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DedPeter [7]
3 years ago
11

Need help will give brainlist!

Biology
1 answer:
Alina [70]3 years ago
6 0

I believe the answer is B please tell me if i'm wrong

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In cells, __________ are proteins that are needed to lower the amount of energy required to start chemical reactions.
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<span>In cells, enzymes are proteins that are needed to lower the amount of energy required to start chemical.</span>  

 Enzymes are biological catalysts which accelerate chemical reactions (reactions are millions of times faster than without them). Every enzyme has an active site which binds substrates and converts them into products. 
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3 years ago
On most days, Rebecca feels depressed and finds it difficult to get out of bed and go about her daily tasks. About once a month,
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Answer:

Rebecca is surely going to be diagnosed with Bipolar disorder which is a mental health condition of emotional high and low mood

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Bipolar disorder also known as manic depression it's mainly a mental health condition that results in severe mood swings such as high emotional feelings (mania or hypomania) and low emotional feelings (depression).

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3 years ago
Why does wind tend to blow down from mountains at night?
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<span>air along the mountain slopes cools and moves down the mountain into the valley producing a mountain breeze</span>
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4 years ago
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A scientist is comparing the outer layer of an onion cell to the outer layer ofna human skin cell. What is unique about the oute
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Answer:

The correct answer is B: it contains cellulose.

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Looking at all of the options for this answer, we know that <u>both plant and animal cells contain a, c, and d</u> (a selectively permeable membrane). That leaves us with b: cellulose. <u>Cellulose is found ONLY in plants,</u> and it is what gives them their structure. That is what is different from the onion (the plant cell) and the human skin (the animal cell). Let me know if this helps!

**I know this is right b/c I just did this question on Edgenuity**

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3 years ago
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When antigens are attached to a surface of latex bead?
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