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WorksheetsFinal Exam Review!
Total questions: 45
Worksheet time: 23mins
Which step of cellular respiration does NOT produce ATP?
Glycolysis
Pyruvate processing
Citric acid cycle
Oxidative phosphorylation
Which step of cellular respiration requires an input of ATP?
Glycolysis
Pyruvate processing
Citric acid cycle
Oxidative phosphorylation
Which protein allows hydrogen ions to move down their gradient?
ATP synthase
Oxidase
ATP oxidase
NADH
Which of the following is TRUE of a dehydration reaction? Select all that apply!
It breaks larger molecules into smaller ones
It forms larger molecules from smaller ones
Water is a product
Water is a reactant
Which of the following is TRUE of a hydrolysis reaction? Select all that apply.
It breaks larger molecules into smaller ones
It forms larger molecules from smaller ones
Water is a product
Water is a reactant
Which of the following would DECREASE membrane fluidity? Select all that apply!
High amounts of cholesterol
Short phospholipid tails
Saturated phospholipid tails
High temperature
_____ would have the EASIEST time passing through the cell membrane.
Water
Glucose
H+
Carbon dioxide
Proteins are formed via ________ reactions, in which water is a _______.
dehydration; reactant
dehydration; product
hydrolysis; reactant
hydrolysis; product
If water is moving OUT of a cell, this means the outside of the cell is (a) to the inside.
Which of the following are examples of secondary structure?
Linear polypeptide chain
Aplha helix
Amino acid
Beta pleated sheet
Primary polypeptide structure is stabilized by (a) bonds.
Which strand of DNA would pair with
5'-GATCT-3'
5'-CTAGA-3'
5'-CUAGA-3'
5'-AGATC-3'
5'-TCTAG-3'
Which of the following is TRUE?
A=G and C=T
A*T = G*C
A+G = C+T
G+C = A+T
In splicing, _________ are removed and __________ are connected.
Introns; exons
Caps; tails
Exons; introns
Sigma factors; nucleotides
Given the template strand, what is the mRNA strand?
3'- CAAGCTAG -5'
5'- GUUCAUC -3'
5'- CUACUUG -3'
5'- GAACGUAG -3'
5'- CAAGCUAG -3'
What is the central dogma?
DNA --> mRNA --> tRNA --> rRNA
Template strand --> coding strand --> mRNA
Nucleus --> cytoplasm --> ribosome
DNA --> mRNA --> protein
Which of the following is an example of conservation in the genetic code?
UAG, UAA, UGA
AAA, CCC, UUU, GGG
UUA, UUG, CUC, CUA, CUG, CUU (Leu)
AAC, AAU, AAG, AAA
Which of the following is an example of redundancy in the genetic code?
UAG, UAA, UGA
AAA, CCC, UUU, GGG
UUA, UUG, CUC, CUA, CUG, CUU (Leu)
AAC, AAU, AAG, AAA
Which of the following does NOT occur during initiation of translation?
The mRNA and small ribosomal subunit bind
The first tRNA binds to the start codon
The large ribosomal unit attaches to the small
The sigma factor recognizes the promotor region
What enters the ribosome when a stop codon is reached?
The stop amino acid
A release factor protein
The terminator
A tRNA molecule
What happens during termination of translation? Select all that apply!
The stop codon is reached
The polypeptide is released
The release factor enters the ribosome
The ribosomal subunits dissociate
What is it called when the ribosome advances to the next codon?
Transcription
Translation
Translocation
Termination
Which of the following is true of an endergonic reaction? Select all that apply!
It is spontaneous
It is anabolic
It requires energy
It has a negative Gibbs free energy value
Which of the following is true of an exergonic reaction? Select all that apply!
It is spontaneous
It is anabolic
It requires energy
It has a negative Gibbs free energy value
What will happen to the concentrations of A, B, and C when Enzyme 1 is deactivated?
A + Enzyme 1 --> B + Enzyme 2 --> C
A and B will decrease, C will increase
A will increase, B and C will decrease
A, B, and C will decrease
A will decrease, B and C will increase
________ is the loss of electrons, and _________ is the gain of electrons.
Hydrolysis; dehydration
Catabolism; anabolism
Reduction; oxidation
Oxidation; reduction
Light reactions occur in the _____ and the Calvin Cycle occurs in the _____.
Mito matrix ; inner mito membrane
Granum ; thylakoid membrane
Lumen ; stroma
Thylakoid membrane ; stroma
Which replication protein breaks hydrogen bonds?
Helicase
Topoisomerase
Primase
DNA Polymerase I
Which of the following is TRUE of the leading strand?
It contains Okasaki fragments
It needs ligase
It is synthesized towards the replication fork
It is synthesized in the 3' to 5' direction
_______ is the enzyme that closes the gaps between ___________ on the lagging strand.
DNA Polymerase I ; Okasaki fragments
Ligase ; RNA primers
Primase ; RNA Primers
Ligase ; Okasaki fragments
What is the function of topoisomerase?
To relieve tension from twisting
To break hydrogen bonds
To unwind the DNA double helix
To hold the single strands of DNA apart
DNA polymerase _______ synthesizes the daughter strand, and DNA polymerase _______ replaces RNA primer with DNA nucleotides
I ; III
I ; II
III ; II
III ; I
Sister chromatids are genetically _________ and homologous chromosomes are genetically _________.
Unique ; unique
Unique ; identical
Identical ; unique
Identical ; identical
This cell has _______ chromosomes and _______ chromatids.
2 ; 2
1 ; 2
1 ; 4
2 ; 4
4 ; 4
In which phase of mitosis do the sister chromatids separate?
Prophase
Metaphase
Anaphase
Telophase
If n=12, the haploid value is _____ and the diploid value is ______.
6 ; 12
12 ; 12
12 ; 24
6 ; 24
Homologous chromosomes are only in _______ cells, and sister chromatids are only in ______ chromosomes.
Haploid; unreplicated
Haploid; replicated
Diploid; unreplicated
Diploid; replicated
Which letter(s) in the diagram correspond to cells that are haploid?
A only
B only
C only
A and B
C and B
What is the end result of meiosis?
4 haploid, genetically unique cells
4 diploid, genetically identical cells
4 haploid, genetically identical cells
4 diploid, genetically unique cells
What is the process of two gametes fusing to form a zygote?
Mitosis
Meiosis
Inheritance
Fertilization
What percentage of children will have brown eyes?
0%
25%
50%
75%
100%
Why are X-link recessive traits more likely to occur in males?
Males don't have an X chromosome
Males have only one X chromosome
Females do not have a Y chromosome
Y-linked traits are not significant
What is the genotype of individual 7?
AA
Aa
aa
XY
For a female to be colorblind... Select all that apply!
Her father must be colorblind
Her mother must be colorblind or a carrier
Her mother must have normal vision
Her genotype must be heterozygous
Her genotype must be homozygous recessive
_________ is a gene (trait) and ________ are alleles of that gene.
Brown; hair and eyes
Tall; short and dwarfism
Sex; XX and XY
Blood type; A, B, and O
