11sci_cells and cell processesBiology Basics Quiz

Front

Main function of enzymes in biological reactions?

Back

Act as a catalyst to speed up reactions.

Front

Effect of denaturation on enzymes

Back

Enzymes change shape and lose function.

Front

Organelle responsible for photosynthesis in plant cells?

Back

Chloroplast

Front

Role of large vacuole in plant cells?

Back

Provides support and strength.

Front

Diffusion: Movement of particles from high to low concentration.

Back

Not: Movement of water across a membrane, energy across a membrane, or from low to high concentration.

Front

Main purpose of the cell wall in plant cells?

Back

Provides protection and support.

Front

Function of guard cells in leaves?

Back

Allow gas exchange.

Front

Role of DNA in cells?

Back

Carries genetic information.

Front

Optimal enzyme temperature in the human body?

Back

Around body temperature.

Front

Main function of the palisade layer in leaves?

Back

Conducts photosynthesis.