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klemol [59]
3 years ago
10

When should vaccines be given? Should they be given as a precaution or when there is evidence of an outbreak?

Biology
1 answer:
Ivanshal [37]3 years ago
5 0
Among reported cases through May 17, 90% were unvaccinated or their vaccination status was unknown. Fifty-five (6%) cases were acquired outside of the U.S. (international importations) and 825 (94%) were acquired in the U.S. Most cases (94%) were related to outbreaks and 75% were related to outbreaks in New York City and New York State.
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Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome.
Vladimir [108]

Answer:

D) The structural genes will be transcribed continuously.

Explanation:

Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome.  If she moves the operator to the far end of the operon, past the transacetylase (lacA) gene, the structural genes will be transcribed continuously.

A structural gene is a gene that codes for any RNA or protein product other than a regulatory factor (i.e. regulatory protein).

7 0
3 years ago
What can be said about the diversity of life in the high tide zone compared to that of the low tide zone?
Airida [17]

Answer:

B. There is less biodiversity in the high tide zone because the tidal changes make survival difficult.

Explanation:

The high tide and low tide zones are located on the seashore as the ocean water merges with land.

High tide zones are usually covered with water during high ocean tide while low tide zones are always submerged in water.

There is low biodiversity in the high tide zone because the tide here changes rapidly and organisms find it difficult to adapt. Organisms that inhabit here must be welll adapted to withstand peroids of high tides.

4 0
3 years ago
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RNA and DNA are both the instruction on how to create proteins, which then determine our specific traits. Where does DNA live in
atroni [7]

Answer:

DNA is located in the nucleus, but can also be found in other cell structures called mitochondria. Since the nucleus is so small, the DNA needs to be tightly packaged into bundles known as chromosomes.

Explanation:

8 0
3 years ago
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As a result of mitosis, the cells of a multicellular organism share which of these properties? Select two correct answers.
Elodia [21]

A all cells have the same number of chromosomes hope this helps!! and C

3 0
3 years ago
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what is the probability that two heterozygous parents will produce heterozygous dominant offspring? 1/2, 3/4, 1/1, or 1/4
kherson [118]
1/2

For instance the two parents could be AB and AB

The possible combinations are: AA AB BA BB

2/4 of those are heterozygous, or 1/2.
3 0
3 years ago
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