BIO120 Unit 1 Review

Front

What happens to a red blood cell in a hypertonic solution?

Back

Fluid moves out of the cell and the cell shrinks (crenate).

Front

How is the nose positioned relative to the ear?

Back

The nose is medial to the ear.

Front

What is the first level of organization that can sustain life?

Back

Cellular.

Front

What macromolecule has amino acids as its monomers?

Back

Proteins.

Front

In which direction do substances move during diffusion?

Back

From high concentration to low concentration.

Front

Define hypertonic solution.

Back

A solution with a higher concentration of solutes compared to another solution.

Front

What is the definition of crenation?

Back

The process where cells shrink due to loss of water in a hypertonic solution.

Front

What is the role of proteins in the body?

Back

Proteins serve as building blocks for tissues, enzymes, and hormones.

Front

What is the difference between diffusion and osmosis?

Back

Diffusion is the movement of solutes from high to low concentration, while osmosis is the movement of water across a semipermeable membrane.

Front

What is the definition of a cell?

Back

The basic unit of life that can perform all life processes.