As DNA is replicated, which DNA base pair will bond to cytosine?

A. adenine

B. thymine

C. cytosine

D. guanine

Viruses are the exception to the cell theory, but they have some characteristics of living things. What is one of these characteristics?

The concentration of solutes in a red blood cell is about 2%. Sucrose cannot pass through the membrane, but water and urea can.

If two individuals who are heterozygous for the sickle-cell disease have children, their offspring: select one: a. will all have the genotype hbs hba. b. will have a one-quarter chance of being a sickle-cell-free homozygote. c.

What makes a planet living

In what way would a harsh winter most likely affect the rabbit population size? A.) population decreases. B.) population increases. C.) population reaches carrying capacity. D.) population completely dies off.

The climate in the Siberian tundra

Function of amyloplast

Rabbits feed on plants in a meadow. What would happen to the rabbits if the plant population gets destroyed

You have 46 chromosomes in each of your somatic cells. If you cut your arm, how many chromosomes would be in each newly formed skin cell?

Which careers could be touched by biology? Select all that apply. ~apple grower ~pediatrician ~physical therapist ~landscape gardener