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masha68 [24]
2 years ago
14

What percentage of ozone is contained in the stratosphere? a. 10% b. 50% C. 80% d. 90% Please select the best answer from the ch

oices provided ​
Biology
1 answer:
liraira [26]2 years ago
3 0

Answer:

About 90% of the ozone in our atmosphere is contained in the stratosphere

Explanation:

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All of the following statements about enzymes are true EXCEPT
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Answer:

(D) Enzymes can function only within living cells.

Explanation:

<em>Enzymes are biological molecules that are proteinous in nature and speed up the rate of biological reactions.</em>

Option A is true because enzymes are not used up or changed when they are used to catalyze reactions

Option B is true. Enzymes are very specific with regards to the reactions they take part in.

Option C is true. Some enzymes contain non-protein component that assist them in their functioning. These non-protein components are called co-factors.

Option E is true. Because enzymes are proteinous in nature, they can be destroyed/denatured by high temperatures.

<em>The only untrue option is D. Some enzymes can function outside living cells. For example, the enzymes involved in digestion can function not just within living cells but also outside it. The functions of some of the digestive enzymes can be demonstrated in the laboratory.</em>

The correct option is D.

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3 years ago
In the food web above which organisms are consumers
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Answer:

all of the ones who eat the producer

Explanation:

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2 years ago
The body of young mother has been discovered behind a dumpster. She was last seen 14 hours ago. Her body is in full rigor mortis
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Answer:

A. She died shortly after she was last seen.

Explanation:

7 0
3 years ago
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The cell fractionation.
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Alcohol is considered a ________ because it tends to suppress central nervous system activity.
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