Please help!!! Needing an answer ASAP cause it's due in 30 mins!!! Please and thanks!!!:
how do mitosis and meiosis play a role in cat breeding? Explain.

The resistance that would produce a current of 350 amps with a potential difference of 2,500 volts is 7.1 Ω.  

Resistance may be defined as a type of opposition that a substance offers to the flow of electric current. In a more simple sense, it may be understood that anything which restricts the flow of electric current is known as resistance. It may be represented by R.

According to the question,

Current = 350 amperes.

Potential difference = 2500 volts.

Now, according to the formula of potential difference.

By modifying the above formula, we get,

                           = 2500 volts / 350 amperes = 7.1 volts/amperes.

Therefore, the resistance that would produce a current of 350 amps with a potential difference of 2,500 volts is 7.1 Ω.  

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Answer:

B. Exocytosis

Explanation:

Answer:

Natural selection

The best explanation for how a motor unit of a flagellum can stay in its correct location within a bacterial cell wall and membrane is through the use of protein anchors.

These protein anchors are embedded in the cell membrane and connect the motor unit to the cell wall, ensuring that it stays in place and can function properly.

The motor unit of a flagellum is a complex structure that allows the flagellum to rotate and propel the bacterial cell forward. This motor unit is composed of several proteins, including the rotor, stator, and other components. In order to stay in place within the bacterial cell wall and membrane, the motor unit is attached to protein anchors that are embedded in the cell membrane.

These anchors connect the motor unit to the cell wall, preventing it from moving or shifting out of place. As a result, the motor unit can stay in its correct location and function properly to allow the flagellum to rotate and propel the bacterial cell forward.

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Answer:

C

Explanation:

The skin is part of the immune system that serves as an outside protection for the body as well as being part of the integumentary system which consists of your skin, nails, hair, etc.

The short fibers that branch out from the cell body and receive incoming messages are called dendrites. Dendrites are the specialized extensions of the nerve cell that receive incoming signals from other neurons and they are often described as tree-like structures branching out from the cell body of the neuron.

Main function of dendrites is to receive electrical signals which is known as synaptic inputs or neurotransmitters, from neighboring neurons. These signals are transmitted across small gaps that are called synapses. Dendrites have numerous small protrusions that is called dendritic spines, which increase the surface area available for receiving signals.

Dendrites are the short fibers that branch out from the cell body and receive incoming messages. This is a long answer, as requested.

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Answer:

C. Offspring receive a mix of genes from two different parents.

Explanation:

Fungi play a much larger and significant role in the decomposition of terrestrial biomass compared to marine ecosystems due to their ability to degrade lignin and form humus.

Fungi are vital decomposers in various ecosystems, breaking down organic matter and recycling nutrients. In terrestrial ecosystems, such as forests and grasslands, fungi have a significant impact on the decomposition process. One of their key roles is the degradation of lignin, a complex and resistant compound found in the cell walls of plants. Lignin is particularly challenging to break down, and only a few organisms possess the enzymes necessary for its decomposition. Fungi, especially specialized lignin-degrading fungi like white-rot fungi, have the ability to break down lignin effectively.

By degrading lignin, fungi facilitate the breakdown of other components of plant biomass, such as cellulose and hemicellulose, making them more accessible for further decomposition by other microorganisms. The breakdown of these plant materials ultimately leads to the formation of humus, a stable organic matter that enriches the soil with nutrients.

In contrast, marine ecosystems have different organic compositions, with less lignin-rich materials compared to terrestrial environments. The presence of lignin is relatively scarce in marine plants, such as algae and seagrasses, which have different structural components. Therefore, fungi have a lesser role in the decomposition of organic matter in marine ecosystems compared to other decomposers like bacteria and marine invertebrates.

In summary, fungi's ability to degrade lignin and contribute to the formation of humus makes them crucial actors in the decomposition of terrestrial biomass. Their significant role in breaking down complex plant materials distinguishes them from their marine counterparts, where other organisms play more prominent roles in organic matter decomposition.

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Answer:

shorter and higher

Explanation:

UV  is further along in the EM spectrum so has a higher frequency and shorter wavelengths than visible light.

Answer:

Explanation:

1. condensation

2.precipitation

3.condensation

4.transpiration

5.surface runoff

6.evaporation

7.

Answer:

Human impact on the environment or anthropogenic impact on the environment includes changes to biophysical environments and to ecosystems, biodiversity, and natural resources caused directly or indirectly by humans, including global warming, environmental degradation (such as ocean acidification), mass extinction and etc...

Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

Answer:

Chimpanzees I believe

Explanation:

mRNA stability refers to the amount of elements known as cis-elements, which interacts with RNA binding proteins, whose functions are to inhibit or enhance mRNA decay. This means that the stability of mRNA guarantees a good regulation of gene expression and prevents the expression of defectuos genes, known in many diseases.

Based on the provided data, we can determine the most likely ecological roles of the organisms regarding their mode of nutrition (autotroph or heterotroph) as follows:

Organism V: Autotroph. It is multicellular, indicating a complex structure that can support photosynthetic processes.

Organism W: Heterotroph. It is multicellular and lacks chloroplasts, suggesting it does not possess the ability to perform photosynthesis.

Organism X: Autotroph. It lacks multicellularity but has chloroplasts, which are responsible for photosynthesis in autotrophs.

Organism Y: Heterotroph. It is multicellular, lacks chloroplasts, and does not possess cilia, suggesting it relies on external food sources.

Organism Z: Heterotroph. It lacks multicellularity, does not have chloroplasts, and has a cell wall. These characteristics indicate a heterotrophic nature.

Model F is the best model for prokaryotic cell

Description of the best model of a prokaryotic cell: Cell Membrane, Cytoplasm, DNA, Nucleoid, Ribosomes, Cell Wall, Flagella, Fimbriae.

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Answer:

All living organisms store genetic information using the same molecules — DNA and RNA. Written in the genetic code of these molecules is compelling evidence of the shared ancestry of all living things. ... Some mammalian genes have also been adopted by viruses and later passed onto other mammalian hosts.

Explanation:

A codon for certain amino acid is the same in every organism.

Answer:

diffusion / osmosis passive transport does not require an input of chemical energy.

Explanation:

Answer:

heredity goes to the first one

phenotype at the second one

Explanation:

Answer:

natural selection.

Explanation:

Darwin defined evolution as "descent with modification," the idea that species change over time, give rise to new species, and share a common ancestor. The mechanism that Darwin proposed for evolution is natural selection.

The form of RNA that includes the statistics for creating a protein is known as messenger RNA (mRNA) as it contains the statistics, or message, from the DNA out of the nucleus into the cytoplasm.

Each kind protein has a completely unique amino acid series and a particular characteristic withinside the cell. ribosomal RNA (rRNA) – a form of RNA that assists withinside the protein-making process. Three primary sorts of RNA are concerned in protein synthesis. They are messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA). rRNA bureaucracy ribosomes, which can be crucial in protein synthesis. A ribosome includes a big and small ribosomal subunit. Messenger RNA (mRNA) contains the genetic code from DNA in a shape that may be diagnosed to make proteins. The coding series of the mRNA determines the amino acid series withinside the protein produced.

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A temporal bone projection is the zygomatic process. Part of the zygomatic arch, it.

The lower end of the squamous region of the temporal bone is where the long, arching zygomatic process of the temporal bone projects from. zygomatic mechanism a protrusion that resembles a bridge and joins the zygomatic bone to create the zygomatic arch.

The tempo-mandibular joint is formed by the condylar process of the mandible, which is received in the mandibular fossa, which is situated on the inferior surface of the zygomatic bone process. The zygomatic arch is a bridge of bones that connects the temporal bone at the side of the head to the maxilla (upper jawbone) in front, with the zygomatic (cheek) bone making up a significant percentage of the structure.

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The chance of having a child with light skin and light hair would be zero in this case.

There is a 50% chance that you have medium skin and wavy hair, and a 25% chance that you have dark skin and curly hair.

If we treat race as a Mendelian trait that shows complete dominance, the woman who is homozygous dominant for dark skin and curly hair would have the genotype DDCC, and the man who is homozygous recessive for light skin and straight hair would have the genotype ddcc. The dominant alleles (D and C) would mask the expression of the recessive alleles (d and c), and all their offspring would be heterozygous for both traits, with the genotype DdCc and the phenotype of dark skin and curly hair.

Assuming that the gene for skin color and hair type shows incomplete dominance, the heterozygous offspring (DdCc) would have a phenotype that is a blend of the two homozygous phenotypes, with medium skin color and wavy hair. If the heterozygous offspring (DdCc) mate with each other, the offspring would have a 25% chance of having light skin and straight hair, a 50% chance of having medium skin color and wavy hair, and a 25% chance of having dark skin and curly hair.

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The question is:

Treat race as a Mendelian trait that shows COMPLETE dominance. If a woman who is homozygous dominant for dark skin and curly hair marries a man who is homozygous recessive for light skin and straight hair, what is the chance that they will have a child with light skin and light hair? How would this be different if we looked at this gene as INCOMPLETE dominance?

Triphasic combination pills provide varying amounts of estrogen and progestins throughout a woman's cycle, mimicking her normal menstrual cycle. The primary cause of this is to decrease the pill's side effects.

Triphasic pills have been shown to reduce the frequency of headaches, nervousness, and breast tenderness, improve acne, and have no effect on weight or blood pressure.

The system of activity of triphasic contraceptives depends on the physiological biorhythm in the arrangement, emission, and blood levels of estrogens and gestagens during the period. High estrogen levels and relatively low gestagens levels characterize the first phase, which lasts between five and seven tablets.

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Map distance from gene to centromere is 110bp.

Genetic map distance is roughly proportional to the physical distance, i.e. the amount of DNA between two loci. Gene map distance is the distance between two points on a chromosome that are counted by the number of crossovers between them.

For example, suppose we have in Arabidopsis species  is 1.0 cM this means that this species contains approximately 150,000bp and contains approximately 50 genes in the loci . Thus, Genetic map distance is a unit for measuring distance between genes on a chromosome according to the frequency of recombination between them.

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Answer: The proper form of scientific naming is c. genus species.

This is known as binomial nomenclature, and it is the system used for naming all living organisms. The genus is the first part of the name and is always capitalized, while the species is the second part of the name and is always lowercase.

For example, the scientific name for a human is Homo sapiens, with Homo being the genus and sapiens being the species. This system allows for accurate and consistent identification of organisms across different languages and regions.

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The mitochondria of the cells are involved in the conversion of pyruvate to ATP. Therefore, option  E is correct.

Mitochondria convert pyruvate to ATP through a process known as cellular respiration, which occurs in three stages: glycolysis, the citric acid cycle (also known as the Krebs cycle), and oxidative phosphorylation.

In the first stage, glycolysis, glucose is broken down into two molecules of pyruvate. This process occurs in the cytoplasm outside of the mitochondria and produces a small amount of ATP.

In the second stage, the acetyl-CoA enters the citric acid cycle, where it undergoes a series of chemical reactions that release energy in the form of electrons. These electrons are then transferred to the electron transport chain in the third stage, oxidative phosphorylation.

In the third stage, the electron transport chain uses the energy from the electrons to generate a proton gradient across the inner mitochondrial membrane. Thus, option E is correct.

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A) allow for experimentation and analysis of results before making a decision. These experiments should look for a large degree of similarity between what the scientist observed and/or calculated versus what the committees of scientists calculate.

If a new body of evidence were found that directly contradicted the cell theory, it is likely that groups of scientists would allow for experimentation and analysis of results before making a decision about whether to accept or reject the new evidence. This process typically involves conducting experiments to test the new evidence and comparing the results to what is already known about the cell theory. Scientists would look for a high degree of consistency between what they observe and calculate in their experiments and what is predicted by the existing theory. If the new evidence is found to be consistently supported by the experimental results, then it may be considered for inclusion in the theory. However, if the new evidence is not consistently supported by the experimental results, then it may be rejected as incompatible with the theory.

Answer:

A) allow for experimentation and analysis of results before making a decision. These experiments should look for a large degree of similarity between what the scientist observed and/or calculated versus what the committees of scientists calculate.

Explanation:

In science, it is important to carefully consider new evidence and to subject it to rigorous testing and evaluation. If a new body of evidence were found that directly contradicted the cell theory, scientists would first need to carefully examine the evidence and conduct experiments to verify its accuracy. If the evidence holds up under examination and is supported by multiple independent studies, then scientists may consider modifying or updating the cell theory to incorporate the new evidence. However, it is important to note that this process can take time and may involve multiple rounds of experimentation and debate within the scientific community before any changes are made to the theory.