Why should the agar plate be sterile before the bacteria are placed on it

What can a Tsunamis be caused by

How does acid deposition impact aquatic environments? a. fish do not often die but they do become too full of toxins to be consumed by humans. b.

How and why extra energy taken in is stored in the human body?

7) How many alleles will a gamete have for any one gene?

True or false? The movement of matter cannot occur without energy transfer.

Living animal cells, each with a salt concentration of 1%, are placed in a solution of 30% salt. Which of the following will occur? A.

The duck-billed platypus has 52 chromosomes in its body cells. When the platypus's body cells divide by mitosis, how many chromosomes will each daughter cell have?

What is a prokaryotes in biolog

Which of the following does not represent conditions believed by scientists to have been present on early Earth? A. An atmosphere thick with water vapor B. energy in the form of ultraviolet radiation C. extremely cold temperatures D.

What would happen if a cell stopped functioning correctly?