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vaieri [72.5K]
3 years ago
9

Why do you think the human stomach pH range is 2.0 - 3.0?

Biology
1 answer:
Inga [223]3 years ago
7 0

Answer:

The stomach has a pH between 1.5 and 3.5 generally and this is due to the cells in the stomach releasing hydrochloric acid.

Explanation:

So as cells in the intestines gradually release more and more sodium bicarbonate, the pH raises from around 1 to around 7. Answer 2: The stomach usually has a pH of 2 or 3

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Discuss two benefits of multicellular organisms having some specialized cells rather than all the cells being the same.
Zigmanuir [339]

Answer and explanation;

-There are advantages to being multicellular rather than unicellular. These include; allowing the organism to be larger, allowing cell differentiation (having different types of cells with different functions) , and also allowing the organisms to be more complex.

-Complex organisms often have specialized cells that carry out different functions. Having specialized cells and systems allows the process such as transport of nutrients and waste to and from all the cells of the body to occur.

8 0
3 years ago
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During conjugation, one gene (A) is found to transfer to the recipient bacteria 26 minutes following the start of conjugation, w
AnnyKZ [126]

Answer:

a. All of the answers are correct.

Explanation:

During conjugation a bacteria transfers it's genetic material to another bacteria. The genetic material has genes in a particular order so we can easily know the order of the genes through experimentation. The transfer of genes occurs as per the time allowed. If two genes are nearby then they will be transferred one after the other.

For example in the given question, gene A was transferred to recipient bacteria in 26 minutes, gene M was transferred in 37 minutes while gene T was transferred in 45 minutes, it simply means that the order of genes is A M T. Gene M was transferred to another bacteria after A was transferred because time required to transfer it is 37 minutes which is less than time required to transfer A which is 26 minutes. Gene T took maximum time to get transferred so it will be last to be transferred.

After calculation, we can easily infer that the genetic distance between A and M is 11 minutes (37 minutes - 26 minutes = 11 minutes). Similarly we can get genetic distance between A and T as 19 minutes and between M and T as 8 minutes. So all the given options are correct.

8 0
3 years ago
Which of the following is not a parenting style? A. authoritarian B. disorganized C. authoritative D. permissive
kirill115 [55]
I think the answers is b bro 
3 0
3 years ago
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The fluid within the chloroplast that is similar to cytoplasm is the _________. Select one: a. Thylakoids b. Grana c. Lamellas d
ikadub [295]

Answer:

stroma

Explanation:

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Which of the following are examples of the first specialized tissues? antennae eyes kidneys tentacles
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Kidneys are the first specialized tissue.

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3 years ago
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