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patriot [66]
3 years ago
9

Robert Hooke was the first person to observe cells. He observed these cells in

Biology
1 answer:
saveliy_v [14]3 years ago
6 0

Robert Hooke was the first person to observe cells. He observed these cells in (a) a piece of cork.

I hope this helps!

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The mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 mc024-1.jpg 1023.
marin [14]
The mass of one atom of carbon in the correct number of significant figures is 1.99×10-²³. There are four significant figures each in both the atomic mass of carbon (12.01 g) and Avogadro's number, so the answer must also have 4 significant figures. The operation is shown below:

<span>12.01 / (6.022x10²³) = 1.994x10</span>₋²³<u />
5 0
3 years ago
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Which of the following pieces of information would serve as evidence that DNA is the source of heritable information?
chubhunter [2.5K]
The Hershey and Chase experiment concluded the same by labeling the DNA of the parents with phosphorous and found out that the DNA of the offspring also bear phospho- labeled DNA, which established the fact that DNA is the heritable information source. So, your answer is B. 
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3 years ago
The concept of reproductive isolation relates more toward genetic____ to distinguish between species.
liq [111]

Answer:

similarities

Explanation:

The concept of reproductive isolation relates more toward genetic similarities to distinguish between species. The barriers prevent closely related species living in the same geographical area from interbreeding. They help to keep each species distinct from the others.

3 0
3 years ago
What contains genes that are the instructions for making proteins
Sonbull [250]

Answer:

What contains genes that are the instructions for making proteins

Explanation:

The DNA code contains instructions needed to make the proteins and molecules essential for our growth, development and health. DNA? provides instructions for making proteins

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How do we know that DNA contains genetic info?
Allushta [10]
Mitosis is a process that makes DNA synthesis
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