Honors Biology Study Guide Answer Key:
Unit 2: Population Ecology
1a. Birth rate exceeds death rate
2. a 3. c 4. d
1b. Birth rate and death rate are equal.
Unit 3: The Chemistry of Life
1a. substrate 1b. enzyme 1c. products 2. d 3. b
4.
5a. activation energy without an enzyme
5c. overall reaction energy change
Unit 4: Structure and Function of Cells
1. d 2. a 3. b 4. d 5. b
6 a. mitochondria
6 b. nucleus
6 c. nucleolus
6 d. golgi body/appartus
6 e. endoplasmic reticulum
6 f. ribosome
5b. activation energy with an enzyme
7 a. endoplasmic reticulum
7 b. cell wall
7 c. central vacuole
7 d. nucleus or nuclear envelope
7 e. nucleolus or DNA
7 f. mitochondria
7 g. ribosome
7 h. chloroplast
7 i. rough ER

Unit 5: Photosynthesis and Respiration
1. a 2. a 3. d 4. c 5. a
6. Photosynthesis: 6CO
2
+ 6H
2
O + Energy  6O
2
+ C
6
H
12
O
6
6 carbon dioxide molecules plus six water molecules plus energy (solar energy) yields 6 oxygen molecules and one water molecule.
Respiration: 6O
2
+ C
6
H
12
O
6
 6CO
2
+ 6H
2
O + Energy
6 oxygen molecules plus one glucose molecules yields 6 carbon dioxide molecules plus six water molecules and energy (ATP energy)
Unit 6: DNA, Protein Synthesis, and Biotechnology
1. c 2. a 3. b 4. b 5. b 6. d 7. b 8. a
Unit 7: Cell Division and Sexual Reproduction
1. d 2. c 3. b 4. d 5. a 6. d 7. A
8a. telophase and cytokinesis
8b. metaphase
8c. prophase
8d. anaphase
Unit 8: Genetics
1. a 2. d 3. b 4. c 5. c 6. b 7. a 8. d
9. 50% horns, 50% no horns; 50% heterozygous, 50% homozygous recessive
10a. Type O blood
10b. A, AB, B, or O – assuming that both parents are heterozygous
10c. Assuming both parents are heterozygous, no, he is not correct; the child could be his.
11-1. ff 11b. Ff 11c. Ff 11d. FF 11e. Sam, Daniel, Alan
Unit 9: Evolution
1. a 2. d 3. c 4. b 5. c 6. b 7. c 8. a 9. b
10. The pattern of bones indicates that they share a gene that determines how the bones are organized in the limb. Whales, rats, and humans must have inherited this gene from a common ancestor.

Unit 10: Diversity of the Biosphere
1. c
2a. species
2b. genus
2c. order
2d. family
3a. 3 & 4 3b. D 3c. G
Unit 11: Microorganisms and the Immune System
2e. class
2f. phylum
2g. kingdom
2h. domain
1. d 2. c 3. a 4. a (or specific immunity)
9a. bacillus 9b. coccus
10a. insensitive – no zone of inhibition
10b. moderately sensitive – small zone of inhibition
10c. insensitive – no zone of inhibition
5. c 6. d
9c. spirochete
7. a
10d. very sensitive – large zone of inhibition
11a. cell wall 11b. nucleoid/DNA 11c. cell membrane 11d. ribosome
Unit 12: Ecology
8. b
9d. streptococcus
1. c 2. d 3. b 4. a
5. Algae – producers
Krill – primary consumers
Cod – secondary consumers
Leopard seal – tertiary consumers
Killer whale – quaternary consumers
6a. yes
6b. no
6c. yes
6d. no
6e. no
6f. yes