GBH2425S1 Final Exam Review Questions

Front

What is the fluid mosaic model?

Back

The fluid mosaic model describes the structure of the cell membrane.

Front

Why does ice float on liquid water?

Back

Ice floats on liquid water because its solid form is less dense than its liquid form.

Front

How does water reach the leaves at the top of a tree?

Back

Water reaches the leaves at the top of a tree through capillary action.

Front

What are nucleotides made of?

Back

Nucleotides are made of a sugar, a nitrogenous base, and a phosphate group.

Front

What type of data involves numbers obtained by counting or measuring?

Back

Quantitative data involves numbers obtained by counting or measuring.

Front

What is osmosis?

Back

Osmosis is the movement of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

What is capillary action?

Back

Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of external forces, often seen in plants as water moves up through the xylem.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

Front

What is a cell membrane?

Back

A cell membrane is a biological membrane that separates and protects the interior of all cells from the outside environment.

Front

What is the role of a nitrogenous base in nucleotides?

Back

The nitrogenous base in nucleotides is responsible for encoding genetic information.