What is bound to the heme in the hemoglobin molecule, making it possible to transport oxygen?

Is a dead bird abiotic or biotic

Compare the amount of ATP made during aerobic cellular respiration to the amount of ATP made during anaerobic cellular respiration, like lactic acid fermentation and alcohol fermentation.

How much the light is bending depends on what

7. What is an atoke?

Any group of similar cells that perform the same specific function is

In pea plants, smooth pea shape is dominant to wrinkled pea shape. If a pea plant that is true-breeding for smooth pea shape is crossed with a pea plant that is true-breeding for wrinkled pea shape, what will be true of the offspring?

Are atoms completely lost or gain in a chemical re

Epinephrine and norepinephrine that are released from the adrenal glands affect target tissue for a longer period of time than the same substances released from neurons at their peripheral receptors. why?

Interpret this phrase: "we respire because our cells respire"

What are the two reasons for the change in the population of the giraffes?