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nasty-shy [4]
2 years ago
15

Which of the following vitamins helps prevent night blindness?

Biology
1 answer:
gulaghasi [49]2 years ago
8 0

Answer:

Vitamin A

Explanation:

Vitamin helps corrects deficiency and  improve night blindness.

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garik1379 [7]
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3 0
3 years ago
When sperm and ovum unite at conception, a(n) __________ results. autosome gamete zygote allele?
frosja888 [35]

Answer;

-Zygote

When sperm and ovum unite at conception, a zygote results.

Explanation;

-Conception occurs when a sperm cell from a fertile man swims up through the vagina and into the uterus of a woman and joins with the woman's egg cell (ovum) as it travels down one of the Fallopian tubes from the ovary to the uterus.

-A zygote is the union of the sperm cell and the ovum. Also known as a fertilized ovum, the zygote begins as a single cell but divides rapidly in the days following fertilization. After this two-week period of cell division, the zygote eventually becomes an embryo.

3 0
4 years ago
What category of drugs in the five-category system is reported to have fetal risks but can be used in a pregnant woman if the po
julia-pushkina [17]

Answer:

Category D drugs

Explanation:

There are five categories of drugs, they include: categories A, B, C, D and X. Research shows that category D drugs have possible fetal risks, however, the potential benefits on the mothers still outweighs the risk. An example of a category D drug is Losartan.

Category A drugs have no evidence of risk on fetus, an example is folic acid.

Category B drugs also show no adequate evidence of risk on the fetus. An example is metformin.

Evidences shows Category X drugs have an adverse effect on the fetus, hence the risk outweighs the potential effect. An example is Methotrexate.

8 0
4 years ago
Although a manatee is sometimes called a "sea cow," in what way is it more like a horse than a cow?
sergiy2304 [10]

Answer: They are both large and eat plants. They also have long intestines

Hope this helped :)

Explanation:

3 0
3 years ago
If fruit flies are still used today what can happen?
ICE Princess25 [194]

Answer:

You may not think that Fruit Flies pose a health risk but they are insects and all insects pose a health risk if they hang around long enough.

Explanation:

8 0
3 years ago
Read 2 more answers
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