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V125BC [204]
4 years ago
13

What is the evolutionary significance of the genetic code

Biology
1 answer:
melomori [17]4 years ago
5 0

Answer:

A genetic code shared by diverse organisms provides important evidence for the common origin of life on Earth. That is, the many species on Earth today likely evolved from an ancestral organism in which the genetic code was already present.

Explanation:

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Describe one similarity and one diffence between DNA and RNA
AveGali [126]

Nucleic acids are the biolmolecules which are responsible for carrying information from one generation of organisms to the other. There are two types of nucleic acid namely the deoxyribo nucleic acid (DNA) and the ribo nucleic acid (RNA).

The similarity between the DNA and RNA is that both act as the genetic material carrying genetic information in them. Both are made up of polynucleotide chain with the repeating units called the nucleotides containing a nitrogenous base, a pentose sugar and phosphate. The difference lies in the type of the sugar and nitrogenous bases present. In RNA, the sugar is a ribose. In DNA, the sugar is a deoxy ribose derived from a ribose sugar by the loss of an oxygen atom. The nitrogenous bases of DNA are the adenine, guanine, thymine and cytosine. Whereas, the nitrogenous bases of RNA are the adenine, guanine, cytosine and uracil. Also, DNA is a double stranded molecule with two polynucleotide chains, whereas RNA is single stranded.

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4 years ago
A group of ants attack a cicada, feed on it, and kill it, even though it is much larger than the ants. Which kind of relationshi
Georgia [21]
Is it a predator/prey relation ship

6 0
3 years ago
Receptors are needed for which type(s) of cell signaling?
Mice21 [21]

Receptors are needed for both Short and Long range  cell signaling.

<h3>What are receptors?</h3>

In the cell, there are some special proteins who play the role of receiving external signals. These are what we call receptors.

These receptors could function for both long and short range cell signaling. Hence, Receptors are needed for both Short and Long range  cell signaling.

Learn more about cell signaling:brainly.com/question/14412293

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7 0
2 years ago
Why is fluorine more chemically reactive than nitrogen?
Flauer [41]
The answer D, the octet rules state they have to have a full shell of eight valence electrons to be stable.
6 0
3 years ago
Read 2 more answers
The thin layer of white blood cells and platelets found above the packed red cells in centrifuged blood is called the ______
Alla [95]

Answer:

Buffy coat.

Explanation:

Between the plasma, and red blood cells the platelets, and white blood cells form a thin white layer which is known as Buffy coat following density gradient centrifugation of the blood.

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4 years ago
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