which of the following pairs belong together? a. uracil cytosine b. adenine thymine c. purine pyrimidine d. cytosine guanine

The effective population size would be the number of successful males, which is three.

The effective population size refers to the number of individuals in a population that contribute genes to the next generation. In the given scenario, the lek mating system is being considered for an endangered species.

Out of the twelve males identified, only three of them are successful in gaining 100% of copulations from the ten visiting females. This means that these three males are the ones passing on their genes to the next generation.

Since the effective population size focuses on the individuals that contribute genes, we consider only the successful males in this case, which is three.

The remaining males who do not gain copulations do not contribute genetically to the next generation and are not part of the effective population.

Therefore, the effective population size is determined to be 3 in this scenario.

It is important to note that the effective population size is a critical factor in assessing genetic diversity, evolutionary potential, and the long-term viability of a population.

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Distributive shock is a term used to describe persistent hypotension despite adequate fluid resuscitation requiring vasopressors along with inadequate tissue perfusion resulting in tissue hypoxia. It is a type of shock that results from a sudden reduction in systemic vascular resistance, which causes the circulatory system to lose its ability to effectively distribute blood to various organs and tissues.

The reduction in vascular resistance may be caused by a number of factors, including sepsis, anaphylaxis, and neurogenic causes such as spinal cord injury. Distributive shock is typically characterized by hypotension, which is a blood pressure that is lower than normal. The hypotension is often accompanied by tachycardia, which is an abnormally high heart rate.

Other symptoms of distributive shock may include low urine output, changes in mental status, and cool, clammy skin. Treatment of distributive shock typically involves the administration of fluids and vasopressors to restore blood pressure and tissue perfusion. In severe cases, patients may require mechanical ventilation and other supportive therapies to maintain organ function. Overall, early recognition and intervention are critical for the successful management of distributive shock.

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Answer:

it’s called the anaerobic respiration

Explanation:

The anaerobic respiration is the answer. I think it’s this because, the anaerobic respiration is supposed to help organisms be able to live in environments where there isn’t any oxygen. This is why I think that aerobic respiration should be the answer.

Answer: B

Explanation:

Sex linked disorders are on the X chromosome and males have only 1

It is less common in females because they have 2 X chromosomes

Answer: B

Explanation: Men only have to inherit one copy of the disorder in order to have it since they’re XY and females are XX. With females, they could get another dominate trait to prevent them from having the disorder (they would then be a carrier) but with males there’s not any way to block it out.

DNA denaturation and protein denaturation are both processes that involve the unfolding and disruption of molecular structures. However, there are some key differences between the two.

This can be caused by a variety of factors, including changes in temperature, pH, and salt concentration. When the DNA strands are separated, the hydrogen bonds between the complementary bases are broken, allowing the DNA to be copied or used as a template for protein synthesis. Protein denaturation, on the other hand, refers to the unfolding of the protein structure, resulting in the loss of its biological activity.

This can also be caused by changes in temperature, pH, and salt concentration, as well as exposure to chemicals or other environmental stressors. When a protein is denatured, its tertiary and quaternary structures are disrupted, which can affect its ability to bind to other molecules or carry out its specific function.

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Physiological events such as sensory perception, neural processing, and motor response occur between presentation and the pressing of the hand switch.

When a stimulus is presented, sensory receptors in the body detect the stimulus and convert it into electrical signals. These signals are then transmitted to the brain through sensory pathways. In the brain, the signals are processed and interpreted, allowing for the perception and recognition of the stimulus. Once the stimulus is recognized, motor commands are generated in the brain and transmitted through motor pathways to the muscles responsible for hand movement. These commands initiate muscle contractions, leading to the pressing of the hand switch.

Overall, this sequence of physiological events involves sensory input, neural processing, and motor output, enabling the individual to perceive the stimulus and respond accordingly.

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Answer:

Root hair cells are adapted for taking up water and mineral ions by having a large surface area to increase the rate of absorption.

Explanation:

Root hair cells absorb water and minerals from the soil and get a supply of glucose from the phloem.

Phloem:

It is a vascular tissue that transports the nutrients such as sugar throughout the plant.

The sugar is produced in the leaf by the process of photosynthesis. This sugar is transferred to the phloem tissue. Then sugar is transported to the other part of plants such as stem and root.

Therefore, hair root cells get a constant supply of sugar from the leaves via the phloem.

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During pcr, the energy comes from the incoming nucleotides, that adds the nucleotide to the growing dna strand.

What are nucleotides?

An biological molecule known as a nucleotide has the fundamental building blocks of a nitrogenous base, pentose sugar, and phosphate.

As polynucleotides, DNA and RNA are composed of a chain of monomers with various nitrogenous bases. The execution of metabolic and physiological processes requires nucleotides.

Adenosine triphosphate, or ATP, serves as the energy standard for cells. Numerous metabolic activities require nucleotides, which combine to generate a variety of coenzymes and cofactors such coenzyme A, NAD, NADP, and others.

Therefore, the energy that adds the nucleotide to the growing Dna strand comes from the incoming nucleotides.

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Answer:

What is this supposed to be bottom text

Explanation: plz help

The effects can be encountered to other organisms when each organism is destroyed in a food chain that consists of green leaf, slug, shrew and fox.

Yes, effects likely to be encountered when each organism is destroyed in a food chain consists of green leaf, slug, shrew and fox because every organism in the ecosystem depends on the other organism for their survival.

So we can conclude that the effects can be encountered to other organisms when each organism is destroyed in a food chain that consists of green leaf, slug, shrew and fox.

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Animals and plants uses different modes of communications.

Visual communication in animals:

In animals visual communication can be potentially for mating. For example peacocks use their elaborate and vibrant tail feathers to visually communicate with potential mates.

Chemical communication in plants:

When attacked by herbivorous insects, some plants release volatile chemicals called herbivore-induced plant volatiles (HIPVs) to attract predators or parasites that feed on the insects.

Tactile communication in plants:

Plants like the sensitive plant or Mimosa pudica have specialized structures that respond to touch. When touched, their leaves fold or collapse as a defensive response.

Auditory communication in animals:

Birds use auditory communication extensively, with various species producing complex songs and calls. For example, Dolphins rely heavily on auditory communication, using a series of clicks.

Thus, many plants and animals uses modes of communication to interact with themselves and the environment.

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Answer:

things that have matter are living things and with matter are nonliving things

Answer:

Fusarium wilt of banana, popularly known as Panama disease, is a lethal fungal disease caused by the soil-borne fungus Fusarium oxysporum f. sp. cubense (Foc). ... The fungus enters the plant through the roots and colonizes the xylem vessels thereby blocking the flow of water and nutrients.

Explanation:

hope it helps:D

Panama disease is a fungal pathogen that was discovered on an Australian banana farm in 1876. The disease causes fusarium wilt in banana plants, eventually killing the crop.

Panama disease, also known as banana wilt, is a devastating banana disease caused by the soil-inhabiting fungus Fusarium oxysporum forma specialis cubense.

Panama disease is a type of fusarium wilt, that is found throughout the tropics and can be found wherever susceptible banana cultivars are grown.

Panama disease is a fungal pathogen that was discovered on an Australian banana farm in 1876. The disease causes fusarium wilt in banana plants, eventually killing the crop.

Thus, this is why Panama disease has such a negative effect on Gros bananas.

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The process you are referring to is called horizontal gene transfer.

It is a mechanism by which bacteria can exchange genetic material with other bacteria, allowing them to rapidly acquire new traits, such as antibiotic resistance or the ability to produce toxins. Transformation, transduction, and conjugation are the three primary processes that occur during horizontal gene transfer.

In transformation, bacteria take up DNA fragments from the environment. A virus uses transduction to move DNA from one bacteria to another. Two bacteria physically exchange genetic material during conjugation through a pilus. Horizontal gene transfer is an important factor in bacterial evolution and adaptation.

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Answer:

Explanation:

Diploid - Having pairs of chromosomes

Chromosome - A strand of DNA wrapped around a protein

Haploid - Having only one set of unique chromosomes

DNA - The molecule that carries genetic information

Sex Chromosome - An X or Y chromosome

Homologous Chromosome - A pair of chromosomes that contain information for the same traits

Answer: comets are snowballs and frozen gasses what meteorites are made rocks

Explanation:

Answer:

Proteins in the cell membrane include cell-surface markers, receptor proteins, enzymes, and transport proteins.

One is to transport nutrients into the cell and also to transport toxic substances out of the cell.

Explanation: I hope this helps

Answer:

Option A is the correct one.

Explanation:

A cell nucleus has divided by mitosis. ... During the cell cycle, compounds called cyclins increase and decrease in a regular pattern.

Answer:

A. A cell nucleus has divided by mitosis.

this is your answer

hope it is helpful to you

Answer:

-Vinegar

-Sugar water

-Soda pop in a sealed bottle

Explanation:

Answer:

A. vinegar

D. sugar water

F. soda pop in a sealed bottle

Explanation:

just did it on edge 2020

The lagging strand cannot be replicated continuously, and the need for ligase to join the fragments best explains why ligase is necessary for DNA replication. Here option D is the correct answer.

DNA replication is the process by which a cell duplicates its DNA prior to cell division. It involves the synthesis of two new strands of DNA, the leading strand, and the lagging strand. The leading strand is synthesized continuously in the 5' to 3' direction, whereas the lagging strand is synthesized in short fragments called Okazaki fragments.

The lagging strand is synthesized in the opposite direction of DNA unwinding, making it necessary to synthesize it discontinuously. As the replication fork progresses, short Okazaki fragments are synthesized in the 5' to 3' direction away from the replication fork. However, these fragments are not yet connected to form a continuous strand.

This is where ligase comes into play. Ligase is an enzyme that plays a crucial role in DNA replication by catalyzing the joining (ligation) of the Okazaki fragments on the lagging strand. It forms phosphodiester bonds between adjacent nucleotides, sealing the gaps between the fragments and creating a continuous, double-stranded DNA molecule.

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Complete question:

Which of the following best explains why ligase is required for DNA replication?

A - Ugase facilitates the binding of RNA polymerase to the promoter region.

B - Ligase enables the newly synthesized DNA to twist into a double helix

C - Ligase forms the hydrogen bonds between complementary bases in the two strands of DNA

D - The lagging strand cannot be replicated continuously, and ligase is needed to join the fragments

If the number of red blood cells decreases in the body, the kidneys secrete a hormone called erythropoietin (EPO) which stimulates the bone marrow to produce more red blood cells.

This hormone is produced and secreted by the kidneys in response to low oxygen levels in the body. When oxygen levels decrease, the kidneys release EPO, which then travels to the bone marrow, where it binds to receptors on the surface of the stem cells that produce red blood cells.

EPO stimulates the production and maturation of red blood cells, which increases the number of oxygen-carrying cells in the bloodstream. This increase in red blood cells leads to an increase in oxygen delivery to the tissues, which helps to improve oxygenation and energy levels in the body.

EPO production is regulated by a negative feedback mechanism, meaning that when oxygen levels in the blood increase, EPO production decreases. This prevents the production of too many red blood cells, which can lead to a condition called polycythemia.

In summary, if the number of red blood cells decreases, the kidneys secrete erythropoietin, which stimulates the bone marrow to produce more red blood cells. This process helps to maintain adequate oxygen levels in the body and prevent the development of anemia.

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Aerobic respiration is when sugars are converted to ATP when oxygen is present, and aerobic respiration is performed in the cytoplasm and mitochondria.

Anaerobic respiration is when sugars are converted to ATP when no oxygen is present, and anaerobic respiration is only performed in the cytoplasm.

Answer:

Hope it helps!~ (Sorry if you get it wrong or I got it wrong-)

Explanation:

For example, plasma membrane proteins carry out functions as diverse as ferrying nutrients across the plasma membrane, receiving chemical signals from outside the cell, translating chemical signals into intracellular action, and sometimes anchoring the cell in a particular location (Figure 4).

~The Confuzzeled homan

Answer:

to store large masses of water for survival since they live in areas of little water.

Answer: C

Explanation: Every sensory receptor is connected to the brain in return the brain sends signals to specific motor neurons to perform specific functions. Hence C is the right option.

Answer:

d. The beaches on which turtles currently lay their eggs may go underwater.

Explanation:

According to the graph, the beaches on which turtles currently lay their eggs may go underwater due to increase sea level with the passage of time. In the graph, we can see that sea level increases from 1880 to 2014 and the main reason for this increase is the climate change. Due to global warming the water present on the glacier starts melting and thus increase in sea level occurs so the beaches on which turtles currently lay their eggs may go underwater.

Answer:

lose more heat to the environment in cold environments

Explanation:

This is because as an animal have large surface area, it is exposed largely and prone to loss of heat. The larger the size of an animal, the larger the surface area and volume. It's surface area expose the tendency for the animal to sweat alot , through sweating heat is loss to the environment. In cold environment, the animal try to maintain internal homeostasis and through this heat is generated and loss to the environment.

Seedless vascular plants are able to grow larger than bryophytes due to their ability to transport water and nutrients more efficiently through their vascular tissues.

Vascular plants have specialized structures called xylem and phloem, which allow for the efficient transport of water and nutrients throughout the plant. This allows for larger, more complex structures to be supported, such as the tall ferns and horsetails commonly seen in wetland habitats. In contrast, bryophytes lack vascular tissues and must rely on diffusion to transport water and nutrients from cell to cell.

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