What are the genotypes of a heterozygous? (You can use the letter “A” as the allele)

Is going against the concentration gradient active or passive transport?

What is the “backbone” of DNA made of?

What is the purpose of a negative control?

In gel electrophoresis, which side of the gel does the DNA travel toward?

What step of aerobic cellular respiration is halted when you don’t have enough oxygen?

Evolution is a goal driven mechanism.

Is diffusion active or passive transport?

What is the function of pigments in chloroplasts?

What is usually the last step in the scientific method?