What structure in a bacterial cell controls which substances enter and leave the cell?

DNA or protein can be used as a molecule clock that tells how long it has been since two species have diverged from a common ancestor

Do clown fish reproduce sexually or asexually

What is the prophase of the cell cycle

Can substances leave a cell by diffusion?

Atom A has 10 protons, 8 neutrons, and 10 electrons. Atom B has 10 protons, 10 neutrons, and 10 electrons. Are A and B atoms of the same element? Why or why not?

Which component of exercise primarily strengthens your heart?

What two cells are involved in sexual reproduction?

If you were testing how well different laundry soaps cleaned your clothes, the control group would be:

The nurse is describing how to perform a testicular self-examination to a patient. Which of these statements is most appropriate? A. A good time to examine your testicles is just before you take a shower. B.

In which ways are RNA and DNA different? a. RNA has ribose sugar, DNA has deoxyribose sugar b. RNA has uracil, DNA has thymine c. RNA is single-stranded, DNA is a double-helix d. all of the above