How can scientist use DNA to determine how closely two groups of organisms are related

How does the tRNA know where to dock on the mRNA?

What is the purpose of the seed coat in plants?

A biologist hypothesizes that keeping mice on a restricted diet with minimal calories will increase their aggression. The biologist designs an experiment in which 100 mice are to be housed in individual cages under similar conditions and diets.

During cellular division, one cell divides to become two cells. Then, the two cells divide to become four cells. The four cells divide to become eight cells, and so on and so forth.

What forms around the two chromosome groups at the end of mitosis?

What characteristics made Charles Darwin well suited for science?

What is habitat quality

Which type of substance is an environmental contaminant that causes harm to living organisms?

Select the correct answer. A chestnut-colored horse mates with a white-colored horse to produce a brown and white spotted offspring. What is the type of inheritance pattern?

Which of the following statements about the electron transport chain is true? View Available Hint (s) Which of the following statements about the electron transport chain is true? a) Water is the last electron acceptor.