AICE BIOLOGY MID TERM

AICE BIOLOGY MID TERM

Assessment

Flashcard

Biology

12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is osmosis?

Back

The diffusion of water molecules through a semipermeable membrane.

2.

FLASHCARD QUESTION

Front

What is transduction in cell signaling?

Back

The process of converting a signal into a form the cell can respond to.

3.

FLASHCARD QUESTION

Front

What is the induced-fit hypothesis?

Back

The enzyme changes shape slightly to fit the substrate perfectly.

4.

FLASHCARD QUESTION

Front

What is competitive inhibition?

Back

When a molecule binds to the enzyme’s active site and blocks the substrate.

5.

FLASHCARD QUESTION

Front

What role does cholesterol play in cell membranes?

Back

It helps reduce the fluidity of the membrane.

6.

FLASHCARD QUESTION

Front

What is diffusion?

Back

The movement of molecules from an area of higher concentration to an area of lower concentration.

7.

FLASHCARD QUESTION

Front

What is active transport?

Back

The movement of molecules across a membrane against their concentration gradient, requiring energy.

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