Ridges and hills that separate two watersheds are called the ...

In DNA replication, A) a new non-coding strand is made for the gene. B) a new gene is made for the non-coding strand. C) both of these occur. D) none of these occur.

Are new plants from cuttings produced by meiosis or mitosis?

What is light pollution? and how does it affect astronomers?

If you could track all of the carbon atoms that are present in a sugar molecule that undergoes cellular respiration, where would those carbon atoms end up?

A pea plant that is heterozygous for inflated pea pods is crossed with another plant that makes constricted pea pods. what are the F1 genotypic and phenotypic ratios? what is the probability that the offspring produce inflated pods?

What is the relationship between structure and function in the selected muscle? - Muscle - Human Cardiac - Smooth Muscle - Skeletal Muscle

Which of the following is one of the four conditions necessary for natural selection to occur in a population?

What would happen if our cells would not get oxygen?

Describe why plant cells are rigid:

What type of symbiosis is benificial of for both organisms?