Question

During cellular respiration, the covalent bonds of a molecule are broken down to make products. Which molecule is broken down?(1 point)
Responses

sugar
sugar

carbon dioxide
carbon dioxide

ADP
ADP

water
During cellular respiration, four total ATP are produced when pyruvic acid is created. What else is produced as a result of this reaction?(1 point)
Responses

water
water

oxygen
oxygen

heat
heat

sugar
Why does hydrogen bond so tightly to oxygen during cellular respiration?(1 point)
Responses

It is less electronegative than oxygen.
It is less electronegative than oxygen.

It is electronegative, but oxygen is not.
It is electronegative, but oxygen is not.

It is more electronegative than oxygen.
It is more electronegative than oxygen.

It is not electronegative, but oxygen is.
Identify the byproduct of lactic acid fermentation.(1 point)
Responses

pyruvic acid
pyruvic acid

oxygen
oxygen

carbon dioxide
carbon dioxide

lactic acid
When a reaction releases more energy than it uses, it is called(1 point)
Responses

catalyst
catalyst

emeritus
emeritus

exothermic
exothermic

lactic

Answer 1

Here are the responses to your questions:

1. **Which molecule is broken down during cellular respiration?**
- **Response:** sugar

2. **What else is produced as a result of the reaction when pyruvic acid is created?**
- **Response:** water

3. **Why does hydrogen bond so tightly to oxygen during cellular respiration?**
- **Response:** It is not electronegative, but oxygen is.

4. **Identify the byproduct of lactic acid fermentation.**
- **Response:** lactic acid

5. **When a reaction releases more energy than it uses, it is called:**
- **Response:** exothermic

If you have any more questions or need further clarification, feel free to ask!