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goblinko [34]
3 years ago
8

Describe three pieces of evidence that support the big bang theory.

Biology
1 answer:
dexar [7]3 years ago
7 0

Answer:

Hubble’s law on distant red shift, the abundances of light elements, and the background radiation levels in the cosmos

Explanation:

Apex

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In the classic experiment conducted by Hershey and Chase, why was the pellet radioactive in the centrifuge tube that contained b
frozen [14]

Answer:

<h2>Hershey and Chase conducted a series of experiments in order to prove that DNA is the genetic material.</h2>

Explanation:

In this experiment, sulphur-35 and phosphorous-32 were used to radioactively label protein and DNA respectively. The bacteriophage (viruses that infects the bacteria) were allowed to infect the <em>E. coli </em>and it was found that bacterial pellets contains P-32 in their DNA and not S-35. This indicates suphur is not found in DNA, it is present in protein. This experiments proves that DNA is the genetic material and not protein.

So, the correct option is A.

7 0
3 years ago
List two examples of acids and bases in nature.
aleksklad [387]
Limewater, and bleach for base.

For acid: citric acid, and tartaric acid.
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3 years ago
Is groundwater always cleaner than surface water?
Elza [17]

(つ ^-^ )つ Hey There!

Answer : Groundwater is generally much cleaner than surface water. So      ✨Yes✨

Why : Groundwater is less susceptible to pollution than surface water because as water enters the ground, the soil and rocks naturally filter much of the water as it passes through the ground.

✨Hopes this Helps!✨

7 0
3 years ago
What Is The Answer Please?
levacccp [35]

The answer Is B A new Species is forming

8 0
3 years ago
____________ is two different alleles for a gene, while two identical alleles for a gene is __________.
nydimaria [60]
I believe it is B. Heterozygous; homozygous. The prefix hetero means two different and the prefix homo means two of the same
5 0
3 years ago
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