Biology Semester 1 Review

Front

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

Back

Anaphase

Front

What is a substance with a pH of 4 classified as?

Back

An acid

Front

What percentage of energy is typically transferred from one trophic level to the next in an ecosystem?

Back

10%

Front

Which cellular structure is responsible for protein synthesis?

Back

Ribosome

Front

True or False: All living things are composed of cells.

Back

True

Front

What is the primary function of the Golgi apparatus in a cell?

Back

Modifying, sorting, and packaging proteins and lipids for secretion or delivery to other organelles.

Front

What is the basic unit of life?

Back

Cell

Front

What is the role of mitochondria in a cell?

Back

Mitochondria are the powerhouse of the cell, generating ATP through cellular respiration.

Front

Define homeostasis.

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

Front

What is the function of chloroplasts in plant cells?

Back

Chloroplasts are responsible for photosynthesis, converting light energy into chemical energy.