Understanding Coupled Reactions in Biology

Understanding Coupled Reactions in Biology

Assessment

Interactive Video

Biology, Science

9th - 12th Grade

Hard

Created by

Emma Peterson

FREE Resource

Mr. Anderson explains the concept of coupled reactions in biology, using analogies like a water wheel to illustrate how energy is transferred and utilized. He discusses the breakdown of ATP and its role in powering biological processes, highlighting examples in photosynthesis and cellular respiration. The video also covers redox reactions, emphasizing the transfer of electrons and energy. Key concepts include the coupling of exergonic and endergonic reactions, and the importance of understanding thermodynamics in biological systems.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What analogy is used to explain coupled reactions in biology?

A solar panel

A car engine

A wind turbine

A water wheel

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary role of ATP in biological systems?

To transport oxygen

To act as a structural component

To store genetic information

To serve as a rechargeable energy source

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the Calvin cycle, ATP is broken down into which molecule?

AMP

ADP

G3P

NADPH

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During glycolysis, glucose is broken down into which compound?

Pyruvate

Lactate

Acetyl CoA

Ethanol

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main purpose of the sodium-potassium pump in nerve cells?

To synthesize proteins

To establish a gradient

To break down glucose

To generate ATP

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a redox reaction primarily concerned with?

The transfer of protons

The transfer of electrons

The synthesis of proteins

The breakdown of lipids

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a redox reaction, what does the term 'oxidation' refer to?

Losing protons

Gaining protons

Losing electrons

Gaining electrons

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