Macromolecules And Enzymes PART 2 Review Question Preview (ID: 34405)


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10. What elements do all organic molecules contain?
a) Nitrogen
b) Carbon
c) Calcium
d) Phosphorus

12. What is a function of enzymes?
a) speeds up chemical reactions in your body to break a part and rearrange molecules
b) slows down chemical reactions in your body so they don't happen too fast
c) helps you think better
d) filters out waste produces

14. Which property of water gives water molecules a positively and negatively charged end and gives water ALL of its other properties?
a) cohesion
b) adhesion
c) universal solvent
d) polarity

14. which property of water occurs when water molecules stick to other water molecules?
a) adhesion
b) cohesion
c) polarity
d) universal solvent

14. which property of water occurs when water molecules stick to other molecules that are not water?
a) adhesion
b) cohesion
c) universal solvent
d) polarity

14. which property of water results in water being able to dissolve more substances than any other liquid?
a) cohesion
b) adhesion
c) polarity
d) universal solvent

11. What type of macromolecule is an enzyme?
a) lipid
b) nucleic acid
c) carbohydrate
d) protein

13. What happens to a protein when it becomes denatured and how does it affect is function?
a) It loses its structure and cannot function properly
b) It loses its structure and can function better
c) It keeps its structure and loses its function
d) It keeps its structures and functions better

9. Which of the following is an example of a monosaccharide?
a) glucose
b) starch
c) complex carbohydrates
d) cellulose

7. Which type of fat is better for your health and why?
a) saturated because its a liquid at room temperature
b) unsaturated because its a solid at room temperature
c) saturated because its a solid at room temperature
d) unsaturated because its a liquid at room temperature

5. Which of the following is not matched correctly?
a) proteins = meat
b) lipids = oil
c) carbohydrates = fruit
d) nucleic acids = cheese

6. Which two are examples of nucleic acids?
a) DNA, proteins
b) DNA, RNA
c) RNA, fat
d) fats, nucleotides

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