1. According to the data in the table, which of these statements is true? a. C and G together compose at least 50% of each of the DNA samples. b. The total amounts of A, T, G, and C in each DNA sample add to about 100%. c. There is always more T than A in each of the DNA samples. d. C is represented in the smallest percentage for each of the DNA samples. 2. Which of these DNA strands would the DNA strand A-T-G-C-C-G-T-T match to? a. G-C-A-T-T-A-C-C b. T-A-C-G-G-C-A-A c. C-G-T-A-A-T-G-G
d. T-T-G-C-C-G-T-A
3. Which of these sequences correctly describes how DNA is copied? a. replication—bonding of bases—separation of strands—base pairing b. separation of strands—bonding of bases—replication—base pairing c. replication—bonding of bases—base pairing—separation of strands d. separation of strands —base pairing—bonding of bases—replication 4. Which of the following is one difference between RNA and DNA? a. RNA's sugar is deoxyribose, while DNA's sugar is ribose. c. RNA and DNA are the same thing. b. RNA is double stranded, and DNA is single stranded. d. RNA hass uracil, while DNA has thymine. 5. Which structure shown in the figure on the left would attract a free cytosine nucleotide? a. Picture A b. Picture B c. Picture C d. Picture D e. None 6. Which structure shown in the figure on the left would attract a free adenine nucleotide? a. Picture A b. Picture B c. Picture C d. Picture D e. None 7. Which picture shows a base by itself: a. Picture A b. Picture B c. Picture C
d. Picture A&B
e. None
8. Which structure on the left does not contain a nitrogenous base? a. Picture A b. Picture B c. Picture C d. Picture D e. None 9. Picture C is a(n): a. Chromosome
b. Nucleotide
c. Base
d. Gene
10. Structure I represents: a. mRNA b. tRNA c. rRNA
d. base
e. amino acid
11. Structure II represents: a. mRNA b. tRNA c. rRNA
d. base
e. amino acid
12. Structure III represents a. amino acid b. gene
c. codon
13. Structure IV represents: a. mRNA b. tRNA c. rRNA
d. DNA molecule
d. base
e. amino acid
14. Which of the structures in this figure above are composed of RNA? a. I and V b. II and IV c. III and IV d. III and V 15. The figure above shows the process called: a. Replication
b. Transcription
16. Where does the process taken place in this figure above take place in a cell: a. Mitochondria b. Nucleus c. On the chromosome d. Ribosome
c. Translation
d. Reproduction
e. Golgi Body
17. Based on the above figure tell what the 1st and 2nd codon and the 1st and 2nd anticodon would be:
Codon 1: _______
Codon 2: _______
Anticodon 1: ______
Anticodon 2: ______
18. Based on your answers to number 17. What amino acid will be coded for by the 1st codon: Amino Acid: ______________________ 19. Based on your answers to number 17. What amino acid will be coded for by the 2nd codon: Amino Acid: ______________________ 20. Based on the chart name the three codons that will cause the entire process to
STOP.
Codon 1: ______
21. This picture shows that:
Codon 2: ______
a. DNA can copy itself b. Is a very long molecule
Codon 3: ______
c. Has base pairs d. Is a double helix
22. Which scientist(s) took this picture of the DNA a. Watson & Crick b. Rosalind Franklin c. Albert Einstein 23. Which scientist discovered the structure of DNA a. Watson & Crick b. Rosalind Franklin c. Albert Einstein
d. Isaac Newton d. Isaac Newton
24. Chargoff’s Rules says that A bases pair with _____ and C bases pair with _____
25. Fill in the two boxes with the appropriate labels: 26. The entire picture is called a(n): ________________ 27. How many of these structures are in a human muscle cell: Answer: ________ 28. In what phase of the cell cycle did this structure convert from a single strand to a double strand: a. G1
b. G2
c. S
29. The bands on this structure represent: ____________
30. Put the following in order from largest to smallest: Chromosome
Nucleotide
Gene
DNA Molecule
d. G3
e. X