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Biology
Which enzyme joins Okazaki fragments together?
A
DNA polymerase
B
Helicase
C
DNA ligase
D
Primase
Correct Answer
C
Biology
Okazaki fragments are formed during?
A
Transcription
B
Translation
C
DNA replication
D
RNA processing
Correct Answer
C
Biology
What is the primary function of DNA helicase during replication?
A
Join Okazaki fragments
B
Add RNA primers
C
Unwind the DNA double helix
D
Synthesize proteins
Correct Answer
C
Biology
Which enzyme is responsible for synthesizing DNA by adding nucleotides to a growing strand?
A
DNA ligase
B
DNA polymerase
C
RNA polymerase
D
Helicase
Correct Answer
B
Biology
In competitive inhibition, increasing the substrate concentration generally?
A
Decreases Vmax
B
Increases Km
C
Overcomes the inhibition
D
Permanently denatures the enzyme
Correct Answer
C
Biology
Which enzyme catalyzes the conversion of pyruvate into acetyl-CoA?
A
Pyruvate kinase
B
Pyruvate dehydrogenase
C
Citrate synthase
D
Phosphofructokinase
Correct Answer
B
Biology
During oxidative phosphorylation, the primary role of the electron transport chain is to?
A
Directly synthesize glucose
B
Generate a proton gradient across the inner mitochondrial membrane
C
Break down proteins into amino acids
D
Produce carbon dioxide from pyruvate
Correct Answer
B
Chemistry
Which gas is produced when an acid reacts with a carbonate?
A
Oxygen
B
Hydrogen
C
Carbon dioxide
D
Nitrogen
Correct Answer
C
Chemistry
Which of the following is an example of a physical change?
A
Burning wood
B
Rusting iron
C
Melting ice
D
Cooking food
Correct Answer
C
Chemistry
What is the chemical symbol for Copper?
A
Co
B
Cu
C
Cp
D
Cr
Correct Answer
A