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Alona [7]
3 years ago
10

What is a mutation?

Biology
2 answers:
Katen [24]3 years ago
6 0

Answer: D

Explanation: A change in DNA is a mutation

Alborosie3 years ago
5 0
Your answer choice it’s D I think :)
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Jonas Salk was awarded the Nobel Prize for discovering a way to vaccinate against
Bogdan [553]

Answer:

Jonas Salk was awarded the Nobel Prize for discovering a way to vaccinate against  polio in the United States in the 1950's. This allowed millions of school-age children to  avoid crippling disease, and to swim during summer again, as polio was often spread in public swimming areas before.

The statement that best describes how the polio vaccine works is:

It triggers the immune system to produce antobodies to fight the disease-causing agent.

Explanation:

There are two main reasons for this answer. The first one is that every vaccine is aimed to introduce a controlled amount of antigenes to be accepted by the organism. These antigens are made after some studies were conducted in a lab and were obtained from substances that the human body can accept to train the immune system to develop an effective defense for the virus or bacteria on the matter. In our case, the polio vaccine works the same way and allowed to save many lives.

3 0
3 years ago
A male and female bison that are both heterozygous for normal skin pigmentation (aa) produce an albino offspring (aa). which of
Kazeer [188]
The albino gene is recessive meaning that both of the parents have to be carriers for this to occur. Since the offspring is an albino it means that the parents both had the recessive gene for albanism, and their offspring had a 1 in 4 chances of being an albinoe<span />
6 0
3 years ago
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Which aspect of this source should make the reader question its credibility?
Dahasolnce [82]

Answer:

The correct option is A)  It is not written by an authority

Explanation:

In the English language, credibility can be described as the quality of an object to be reliable or trusted.

A piece of written work which does not mention the name of the writer may be considered to be not reliable and trustworthy. Hence, the correct option is A.

Other options, like option D, is not correct because a peer- reviewed journal carries authentic information as the work has been rechecked by different people who have expertise on the subject.

7 0
3 years ago
Which of these is best when painting a room?
bonufazy [111]
C ........................i think
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3 years ago
Which blood component makes up 41% of the blood’s volume?
Len [333]
Red Blood Cells would take up 41% of the blood's overall volume.
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2 years ago
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