Supplemental Instruction
Iowa State University
Leader: Nur
Course: Bio 212
Instructor: Howell
Date: October 11, 2015
1.
What is the last electron acceptor in cellular respiration? a.
O
2 c.
CO
2 b.
d.
H
2
O
ATP
2.
What are the two phases of glycolysis and what happens during them?
I.
Energy investment phase – energy is released and pyruvate is made.
II.
Energy payoff phase – energy is used to break down glucose into two 3C molecules.
III.
Energy investment phase – energy is used to break down glucose into two 3C molecules.
IV.
Energy payoff phase – energy is released and pyruvate is made.
V.
Substrate level phosphorylation – ATP is synthesized through the breakdown of molecules. a.
I, II c.
III, IV b.
I, IV d.
III, V
3.
What is the difference between the way that ATP is made during glycolysis compared to oxidative phosphorylation? The ATP made during glycolysis… a.
c.
Doesn’t require the ETC
Requires oxygen b.
Requires a PMF d.
All of the above
4.
Which compound is recycled and used again during the TCA cycle? a.
Citrate c.
NADH b.
Oxaloacetate d.
Acetyl CoA
5.
What high energy compounds carry electrons to the ETC? a.
NADH, FADH
2 c.
CO
2 b.
ATP, GTP d.
O
2

6.
Which complex in the ETC passes down electrons to the last electron acceptor? a.
I c.
III b.
d.
II
IV
7.
What chemical energy carriers are recycled between light and dark reactions? a.
c.
ATP, NADH
CO
2
, O
2 b.
Sugars d.
All of the above
8.
When water is split in the reaction center of photosystem II, what is released? a.
O
2 b.
Electrons c.
H + d.
All of the above
9.
True / False: PMF in photosynthesis and cellular respiration are the same.
10.
In the Z-scheme of photosynthesis: a.
Energy in the form of ATP is synthesized. c.
P680 is the reaction center of photosystem II and P700 is the reaction center of photosystem I.
11.
Photorespiration is problematic when: b.
d.
series
Connects the photosystems in
All of the above. a.
O
2 levels are low and CO
2 levels are high. c.
CO
2
levels are low and O levels are high.
2 b.
H
2
O is present d.
O
2
and CO
2
compete to bind to rubisco.
12.
DNA replication is: a.
c.
Conservative
Dispersive b.
Semiconservative d.
All of the above
13.
The bond that forms between two nucleotides of DNA are called: a.
c.
Peptide bonds
Phosphodiester bonds b.
Hydrogen bonds d.
Glycosidic bonds
14.
True / False: A single replication bubble has one replication fork.

15.
A large multi-enzyme machine responsible for DNA replication is called: a.
Replisome b.
Chromosome replication c.
Spliceosome d.
DNA polymerase
16.
How many different amino acids can be made with 4 different nucleotides? a.
36 b.
25 c.
20 d.
64
17.
Which type of mutation stops the synthesis of a protein early? a.
Frameshift b.
Point c.
Missense d.
Nonsense
18.
True / False: Both prokaryotes and eukaryotes contain -10 and -35 boxes.
19.
RNA polymerase synthesizes mRNA by pairing NTPs with the: a.
Complementary strand b.
Daughter strand c.
Template strand d.
Coding strand
20.
Bacteria can start translation before transcription ends. Considering this statement, which of the below are true?
I.
Bacterial translation and transcription happens in the cytoplasm;
II.
Bacterial transcription happens in the nucleus;
III.
A polyribosome forms;
IV.
mRNA is never made. a.
c.
All of them
II, III b.
I, III d.
I, III, IV
21.
True / False: Translation happens in N  C direction.
22.
What makes up an aminoacyl tRNA? a.
tRNA + a ribonucleotide b.
tRNA + an anticodon c.
Aminoacyl tRNA synthetase d.
tRNA + amino acid
23.
True / False: The transcription of both ara and lac operon takes place when the inducer (arabinose or lactose) is present.