BISC 160: Exam 1 || Faultless Answers 100%.
1. which component of eukaryotic cells is a major site of protein synthesis?
A. plasma membrane
B. rough endoplasmic reticulum
C. golgi apparatus
D. nucleolus
E. smooth endoplasmic reticulum correct answers B. rough endoplasmic reticulum
2. The sodium potassium pump:
A. relies on diffusion to move Na+ ions into the cell
B. relies on diffusion to move Na+ ions out of the cell
C. uses ATP to move Na+ ions into the cell
D. uses ATP to move K+ ions out of the cell
E. uses ATP to move Na+ ions out of the cell correct answers E. uses ATP to move Na+ ions out
of the cell
3. Each line between atoms in the diagram below indicates:
A. two shared electrons between carbon and hydrogen
B. a hydrogen bond between carbon and hydrogen
C. a shared electron between carbon and hydrogen
D. two hydrogen bonds between carbon and hydrogen
E. two electrons in a polar covalent bond correct answers B. a hydrogen bond between carbon
and hydrogen
4. Scientists from NASA discover an unusual item in a meteor. Which of the following properties
would help prove that this item is not a living thing?
A. it contains proteins, lipids, and carbohydrates
, B. it is not made out of cells
C. It is able to extract energy from the environment
D. A and B, but not C
E. A, B, and C correct answers B. it is not made out of cells
7. You are a research chemist who has identified a new element. Atoms of this element contain
160 protons. You can therefore predict that atoms of the elements must also have:
A. 160 electrons and 160 neutrons
B. 60 electrons and 80 neutrons
C. 160 electrons and 80 neutrons
D. 80 neutrons and an unknown number of electrons
E. 160 electrons and an unknown number of neutrons correct answers E. 160 electrons and
unknown number of neutrons
8. the reactions that release water during the formation of biological macromolecules are called:
A. hydrolysis reactions
B. hydration reactions
C. polar reactions
D. condensation reactions
E. electronegative interactions correct answers D. condensation reactions
9. a section of DNA is separated into its components and found to contain 140 adenine bases and
120 cytosine bases. From this information we also know that the DNA contains:
A. 70 thymine bases and 60 guanine bases
B. 70 uracil bases and 60 guanine bases
C. 140 guanine bases and 120 adenine bases
D. 140 uracil bases and 120 guanine bases
1. which component of eukaryotic cells is a major site of protein synthesis?
A. plasma membrane
B. rough endoplasmic reticulum
C. golgi apparatus
D. nucleolus
E. smooth endoplasmic reticulum correct answers B. rough endoplasmic reticulum
2. The sodium potassium pump:
A. relies on diffusion to move Na+ ions into the cell
B. relies on diffusion to move Na+ ions out of the cell
C. uses ATP to move Na+ ions into the cell
D. uses ATP to move K+ ions out of the cell
E. uses ATP to move Na+ ions out of the cell correct answers E. uses ATP to move Na+ ions out
of the cell
3. Each line between atoms in the diagram below indicates:
A. two shared electrons between carbon and hydrogen
B. a hydrogen bond between carbon and hydrogen
C. a shared electron between carbon and hydrogen
D. two hydrogen bonds between carbon and hydrogen
E. two electrons in a polar covalent bond correct answers B. a hydrogen bond between carbon
and hydrogen
4. Scientists from NASA discover an unusual item in a meteor. Which of the following properties
would help prove that this item is not a living thing?
A. it contains proteins, lipids, and carbohydrates
, B. it is not made out of cells
C. It is able to extract energy from the environment
D. A and B, but not C
E. A, B, and C correct answers B. it is not made out of cells
7. You are a research chemist who has identified a new element. Atoms of this element contain
160 protons. You can therefore predict that atoms of the elements must also have:
A. 160 electrons and 160 neutrons
B. 60 electrons and 80 neutrons
C. 160 electrons and 80 neutrons
D. 80 neutrons and an unknown number of electrons
E. 160 electrons and an unknown number of neutrons correct answers E. 160 electrons and
unknown number of neutrons
8. the reactions that release water during the formation of biological macromolecules are called:
A. hydrolysis reactions
B. hydration reactions
C. polar reactions
D. condensation reactions
E. electronegative interactions correct answers D. condensation reactions
9. a section of DNA is separated into its components and found to contain 140 adenine bases and
120 cytosine bases. From this information we also know that the DNA contains:
A. 70 thymine bases and 60 guanine bases
B. 70 uracil bases and 60 guanine bases
C. 140 guanine bases and 120 adenine bases
D. 140 uracil bases and 120 guanine bases
