How do meiosis I and II contribute to genetic variation?

Answers

Answer 1
The duplicated chromatids stay connected and joined during meiosis 1, each daughter cell only receive one chromosome from each homologous pair

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Escribe las partes de la célula:
Doy corona

Answers

Answer:

A. MEMBRANA PLASMATICA

B. NUCLEO

C. RETICULO ENDOPLASMATCO

D. APARATO DE GOLGI

E. LISOSOMA

F. MICROFILAMENTO

G. MITOCONDRIA

H. RIBOSOMA

I. CENTROSOMA

5. What natural phenomenon converts nitrogen into the form which organisms can use?

Answers

Answer:

the nitrogen cycle

Explanation:

in a species of mice, short hair is dominant to long hair. if a short-haired individual is crossed with a long-haired individual and both long- and short-haired offspring result, one can conclude that

Answers

Answer:

the long haired trait was the dominant trait and the short haired one was the recessive trait

Explanation:

in a species of mice, short hair is dominant to long hair. if a short-haired individual is crossed with a long-haired individual and both long- and short-haired offspring result, one can conclude that the long haired trait was the dominant trait and the short haired one was the recessive trait

13. Which muscle allows you to flex your big toe?

Answers

Answer:

Flexor hallucis longus

Explanation:

This muscle lies deep inside your leg. It runs down the lower leg all the way to the big toe. It helps you flex your big toe so that you can walk and hold yourself upright while on your tiptoes.

How do prions make more of themselves?

Answers

The problem begins when some of the prion proteins are misfolded into an infectious form, which causes misfolding in the native protein, increasing the amount of aggregates and causing more and more of the native form to misfold.

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What are silver carp strengths and weaknesses?

Answers

Silver carp are fish so they are weak to air and strong in water :)

4 difference between Filametous and colonial

Answers

The Differences are:

1. Colonial organisms appear as a sphere while Filametous organisms appear as a thread.

2. Colonial organisms is a group of individual organism with a close dependent relationship with other organisms while Filametous organisms form a filametous growth.

3. Colonial organisms form a spherical mass of cells while Filametous organisms form an array of cells with an end to end arrangement

4. Filametous organisms are either sessile or floating while Colonial organisms are generally sessile.

list the function done by living organisms

Answers

Answer:

Respiration,Growth,Nutrition ,Reproduction and Excretion

Explanation:

What is an argument in favor of using embryonic stem cells over adult stem cells?

A. Embryonic stem cells can differentiate into many more types of cells.

B. Embryonic stem cells are never really living.

C. Adult stem cells cannot be cultured.

D. Adult stem cells reproduce much faster than embryonic stem cells.

Answers

Answer:A

Explanation:

The ES cells is pluripotent, and the adult stem cell is unipotent.

The function of the mitotic cell cycle is to produce daughter cells that __________.
a. have the same number of chromosomes as the parent cell but not the same genetic content.
b. have the same number of chromatids as the parent cell had chromosomes.
c. have a random assortment of maternal and paternal chromosomes.
d. are genetically identical to the parent cell (assuming no mutation has occurred).
e. have none of the listed characteristics.

Answers

Answer:

The answer is D.are genetically identical to the parent cell (assuming no mutation has occurred).

Explanation:

The function of the mitotic cell cycle is to produce daughter cells that __________.

the division results in the generation of two daughter cells that are genetically identical to the parent cells and each daughter cell contains the same number of chromosomes and all cell content inherited from the parent cell.

State TWO reasons why enzymes are referred to as 'biological catalysts'.

Answers

Answer:

Like all other catalysts, enzymes are characterized by two fundamental properties. First, they increase the rate of chemical reactions without themselves being consumed or permanently altered by the reaction. Second, they increase reaction rates without altering the chemical equilibrium between reactants and products.

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Ellie loves to canoe out at Sebago Lake. One summer day she went out on the water and gave her dad a call
on her cell phone to let him know she was okay. Although she was comfortable out on the water, her dad,
back on land, was suffering tremendously from the heat. Explain why Janet felt cooler than her dad, even
though they were within a mile of each other.

Answers

Ok I M very confused

Which of the following would be the most likely reason some minorities may tend to underutilize therapeutic treatment? lack of transportation language barriers irregular work schedules lack of facilities in a rural location


the answer is language barriers took the test on edge 21

Answers

Answer:

B

Explanation:

Answer:

This is correct. It is B. language barriers

Explanation:

It's hard to get therapy if you don't speak the same language.

the amount of water in each body compartment mainly is controlled by

Answers

Answer: Ion Concentration

The ion concentration in water molecules controls the amount of water in a compartment

The concentration of ions in a body of water determines the rate of diffusion and osmosis that occurs in a body of water contained within a body compartment. which has a direct impact on the amount of water that is held in any water body compartment.

Hence we can conclude that the ion concentration in water molecules controls the amount of water in a compartment.

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Qué relación tiene cultivar y la diversidad por favor

Answers

Answer:

La diversidad se refiere a aquellos aspectos que son diferentes entre las personas, ya sea el género, la edad, el sexo, la ubicación o incluso el idioma.

Explanation:

Se trata de diferentes ideas, opiniones y puntos de vista. Cuando incorporas la diversidad en el lugar de trabajo, estás creando una mezcla poderosa.

the contractile organelle of skeletal muscle fibers is

Answers

Answer:

The myofibrils are the contractile organelles in the muscle fibers.

what will happen to a population of organisms that are in an environment with little to no oxygen? ​​​

Answers

Answer:

Hypoxia occurs when algae and other organisms die from lack of oxygen and available nutrients. Hypoxia events often follow algal blooms. The cyanobacteria, algae, and phytoplankton sink to the seafloor, and are decomposed by bacteria. This lack of oxygen creates dead zones in which most aquatic species cannot survive.

Explanation:

Hope this helps maybe...

_____ is the process by which energy is stored in inorganic molecules is used to produce carbohydrate food molecules

Answers

Answer:

Chemosynthesis

Chemosynthesis is used to produce food using the chemical energy stored in inorganic molecules.

that is the answer

Photosynthesis is the process by which energy stored in inorganic molecules is used to produce carbohydrate food molecules.

What is photosynthesis?

Photosynthesis is the primary process by which plants, algae, and some bacteria capture and store energy from the sun.

During photosynthesis, light energy is absorbed by pigment molecules in the chloroplasts of plant cells. This energy is then used to convert carbon dioxide (CO2) and water (H2O) into glucose (C6H12O6) and oxygen (O2). The glucose produced during photosynthesis is used by the plant as a source of energy and is also stored as a carbohydrate reserve. The oxygen produced during photosynthesis is released into the atmosphere as a byproduct.

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Why is the fatty acid of the lipids often reffered to as a hydrocarbon chain?

Answers

Answer:

The chain includes hydrogen and carbon.

Explanation:

They all have a central carbon atom with four components around it.

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Which type of soil makes it MOST
difficult for plants to thrive and
decompose organic material?

Answers

Explanation:

Poorly drained soils tend to have a high percentage of organic matter because low oxygen levels limit decomposition organisms.

How have rising ocean temperatures affected coral communities?

A. Corals become less photosynthetic as the surrounding temperature increases.

B. Corals find fewer food sources when algal blooms increase due to warmer waters.

C. Corals attract fewer algal species when they become warmer.

D.Corals become bleached as they expel algae with increased temperatures.

Answers

Answer: D.Corals become bleached as they expel algae with increased temperatures.

Explanation:

As ocean temperatures rise, it can stress coral polyps, that causes them to lose algae. As a result, there is "coral bleaching". It is called that because the algae gives coral its color. When all the algae is gone, the coral is white.

The bleaching of corals in the world, are due to the increase in sea temperatures, but to understand how this changes corals, we need to know that.....

Coral bleaching

Coral bleaching is a serious ecological problem mainly related to the increase in ocean water temperature. This problem can occur transiently or fatally, killing the coral. In the bleaching phenomenon, the corals become translucent, making it possible to verify the calcium carbonate skeleton of these animals. This happens because of the expulsion of zooxanthellae algae or because of the loss of pigment from these algae, which live in a mutualistic association with the coral.

Question answer

D.Corals become bleached as they expel algae with increased temperatures.

with this information, we came to the conclusion that with the increase in sea water temperature, algae that are associated with corals are expelled.

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The following are the results of a genotype being "foiled" for a dihybrid cross: BS, Bs, bS, bs.

Determine the parents' genotype
A. BbSS
B. BBss
C. BsSs
D. BBSS

Answers

Answer:

C.

Explanation:

What are latent prints?

Answers

Explanation:

Latent prints are formed when the body’s natural oils and sweat on the skin are deposited onto another surface. For example if you put your thumb on your glass you will see that the oils will put your fingerprint there

In an ecosystem, what form does carbon take after photosynthesis? What form does carbon take after cellular respiration?

Answers

Answer:

organic molecules and carbon dioxide

Explanation:

Photosynthesis by land plants, bacteria, and algae converts carbon dioxide or bicarbonate into organic molecules. Organic molecules made by photosynthesizers are passed through food chains, and cellular respiration converts the organic carbon back into carbon dioxide gas. Cellular respiration does not affect the carbon cycle but is part of the carbon cycle. The 2 carbon cycles. carbon ( C ) is taken up by the plants and trees in the form of carbon dioxide ( CO2 ).

what type of inheritance do two alleles have if their traits blend together?

Answers

Answer:

Explanation:

Codominance is when both dominant traits are expressed, therefore if white was considered dominant and red was also a dominant trait, the petals would have spots of white and red, with no pink. Polygenic inheritance is described by one characteristic influenced by multiple genes, which is not the case in this problem.

Describe the overall main parts of the immune system

Answers

The immune system is made up of special organs, cells and chemicals that fight infection (microbes). The main parts of the immune system are: white blood cells, antibodies, the complement system, the lymphatic system, the spleen, the thymus, and the bone marrow.

put this in your OWN words The pattern can shift back and forth irregularly every two to seven years and cause disruptions of temperature, precipitation, and winds.

Answers

Answer:

distruptions of temperature, precipitation and winds are caused by patterns that shift back and forth irreguraly every 2 - 7 years

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Where does the energy come from to power passive and active transport?​

Answers

Answer:

To move substances against a concentration or an electrochemical gradient, the cell must use energy. This energy is harvested from ATP that is generated through cellular metabolism. Active transport mechanisms, collectively called pumps or carrier proteins, work against electrochemical gradients.

Explanation:

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List two characteristics of Coelenterata and Nematoda each.​

Answers

Answer:

What are the two characteristics of Coelenterata?

Characteristics. All coelenterates are aquatic, mostly marine. The bodyform is radially symmetrical, diploblastic and does not have a coelom. The body has a single opening, the hypostome, surrounded by sensory tentacles equipped with either nematocysts or colloblasts to capture mostly planktonic prey.

What are the two characteristics of Nematoda?

Their body is bilaterally symmetrical and triploblastic. They are cylindrical in shape. They exhibit tissue level organization. Their body has a cavity or pseudocoelom.

Explanation:

the biceps brachii–radius arrangement represents a __________-class lever system.

Answers

Answer:

third

Explanation:

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