Can someone help with 2 homework problems?

7. Which of the following describes the basic function of a coenzyme

A. Attaches to RNA to assist in the synthesis of an enzyme
B. Attaches to cell membranes to assist in uptake of an enzyme
C. Attaches to an enzyme and allows a chemical reaction to take place
D. Attaches to an enzyme which allows for transport through the circulation

8. What is the primary mechanism associated with the role of fluoride in prevention of dental caries?

A. Fluoride increases calcium absorption which increases crystal formation of teeth
B. Decay is inhibited due to neutralization of organic acids produced by bacteria on the teeth.
C. Decay is reduced due to the inhibitory effects of fluoride on growth of bacteria on the teeth.
D. Fluoride becomes incorporated into the crystalline structure of teeth making them less susceptible to decay

7 c
Coenzyme is basically a secondary helper. Think of it like a 2nd pair of hands on a person. You can do more work.

8 d
Fluoride replaces hydroxide ions in calcium hydroxyapatite in teeth, which makes it harder and more resistant to acids.

Tags

　　Dermatitis 　　Depression 　　Dentures 　　Dentistry 　　Dental Sealants 　　Dental Health 　　Dental Caries 　　Dengue 　　Dementia 　　Dehydration 　　Degenerative Nerve Diseases 　　Degenerative Joint Disease 　　Deep Vein Thrombosis

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