Which of these is necessary for only the FIRST step of PCR?

a) the four DNA nucleotides

b) DNA primers

c) original template DNA

d) DNA polymerase

e) All of these choices are correct.

What enables neighboring water molecules to hydrogen-bond to one another?

Which of the following statements about genetic drift and population size is FALSE? If a population is large enough, it will not experience random genetic drift. The larger a sample is, the more likely it is similar to its source population.

Which term refers to the fluid between the plasma membrane and the nucleus? a. cytoplasm b. chloroplast c. dribosome d. vesicle

What are two sources of carbon dioxide in air

Beluga, osetra and sevruga caviar come from which fish?

A student claims that cellular respiration is essential to cells so that they have a means for getting rid of excess carbon dioxide. What is wrong with his statement?

When and where was the possibility of growing thornless varieties of plants discovered?

Describe Andesitic Lava: What is it's viscosity and what is it mostly composed of?

Be first to answer and will get brainliest and 10 pts Summarize the two stages of cellular respiration. Be sure to explain where in the cell each stage occurs. the two stages are cytoplasm and mitochondrion

What do we call an individual that has one dominant and one recessive allele for a trait?