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trapecia [35]
3 years ago
6

Is nonsense mutation worse than missense?

Biology
1 answer:
Arte-miy333 [17]3 years ago
4 0
Generally nonsense is much much worse. It creates a premature stop code which can throw off the entire chain of codons and makes things much much worse. A good way to remember this is that the nonsense mutations make the codons not make sense.
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Which evolutionary mechanism changes genotype frequencies but does not change allele frequencies?
Montano1993 [528]

Assortative mating is the evolutionary mechanism that changes genotype frequencies but does not change allele frequencies.

Assortative mating is the type where two individuals mate with each other on the basis of their similarities and dissimilarities. This is a different phenomenon than the random mating that occurs by chance. Assortative mating can be used to increase the number of organisms of a population containing a certain trait.

Allele is the alternative form of a gene. It arises due to mutations. A gene can have more than one types of alleles. However, usually a gene only has one allele. The alleles are found at the same location of the homologous chromosomes.

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6 0
1 year ago
Dna never migrates from the nucleus to the cytoplasm to participate directly in protein synthesis. True or false
NeTakaya

Answer: true

Explanation:

Only the mRNA made from the DNA takes part in the protein synthesis

5 0
3 years ago
What are the elements of Carbohydrates, Lipids, Proteins, and Nucleic Acids?
antiseptic1488 [7]
Carbohydrates- oxygen, phosphorus, sodium, carbon, potassium
Lipids- carbon, hydrogen, and oxygen
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Nucleic acids- carbon, hydrogen, oxygen, nitrogen, phosphorus
3 0
3 years ago
Read 2 more answers
True or false: the result of telophase is two nuclei surrounded by unwound dna inside a centriole.
Lilit [14]

False, to isolate the nuclear DNA from the cytoplasm, a nuclear membrane develops around each set of chromosomes during telophase.

<h3>What is the cell cycle?</h3>

The chromosomes start to uncoil, becoming less compact and dispersed,  cytokinesis, nuclear re-constitution, removal of the mitotic spindle machinery, and unwinding of the chromosomes into chromatin are characteristics of telophase, the final stage of mitosis.

Cytokinesis, or the division of the cytoplasm into two daughter cells, occurs after telophase.

Therefore, the cell ultimately forms the daughter cell nuclei and proceeds to divide into two during telophase. The process that results in the creation of sperm and egg cells is known as meiosis.

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6 0
1 year ago
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If a cell lacked peroxisomes, what vital process would not occur?
mr Goodwill [35]

Answer;

Neutralization of free radicals

Explanation;

-Peroxisomes are small vesicles found around the cell. They have a single membrane that contains digestive enzymes for breaking down toxic materials in the cell. They differ from lysosomes in the type of enzyme they hold. Peroxisomes hold on to enzymes that require oxygen (oxidative enzymes).

-The oxidative enzymes that break down fatty acids and amino acids, resulting in, among other things, the production of the toxic substance, hydrogen peroxide.

4 0
3 years ago
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