Science 9 ANSWER KEY TO CHAPTER 4 AND 5.1 REVIEW
Page 59
1. DNA is made up of repeating nucleotides, each consisting of a phosphate, a sugar and a base.
2. nucleus
3. DNA
4. chromosomes
5. genes
a. gene
b. DNA
c. chromosome
d. nucleus
Page 58
1. nucleus
2. DNA, molecule
3. DNA, genetic
4. chromosomes
5. number
6. 46, 23
7. genes
8. molecule
9. ribosomes, nucleolus
Page 60
1. False, the nucleus
2. T
3. T
4. False, 23 pairs
5. False, one pair of chromosomes
6. T
7. T
8. False, genes are found on chromosomes
Page 61
1. G
2. C
3. A
4. F
5. B
6. D
7. A
8. you don’t need to know this
9. D
10. A
11. D
12. D
