Practice Test (#1-50) - For 1st Semester Final

Front

What is the major pigment in chloroplasts that captures light for photosynthesis?

Back

Chlorophyll is the major pigment in chloroplasts that captures light energy for photosynthesis.

Front

What 3 letters do enzymes typically end in?

Back

Enzymes typically end in -ase.

Front

What is the function of nucleic acids?

Back

The function of nucleic acids is to store genetic information.

Front

How does an enzyme speed up a reaction?

Back

An enzyme speeds up a reaction by lowering the activation energy.

Front

What is a dependent variable in an experiment?

Back

A dependent variable is the variable that is measured in an experiment, often affected by the independent variable.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

What is the role of chloroplasts in plant cells?

Back

Chloroplasts are organelles in plant cells that conduct photosynthesis, converting light energy into chemical energy.

Front

What is the difference between DNA and RNA?

Back

DNA stores genetic information, while RNA plays a role in protein synthesis and can act as a messenger.

Front

What is an enzyme?

Back

An enzyme is a biological catalyst that speeds up chemical reactions in living organisms.

Front

What is the significance of the activation energy in a chemical reaction?

Back

Activation energy is the minimum energy required for a chemical reaction to occur.