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olga2289 [7]
2 years ago
5

After using a chemical mutagen to generate mutations in a dna sequence, scientists noted a mutation from c to t at the 10th posi

tion within the coding region of a gene. this mutation led to a change of proline into serine at the fourth position in the resulting peptide. using this information and the sequences listed below, select all the types of mutations that occurred.
Biology
1 answer:
Luda [366]2 years ago
3 0

Answer:

substitution, missense mutation, and transition

Explanation:

A mutation is any change in the genetic information of an organism. A substitution is a point mutation by which a single nucleotide base pair is replaced by a different nucleotide. Moreover, a missense mutation is a point mutation that results in the incorporation of a different amino acid in the polypeptide chain since this mutation generates a new codon which codes for a different amino acid. Finally, a transition is a point mutation where a purine (either Adenine or Guanine) is changed to another purine, or a pyrimidine (either Thymine or Cytosine) is changed to another pyrimidine (in this case, Cytosine is changed to Thymine).

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At which stage would centromeres of sister chromatids Disjoin and chromatids separate?
Debora [2.8K]

Answer:

Anaphase II.

Explanation:

Cell division may be defied as the phenomena by which the cell multiply and increases its number under the influence of cell cycle checkpoints. Two main type of cell division are meiosis and mitosis.

The meiosis result in the formation of four haploid cells from the single parent diploid cell. The Anaphase II of meiosis leads to the disjoin of the sister chromatids and the separation of chromatids. This is similar to the anaphase of mitosis.

Thus, the correct answer is anaphase II.

4 0
2 years ago
Cells spend the majority of their time in?
Sidana [21]
OK so the answer you are looking for is most likely going to be inter phase because that is what most cells spend their time in.
4 0
3 years ago
Fungi of the phylum Basidiomycota form mycorrhizal
Reika [66]

Answer:

The orchids derive nutrients from the association at very young stages of its life cycle while the fungi obtain water and organic matter

Explanation:

As stated in this question, fungi species belonging to the phylum Basidiomycota form mycorrhizal associations with a flowering plant called orchids. This relationship is a mutualistic one because both participants benefit from the relationship.

In this association, the young orchid plant relies on the mycorrhizal fungi's metabolism to get nutrients needed for its development in form of carbohydrates while the fungi in return gets water (from the roots of the plant) and organic matter.

7 0
2 years ago
During the process of chromosome replication, A genetic error occurs. As a result, a sequence of events occurs as described belo
bonufazy [111]

Answer: 1. B-D-A-C.

Explanation: If a genetic error occurs during chromosome replication, it will lead to a series of events ranging from:

1) Production of a DNA strand with an altered base sequence.

2) Production of an mRNA strand with an altered base sequence during transcription. This is because mRNA is synthesized by copying the genetic message coded in the DNA.

3). Synthesis of a protein with an altered amino acid sequence during translation, and this eventually leads to

4). The expression of a new inheritable trait in the organism.

8 0
2 years ago
What is an ionic bond?
scZoUnD [109]
The answer is A. An ionic bond transfers, in contrast  a covalent bond shares
3 0
2 years ago
Read 2 more answers
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