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Arturiano [62]
3 years ago
10

Who determined the helical nature of DNA using X-ray diffraction

Biology
1 answer:
mrs_skeptik [129]3 years ago
5 0
The answer is B) Rosalind Franklin
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Who discovered the monomers of nucleic acids?
Kazeer [188]

Answer:

Phoebus Levene.

Explanation:

Two types of nucleic acids are DNA and RNA. The monomers of mucleic acid contains the pentose sugar, nitrogenous bases and the phosphate group attached with the bases.

Friedrich Miescher was the first scientists who discovered the nucleic acids. He identified the nucleic acids from the bandage that contains the nuclei of white blood cells. The new compounds discovered is known as nucleic acid. But the monomers of the nucleic acids was first explained by Phoebus Levene. Different forms of nucleic acid was also postulated by Phoebus Levene.

Thus, the answer is Phoebus Levene.

4 0
3 years ago
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Explain the Concept of Survival of the fitness
elena-14-01-66 [18.8K]

Answer:

"Survival of the fittest" is a phrase that originated from Darwinian evolutionary theory as a way of describing the mechanism of natural selection. The biological concept of fitness is defined as reproductive success.

Explanation:

5 0
3 years ago
What would need to happen for copper not to not exsist anymore.
san4es73 [151]

Electricity could be discovered using batteries based on zinc or lead, but without copper wiring it would remain little more than a scientific curiosity. Electric motors and generators require large amount of wiring, so they are impossible to build on large scale in this world

8 0
3 years ago
Can someone please help me
blagie [28]

Answer:

the answer is the H

Explanation:

how do I find them because I read the question it and look at the problem in those blow down and got the answers H or I think it's j

8 0
2 years ago
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Which of the following denotes the divisions of the geologic time scale in correct order of decreasing lengths of time beginning
Stels [109]

Answer:

d. eon, era, period, epoch

Explanation:

The geological time scale has been made so that the scientists can have a practical system about the classification of geological time, thus everything that has happened throughout it. The geological time unites have been defined in accordance with important events that have happened, thus marking their end or beginning. These events can be mass extinctions, catastrophes, climate patterns, domination of certain species etc. The longest of these time units is the eon, lasting for more than half a billion years, and up to 2 billion years. The era comes as the second longest time unit, lasting for several hundred million years. The period lasts for several tens of million years, and the epoch is the smallest unit, lasting for few million years, or several hundred thousand years.

3 0
3 years ago
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