in carbon dioxide (CO2) occurs in the blood, it leads to an increase in the acidity of the blood. This is because when CO2 levels in the blood rise, carbonic acid levels also rise, causing a decrease in blood pH. In response, the body will try to eliminate the excess CO2 by increasing respiration.

When an increase in carbon dioxide (CO2) occurs in the blood, it leads to an increase in the acidity of the blood. This is because when CO2 levels in the blood rise, carbonic acid levels also rise, causing a decrease in blood pH. In response, the body will try to eliminate the excess CO2 by increasing respiration. The increase in respiration leads to the elimination of carbon dioxide from the body via exhalation. This process restores blood pH to its normal level.
The kidneys also play a role in regulating blood pH. They excrete excess hydrogen ions (H+) into the urine to maintain the balance of acids and bases in the blood. When blood pH falls, the kidneys excrete more H+ into the urine, causing urine to become more acidic.

Conversely, when blood pH rises, the kidneys excrete fewer H+ into the urine, causing urine to become more alkaline. Therefore, an increase in CO2 levels in the blood will lead to an increase in acidity, causing the kidneys to excrete more H+ into the urine, which will decrease the urine pH.

This is because the excess CO2 in the blood leads to an increase in the production of carbonic acid, which dissociates into bicarbonate ions (HCO3-) and H+ ions. The H+ ions are then excreted by the kidneys into the urine, causing a decrease in urine pH. Hence, an increase in CO2 levels in the blood will cause a decrease in urine pH. This mechanism helps to maintain the body's acid-base balance.

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Answer:

I think it's sedimentary rock

Competition is the interaction of individuals that for a common resource that is in limited supply, but more generally can be defined as the direct or indirect interaction of organisms that leads to a change in fitness when the organisms share the same resource.

There are two major forms of competition. Two of them are interference competition and exploitation competition are categorized as real competition. Interference competition occurs directly between individuals, while exploitation competition and apparent competition occur indirectly between individuals.

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Answer:

not enough info

Explanation:

is there more info on this question?

Answer:

The empty plastic bottle floated on water. The bottle filled with water sank because the weight of empty plastic bottle is less than the weight of water displaced it but when the bottle is filled with water its weight becomes more than the weight of water displaced by it.

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Answer:

There are 20 amino acids that make up proteins and all have the same basic structure, differing only in the R-group or side chain they have. The simplest, and smallest, amino acid is glycine for which the R-group is a hydrogen (H).

Though the necessary food web image is missing, I believe you are referring to the image in which the large fish make up the third level of consumers. Therefore:

In order to achieve a population of 11kg of large fish, we would need much more than 11kg of phytoplankton biomass. This is due to one of the laws of thermodynamics.

These laws are;

The second law of thermodynamics describes the loss of energy between each trophic level, and can be applied to food webs. On average, roughly 10% is lost between transfers of energy in a food web. In this food web, Large fish make up the 3rd level, meaning that there are three transfers of energy needed to reach the large fish.

This means that in order to achieve 11kg of large fish, we need to account for three 10% losses of energy. We will need 15kg of phytoplankton to begin with, which after all 3 losses of energy of 10% each will result in a biomass of 11kg in large fish.

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Answer:

2 is DNA or RNA.1 is infectious.12 is HIV.13 is AIDS.7 is reproduction.8 is viruses.thats all I have

Answer:

A = LIGMENT OF OVARY or fallopian tube??

B = OVARY

C = UTERUS

D = VAGINA

Explanation:

Answer:

A: FALLOPIAN TUBE

B: OVARY

C: UTERUS

D: VAGINA

Explanation:

Answer:

F

Explanation:

Some people have labeled the LHC a failure because even though it confirmed the Standard Model's vision for how particles get their masses, it did not offer any concrete hint of any further new particles besides the Higgs.

Answer:

rr

not enogh

Explanation:

Answer:

RR and rr

Explanation:

H0m0zygous will give that it's either RR or rr, it's red, the dominate trait, showing it's RR.

Grey is a recessive trait, meaning it can only show if it's h0m0zygous recessive, rr

The protein with the linear chain sequence ser-his-thr-tyr represents the primary structure of the protein.

Proteins are the biomolecules that are made up of amino acids as the monomers. Proteins are the most essential biomolecules as they are involved in all the processes of the living organisms. They have structural, enzymatic and various other roles.

The proteins is made up of four levels of structures: primary, secondary, tertiary and quaternary. Primary structure is the one where the proteins exists as a linear chain of amino acids linked together by peptide bond. The primary structure is most essential as it decides the fate of further structures and also the function of the protein.

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Answer:

Gametes

I hope you the best!

It depends on what organisms will be taken care of. We can discuss what things matter first. It would be water, food, oxygen, and maybe some organisms need a little bit of sunlight. So, other than that would be an unimportant matter when we keep an organism.

For example, if we want to take care of a rat (Rattus novergicus). We need to prepare the small cage, we need to divide female and male rats into different cages, give them food according to their nutrient needs, and know how to make cages so that rats will raise healthy.

Raising an organism may be simple, but it is not easy. It needs persistence and responsibility. I’m sure we can do that by doing preparations.

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The population of black peppered moths increased in the late 1800s due to the phenomenon known as industrial melanism.

The darkening of the environment caused by industrial pollution provided a selective advantage to the darker variety of moths, making them less visible to predators and increasing their chances of survival. This led to an increase in the frequency of the gene responsible for the darker coloration in the moth population.

Therefore, the factor that allowed the population of black peppered moths to increase in the late 1800s was the adaptation of the moths to the changing environment through natural selection.

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Interglacial periods are cold periods where ice worldwide advances. The given statement is false because interglacial periods are actually characterized by warmer temperatures and the retreat of ice worldwide.

Interglacial periods occur between glacial periods within an ice age, and they are characterized by higher temperatures and the melting of ice sheets and glaciers. This results in a rise in sea levels and an overall change in climate and vegetation patterns. The Earth's climate naturally fluctuates between colder glacial periods, or "ice ages," and warmer interglacial periods. These changes are primarily driven by variations in the Earth's orbit around the sun, which affects the amount of solar radiation the planet receives.

During glacial periods, lower temperatures cause the accumulation of ice at the poles and in higher latitudes. In contrast, interglacial periods bring warmer temperatures, leading to the melting of this ice and a corresponding change in global climate. In summary, the statement that "interglacial periods are cold periods where ice worldwide advances" is false because interglacial periods are actually characterized by warmer temperatures and the retreat of ice worldwide.

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Answer:  Stem cells produce their exact copies by the process of cloning. It is defined as the deliberate production of genetically identical individuals.

Explanation: Stem cells has the ability to continuously divide to generate exact copies of themselves by a process called self renewal. and has the ability to change into specialized cells in a process called differentiation.

Clones contain identical set of genetic material in the nucleus, compartment that contains the chromosomes of every cell in their bodies.The cells from two clones has same DNA and same genes in their nuclei.

All multicellular plants and animals rely on the stem cells to grow from a single cell into an adult. Stem cells allows our body to build new tissues such as new muscle when we exercise.

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Population growth, requires two core assumptions: birth and death rate, which will acount for population growth and decrease, respectively. As medicine develops, it is expected that there will be more succesful births, and that death rate will decrease. Regarding death rate, lifespan predictions are important factors that are required for population growth. Lifespan predictions might vary between countries, since income and country development are important issues influencing population lifespan.

Answer:

50% hairy and love sinks

50% hairless and hate sinks

Answer:

A: saturated fatty acid

B: trans monounsaturated fatty acid

C: cis polyunsaturated fatty acid

Answer:

wdfsffffffffffffffffffffffffffff

Explanation:

Answer: D

Explanation:

Quantitative type of result the student calculate in this experiment.

Quantitative research is based on the collection and interpretation of numeric data. It focuses on measuring (using inferential statistics) and generalizing results.

The student have no hypothetical formula to calculate the actual strength of the web of both spider, so he always use to get quantitative type of result in his results.Hence option D is correct.

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Answer:

With a codominant trait, phenotypes like fur color are combined. For example, if a black-feathered chicken breeds with a white-feathered chicken, their offspring will be both black and white. They will not be gray; rather, there will be spots of both colors. Codominance means that neither allele can mask the expression of the other allele. An example in humans would be the ABO blood group, where alleles A and alleles B are both expressed. So if an individual inherits allele A from their mother and allele B from their father, they have blood type AB.

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-Dream

The body maintains stable blood glucose levels through a complex hormonal control mechanism involving two hormones, insulin, and glucagon, in response to changes in blood glucose levels.

When blood glucose levels are high, insulin is released to stimulate the uptake of glucose by muscle and liver cells, which decreases blood glucose levels. When blood glucose levels are low, glucagon is released to stimulate the liver to convert stored glycogen into glucose and release it into the bloodstream, increasing blood glucose levels.

Additionally, hormones such as epinephrine and cortisol are also involved in regulating blood glucose levels by increasing glucose production in the liver during periods of stress or fasting.

The liver plays a critical role in regulating blood glucose levels through the processes of glycogenesis, glycogenolysis, and gluconeogenesis.

Glycogenesis involves the synthesis of glycogen from glucose, while glycogenolysis involves the breakdown of glycogen into glucose.

Gluconeogenesis is the synthesis of glucose from non-carbohydrate sources such as amino acids or fatty acids.

Overall, the mechanisms of hormonal control work together to maintain stable blood glucose levels in the body, ensuring that cells have a constant supply of energy while preventing excessive or inadequate levels of glucose in the bloodstream.

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Answer:

Genotype ratio 1:1, there are two types of genotype BB and Bb in equal ratio.

Phenotype ratio 1:0, because all offspring have allele B. “B” is dominant and there is no bb genotype, so recessive trait will not be shown.

Explanation:

Answer:

I don't know about the ration but it's going to be 25% chance for them to have an offspring with blue eyes as there is a presence of a dominant allele

Answer:carpels

In flowering plants, the female reproductive structures that produce seeds are contained within the carpels of the flower. A carpal consists of the stigma, style and ovary. The ovary contains ovules (eggs) that become seeds once they are fertilized.

Explanation:

The following types of microscopy are known for their ability to support the creation of three-dimensional images are C. Confocal microscopy and D. Scanning electron microscopy

The reason why these types of microscopy are known for their ability to support the creation of three-dimensional images is because of the way they capture images. Confocal microscopy is a light-based microscopy technique that provides three-dimensional images of thick specimens by eliminating out-of-focus light from the specimen. Confocal microscopy is capable of achieving high spatial resolution and has been used in a variety of scientific and medical research applications, including studies of cell biology, neuroscience, and tissue engineering.

Scanning electron microscopy is an imaging technique that uses a focused beam of electrons to produce images of the surface of a sample. In scanning electron microscopy, the electron beam is scanned across the surface of the sample, and the electrons that are scattered from the surface are detected and used to create an image. Scanning electron microscopy is capable of providing high-resolution images of the surface of a sample and is commonly used in materials science, biology, and other fields of research. So therefore the correct answer is C. Confocal microscopy and D. Scanning electron microscopy are the types of microscopy known for their ability to support the creation of three-dimensional images.

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Plants employ the process of photosynthesis to transform water and carbon dioxide into carbohydrates and oxygen.

Light energy is absorbed by the plant during photosynthesis and transformed into chemical energy. The oxygen is released into the environment, while the water and carbon dioxide are disintegrated into their component elements.

In the plant, the sugars are kept for future use. It is possible to write the photosynthesis equation as follows:

Light energy + water + carbon dioxide →  sugars + oxygen.

Light energy → chemical energy can be used to describe the energy transformation equation.

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