BIO 200 Exam 1
The most basic unit of life is the:
a. Individual
b. Organelle
c. Cell
d. Atom
e. Molecule - answerc. Cell
Without the input of energy, organized systems will fall apart. This is consistent with:
a. The chemiosmotic model
b. The electron transport model
c. The first law of thermodynamics
d. The second law of thermodynamics
e. The third law of thermodynamics - answerd. The second law of thermodynamics
Which of the following would you NOT expect to see in a prokaryotic cell?
a. Cytoplasm
b. A nucleus
c. DNA
d. A cell membrane
e. Ribosomes - answerb. A nucleus
Where do the oxygen atoms of the O2 produced in photosynthesis come from?
a. Lipids
b. Sunlight
c. CO2
d. Water
e. Glucose - answerd. Water
A chemical reaction in which the products have more energy than the reactants is:
a. Entropic
b. Light-independent
c. Light-dependent
d. Exergonic
e. Endergonic - answere. Endergonic
Which of the following is NOT a type of carbohydrate?
a. Glycogen
b. Starch
c. Cellulose
d. Sugar
e. Unsaturated fat - answere. Unsaturated fat
, The Krebs Cycle occurs:
a. In the intermembrane space b. In the matrix
c. On the thylakoid membrane d. In the stroma
e. In the cytoplasm - answerb. In the matrix
Which of the following is most likely to exist as a negative ion?
a. Sodium (Atomic number 11)
b. Boron (Atomic number 5)
c. Fluorine (Atomic number 9)
d. Carbon (Atomic number 6)
e. Oxygen (Atomic number 8) - answerc. Fluorine (Atomic number 9)
What is the purpose of fermentation?
a. Fermentation produces ATP
b. Fermentation reduces NAD+
c. Fermentation oxidizes NADH
d. Fermentation makes oxygen
e. Fermentation allows the electron transport chain to continue - answerc. Fermentation
oxidizes NADH
If a cell is placed in a hypertonic solution, what will happen to it?
a. It will shrivel as solutes move out of the cell
b. It will swell as solutes move into the cell
c. It will shrivel as water moves out of the cell
d. It will swell as water moves into the cell
e. Nothing will happen, because the membrane is impermeable - answerc. It will shrivel
as water moves out of the cell
The sodium and chloride ions of a salt crystal are joined with what kind of chemical
bond?
a. Hydrogen
b. Peptide
c. Ionic
d. Non-polar covelent
e. Polar covalent - answerc. Ionic
What is the first stage of cellular respiration called?
a. Hydrolysis
b. The light-dependent reactions
c. The Calvin cycle
d. The Krebs cycle
e. Glycolysis - answere. Glycolysis
Which of the following happens in the light-dependent reactions of photosynthesis?
a. NADP+ is reduced
The most basic unit of life is the:
a. Individual
b. Organelle
c. Cell
d. Atom
e. Molecule - answerc. Cell
Without the input of energy, organized systems will fall apart. This is consistent with:
a. The chemiosmotic model
b. The electron transport model
c. The first law of thermodynamics
d. The second law of thermodynamics
e. The third law of thermodynamics - answerd. The second law of thermodynamics
Which of the following would you NOT expect to see in a prokaryotic cell?
a. Cytoplasm
b. A nucleus
c. DNA
d. A cell membrane
e. Ribosomes - answerb. A nucleus
Where do the oxygen atoms of the O2 produced in photosynthesis come from?
a. Lipids
b. Sunlight
c. CO2
d. Water
e. Glucose - answerd. Water
A chemical reaction in which the products have more energy than the reactants is:
a. Entropic
b. Light-independent
c. Light-dependent
d. Exergonic
e. Endergonic - answere. Endergonic
Which of the following is NOT a type of carbohydrate?
a. Glycogen
b. Starch
c. Cellulose
d. Sugar
e. Unsaturated fat - answere. Unsaturated fat
, The Krebs Cycle occurs:
a. In the intermembrane space b. In the matrix
c. On the thylakoid membrane d. In the stroma
e. In the cytoplasm - answerb. In the matrix
Which of the following is most likely to exist as a negative ion?
a. Sodium (Atomic number 11)
b. Boron (Atomic number 5)
c. Fluorine (Atomic number 9)
d. Carbon (Atomic number 6)
e. Oxygen (Atomic number 8) - answerc. Fluorine (Atomic number 9)
What is the purpose of fermentation?
a. Fermentation produces ATP
b. Fermentation reduces NAD+
c. Fermentation oxidizes NADH
d. Fermentation makes oxygen
e. Fermentation allows the electron transport chain to continue - answerc. Fermentation
oxidizes NADH
If a cell is placed in a hypertonic solution, what will happen to it?
a. It will shrivel as solutes move out of the cell
b. It will swell as solutes move into the cell
c. It will shrivel as water moves out of the cell
d. It will swell as water moves into the cell
e. Nothing will happen, because the membrane is impermeable - answerc. It will shrivel
as water moves out of the cell
The sodium and chloride ions of a salt crystal are joined with what kind of chemical
bond?
a. Hydrogen
b. Peptide
c. Ionic
d. Non-polar covelent
e. Polar covalent - answerc. Ionic
What is the first stage of cellular respiration called?
a. Hydrolysis
b. The light-dependent reactions
c. The Calvin cycle
d. The Krebs cycle
e. Glycolysis - answere. Glycolysis
Which of the following happens in the light-dependent reactions of photosynthesis?
a. NADP+ is reduced
