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igor_vitrenko [27]
2 years ago
14

Hey I need help

Biology
1 answer:
Paul [167]2 years ago
4 0

Answer:

Prokaryotes do not have a nucleus; eukaryotes have a nucleus

Explanation:

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When an organism perceives a threat, the fight-or-flight response is due to?
tigry1 [53]
The fight or flight response is most likely because of stress as this response usually occurs or happens when an individual is experiencing stress and when he or she is likely exposed to stimulus that will result the person to feel stressed and worn out.
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3 years ago
Which is best illustrated by Watson and Crick's ball-and-stick model of DNA?
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3 0
3 years ago
Help please also can you explain if you can
Anestetic [448]

Answer:

DNA Replication:

Duplication of DNA molecule.

Replicate the following strand of DNA:

Original DNA A T G A A C C A T T C A G T A T G G

Complimentary DNA  : T A C T T G G T A A G T C A T A C C

Transcription:

Conversion of DNA into mRNA

Transcribe the DNA to make an mRNA molecule

Complimentary DNA : T A C T T G G T A A G T C A T A C C

mRNA Molecule : A U G A A C C A U U C A G U A U G G

Translation:

Conversion of mRNA into proteins

Translate the mRNA into the corresponding amino acids.

mRNA Molecule : A U G A A C C A U U C A G U A U G G

Amino Acid : Methionine, Asparginine, Iso-leucine, Serine, Valine, Trptophan

Using the DNA sequence provided, determine the amino acids.

Original DNA A T G G G T C T A G C G A A A G A T

Complimentary DNA  : T A C C C A G A T C G C T T T C T A

mRNA Molecule : A U G G G U C U A G C G A A A G A U

Amino Acid : Methionine, Glycine, Leucine, alanine, Lysine, aspartic acid

Questions:

Using what you have learned in the lesson and the experiment, answer the following questions in complete sentences.

What is the function of mRNA?

To being transcribed into protein

What is the function on tRNA?

To take the amino acids to mRNA

Describe what happens during transcription.

DNA is converted into mRNA

Describe what happens during translation.

mRNA is converted into proteins

Explain how DNA is used to make a protein.

DNA is transcribed into mRNA THAT IS CONVERTED INTO protein

4 0
3 years ago
PLEASE HELP
vazorg [7]

Answer:

Sexual reproduction increases the genetic variation within the population, because new individuals are made by randomly combining genetic material from two parents. Because only fit individuals reach sexual maturity and reproduce, the overall population tends toward increasing fitness in its environment.

Explanation:

7 0
2 years ago
Scientists have observed the exponential growth of lionfish in the Caribbean Sea. Which of these predictions about the future of
SVEN [57.7K]

Answer:

overpopulation and it because harmful and hard to control and possibly will diminish the number of normal fishes by killing them with their dangerous life threatening spikes

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