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FALL 2021 BIOL 171 Final Exam Review Flashcards | StudBud
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FALL 2021 BIOL 171 Final Exam Review
FALL 2021 BIOL 171 Final Exam Review
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Flashcards
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Questions
30
Answers
1
During DNA replication, what enzyme uncoils the supercoiled DNA by breaking phosphodiester bonds?
Singe-strand binding proteins
Helicase
DNA Polymerase
Topoisomerase
2
What happens during anaphase 1 of meiosis 2?
Sister chromatids align on the cell equator
Chromatin condenses into chromosomes
A cleavage furrow begins to appear
Sister chromatids are pulled to opposite sides of the cell
3
What type of horizontal gene transfer involves a virus transferring the genes?
Conjugation
Transformation
Transduction
Transjugmation
4
In eukaryotic transcription, RNA polymerase creates a strand of ______?
Pre-mRNA
Spaghetti
tRNA
mRNA
5
What is Biology?
Is this gonna be on the final?
The study of matter
The wonderful study of life
The art of creating an amazing Instagram biography
6
Humans evolved from monkeys thousands of years ago.
No, we evolved from monkeys MILLIONS of years ago, GET IT RIGHT
Of course! :D
*OO OO AHH AHH*
What?! No!!
7
During translation, _____ bonds are formed as _____ carry amino acids down to the ribosomal complex.
Polypeptide, mRNAs
Polypeptide, tRNAs
huh, what
Hydrogen, tRNAs
8
What is a polyploid organism?
Organism that has two sets of each chromosome (2n)
Organism that has one set of each chromosome (1n)
Organism that can't reproduce at all due to genetic mutations
Organism that has multiple sets of each chromosome (4n)
9
After glucose is turned into 2 pyruvate molecules during cellular respiration, what is created next?
Pyruvate Oxygen
Enzyme B
Electron Transport Chain
Acetyl CoA
10
Amazing job everyone! It was such an amazing semester!!.....Now what?
TIME FOR CHUCK E. CHEEEESE
CHEGG ALL THE EXAM ANSWE-- I mean....
DEMOLISH THE EXAM
sleeeeeep......*snore*
11
Choose all structural characteristics of viruses.
Protein coat or capsid
Tail fibers containing DNA or RNA
Nucleic acids (DNA or RNA)
Could have a membranous envelope
12
After a mono-hybrid cross, what would be the expected genotype ratios?
3 purple, 1 white
1 PP, 2 Pp, 1 pp
2 PP, 2 Pp
4 purple, 0 white
13
How does the coronavirus enter host cells?
Spike protein attaches to the ACE2 protein on the cell membrane
Fuses its own membrane with the membrane of the host cell
Uses nucleoproteins to cleave through the host cell's membrane
By simply opening the cell membrane door like a civilized virus
14
True-breeding plants are:
Plants that breed with other plants of the same phenotype
Produced via self-fertilization
Plants that always produce offspring of the same phenotype
Plants that only produce offspring with recessive traits
15
Vibrantly pink flamingos are hunted much more often than dull-colored flamingos. This is stabilizing selection.
False
True
16
DNA Polymerase synthesizes in the 3' to 5' direction.
True
False
17
During the beginning of photosynthesis, light "excites" which molecule?
da plant duh
NADPH
Chlorophyll
Chloroplast
18
Photosystem 2 is utilized after photosystem 1 during photosynthesis.
True
False
19
Prokaryotic mRNA must go through three modifications before translation: splicing, 3' Poly-A tail, and 5' cap.
False
True
20
What is the monomer for carbohydrates?
Monosaccharides
Amino Acids
Sugar
Nucleotides
21
Which of the following is not a prezygotic barrier?
Reduced Hybrid Fertility
Behavioral Isolation
Habitat Isolation
Gametic Isolation
22
Which of the following is an example of an adaptation?
Giraffes develop longer necks due to larger trees in environment
A dolphin swims to a warmer, more ideal environment
I eat three McRib sandwiches so I take off my belt to relieve pressure
All traits are adaptations
23
Mitosis results in genetically distinct daughter cells.
True
False
24
What type of speciation involves a geographic barrier which inhibits gene flow?
Sympatric speciation
Temporal Isolation
Allopatric speciation
Autopolyploidy
25
The gene pool contribution of one individual in comparison to the contributions of others is called _______?
Genetic Pooling
Natural Selection
Relative Fitness
Genetic Variance
26
Which tree depicts a different pattern of relationships from the rest?
Tree "b"
Tree "c"
Tree "d"
Tree "a"
27
What phenotype ratio of offspring would you get if you crossed a Pp plant with a pp plant?
3 purple, 1 white
3 Pp, 1 pp
2 Pp, 2 pp
2 purple, 2 white
28
Which is an example of the Bottleneck Effect?
Humans create a pesticide that kills off an entire beetle population
When you slice the neck off a bottle with a katana
Green parrots settle an island and form a primarily green parrot population
An earthquake randomly wipes out 90% of a kangaroo population
29
What is the name of this specific macromolecule, and what is it used to create?
Lipid, glycogen
Nucleic acids, DNA
Phospholipid, cell membranes
Protein, muscles
30
Choose all conditions which must be met for a population to be in Hardy-Weinberg equilibrium.
Random Mating
Gene Flow (migrations)
No Mutations
Certain types of Natural Selection
