Activates a second messenger

a. peptide

b. steroid

What are the two things that happen as the blood passes through the lungs?

Why is an organisms role important for its community?

in a family the father is affected by a genetic disorder the son in the family has the same disease but the daughters do not have it what type of inheritance is this?

The source of stored energy in the form of food for all animals and humans ultimately comes from: sun plants other animals ATP in its cells I think it's D, but I wanna double check, I know it's not A, since I got that wrong

When charles darwin set sail on his five-year journey on the hms beagle, both he and most of his contemporary scientists thought that each species was specially created by god in its present form and did not change over time.

Time sensitive: What plants or herbs (or berries) calm snakes? need to know.

The hydrosphere is predominantly made of A. gaseous air. B. frozen water. C. solid rock. D. liquid water.

A patient has diabetes a disease that causes high blood sugar levels which macromolecule will a dietitian monitor most closely in a patient that has the disease

In what situation does anaerobic respiration take place? O A. When there is no nitrogen O B. When there is no ATP O c. When there is no oxygen O D. When there is no NADH

What is the best distinction between birds and other animals? A birds eat seeds B birds have amniote eggs C bird have feathers D birds can fly