Author: Anonymous

Endonucleases and exonucleases are enzymes that can remove nucleotides from a polynucleotide chain. Where do endonucleases and exonucleases remove nucleotides from?

Select the purines. You may select more than one answer.

Ribosomes are complex aggregates of

In a small population of cockroaches living in your kitchen, only a few roaches mate in one year. This can lead to random changes in allele frequency in the population through __________.

Coloration in the peppered moth (Biston betularia) is determined by a single gene with two alleles showing complete dominance. Dark moths are homozygous dominant or heterozygous for the gene, light moths are homozygous recessive. In a sample of 100 moths, you determine that 64 of the moths are dark. According to the Hardy-Weinberg rule, the expected frequency of the dominant allele is __________.

In eukaryotes, the 3′ poly-A tail is attached to

The most precise method of obtaining estimates of the absolute ages of geological deposits is to __________.

Guanine makes up 30% of the nucleotides in a sample of DNA from an organism. Approximately what percentage of the nucleotides in this sample will be cytosine?

Given the sentence “THE FAT CAT ATE THE RED RAT,” which of the following would represent a frameshift mutation?

The evolution of similar forms in different lineages when exposed to the same selective pressures is __________.