Exam Review Unit 2/3 22

Front

What is a substrate in a biochemical reaction?

Back

A substrate is a substance on which an enzyme acts during a biochemical reaction.

Front

What is a common ancestor?

Back

A common ancestor is the most recent ancestral form or species from which two different species evolved.

Front

What is the overall purpose of photosynthesis?

Back

The overall purpose of photosynthesis is to use energy from the sun to produce food for the plant.

Front

What is primary succession?

Back

Primary succession is the process of ecological change that occurs in an area where no soil exists, such as after a glacier retreats.

Front

What are lipids made of?

Back

Lipids are made of carbon (C), hydrogen (H), and oxygen (O).

Front

What is an enzyme?

Back

An enzyme is a protein that acts as a catalyst to speed up biochemical reactions.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll is a pigment in plants that absorbs sunlight, allowing photosynthesis to occur.

Front

What is the difference between a product and a substrate in a chemical reaction?

Back

A substrate is the starting material that undergoes a reaction, while a product is the substance formed as a result of the reaction.

Front

What is ecological succession?

Back

Ecological succession is the process by which ecosystems change and develop over time.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity contributes to the resilience and stability of ecosystems, allowing them to adapt to changes.