VCS Biology _ Unit 1_ Macromolecules & Enzymes

VCS Biology _ Unit 1_ Macromolecules & Enzymes

Assessment

Flashcard

Biology

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What are macromolecules?

Back

Large, complex molecules essential for life, including carbohydrates, proteins, lipids, and nucleic acids.

2.

FLASHCARD QUESTION

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions by lowering the activation energy required.

3.

FLASHCARD QUESTION

Front

What is activation energy?

Back

The minimum energy required for a chemical reaction to occur.

4.

FLASHCARD QUESTION

Front

At what pH level is the enzyme pepsin most active?

Back

Pepsin is most active at a pH of around 1.5 to 2.

5.

FLASHCARD QUESTION

Front

What is the primary function of carbohydrates?

Back

To provide quick energy for the body.

6.

FLASHCARD QUESTION

Front

What are lipids primarily used for?

Back

Lipids are used for long-term energy storage and insulation.

7.

FLASHCARD QUESTION

Front

What is the difference between saturated and unsaturated fats?

Back

Saturated fats have no double bonds between carbon atoms, while unsaturated fats have one or more double bonds.

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