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Advocard [28]
3 years ago
15

5. Which of the two cell reproduction processes that we learned about in this lesson is the one that is necessary for sexual rep

roduction? (1 point
Biology
1 answer:
GaryK [48]3 years ago
6 0
Meiosis is the cell replication of gametes (sex cells).
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The structure shown in the inset (right) show the level of organization called
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Animals such as sharks have diffrent levels of structres organization in their bodies. each cell in a multicellular organism does not perform every life function
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Be-19 what must a type iii marine sanitation device have when boating on inland waters?
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3 years ago
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Amylase is an enzyme that breaks down starch. why can’t the same enzyme break down cellulose?
rusak2 [61]
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3 years ago
Some materials can move across the cell membrane against a concentration gradient by
Anastasy [175]

Answer:

Molecules which move against the concentration gradient across the cell membrane employ the mechanism of active transportation.

Explanation:

Normally, permitted molecules moves across the cell membrane of the cell by the process of diffusion and osmosis. This is used when molecules move from hypertonic region to hypotonic region (if ions) and hypotonic to hypertonic (if water). This is a passive transportation which do not require the expense of energy from the cell.

In contrast, when molecules move in or out of the cell against their concentration gradient, that is ions moving from hypotonic region to hypertonic region, they implore the expense of energy in form of adenosine triphosphate (ATP), and the involvement of the membrane carrier proteins. This is called active transport.

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3 years ago
Conjugated enzymes consist of a protein ______ and a nonprotein _____. Multiple Choice apoenzyme; cofactor substrate; enzyme non
notka56 [123]

Answer:

<h2>Apoenzyme </h2><h2>Cofactors</h2>

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Conjugated enzymes also known as holoenzyme. Simple enzymes consist of only protein alone  but  the Conjugated enzymes contain protein ( this portion is called Apoenzyme) and nonprotein molecules (this portion is called cofactor). Cofactor help enzymes in their action.

Enzymes are catalyst which increase the rate of a reaction by decreasing the activation energy.

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