A DNA molecule is shaped like a

a. long, thin rod.

b. spiral staircase.

c. straight ladder.

d. triple helix.

What is the phenotype of an individual - XHY?

Actinomycin D is an antibiotic drug that inhibits protien synthesis by blocking transcription. In some cells, the application of the drug does not affect the synthesis of certain protiens.

Why might a scientist repeat an experiment if he/she didn't make a mistake in the first one? An experiment should be repeated to A) increase income for increased work. B) prove how good of a scientist you are. C) double check your results.

Based upon the pH scale, a vegetable with a pH of 5.3 would be A. ionic. B. neutral. C. acidic. D. basic.

A patient is experiencing olguria. which action should the nurse perform first?

In horses, the allele for a black coat (B) is dominant over the allele for a brown coat (b). A cross between a black horse and a brown horse produces a brown foal. Is the black horse a homozygous or heterozygous for coat color? BB x bb or Bb x bb

Name the three stages of cellular respiration

Which structure of the respitory system allows for gas exchange

What does not depend on the population size of organisms living in an area

What occurs during the g1 phase (gap phase 1) of interphase.?