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tankabanditka [31]
2 years ago
14

Explain how hyperpolarisation occurs in an axon cell (4 marks)​

Biology
1 answer:
shusha [124]2 years ago
6 0

Answer: Hyperpolarization occur when ion channels in the membrane open or close, altering the ability of particular types of ions to enter or exit the cell. For example: The opening of channels that let positive ions flow out of the cell (or negative ions flow in) can cause hyperpolarization.

Brainliest pls if it is correct!

<h2> ૮₍˶ •. • ⑅₎ა ♡</h2>
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.pls help fast <br> Is the fossil record complete for humpback whales? Explain your answer.
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Answer:People look at the fossil record and think the early history of many animals is filled with giants, but not for whales. It's only in recent geological times that whales have achieved really large sizes

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2 years ago
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Which of the following is produced when sugar is digested is an animal cell ?
Troyanec [42]

Answer:

Carbon Dioxide

Explanation:

google plus proof below I guess

<em><u>please mark brainliest</u></em>

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3 years ago
Which of the following statements is true about viruses?
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2 years ago
Which process makes it possible for the major organs of the body to be formed by week 10 of human development
faltersainse [42]

The process that makes it possible for major organs of the body to be formed by 10th week of human development is differentiation.  

<u>Explanation:</u>

Human development is started off by the process of fertilization in which the sperm and ovum fuse to form zygote. In human beings fertilization takes place in the oviduct of the female. The zygote that is formed undergoes mitosis to form the embryo.  

The embryo then gets embedded in the uterine walls. It continues dividing and differentiating  into several organs. Almost all of the organs are formed by tenth week of pregnancy even though they aren’t fully developed.  

The embryo has three layers namely ectoderm, mesoderm and endoderm. Ectoderm develops into outermost skin layer, central and peripheral nervous system, eyes and inner ears. Baby’s heart and circulatory system is formed from the mesoderm and the baby’s lungs and intestine develop from the innermost layer called endoderm.  

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3 years ago
Certain environmental changes can denature proteins. Denatured proteins lose their three dimensional structure and when the prot
Schach [20]

B) After determining the optimum pH, they could vary the temperature of the environment to see if catalase is temperature specific

Enzymes are proteins which catalyze reactions by acting on substrates in order to speed up reactions-  like the breakdown of large polysaccharides by amylase. Here, the enzyme catalase facilitates the breakdown of hydrogen peroxide into oxygen and hydrogen. Catalase specificity is affected by pH, temperature and the presence of inhibitors.

In temperatures beyond its optimal range, catalase may undergo changes to its physical structure called denaturation; when denatured, enzymes lose their ability to bind specifically to their substrate -i.e. substrate binding specificity is lost.  H2O2 would no longer be able to bind to the active site, and thus would not be broken down.

Learn more about cellular life at brainly.com/question/11259903

Learn more about proteins and carbohydrates at brainly.com/question/10744528

#LearnWithBrainly

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3 years ago
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