Biology

What is the Ames test, and how does it work?

Started by sammy

Recombinational repair is activated when damaged DNA has escaped repair and the distortion disrupts ...

Started by EAugust

What is meant by the term photoreactivation repair?

Started by sheilaspns

In a survey of 240,000 human births, 6 achondroplastic births were recorded to parents who were ...

Started by nmorano1

It has been found that a particular "+ " combination of frameshift mutations in gene X gives a ...

Started by silviawilliams41

Assuming one mutational event in a gene, on average, which of the following mutagens or mutational ...

Started by Bob-Dole

What is the common influence of ultraviolet light on DNA?

Started by lracut11

Some mutagens cause genetic changes that can be "corrected" by reexposing cells to the same mutagen. ...

Started by panfilo

A mutation that occurs naturally, without exposure to a known mutagen, is called a(n) ________.

Started by APUS57

DNA may be damaged from the by-products of normal cellular aerobic respiration. Name three of these ...

Started by plus1

One type of mutation involves the replacement of a purine with a purine, whereas another causes the ...

Started by berenicecastro

Three major types of RNAs are mRNA, rRNA, and tRNA. For each of the conditions below, predict the ...

Started by wenmo

Under which condition(s) might one have an amino acid substitution in a protein that does not result ...

Started by JMatthes

How was it determined that X rays are mutagenic?

Started by kshipps

Barbara McClintock discovered mobile elements in corn by analyzing the genetic behavior of two ...

Started by rl

All insertion sequences (IS elements) contain two features that are essential for their movement. ...

Started by pane00

Ultraviolet light causes pyrimidine dimers to form in DNA. Some individuals are genetically ...

Started by K@

Mutations that arise in nature, from no particular artificial agent, are called ________.

Started by fox

A class of mutations that results in multiple contiguous amino acid changes in proteins is likely to ...

Started by ENagel

Nutritional mutations can be described as ________.

Started by future617RT

True or False: The secondary structure of a protein is dependent on polar interactions among the ...

Started by EAugust

True or False: Sickle-cell anemia is caused by the absence of the alpha chain of hemoglobin.

Started by yoroshambo

True or False: Prokaryotic and eukaryotic ribosomes are structurally and chemically identical.

Started by asd123

True or False: The ribonucleic acid components known to exist in eukaryotic ribosomes are the ...

Started by a0266361136

Regarding the protein structure, how are -pleated sheets arranged and stabilized?

Started by joesmith1212