Antibodies are produced when the body is exposed to A. white blood cells. B. receptor proteins. C. antigens. D. macrophages.

Answers

Answer 1

Answer: Antibodies are produced when the body is exposed to antigens (C).

Answer 2

Answer: c. antigens / antigens make you sick duh

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Why do birds and insects share wings with a similar overall shape?

Answers

Birds and insects evolved from the same ancestors.

You may have learned about the sheep clone Dolly in your science class. Although this experiment was greeted as a great success, there are many problems with cloning. One of the ethical issues surrounding cloning has to do with population genetics. The potential problem is that A) cloning is safer than traditional reproduction. B) cloning has become too successful in recent years. C) cloning is less safe than traditional reproduction. D) cloning could lead to a reduction of genetic variation.

Answers

Because it starts with "although", you realize there is a negative point coming in the second part of the sentence, which leads us to C and D. However, D is the one which is correct, because, in fact the genetic variation is diminished by the process of cloning. The new living organism created is a copy of some other. This way, it has the same DNA. If it the were a traditional case of reproduction, the new living organism would have a different DNA code, which leads us to answer D.

The answer to the question is D.

Lithium, sodium and potassium are all in group one on the modern periodic table.
Explain why.

Answers

It is because all these three elements contain ionic properties and they have only one element in their outermost shell

Many soils can be distinguished from other samples by their color and texture. True False

Answers

the answer is true

i hope i helped

The answer is true . Many soils can be distinguished from other samples by their color or texture

If the cell is like a cookie factory,who are the workers?