Chapter 5 SRQs
Part A page 101
2. A diploid human cell contains:
a. 23 chromosomes
b. 23 pairs of chromosomes
d. 46 pairs of chromosomes
e. both A and D
c. 46 chromosomes
f. both B and C
3. List the three stages of the cell cycle in proper order.
11. Gametes are produced by:
a. mitosis
b. respiration
c. meiosis
d. asexual reproduction
Part B page 107
2. What is the process in which DNA is duplicated?
4. List three differences between DNA and RNA.
7. Proteins are made of:
a. nucleotides
b. amino acids
c. codons
d. nucleic acids
Sorting the Data pages 109-110
1.What is a gene?
2. (True/false) If there is a gene for eye color on one chromosome of a pair, then the other
chromosome of that pair also contains a gene for eye color.
4. In which phase of mitosis do the sister chromatids separate into two different
chromosomes?
5. How do the daughter chromosomes reach opposite ends of the cell during mitosis?
a. The negative charge of the DNA molecule propels them toward the sides of the cell
b. The spindle fibers move them toward the ends of the cell.
c. A tRNA molecule carries them to opposite ends of the cell.
d. The cell uses its cilia or flagella to move the chromosomes to the proper place.
6. What type of asexual reproduction occurs in yeast formation?
7. Sea anemones can produce completely new organisms by regeneration. Are these new
organisms genetically identical to the parents? Why or why not?
8. What is the purpose of meiosis?
a. to produce a zygote
b. to produce cells that have only one copy of each chromosome
c. to allow for asexual reproduction in a unicellular organism
d. to produce diploid gametes
9. How many chromosomes would a haploid human cell contain?
a. 23
b. 23 pairs
c. 46
d. 46 pairs
10. (True/False) Sexual reproduction results in offspring that are different from the
parents.
11. The diploid cell formed when an egg and a sperm combine is called a(n) __________________
12. What are the three parts of a nucleotide?
13. Who proposed the ‘twisted ladder” model of DNA structure?
14. In DNA, what base airs with guanine?
15. The process where one DNA molecule forms two identical DNA molecules is _____________
16. In RNA, what base bonds with adenine?
17. What is the function of tRNA?
18. A codon codes for:
a. an amino acid
b. a protein
c. a nucleic acid
d. a base
Analyzing the Data page 111
26. The gamests of a rabbit contain 22 chromosomes. How many chromosomes would be
in a rabbit zygote?
a. 11
b. 22
c. 44
d. 88