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Nutka1998 [239]
2 years ago
14

Help pls will mark brainlist ​

Biology
2 answers:
CaHeK987 [17]2 years ago
7 0

Answer: Its independent variable

Explanation: Bernard's experiment investigated the effect of the air pressure in the footballs. He decided how much air to put in each ball. The air pressure in the footballs did not depend on what happened in the experiment. So, the air pressure in the footballs was an independent variable in this experiment.

Airida [17]2 years ago
3 0

Answer:

independent variable

Explanation:

The air pressure of the football can stand on it's own, there isn't anything affecting it. instead, the air pressure is influencing the experiment. The dependant variable I'm this experiment would be the distance traveled.

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A medical test indicates that a patient has a defective protein. This
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number of nitrogen bases

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<em>The correct answer would be the number of nitrogen bases.</em>

<u>A defective protein is usually caused by mutation, which is defined a change in the DNA sequence of an organism.</u>

Mutation can occur in a variety of ways including:

<em>1. Deletion of nucleotide base sequence in the DNA</em>

<em>2. Addition (insertion) of nucleotide base sequence in the DNA</em>

<em>3. Duplication of nucleotide sequence in the DNA</em>

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Hence, the correct option is number of nitrogen bases.

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