Parte de la variabilidad genética que aporta la meiosis se produce en la

Answers

Answer 1

Answer:

Se produce durante la profase 1 de la meiosis, y en ella se da un entrecruzamiento entre una de las dos cromátidas de los cromosomas homólogos, por lo que las cromátidas resultantes son diferentes entre sí y de las originales.

Explanation:


Related Questions

Water evaporates from a lake. Arrange the next steps of the water cycle in the correct order.
Water vapor condenses to form clouds.
Water flows down mountains and hills.
Water falls as rain, snow, and sleet.
Water joins streams or forms
groundwater

Answers

Answer:

1. Water evaporates from a lake

2. Water vapor condenses to form clouds

3. water falls as rain, snow, and sleet.

4. water flows down mountain and hills

5. water joins streams or forms ground water

Repeating cycle

Severe combined immunodeficiency (SCID): Group of answer choices is a result of the absence of macrophages or B cells. affects only part of the adaptive immune response. can be caused by failure of TAP transporters. is caused by the lack of T cell and B cell maturation/differentiation.

Answers

Answer:

is a result of the absence of macrophages or B cells.

Explanation:

Severe combined immunodeficiency (SCID) results due to the absence of macrophages or B cells that is responsible for the immunity of  our body. Severe combined immunodeficiency (SCID) is an inherited immunodeficiency disease (PIDD) that presents in infancy results  in a weak immune system that is unable to fight against even mild infections so due the absence of macrophages or B cells, the body is vulnerable to diseases.

Why do you think it is functionally important that the bones of the os coxae fuse together rather than remain independent bones

Answers

Answer:

Provides more strength.

Explanation:

It is functionally important that the bones of the os coxae fuse together rather than remain independent bones because the fusion of bones of the os coxae increases their strength and they can perform their function very well. If the fusion of bones of the os coxae did not occur and they remain independently so they can't bear the load of the body and so the function is also adversely affected.

Use the drop-down menus to complete each sentence. occurs when the immune system attacks the body. is often caused by obesity resulting from overeating and poor nutrition. is caused by DNA changes in a single gene and affects the nerve cells in the brain. is caused by uncontrolled cell growth. occurs when the pancreas does not produce enough insulin, or the body does not respond properly to it.

Answers

Answer:

The correct answer is -

1. Lupus

2 Cardiovascular disease

3. Huntingtons disease

4. Cancer

5. Diabetes

Explanation:

Lupus is one of the autoimmune diseases that takes place when our bodywork against ourself and harm cells and skin. When an individual has poor or bad nutrition and generally experiences obesity this cardiovascular disease occurs.

Huntington's disease takes place due to changes in DNA in the brain and affects neurons of the brain. Cancer is uncontrollable cell growth that can be lethal. If an individual is not able to produce enough amount of insulin, that lowers the glucose from the blood, will lead to cell diabetes condition

The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the

Answers

[tex] {\bold{\red{\huge{\mathbb{QUESTION}}}}} [/tex]

The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the

[tex] \huge\mathbb{\red A \pink{N}\purple{S} \blue{W} \orange{ER}}[/tex]

The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the Peritubular Capillary network

This network is formed by the Efferent artiole to absorb the non waste martial which is flown out in the ultrafiltration of Glomerular capsule .

All of the following are examples of geological features EXCEPT
ridges
valleys
bridges
waterfalls

Answers

The correct answer is bridges.

Answer:   The correct answer is bridges

Explanation:  Confirmed correct

Please help
Please answer correctly​

Answers

Answer:

1 a

2 b

3 c

Explanation:

In addition to highly repeated DNA sequences and unique (single-copy) DNA sequences, a third class of DNA exists. What is it called, and what types of elements are involved in it

Answers

Answer:

long-read sequencing

Explanation:

a method of dna sequencing under active development

What is Science ???.........​

Answers

Answer↷

Science, any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. In general, a science involves a pursuit of knowledge covering general truths or the operations of fundamental laws.

➦I hope it seemed helpful to you!

Answer:

uhffgnvcvnmt 6rvrcgrv5rcr5crcrcdc5r5c5d d 5d td td d d d td td d td td td

Given their size and complexity, biological molecules such as carbohydrates, proteins, lipids, and nucleic acids can also be referred to as ____________.

Answers

Answer:

This question lacks options, the options are;

A. Enlarged molecules

B. Macromolecules

C. Inorganic molecules

The answer is B

Explanation:

As mentioned in this question, carbohydrates, proteins, lipids, and nucleic acids are the basic biomolecules found in nature. They are all polymeric substances, hence, are made up of smaller units called monomers.

Asides from being biomolecules, these four molecules are also referred to as MACROMOLECULES based on their large size and complex nature. Macromolecules are molecules that are relatively large in size composing of an aggregate of monomer. Hence, these biomolecules are macromolecules.

The last common ancestor of all animals was probably a(n) The last common ancestor of all animals was probably a(n) algae. chytrid. yeast. protist. fungus.

Answers

Answer:

The correct answer is - protist.

Explanation:

Protist is a single-celled eukaryote that contains organelles. It is the last common ancestor of all animals as is consider as most primitive animal cells as it has no cell wall but contains the nucleus and other double-membrane organelles. The protists are the cell that distinguishes fungus, plant cells, and animal cells into these three different kingdoms.

Thus, the correct answer is - protist.

In the dihybrid cross,
of the parents had black fur and black eyes.
The offspring
.

Answers

Answer: The offspring can have both 100% black fur and eyes or it can vary

In the dihybrid cross,  

both

of the parents had black fur and black eyes.

The offspring  

varied.

-

The predicted values for the four phenotypes form a  

9:3:3:1

ratio. The simulated values  

approximately

match this predicted ratio.

On Edge.

After nervous stimulation stops, calcium ions returning to the sarcoplasmic reticulum prevent ACh in the synaptic cleft from continuing to stimulate contraction True False

Answers

Answer:

False.

Explanation:  

Neurotransmitter release occurs from the nervous terminal or varicosities in the neuronal axon. When an action potential reaches the nervous terminal, the neurotransmitter is released by exocytose. The molecule binds to its receptor in the postsynaptic neuron, triggering an answer. As long as the signal molecule is in the synaptic space, it keeps linking to its receptor and causing a postsynaptic response. To stop this process the neurotransmitter must be taken out from the synaptic space. There are two mechanisms by which the neurotransmitter can be eliminated:

Enzymatic degradation/deactivation: There are specific enzymes in the synaptic space, which are in charge of inactivating the neurotransmitter by breaking or degrading it. The enzyme acetylcholinesterase prevents ACh from continuing to stimulate contraction.

Reuptake: Receptors located in the presynaptic membrane can capture de molecule to store it back in new vesicles for posterior use. These transporters are active transport proteins that easily recognize the neurotransmitter.  

what lead to the growth of most sea weeds in lakes . please help​

Answers

Answer:

The more turbid the water, the warmer the water will be, allowing algae to grow quickly. As algae forms, the water becomes increasingly turbid, which fosters an even stronger environment for algal blooms to thrive.

Answer:

carbon and organic substance

Explanation:

when animals are dead under the sea /or when some other substance under go the process of decomposition they produce carbon and some nutrients hence support plants growth

a. A breakdown of U.S. household garbage reveals the largest amount percentage-wise is paper and paperboard. b. In U.S. households most of the water usage is in the bathroom. c. The founder of the modern environmental movement and author of Silent Spring is Rachel Carson d. Deciduous trees such as most pines do not lose their leaves/foliage in winter.

Answers

Answer:

c. The founder of the modern environmental movement and author of Silent Spring is Rachel Carson

d. Deciduous trees such as most pines do not lose their leaves/foliage in winter.

Explanation:

Yes, Rachel Carson is the founder of the modern environmental movement as well as author of Silent Spring. She was an American marine biologist, author, and conservationist which started the modern environmental movement in order to save the environment form pollution. Yes, the Deciduous trees such as most pines do not lose their leaves/foliage in winter, they only lose those leaves that are too old. They are considered as evergreen plants.

Which statement accurately describes the relationship between weight and
mass?

Answers

Answer: An object with twice the mass of another object will weigh twice as much is the statement accurately describes the relationship between mass and weight.

Hope it helps you if not sorry

Explanation: A.Mass is an objects weight multiplied by the amount of gravitational force acting upon the object

The theory of natural selection states that

Answers

Answer:

Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success. This process causes species to change and diverge over time.

Explanation:

How did Newton map the orbits of the planets?

Answers

Answer:

Newton developed a mathematical formulation of gravity that explained both the motion of a falling apple and that of the planets. He showed that the gravitational force between any two objects is proportional to the product of their masses and inversely proportional to the square of the distance between them

Explanation:

what is a tropic level? give an example

Answers

Answer:

Trophic Level Definition. A trophic level is the group of organisms within an ecosystem which occupy the same level in a food chain.

Examples of Trophic Level. Primary producers, or ”autotrophs”, are organisms that produce biomass from inorganic compounds

Explanation:

The volume of a right circular cylinder can be approximated as follows: Volume = ?r2h; where r is the radius of the cylinder and h is the height of the cylinder; ? is a constant that is roughly equal to 3. Using the simple approximation above, calculate the volume of a right circular cylinder with a radius of 2 meters and a height of 9 meters

Answers

Answer:

42m3

Explanation:

Select the correct locations on the image.
in which four locations do hurricanes occur?


Answers

Answer:

Explanation:

Hope that helps                                      

Which of the following does NOT cause weathering?
A. Plants
B. Water
C. Helium
D. Temperature change

Answers

Answer:C

Explanation:

What is the name of the strategy that combines two plant proteins (grains and beans) to get all the essential amino acids

Answers

Answer:

Protein combining

Explanation:

The strategy involving the combination of two plant proteins to get all the essential amino acids is referred to as protein combining.

The practice of protein combining is common among vegans due to the general belief that a single plant-based protein does not contain all the necessary amino acids for the body. Thus, one would need to combine 2 plant-based proteins in order to get all the essential amino acids for adequate health.

Which method of waste treatment is LEAST harmful to the environment?​

Answers

Answer:

c

Explanation:

because burning burying and landfill are all harmful

refer the picture for question please

Answers

Answer: P= Nucleus Q= Mitochondria R= Golgi Bodies hope its help you keep smiling be happy stay safe

Based on the Punnett square, what is the phenotype of the offspring? Hh HH tall short Mark this and return

Answers

Answer:

tall

Explanation:

I took the test

Forms of inheritance that do not follow typical Mendelian patterns and that appear to be more influenced by the parent contributing the most cytoplasm to the embryo are grouped under the general heading of ________.

Answers

Answer:

Extrachromosomal or cytoplasmic inheritance

Explanation:

Extrachromosomal or cytoplasmic inheritance refers to hereditability transmission controlled by cytoplasmic genes.

This form of inheritance lays in genes that are out of the nucleus. Information for some characters is placed in organelles in the cytoplasm, such as mitochondria and chloroplasts. These organelles have a well-defined portion of the total cellular genome.

Although mitochondrial inheritance is mostly maternal, recent studies have demonstrated that it might also be paternal.

Sperm cells hardly carry mitochondria, so mitochondrial DNI is mostly inherited from the maternal side. If there exists any mutation in this DNI, the whole progeny of the mutated woman will be affected, as they will get the mother´s mitochondria carrying the mutation. On the contrary, if there is a man affected by a disease caused by a mutation in mitochondrial DNI, non of their descendants will get the disease.

what do you think the most important property of life is and why

Answers

Answer:

i think discovery

because people are curious

and curiosity is an important reason to live

no one wants to live in vain

Greetings from Turkey

Explanation:

GOOD LUCK ツ

Answer:

Water

Water is life. Without water, we would be dehydrated and our body would not perform well.

Which of the following factors affecting population growth is density
independent?
A. Competition
B. Disease
C. Natural disaster
D. Predation

Answers

Hope this helps :)))

C. Natural disaster is a density-independent factor affecting population growth. Density-independent factors are those that affect the population irrespective of the population size or density.

How Natural disasters reduce population sizes?

Natural disasters such as floods, hurricanes, earthquakes, and wildfires can reduce population sizes regardless of how many individuals were present in the population before the disaster occurred. The other factors listed - competition, disease, and predation - are all density-dependent factors, which means that they become more significant as the population size or density increases.

Competition is an example of a density-dependent factor, as it increases as the population size increases. As more individuals compete for limited resources such as food, water, and shelter, the rate of population growth slows down.

Disease is another density-dependent factor, as it spreads more easily in crowded populations where individuals are in close contact with one another.

On the other hand, natural disasters such as floods, hurricanes, and wildfires are examples of density-independent factors. These events can affect a population regardless of its size, and they can cause significant decreases in population size.

Predation can be both a density-dependent and density-independent factor. In some cases, predation can increase as the population size increases, making it a density-dependent factor. However, predators can also reduce the population size through random hunting or selective hunting of weaker individuals, making it a density-independent factor.

Understanding the factors that affect population growth is important for predicting and managing population sizes in both natural and human-made ecosystems.

Learn more about population growth at:

https://brainly.com/question/18415071

#SPJ5

Excision of a whole organ or mass without cutting into it as seen in the HoLEP procedure to treat BPH, is called

Answers

Answer:

enucleation po ^-^

Explanation:

ata? correct me if imma wrong -¿-

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