BI 121 Exam 1 - GRCC (Forbes) Questions With Complete
Solutions
(Integral) Protein Channels Correct Answers For substances not
soluble in lipids (polar)
e.g., H2O, Na+, Cl-
0.9% Correct Answers What is the set point of salinity?
1. H2O-based chemistry
2. Metabolism
3. Absorption from environment
4. Growth
5. Repair
6. Capacity for independent reproduction
7. Circulation
8. Excretion
9. Environmental interaction/adaption
10. Movement
11. Cellular structure
12. Chemical uniqueness Correct Answers Properties of Life:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
,11.
12.
1. Molecules (solutes and water) move from an area of higher to
lower concentration
2. Osmosis will always occur (even when diffusion can't occur)
Correct Answers What are the rules of Passive Membrane
Transport?
1. Nucleic Acids
2. Proteins
3. Carbohydrates
4. Lipids Correct Answers What are the biological
macromolecules?
1.
2.
3.
4.
1. RNA
2. DNA Correct Answers What are the forms of nucleic acids
(polynucleotides)?
1. Solvent
2. Solute Correct Answers What is a solution composed of?
1. Structural
2. Contractile
3. Storage
4. Defensive
5. Transport
, 6. Signal
7. Enzyme Correct Answers What are the protein functional
classes?
1.
2.
3.
4.
5.
6.
7.
1. Temperature
2. Molecule size
3. Membrane permeability
4. Concentration Gradient
5. Polarity Correct Answers What are the factors that affect the
rates of diffusion?
1. The cell is the basic living unit of organization
2. All organisms are composed of one or more cells
3. All cells arise from pre-existing cells Correct Answers What
is the Cell Theory?
37*C; 98.6*F Correct Answers What is the set point for
temperature?
A + B ----------> AB Correct Answers Synthesis Reaction
A. Universal(ish) solvent
B. Water molecules are cohesive - they stick to each other
Solutions
(Integral) Protein Channels Correct Answers For substances not
soluble in lipids (polar)
e.g., H2O, Na+, Cl-
0.9% Correct Answers What is the set point of salinity?
1. H2O-based chemistry
2. Metabolism
3. Absorption from environment
4. Growth
5. Repair
6. Capacity for independent reproduction
7. Circulation
8. Excretion
9. Environmental interaction/adaption
10. Movement
11. Cellular structure
12. Chemical uniqueness Correct Answers Properties of Life:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
,11.
12.
1. Molecules (solutes and water) move from an area of higher to
lower concentration
2. Osmosis will always occur (even when diffusion can't occur)
Correct Answers What are the rules of Passive Membrane
Transport?
1. Nucleic Acids
2. Proteins
3. Carbohydrates
4. Lipids Correct Answers What are the biological
macromolecules?
1.
2.
3.
4.
1. RNA
2. DNA Correct Answers What are the forms of nucleic acids
(polynucleotides)?
1. Solvent
2. Solute Correct Answers What is a solution composed of?
1. Structural
2. Contractile
3. Storage
4. Defensive
5. Transport
, 6. Signal
7. Enzyme Correct Answers What are the protein functional
classes?
1.
2.
3.
4.
5.
6.
7.
1. Temperature
2. Molecule size
3. Membrane permeability
4. Concentration Gradient
5. Polarity Correct Answers What are the factors that affect the
rates of diffusion?
1. The cell is the basic living unit of organization
2. All organisms are composed of one or more cells
3. All cells arise from pre-existing cells Correct Answers What
is the Cell Theory?
37*C; 98.6*F Correct Answers What is the set point for
temperature?
A + B ----------> AB Correct Answers Synthesis Reaction
A. Universal(ish) solvent
B. Water molecules are cohesive - they stick to each other
