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myrzilka [38]
2 years ago
9

Eted

Biology
1 answer:
balandron [24]2 years ago
6 0
The correct answer is B
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Two cells (A and B) from an embryo in the first trimester of development were examined. The image on the left below shows a Sout
GrogVix [38]

Explanation:

A. The differential induction of DNA transcription suggests the cells are destined to become different tissues.

Given the lack of RNA encoding, DNA transcription is not occurring. This may happen because the cells are destined to undergo different forms of differentiation- here, transcription would require the activation of different regions of the genetic code called transcripts.

Sequences of DNA make up genes which can have different forms called alleles. DNA is transcribed into mRNA and later translated into amino acids which are linked together by rRNA to form proteins.

Further Explanation:

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. Chromosomes within the nucleus is unwound, unzipped and read by enzymes in a complex series of steps known as transcription. The message on DNA, called genes is copied by RNA polymerase to form mRNA complementary sequence to that of the DNA strand. These are then translated into proteins in ribosomes.

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

4 0
3 years ago
Some closely related species of snails cannot mate because their shells spiral in opposite directions, making it impossible for
mixer [17]

Answer:

Mechanical incompatibility.

Explanation:

Mechanical incompatibility: occurs when species cannot mate because their reproductive structures are incompatible – In animals with internal fertilization, male and female sexual organs may not fit together – For example, snails of species whose shells have left-handed spirals may be unable to copulate successfully.

Mechanical incompatibility of male and female genitalia is common in animals with internal fertilization. However, our knowledge regarding the precise mechanisms is limited.

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3 years ago
A large natural population of sea stars have lived near shore and relatively unchanged for many
Svetlanka [38]
The answer is yes !!!!!!!!!!!!!!!!!
4 0
2 years ago
Read 2 more answers
What substrate does phosphatase work on?
mel-nik [20]
Protein substrate :))
6 0
2 years ago
Which of the following is the correct definition of acoustic energy? energy transmitted as sound waves energy that is transmitte
KengaRu [80]
"Energy transmitted as sound waves" is the correct answer. If you have trouble remember, just think of an acoustic guitar, which sends this energy out every time a string is plucked.
8 0
2 years ago
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