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saw5 [17]
3 years ago
7

What are the names of the famous scientist who discovered the structure of the DNA molecules

Biology
1 answer:
slamgirl [31]3 years ago
5 0

James Watson and Francis Crick are the two scientists to doscover the structure of DNA.

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Which of the following statements are true for both the recrystallization and replacement modes of preservation? Choose one or m
vladimir2022 [97]

A similarity in both recrystallization and replacement modes of preservation is that delicate tissue and organs are not preserved.

<h3>What are recrystallization and replacement modes of preservation?</h3>

Recrystallization is a mode of preservation of fossils in which the internal structure of the fossils is changed by addition of more minerals to form larger crystal of the same material.

Replacement is a mode of preservation in which new material replaces the original material in the fossil.

In both methods of preservation, delicate tissue and organs are not preserved.

Therefore, a similarity in both recrystallization and replacement modes of preservation is that delicate tissue and organs are not preserved.

Learn more about fossils preservation at: brainly.com/question/2023023

#SPJ1

4 0
2 years ago
Generally speaking, which of the following mutations would most severely affect the protein coded for by a gene?a) a base substi
Pavlova-9 [17]

Answer:

Answer is C.

Explanation:

For A and B, a base substitution affects one of the three bases that comprise a codon, the DNA/RNA unit that corresponds to a particular amino acid. If one base is substituted, one codon and therefore one amino acid will be affected. Codons have built-in redundancy, so even by changing one base, the new codon sometimes still corresponds to the same amino acid. Therefore, a base substitution at most affects one amino acid, and sometimes doesn't affect it all.

Frameshift mutations cause a lot more trouble. These occur when you have a deletion or insertion that changes the number of bases in your gene. As a result, the "frame" of the codons changes (everything shifts one way or the other by the number of bases added/removed). This affects EVERY codon downstream of the mutation, so you can imagine that such a mutation would have a bigger effect the closer to the start of the gene it occurs. This is why C is correct.

3 0
3 years ago
2. Describe the importance of oxygen, carbon dioxide, and ozone to living things.
natka813 [3]

Answer:

Animals needs oxygen's to survive and plants need carbon dioxide to survive. The ozone layer reflects harmful UV rays from the sun to protect the things living on Earth.

8 0
2 years ago
Read 2 more answers
Write the formula that shows the release of energy by the mitochondria
Pie

Answer:

Mitochondria is the organelle where cellular respiration takes place. Cellular respiration can be described as a process in which oxygen and glucose are converted into carbon dioxide and water along with the release of ATP. This reaction can be written as:

Glucose + Oxygen → Carbon dioxide + Water + ATP molecules

C6H12O6 +   6O2→  6CO2 +  6H2O +  ATP

The ATP made can be broken down so that energy is released.

ATP + H2O → ADP + Pi + free energy

6 0
3 years ago
Why would oceanic crust subduct underneath continental crust
Archy [21]
The process by which the oceanic crust<span> is pulled </span>under<span> the </span>continental crust<span> is called </span>subduction<span> and the zone at which this occurs at the plate boundaries is called the </span>subduction<span> zone.</span>
6 0
3 years ago
Read 2 more answers
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