What is the most abundant gas in the atmosphere

A:ozone

B:water vapor

C:oxygen

D:nitrogen

Martha is telling her teacher how an animal cell is like a house. Which part of the animal cell is like the doors and windows in Martha's house? Cell membrane Cytoplasm Nucleus Vacuole

Select the true statements regarding antibody (specifically, immunoglobulin G) structure. a. Both the Fab and Fc fragments have variable domains. b.

In your body, what process converts the chemical energy found in glucose into the chemical energy found in atp?

If a molecule of dna is invisible even under a microscope, how will you be able to see the strawberry dna you extract

1. Genes for traits are found on The cell membrane or the chromosomes

What would cause a person to have headaches from the sun only when not wearing a hat?

When in the cell cycle would you find sister chromatids?

What are the four conditions able to see an object?

While the bones of this joint may fracture, they rarely become dislocated. The articular capsule and accessory ligaments of this joint make it one of the strongest structures in the body.

A 5-year-old girl catches the flu from a friend at day care after the friend sneezed and wiped mucus on a toy that the girl played then with. In this case, what is the portal of exit in the chain of infection?