Answer:
1. All of the following are functions of proteins EXCEPT
a. cells
b. amino acids
c. ascorbic acid
d. enzyme
3. Which one of the chemical substances is not in DNA (deoxyribonucleicacid)?
a. guanine
b. cytosine
c. adenine
d. thyroxine
4. What is the usual number of chromosomes in humans?
a. 48
c. 47
b. 46
d. 50
5. Hemoglobin in the blood is an example of a
a. globular protein
b. derived protein
c. fibrous protein
d. simple protein
6. Protein synthesis leads to a number of chemical reactions, summarized in two steps called
a. relation and transfer
b. transcription and translation
c. translation and transcription
d. transfer and concentration
7. Mutation can be defined as
a. change especially genetic
b. usual composition of matter
c. good or bad changes in cells
d. long-term change in matter
8. DNA stands for
a. dihydroyxylribonucleus actin
b. deonuclear acid
c. dihybrid natural amplification
d. deoxyribonucleic acid
9. In humans, mutations can be the result of.
a. racial discrimination
b. political intervention
c. x-ray exposure
d. migration pattern
10. There are three different types of RNA, and they are
a. bRNA, tRNA, and mRNA
b. mRNA, rRNA, and tRNA
c. CRNA, mRNA, and rRNA
d. dRNA, DNA, and tRNA
Explanation:
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