twenty questions subject: metabolism and nutrition

Twenty Questions

Subject: Metabolism and Nutrition

Twenty Questions

1 2 3 4 5

6 7 8 9 10

11 12 13 14 15

16 17 18 19 20

1. In the digestion of fats lab,what substance acted as a coenzyme?

Bile

2. Which of the following is an anabolic process?A. HydrolysisB. Dehydration synthesisC. DecompositionD. Anaerobic respiration

B. Dehydration synthesis

3. When our cells go through anaerobic respiration, what is the byproduct?

Lactic acid

4. The process by which cells break down and release energy is called…

Cellular respiration.

5. Aerobic respiration takes place in the:

Mitochondria.

6.The molecule that an enzyme reacts with is called….

A Substrate

7. In the digestion of fats lab, what effect did 100 degrees Celcius have on the enzyme?

It denatured the enzyme and made it inactive.

8.The estimated daily amount of carbohydrate needed to avoid utilization of fats and proteins for energy sources is :

125-175 grams

9. Which of the following is not part of adenosine diphosphate?A. AdenineB. RiboseC. GlucoseD. 2 Phosphate groups

C. Glucose

10. Which term would be used to describe the synthesis of cellular protein?

Anabolism.

11.Hydrolysis of starch to glucose is what type of areaction?

Catabolism

12. What is the function of enzymes in chemical reactions?

Lower the amount of activation energy needed to start a chemical reaction.

13. How many essential amino acids must you obtain from your diet?

8

14. The American Heart Association recommends that dietary fat should constitute no more than _________% of daily caloric intake.

30.

15. List in the correct order the series of steps that describe cellular respiration.

Glycolysis, citric acid cycle, electron transport chain.

16. When do cells store energy?A. The third phosphate group breaks off from the ATP molecule.B. Sucrose is broken down into glucose and fructoseC. A third phosphate group is bonded to an ADP moleculeD. Ions are released into the bloodstream.

C.

17. The sequence of enzyme controlled reactions that lead to the build up or breakdown of materials is called….

A metabolic pathway

18.Energy for the cell’s use is released when ATP gives up a phosphate forming…

ADP and P(phosphate group)

19.The higher the concentration of an enzyme, the...

Higher the enzyme activity.

20. Cellular respiration:A. Produces glucose in plantsB. Produces less energy than it usesC. Occurs twelve hours a dayD. Forms ATP from ADP

D