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poizon [28]
3 years ago
15

A student is proposing a model to compare prokaryotic cells and eukaryotic cells. The student is using string to model the cell

membrane, beans to represent the ribosomes, and pipe cleaners to model the chromosomes. How will the student need to revise the model to demonstrate a prokaryotic cell rather than a eukaryotic cell?
Biology
2 answers:
MissTica3 years ago
6 0

Answer:

The pipe cleaners should be made circular to signify that prokaryotes do not have chromosomes

Explanation:

Prokaryotic and eukaryotic cells have a number of distinct features. Prokaryotes lack membrane-bound organelles, whereas eukaryotic cells are compartmentalised with different organelles performing different function.

As a result, prokaryotes no not possess a nucleus, where the DNA is housed in the cell. Eukaryoric DNA is organised into chromosomes. However, prokaryotic DNA is much more simple (and there is usually much less of it), and instead of forming chromosomes, it is organised into a singular, circular molecule, sometimes called the bacterial chromosome.

Therefore, the student will need to take one pipe cleaner and form a circle with it to make the bacterial DNA.

adelina 88 [10]3 years ago
4 0

Answer:

33 bvxc

Explanation:

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Need help with my hw
amm1812
  • In the mRNA; A will be complementary to U
  • In tRNA; U will be complementary to A

The mutation does not affect the structure of the protein and is called a silent mutation.

<h3>What is a mutation?</h3>

A mutation is a change that occurs in the sequence of nucleotides of a gene.

The mutation that changes the base G in the DNA to A will result in the following corresponding changes in the mRNA and tRNA:

  • In the mRNA; A will be complementary to U
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The mutation does not result in any changes since the amino acid coded for by the mRNA has more than one codon coding for it.

This type of mutation is called a silent mutation.

In conclusion, some mutations occurring in genes have no effect on the proteins the gene codes for.

Learn more about mutations at: brainly.com/question/14455966

#SPJ1

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