Cellular transport
Which type of transport does not require energy and flows down the gradient?
A. Active Transport
B. Passive Transport
C. Bulk Transport
D. Secondary Active Transport
B. Passive Transport
I am trying to make maltose from glucose + glucose, what type of reaction would I need?
A. Anabolism, requires energy
B. Catabolism, releases energy
C. Anabolism, releases energy
D. Catabolism, requires energy
A. Anabolism, requires energy
What is the third step in cellular respiration?
A. Electrons transport chain
B. Citric acid cycle
C. Pyruvate oxidation
D. Glycolysis
B. Citric acid cycle
What is the name of the step that happens before the citric acid cycle?
A. Electrons transport chain
B. Citric acid cycle
C. Pyruvate oxidation
D. Glycolysis
C. Pyruvate oxidation
The okazaki fragments need to be filled, which enzyme will fill that gap?
A. Helicase
B. Primase
C. Ligase
D. DNA Polymerase
C. Ligase
This is a type of passive transport that uses proteins embedded in the membrane to bring things into the cell
A. Facilitated Diffusion
B. Simple Diffusion
C. Primary active transport
D. Na+/K+ pump
A. Facilitated diffusion
Type of inhibition when an inhibitor binds to the active site of an enzyme
A. Feedback inhibition
B. Noncompetitive inhibition
C. Competitive inhibition
D. Allosteric
C. Competitive inhibition
Just oxidative phosphorylation produces ATP
A. True
B. False
B. False
Which of the following pathways creates NAD+ so that the cell can use it to keep glycolysis going? Select all that apply:
A. Citric acid cycle
B. Lactic acid fermentation
C. Pyruvate oxidation
D. Chemiosmosis
E. Alcohol fermentation
B. Lactic acid fermentation
E. Alcohol fermentation
DNA polymerase is making a strand that is going 5' to 3' away from the replication fork. Which strand is that?
A. Leading strand
B. Lagging strand
C. Okazaki strand
D. Replication bubble
B. Lagging strand
I place a cell in a solution that contains 15% NaCl (solute) & the cell has 10% NaCl, where will the water go? What type of solution is this?
The water will leave the cell because it is a hypertonic solution
I eat a thicc bowl of oatmeal, with that I create energy to power my metabolism
A. True
B. False
False - Energy cannot be created
Who is the one that was oxidized & who was reduced? LiH3 + FH = LiH + FH3
Li was oxidized & F was reduced
Do we perform alcohol or lactic acid fermentation?
Lactic acid fermentation
Put the following enzymes in order when it comes to the process of DNA replication of the lagging strand.
-DNA Polymerase
-Helicase
-Ligase
-Primase
1. Helicase
2. Primase
3. DNA Polymerase
4. Ligase
What type of molecules can pass through the cell membrane easily?
A. Huuuuge charged molecules
B. Small, nonpolar molecules with a negative charge
C. Small, nonpolar molecules with no charge
D. Large, polar molecules with a charge
C. Small, Nonpolar, molecules with no charge
I have a reaction that releases energy, its reactants have a lot of potential energy while its products have little potential energy. Also, the change of free energy is negative. What type of reaction is this?
A. Endergonic
B. Exergonic
C. Dehydration
D. Hydrolysis
B. Exergonic
All of these are the following products of the citric acid cycle except for:
A. Acetyl CoA
B. NADH
C. FADH2
D. CO2
A. Acetyl CoA
What are the outputs of the citric acid cycle when it goes through one cycle?
2 CO2, 1 ATP 1 FADH2, 3 NADH
What is needed for DNA Polymerase 3 to start making a strand?
a) DNA primer
b) RNA primer
c) RNA primer and DNA primer
d) None of these
b) RNA primer
Name all types of active & passive transport
Passive:
Simple diffusion
Osmosis
Facilitated diffusion
Active:
Primary active transport
Secondary active transport
Sucrose binds to the enzyme sucrase, the enzyme converts sucrose into fructose & glucose. Based on the following example fructose is (a):
A. substrate
B. reactant
C. product
D. catalyst
C. product
Give all inputs & outputs from glycolysis, pyruvate oxidation, and just the outputs of a single cycle of citric acid cycle
Glycolysis -
Inputs: Glucose, 2 NAD+, 2 ADP
Outputs: Pyruvate, 2 NADH, 2 Net ATP
Pyruvate oxidation -
Inputs: Pyruvate, NAD+
Outputs: Acetyl CoA, NADH, CO2
a) True
b) False
b) False
Explain the function of each enzyme
Helicase
Primase
Ligase
DNA Polymerase 1
DNA Polymerase 3
Single Stranded Binding Proteins
Helicase - Unwinds the double helix
Primase - Makes a short strand of RNA primer
Ligase - Seals the gaps
DNA Polymerase 3 - Adds the nucleotides to make a new DNA strand
DNA Polymerase 1 -Replaces RNA primer with DNA
Single Stranded Binding Proteins - Prevents the DNA from reforming the double helix