19 crossing over is one of the most important events in meiosis because

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Answer 1

The crossing over process is considered to be the most important event when it comes to the process of meiosis because the crossing over in the meiosis enables them to produce new arrays of alleles in which is found in the chromosomes.


Related Questions

Sugars are molecules that have __________ c:h:o and are called __________.

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Sugars are molecules that have a 1:2:1 c:h:o and are called carbohydrates.

Explain why an ecologist must consider both speciation and extinction when analyzing diversity of life on earth.

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An ecologist must consider both of the speciation and extinction of an organism or when analyzing the diversity the life on earth because of the following reasons;

-          It is a role of an ecologist

-          It is part of their job

-          This will tell the existence of the organism

-          The organism’s life span on earth

-          How it was existed and were extinct

The temperature to which air must cool to be saturated

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The temperature to which air must cool to be saturated is the dew point.
The temperature to which air must cool to be saturated is called DEW POINT.
The dew point is the temperature to which air must be cooled in order to become saturated with water vapour. When the temperature is cool further beyond this point, the water vapour will condense and form liquid water, which will be released to the earth in form of dew. Dew point is typically affected by the relative humidity of the concerned location.

Second layer of the cell membrane called

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is called the parietal layer

Where in the nephron does most solute reabsorption occur? where in the nephron does most solute reabsorption occur? glomerulus distal convoluted tubule proximal convoluted tubule collecting duct?

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Proximal Convoluted Tubule is the portion of the duct system of the nephron where the solute reabsorption occurs and the tubule is limited to renal cortex. This duct system is slightly a complex structure with proximal convoluted tubule which is segmented into two segments as S1 and S2.
Final answer:

The majority of solute reabsorption in the nephron occurs in the proximal convoluted tubule (PCT). This is where ions, water, and nutrients are reabsorbed from the filtrate into the interstitial fluid. The PCT is the primary site of solute reabsorption in the nephron.

Explanation:

The majority of solute reabsorption in the nephron occurs in the proximal convoluted tubule (PCT).

During tubular reabsorption in the PCT, ions, water, and nutrients are reabsorbed from the filtrate into the interstitial fluid. This reabsorption process helps maintain homeostasis by regulating the balance of solutes and water in the body.

While some additional solutes and wastes are also reabsorbed in the distal convoluted tubule and collecting duct, the PCT is the primary site of solute reabsorption in the nephron.

What is a result of the release of stress hormones

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one result of this would be that it increases the amount of sugars in the human body

Cortisol is a primary stress hormone, and chronic stress for one, is super bad for your health. Your heart rate increases from Adrenaline, blood pressure rises, it increases sugars in the bloodstream. It's very bad. 

whats is Phospholipid..?

A.) Structure of cell membranes
B.)insulation
C.)energy..?

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Structure of cell membranes

Over the course of a few hours, a client receiving lithium carbonate reports being nauseous, then drowsy and "achy." what action should the nurse take when considering the client's next scheduled dose of lithium?

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Final answer:

Assess the client's condition and consult with a healthcare provider if necessary. Monitor the client closely and adjust the dose if needed.

Explanation:

When considering the client's next scheduled dose of lithium, the nurse should take the following action:

Assess the client's condition thoroughly to determine the cause of the reported symptoms.

If the symptoms are severe or persistent, consult with a healthcare provider to determine if the dose of lithium should be adjusted or if an alternative medication should be considered.

If the symptoms are mild and temporary, it may be appropriate to continue with the next scheduled dose of lithium, but monitor the client closely for any worsening of symptoms.

Facilitated diffusion utilizes what to move material across the cell membrane?

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Facilitated diffusion is the process of spontaneous passive transport of molecules across a semi permeable membrane through the help of specific trans membrane integral proteins. Thus, facilitated diffusion utilizes specific carrier proteins to move materials across the cell membrane. The carrier protein carry the materials across the biological membrane.

Final answer:

Facilitated diffusion employs transmembrane proteins such as channel and carrier proteins to transport materials across the cell membrane without energy expenditure, utilizing the concentration gradient.

Explanation:

Facilitated diffusion utilizes transmembrane proteins to move material across the cell membrane. This process, also known as facilitated transport, allows materials to diffuse across the plasma membrane with the help of membrane proteins down a concentration gradient (from high to low concentration) without the expenditure of cellular energy. Materials that undergo facilitated diffusion are typically polar molecules and ions that the hydrophobic parts of the cell membrane would repel. The integral proteins involved in this process, which include channel proteins and carrier proteins, function by shielding these materials from the membrane's repulsive force, enabling their passage into the cell.

True or false ? the body uses carbohydrates, fats, and protiens as sources of energy

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True. In addition, carbohydrates is the first source, followed by fats then proteins.

Which sentence describes energy flow through a natural (not manufactured) system?


A strong wind blows across a Midwestern prairie. The wind forces the blades of a wind turbine to rotate. As the blades spin, the turbine converts mechanical energy to electrical energy. The electricity generated by the wind turbine is used to power nearby homes.

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The correct option is: A STRONG WIND BLOW ACROSS A MIDWESTERN PRAIRIE.
This sentence describes energy flow between two natural elements. The strong wind is natural and the prairie is natural.
 But the other sentences involved artificial systems which had been set up by man. A turbine is a machine that is used to generate energy from wind; it is an artificial system created by man.

Answer:

A STRONG WIND BLOW ACROSS A MIDWESTERN PRAIRIE.

Explanation:

Largest type of blood vessel that carries blood away from the heart to all parts of the body.

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This is Aorta, the largest artery, which pumps oxygenated blood to tissues.

Effects of acute blood loss are due to a decrease in intravascular volume, which can lead to ____.

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Stroke and to low blood pressure

In vertebrates, which biological system carries out more chemical reactions than any other organ or system?

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i am not that good, but maybe the digestive system

Answer:

Digestive System

Explanation:

    The digestive system is responsible for the process of digestion, that is, processing and absorption of food in order to meet the needs of all cells. The proper functioning of this system is due to two important aspects:

    - Compartmental, that is, as much as the various organs that make up this system are physically linked, they still have, within certain limits and harmony, independence of functioning. In other words, each organ will perform a particular function even though it is connected to other structures;

    - Enzymatic, that is, the food will pass through the different organs and, as a result, will undergo the enzymatic action of different enzymes in each region.

    A valid caveat is that during the digestion process physical and chemical changes occur with the food, which aims to create chemical structures and the ideal physical condition to be absorbed.

Detailed records of change within individual species show that although characters commonly remain relatively unchanged for long periods, when changes do occur they are rapid, separated by long periods of very little change. this observation is consistent with

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It is consistent with Punctuated equilibrium. A theory that states that when a species show up in the fossil record they will turn into a stable record, showing almost zero evolutionary change through their geological history. When the species do change, this change is rapid and split the species into tow rather than make the original species evolve into another one.

Any formation in which groundwater rises on its own, under pressure, is called _____.

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Any formation in which groundwater rises on its own, under pressure, is called artesian well.

Answer:

Artesian well

Explanation:

Artesian well is a kind of large hole made in the ground that captures water when reaching an aquifer sheet and performs its work through the pressure made by the stream.

It is a kind of tubular well where the water pressure is sufficient to perform the mechanical work that would make it reach the surface without the need for pumping. All you have to do is install a device to control the water flow.

A team of scientists examining the effects of drought conditions on fish populations assembled the data shown. The data are collected from automated stations that monitor water levels in a stream. The scientists suspect that one of the automated stations may be malfunctioning. Based on the data shown, which monitoring station is most likely malfunctioning and reporting erroneous data?

Water Depth (cm) at Monitoring Stations June 10th-14th

Station ID June 10 June 11 June 12 June 13
Station A 44.5 45.3 46.4 47.0
Station B 43.5 44.0 45.2 46.5
Station C 42.7 43.4 44.5 45.2
Station D 33.2 31.3 30.7 32.4

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Station D is off by about 10 cm compared to the other stations. It also shows greater variation between readings going down then up like 31cm to 30cm to 32cm.

Water levels at station D show greater variation as compared to other stations. The automated station is producing erroneous data. Therefore the correct answer is option D.

What is meant by water level?

The height of water above or below a specific point is called the water level. The devices used to measure the automated water levels are gages. The level of water above a specified gauge at a given location is called the stage.

Another piece of equipment used to measure the groundwater is the water level meter. It consists of a probe connected to a measuring tape. When the probe touches the water, it emits a signal. The cable is then lifted slightly, the signal stops and the depth of the water can be read through the measuring tape.

Based on the given data, the automated station that is most likely malfunctioning is Station D.

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Which system is responsible for transporting blood across the system?

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your answers would be the circulatory system...if that is on of yur answer choices.

Https://www.studthe part of the autonomic nervous system that is responsible for reacting to stressful events and bodily arousal is called the ______________ nervous systemyblue.com/#flashcard/view/6817954

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The part of the autonomic nervous system that is responsible for reacting to stressful events and bodily arousal is called the sympathetic nervous system.

A man has mutations in his skin cells from excessive sun exposure. These mutations will not be passed along to the man’s offspring because
A) skin cells are not gametes.
B) skin cells do not contain DNA.
C) mutations are never passed to offspring.
D) genetic material is not found in somatic cells.






the answer is A

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The answer to this question Is A

Answer is A This man’s offspring will not inherit his mutations in his skin cells because skin cells are not gametes. A mutation is a change in a cell’s DNA. Any cell in a person’s body can develop a mutation, but in order for a mutation to be passed onto a child, it must be present in the genetic material inherited by the child. This genetic material is contained in gametes or sex cells. Answer is A

1. What is the difference between a reflex behavior and instinctive behavior? Describe reflex behaviors and instinctive behaviors that humans possess.

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Reflex behaviors are automatic responses to various stimuli experienced. These can include such actions as the pupils contracting in the presence of light, or the "knee-j erk" reaction when the knee bone is tapped. Humans do not have any control over these reactions. Instinctive behavior, sometimes called innate behavior, are learned responses that are usually common across an entire species. One example of this would be how humans often smile when they are happy.

Which of these shows he correct order to the central dogma of molecular biology . Answer is D . DNA to RNA to protein . Why is the answer D ???

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Answer:

The answer is D! Can you mark me brainliest? Im trying to level up.

Explanation:

The answer is D, DNA to RNA to protein, because this is the correct order of the central dogma of molecular biology, which describes the flow of genetic information within a biological system.

What enzyme is responsible for RNA making from DNA ?

In this process, DNA (deoxyribonucleic acid) is transcribed into RNA (ribonucleic acid) by an enzyme called RNA polymerase, and then the RNA is translated into a protein by ribosomes.

This process is fundamental to all living organisms, and it allows for the transfer of genetic information from one generation to the next. The central dogma is a critical concept in molecular biology and is essential to understanding many biological processes, including genetic disorders and diseases.

The central dogma of molecular biology describes the flow of genetic information within a biological system. It states that DNA is transcribed into RNA, and RNA is translated into proteins. This process occurs in all living organisms and is essential for the function and survival of cells.

The correct order in the central dogma of molecular biology is DNA to RNA to protein. This means that DNA serves as a template for the synthesis of RNA molecules in a process called transcription. The RNA molecules are then transported from the nucleus to the cytoplasm, where they serve as templates for the synthesis of proteins in a process called translation.

The order of the central dogma is important because it ensures that genetic information is properly transmitted from DNA to proteins. Any errors or changes in this process can lead to mutations or other genetic disorders.

Therefore, understanding the central dogma is essential for understanding how genetic information is expressed in cells and how it can be manipulated for various applications in biology and medicine.

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Why is a biosphere important?

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The biosphere is as important as life itself because it is all of life. Without the biosphere, the Earth would be a lifeless planet such as Mars or Venus. ... The growth of the human population on Earth means there is less room for other species.
The biosphere keeps the earth alive and creates thing such as plants and oxygen and anything a human needs.

The small amount of dissolved oxygen found in warm water is considered a _______ to the success of many fish species.

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The small amount of dissolved oxygen found in warm water is considered a Limiting Factor to the success of many fish species. (I'm not 100% sure)
the small amount of oxegen found in water

The cellular process in which materials are moved across a membrane from an area of lowconcentration to an area of high concentration is called

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active transport. it's the only method of transfer of material that is again concentration gradient

Why organisms need to release energy in a series of controlled steps?

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In living organisms, energy is needed to carry out the life processes and activities which sustain life. This energy has to be released in a series of controlled steps because that makes it possible to utilize the energy efficiently. If the energy release is not controlled, energy will be continuously released all the time and this will leads to great waste of energy when the energy is abundant and great distress, which can lead to cell death when energy supply is down.

How many different types of contraction is skeletal muscle capable of making?

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There are four different types of skeletal muscle contractions: 1. Concentric (isotonic) contractions: In this contraction type, the muscle actively shortening. The raising of a dumbbell during biceps curl exercise is an example of concentric contractions. 2. Eccentric Contractions: During normal daily activity our muscles are often active while they are lengthening. Walking is an example of eccentric contractions. 3. Isometric Contractions: The muscle is activated at a fixed length. Holding an object would be an example of this type of contractions. 4. Passive Stretch: The muscle is being lengthened during in a passive state. An example of this type is the pull one feels in their hamstrings while touching their toes.
Final answer:

Skeletal muscle can make three types of contractions: isotonic, isometric and eccentric. Isotonic contractions change muscle length but keep force constant. Isometric contractions produce tension without changing muscle length. Eccentric contractions allow the muscle to elongate while under tension.

Explanation:

Skeletal muscle is capable of three different types of contraction: isotonic, isometric, and eccentric. Isotonic contractions can be either concentric or eccentric. During an isotonic contraction, the length of the muscle changes but the tension or force within the muscle remains constant. Isometric contractions result in no change in muscle length even though tension is produced. Lastly, in eccentric contractions, the muscle elongates while under tension, usually as a means to control the re-lengthening of the muscle following an isotonic, muscle-shortening contraction.

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When you are sick, extra white blood cells are created by the _____.

lymph system
excretory system
cardiovascular system
endocrine system

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The lymph system creates extra white blood cells.

The correct answer is A) lymph system.

When you are sick, extra white blood cells are created by the lymph system.

As part of the immune system in the human body, the lymph system regulates fluid balance and absorb fats. It is a network of vessels in the human body that passes through all the tissues for the lymph fluid to move. It similarly circulates the body as the blood does. The lymph nodes swell in the presence of an infection. That is when you have to go see a medical doctor.

The information you collect in an experiment in order to answer a question is called

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I believe hypothesis .



Please vote my answer brainliest. thanks!

Factors that affect gastric drug absorption include

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Lipid solubility of the drug
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