Which molecule provides the activation energy that starts glycolysis? (Not which molecule is broken down during glycolysis)(1 point)

Question

Responses
.
carbon dioxide
carbon dioxide

ATP
ATP

water
water

sugar

Answer 1

The molecule that provides the activation energy to start glycolysis is ATP.

Answer 2

During which phase of cellular respiration is carbon dioxide released?(1 point)
Responses

electron transport chain
electron transport chain

Kreb's Cycle
Kreb's Cycle

glycolysis
glycolysis

digestion

Answer 3

Carbon dioxide is released during the Kreb's Cycle.

Answer 4

How many oxygen molecules are required for two glucose molecules to undergo cellular respiration?(1 point)
Responses

12
12

18
18

6
6

2

Answer 5

For two glucose molecules to undergo cellular respiration, 12 oxygen molecules are required.

The balanced equation for the cellular respiration of glucose (C₆H₁₂O₆) is: \[ C₆H₁₂O₆ + 6O₂ \rightarrow 6CO₂ + 6H₂O \]

Since this reaction involves one glucose molecule and requires 6 oxygen molecules, two glucose molecules would require: \[ 2 \times 6 = 12 \text{ oxygen molecules} \]

Answer 6

A diagram representing the relationship between photosynthesis and cellular respiration is shown below. What do the labels ("1" at the top and "2" at the bottom) represent?

(1 point)
Responses

1-water; 2-nitrogen
1-water; 2-nitrogen

1-oxygen; 2-carbon dioxide
1-oxygen; 2-carbon dioxide

1-carbon dioxide; 2-water
1-carbon dioxide; 2-water

1-nitrogen; 2-oxygen

Answer 7

Based on the typical relationship between photosynthesis and cellular respiration, the labels likely represent:

1-oxygen; 2-carbon dioxide

In photosynthesis, plants take in carbon dioxide and release oxygen, while in cellular respiration, organisms take in oxygen and release carbon dioxide.

Answer 8

What is the correct order of the steps of cellular respiration? Click and drag from the three black lines into the correct order, with the first step at the top and last step at the bottom.

Krebs cycle
Glycolysis
Electron Trainsport train

Answer 9

The correct order of the steps of cellular respiration is:

1. Glycolysis
2. Krebs cycle
3. Electron Transport Chain

So it should look like this:

1. Glycolysis
2. Krebs cycle
3. Electron Transport Chain

Answer 10

Choose whether the following molecules are reactants or products in the process of cellular respiration.(2 points)
Reactants Products
ATP Energy

Oxygen

Carbon dioxide

Glucose

Answer 11

Here’s the classification of the molecules in the process of cellular respiration:

Reactants:

• Oxygen
• Glucose

Products:

• ATP Energy
• Carbon dioxide

So the table would look like this:

| Molecule | Reactants | Products | |-------------------|------------|------------| | ATP Energy | | ✔️ | | Oxygen | ✔️ | | | Carbon dioxide | | ✔️ | | Glucose | ✔️ | |