Regents Review #3: Life Processes and Biochemistry

Front

What are enzymes?

Back

Enzymes are proteins that act as catalysts to speed up chemical reactions in the body.

Front

What does the pancreas release when blood sugar is too low?

Back

The pancreas releases glucagon when blood sugar is too low.

Front

How does the liver releasing glucose affect blood sugar levels?

Back

When the liver releases glucose, blood sugar levels increase.

Front

What are the openings found at the bottom of a leaf called?

Back

The openings at the bottom of a leaf are known as stomata (stomates).

Front

How do hormones cause specific effects in the body?

Back

Hormones cause specific effects by targeting specific groups of cells in the body.

Front

What is the primary function of enzymes in biological processes?

Back

The primary function of enzymes is to lower the activation energy of chemical reactions, facilitating faster reactions.

Front

What is glucagon and its role in blood sugar regulation?

Back

Glucagon is a hormone produced by the pancreas that raises blood sugar levels by promoting the release of glucose from the liver.

Front

What is the role of stomata in plants?

Back

Stomata are small openings on the leaf surface that allow for gas exchange, including the intake of carbon dioxide and the release of oxygen.

Front

What is the difference between glucagon and insulin?

Back

Glucagon raises blood sugar levels, while insulin lowers blood sugar levels.

Front

What are the main types of macromolecules in living organisms?

Back

The main types of macromolecules are proteins, carbohydrates, lipids, and nucleic acids.