In the cell cycle, external regulators direct cells to

• A. speed up or slow down the cycle

• B. Remain unchanged

• C. Proceed and then stop the cycle

• D. Grow uncontrollably

What do you think would happen if dna did not have a backbone?

Leucoplasts are types of?

They form a wide band called the Asteroid what

Describe how C. parvum obtains the glucose it needs for glycolysis after it has infected another cell

What does the word stratified mean relating to tissue classification?

What body system contains hemoglobin

A distinguishing characteristic that can be inherited is what

The forming and breaking of bonds in a chemical reaction always involves changes in energy what are the 2 options of what happens to that energy?

Demographic transition is the transition from high birth and death rates to low birth and death rates as a country develops from a pre-industrial to an industrialized economic system. A demographic transition involves four stages.

Why does the oxygen atom in a water molecule have a negtive change