There are more hydrogen atoms on living organisms than any other atom, but oxygen is more abundant in terms of mass. Why is this statement true

Hemoglobin carrying oxygen is called

What does a food web diagram illustrate? A. all feeding relationships in an ecosystem B. the cycle of carbon through an ecosystem C. a single pathway of feeding in an ecosystem D. the cycle of water through an ecosystem

In a plant, the allele for tall stems (T) is completely dominant to the allele for short stems (t). A second gene located on a separate chromosome determines flower color.

Muscle cells in the mammalian heart are multinucleate, meaning that multiple nuclei are present in the cytoplasm of individual large cells. Predict what is different about the cell cycle in a muscle cell.

K-selected species are also called equilibrium species. a. True b. False

A black guinea pig with smooth fur was mated with an albino guinea pig that had rough fur. All their offspring were black and had rough fur. What are the genotypes of the parents?

Which statements best describe the first stage of cellular respiration? Check all that apply. A) The stage happens in cytoplasm. B) The stage happens in mitochondria. C) Oxygen combines with small molecules. D) Glucose is broken down.

Which of the following substances is not found in the sweat.? a) water. b) sodium salts. c) urea. d) glucose.

During which step (s) of aerobic respiration is oxygen used

Why do you think scouts could hear better through the solid ground rather than through the air?