Navigation » List of Schools » East Los Angeles College » Biology » Biology 003 – Introduction to Biology » Summer 2020 » Exam 2
Below are the questions for the exam with the choices of answers:
Question #1
A H2O
B ATP
C O2
D CO2
Question #2
A Electron transport chain
B Citric acid cycle
C Glycolysis
D Calvin cycle
Question #3
A Yes, but much less than with oxygen.
B No, oxygen is required to harvest any energy from glucose.
C Yes, but not quite as much as with oxygen.
D Yes, about as much as with oxygen.
Question #4
A Citric acid cycle
B Glycolysis
C Fermentation
D Electron transport chain
Question #5
A ADP
B ATP
C ANP
D NADP+
Question #6
A To produce sugars
B To produce ATP
C To produce oxygen
D To produce carbon dioxide
Question #7
A All of the other answer options are correct
B For making cellulose, which makes the bulk of a plant
C For storage
D For cellular respiration to produce ATP
Question #8
A Calvin cycle
B Glycolysis
C Fermentation
D Citric acid cycle
Question #9
A It loses a phosphate group and is converted to ADP.
B It breaks down into carbon dioxide and water.
C It is completely destroyed.
D It is split into two molecules of pyruvic acid.
Question #10
A It fixes carbon into sugars.
B It is the source of electrons.
C It excites electrons.
D It splits ATP molecules.
Question #11
A It is the final electron acceptor.
B It is a waste product in the light reactions.
C It is split to form sugar.
D It is the initial electron releaser.
Question #12
A Stage 1 (the light reactions)
B Stage 2 (the Calvin cycle)
C Both Stage 1 (the light reactions) and Stage 2 (the Calvin cycle)
D Neither Stage 1 (the light reactions) nor Stage 2 (the Calvin cycle)
Question #13
A ATP
B CO2
C Sugar
D O2
Question #14
A The chlorophyll molecule breaks down and other pigments now become visible.
B Cold weather denatures the chlorophyll molecule, and it begins to reflect different colors.
C When leaves die, the chlorophyll molecules are no longer visible.
D The chlorophyll molecule is modified to absorb different wavelengths of light.
Question #15
A To carry out photosynthesis
B There is no role, as animals do not have chloroplasts
C To produce ATP
D To produce sugars
Question #16
A Only photosynthesis
B Only cellular respiration
C Neither photosynthesis nor cellular respiration
D Both photosynthesis and cellular respiration
Question #17
A To convert the chemical energy of sugars into heat to maintain an elevated body temperature
B To convert solar energy into the chemical energy of sugars
C To convert the chemical energy of sugars into the chemical energy that fuels life’s processes
D To convert kinetic energy into the chemical energy of sugars
Question #18
A A pencil falling from your desk
B A pencil hitting the ground after falling from your desk
C A pencil on your desk
D A pencil laying on the ground
Question #19
A typically on the X chromosome
B typically on the Y chromosome
C located next to one another
D expressed only in women or only in men
Question #20
A Single-gene traits
B Multiple alleles
C Incomplete dominance
D Polygenic inheritance
Question #21
A Segregation of homologous chromosomes is random.
B The expression of one gene has no effect on the expression of another gene.
C The inheritance of one character has no effect on the inheritance of another character.
D There are two versions of each trait, a dominant and a recessive; the one you get is random.
Question #22
A they can only express the recessive trait
B they can only express the dominant trait
C their two alleles carry different information
D both of their alleles carry the same information
Question #23
A are always different
B are always the same
C can be the same or can be different
D originate from the same parent
Question #24
A Mitosis
B Both mitosis and meiosis
C None of the other answer options
D Meiosis
Question #25
A haploid (n)
B diploid (2n)
C haploid (2n)
D diploid (n)
Question #26
A 92
B 23
C 2
D 46
Question #27
A mitosis
B meiosis
C cloning
D surrogate growth
Question #28
A At the completion of animal cell mitosis
B In the middle of animal cell mitosis
C In the middle of plant cell mitosis
D At the completion of plant cell mitosis
Question #29
A Nuclear membrane dissolves, chromosomes line up, sister chromatids split, nuclear membrane forms
B Chromosomes line up, nuclear membrane forms, nuclear membrane dissolves, sister chromatids split
C Nuclear membrane forms, chromosomes line up, sister chromatids split, nuclear membrane dissolves
D Sister chromatids split, nuclear membrane dissolves, nuclear membrane forms, chromosomes line up
Question #30
A Independent assortment
B Random fertilization
C Crossing over
D All of the other answer options generate genetic variation
Question #31
A meiosis
B interphase
C mitosis
D chromosome duplication
Question #32
A Genomes
B Sister chromatids
C Homologous chromosomes
D Daughter cells
Question #33
A Yes, the number of chromosomes is a good indicator of an organism’s complexity, but the amount of DNA matters even more.
B No, the number of chromosomes does not indicate how complex an organism is.
C It depends on the type of cells of the organism.
D Yes, the number of chromosomes indicates how complex an organism is.
Question #34
A binary fission
B mitosis
C meiosis
D fertilization
Question #35
A unique mRNA sequences
B unique set of short tandem repeats within DNA
C unique fingerprints
D unique set of genes
Question #36
A DNA donor
B Egg donor
C Surrogate mother
D It depends on whether it is male or female.
Question #37
A No, only the genes would be copied.
B No, the PCR machine can only copy fragments of DNA.
C There is not enough information provided to answer
D Yes, that is its primary function.
Question #38
A The only source of mutations in cells
B Errors during DNA replication
C Physical or chemical factors that can lead to mutations causing cancer
D Chemical factors that can treat cancer
Question #39
A During meiosis
B During embryonic development
C During replication
D During mitosis
Question #40
A No, since they don’t contain the same DNA
B Yes, since they all make the same proteins
C Yes, since they all contain the same DNA
D No, since they don’t all need to make the same proteins
Question #41
A The insulin-producing gene of bacteria was altered to have the same base sequence as the human counterpart and now produces the human version of insulin.
B Typical bacterial insulin is exactly the same as human insulin.
C The gene that produces insulin in humans was inserted into the bacteria where it continues to produce human insulin.
D Bacterial insulin is similar enough to human insulin to serve the same purpose.
Question #42
A Anticodons
B Ribosome
C Amino acids
D Codons
Question #43
A GCCAUUAC
B CGGTAATG
C CGGUAAUG
D CGGTUUTG
Question #44
A guanine
B thymine
C uracil
D adenine
Question #45
A Promoters act as a “start here” signal to help control gene expression
B All of the other answer options are correct
C Promoters are regions of DNA that indicates the start of a gene
D Promoters are regions of DNA where RNA polymerase can bind to start transcription
Question #46
A All of the other answer options and more are part of the expanding definition of a gene.
B A discrete sequence of DNA nucleotides
C A section of DNA that codes for a portion of a protein
D A section of DNA that codes for one or more proteins
Question #47
A DNA is double stranded, and RNA is a single strand.
B One of the bases is different.
C All of the other answer options are correct.
D They each contain a slightly different sugar molecule.
Question #48
A CGGATTC
B ATTCGGA
C AGGCTTA
D TCCGAAT
Question #49
A The base
B The sugar molecule
C The phosphate group
D The protein
Question #50
A A peptide bond
B A covalent bond
C A ionic bond
D A hydrogen bond