All cells are surrounded by a membrane. which is a characteristic of a cell membrane

Which one of the following is NOT a component of each monomer used to make proteins? A) a phosphorus atom, P B) an amino functional group, NH2 C) a side chain, R D) a carboxyl group, COOH

MOst cells in a typical brain are a) haploid b) diploid C) triploid D) a mixture of haploid and diploid D) the brain is not made of cells but rather is a nervous tissue

What happens to a cell as a result of diffusion

Sodium is more reactive than magnesium. True or false?

The formation of glucose from noncarbohydrate sources, such as amino acids is called

A particular tissue was discovered to have cells that lie in small chambers, separated by a matrix that is solid yet flexible, and fibers that could be stretched while still being able to return to their original length. Name this tissue.

What does the lac operon in bacteria code for?

Egg and sperm are a type of these?

What is Chemical digestion?

Where would sugar most likely be present in water?