Biology Semester 1 Final Review

Front

What happens to your breathing rate when oxygen levels are low?

Back

Your breathing rate increases.

Front

What is the appropriate response when oxygen levels rise after being low?

Back

Return breathing rate to baseline.

Front

In which organelle is DNA usually found?

Back

Nucleus.

Front

What does the codon UAA translate into?

Back

STOP.

Front

What phase of mitosis is characterized by the separation of sister chromatids?

Back

Anaphase.

Front

What are the components of a nucleotide?

Back

Sugar, Phosphate, Nitrogen base.

Front

What is the function of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis.

Front

What is the role of the cell membrane?

Back

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

Front

What is the process of mitosis?

Back

Mitosis is the process of cell division that results in two identical daughter cells.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains thymine, while RNA is single-stranded and contains uracil.