SAT Biology E/M Subject Test
Questions 1-3 refer to the following.
D. Nitrogen fixation
1. This process converts electromagnetic energy to chemical potential energy.
2. This process breaks a triple bond.
3. This process produces ammonia.
Questions 4-5 refer to the following.
A. Carrying capacity
B. Population density
C. Limiting factor
Questions 9-11 refer to the following.
A. Golgi body
D. Endoplasmic reticulum
9. This organelle contains enzymes that synthesize lipids and hormones.
10. This organelle is present in prokaryotes.
11. This organelle is responsible for the production of ATP.
Questions 12-14 refer to the following.
A. Artificial selection
B. Directional selection
C. Disruptive selection
D. Neutral selection
E. Stabilizing selection
12. The type of selection that results when heterozygous individuals have lower fitness than homozygous individuals
13. The type of selection that reduces the phenotypic variation in a population
14. The type of selection that results in a shift in the mean of a continuous phenotype, such as size or length
Questions 15-17 refer to the following.
15. Members of this clade have pharyngeal slits at some point in development.
16. Members of this clade lack differentiated tissues.
17. Members of this clade have radial symmetry.
Questions 18-20 refer to the following.
A. Enteric nervous system
B. Somatic nervous system
C. Peripheral nervous system
D. Parasympathetic division
E. Sympathetic division
18. The motor neurons that enervate skeletal muscle are part of this system.
19. Activation of this system slows the heart rate, constricts the pupils, and stimulates pancreatic activity.
20. The human nervous system is divided into two major categories; one is the central nervous system and the other is this.
21. Which of these refers to an individual’s ability to pass on its phenotype to future generations?
C. Limited environmental resources
D. Overproduction of offspring
E. Phenotypic variation