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Macromolecules And Enzymes PART 2 Review
Test Description: Use this to study!
Instructions: Answer all questions to get your test result.
1) 10. What elements do all organic molecules contain?
A
Carbon
B
Nitrogen
C
Phosphorus
D
Calcium
2) 12. What is a function of enzymes?
A
filters out waste produces
B
slows down chemical reactions in your body so they don't happen too fast
C
speeds up chemical reactions in your body to break a part and rearrange molecules
D
helps you think better
3) 14. Which property of water gives water molecules a positively and negatively charged end and gives water ALL of its other properties?
A
universal solvent
B
cohesion
C
adhesion
D
polarity
4) 14. which property of water occurs when water molecules stick to other water molecules?
A
polarity
B
adhesion
C
universal solvent
D
cohesion
5) 14. which property of water occurs when water molecules stick to other molecules that are not water?
A
polarity
B
adhesion
C
universal solvent
D
cohesion
6) 14. which property of water results in water being able to dissolve more substances than any other liquid?
A
cohesion
B
polarity
C
universal solvent
D
adhesion
7) 11. What type of macromolecule is an enzyme?
A
carbohydrate
B
nucleic acid
C
lipid
D
protein
8) 13. What happens to a protein when it becomes denatured and how does it affect is function?
A
It keeps its structures and functions better
B
It loses its structure and can function better
C
It keeps its structure and loses its function
D
It loses its structure and cannot function properly
9) 9. Which of the following is an example of a monosaccharide?
A
glucose
B
complex carbohydrates
C
cellulose
D
starch
10) 7. Which type of fat is better for your health and why?
A
unsaturated because its a solid at room temperature
B
unsaturated because its a liquid at room temperature
C
saturated because its a liquid at room temperature
D
saturated because its a solid at room temperature
11) 6. Which two are examples of nucleic acids?
A
DNA, proteins
B
RNA, fat
C
DNA, RNA
D
fats, nucleotides
12) 5. Which of the following is not matched correctly?
A
lipids = oil
B
proteins = meat
C
nucleic acids = cheese
D
carbohydrates = fruit
*select an answer for all questions
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