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bija089 [108]
3 years ago
5

Where did environmental scientists discover a large ozone hole in the earths stratosphere?

Biology
1 answer:
MA_775_DIABLO [31]3 years ago
3 0

The hole in the ozone layer was discovered over Antarctica.

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Because it has no introns, researchers prefer to use ____ when working with human genes.
pochemuha
The correct answer is d: cDNA.  
<span>cDNA or complementary DNA is DNA synthesized usually from messenger RNA (mRNA) by the enzyme reverse transcriptase. Because this molecule is from mRNA it contains only exons. cDNA is also produced naturally by retroviruses, for example, HIV virus.</span>
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Identify structure A and describe its function
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16. The goals of biodiversity conservation include all of the following EXCEPT (1 point) protecting individual species. introduc
ludmilkaskok [199]
The best answer is: introducing exotic species into <span> new environments. This can be actually bad, as new species can actually reduce the biodiversity in the environments to which they're introduced</span> , such when cats hunt indigenous birds.

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4 0
3 years ago
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Tyson decides to travel overseas, but he does not get all the needed vaccines before he goes on the trip. while on his trip, he
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The type of glial cells are particularly at risk from the disease are the Schwann cells.  This disease is caused by a bacterium, Corynebacterium diphtheriae, and is caused when the bacteria releases a toxin, or poison, into a person's body. The Schwann cells produces insulating myelin sheath that covers the axons of many neurons. These cells may suffers immune or toxic attacks with diphtheria infection. 
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A PICC line is a short catheter inserted into the jugular vein. A PICC line is a catheter that allows for infusion of intravenou
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Answer:

A PICC line is a long catheter inserted through the veins of the antecubital fossa.

Explanation:

PICC (peripherally inserted central catheter) that are mainly used as a part of chemotherapy for the administration of the particular substances. This can be used for the long period of time in the individual.

The long catheter is inserted in the body through the skin mainly at the peripheral site of the body. This can be inserted for the weeks depending on the severity of treatment. The veins of the antecubital fossa is used for the insertion of the tube.

Thus, the correct answer is option (3).

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