Biology STAAR Review

Front

What is the process that requires energy to move substances across a cell membrane?

Back

Active transport.

Front

What is the main purpose of cellular respiration?

Back

To turn glucose into energy in the form of ATP.

Front

How does the number of differences in DNA base pairs relate to the evolutionary relationship between organisms?

Back

The more differences in the DNA base pairs, the more distantly related the organisms are.

Front

What is genetic drift?

Back

Genetic drift is a mechanism of evolution that occurs by chance, not by natural selection.

Front

What is the genotype for a homozygous recessive organism?

Back

aa or aabb.

Front

What is the role of ATP in cellular processes?

Back

ATP serves as the primary energy currency of the cell.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy, while active transport does.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants convert sunlight into chemical energy in the form of glucose.

Front

What is the significance of the cell membrane?

Back

The cell membrane controls the movement of substances in and out of the cell.

Front

What is a mutation?

Back

A mutation is a change in the DNA sequence that can lead to changes in traits.