A stable physical mixture of two or more substances is a (n):

solution

suspension

emulsion

element

Microorganisms placed in high concentrations of salts and sugars undergo lysis. a. True b. False

Explain why the resting membrane potential of a neuron is negative.

Do Heterotrophs convert solar energy into chemical energy.

Sequences in mRNA, such as UGA, UAA, or UAG, that tell a ribosome when to stop making a new protein are known as

What structure allows sperm cells to swim

What organelle is most specialized?

What is the body of a sponge is covered with many small opening?

Population Growth Which of the following refers to the movement of individuals out of a particular area? A. Immigration B. Emigration C. Transporting Population growth is a big concern for ecologists.

How does a caterpillar get it's energy?

What do scientists think forms the Moon's core?