10 Jun BSC 1005N3 – A type of mutation where a chromosome segment
Question
Question 1
1. A type of mutation where a chromosome segment is repeated so that the individual has more
than two alleles for certain traits is called a __________.
A deletion
.
B duplication
.
C inversion
.
D translocation
. 5 points Question 2
1. What is one function of the cytoskeleton in a eukaryotic cell?
A Protects the DNA in the cell
.
B Maintains the shape of the cell
.
C Synthesizes lipids
.
D Synthesizes proteins
. 5 points Question 3
1. When two atoms share electrons in order to have a completed outer shell, the bond is referred to
as a __________.
A ionic bond
.
B covalent bond
.
C hydrogen bond
.
D valence
. 5 points Question 4
1. The three-domain system uses molecular data to designate what three evolutionary domains?
A Archaea, Bacteria, and Eukarya
.
B Protists, Bacteria, and Fungi
.
C Archaea, Eukarya, and Animalia
.
D Bacteria, Viruses and Eukarya
. 5 points Question 5 1. A chart of a family’s history with regard to a particular genetic trait is called a __________.
A genetic profiling
.
B karotype
.
C PCR
.
D pedigree
.
5 points Question 6
1. What are the subunits (monomers) of nucleic acids such as DNA and RNA?
A sugar
.
B hydrogen bonds
.
C nucleotides
.
D amino acids
.
5 points Question 7
1. If a solution surrounding a cell is hypotonic relative to the inside of the cell, in which direction will
water move?
A It will move into the cell via osmosis.
.
B It will move out of the cell via osmosis.
.
C It will evaporate from the cell surface more rapidly.
.
D It will not move because equilibrium exists.
. 5 points Question 8
1. What are the complementary base pairs that form in DNA?
A A-U and G-C
.
B A-T and G-C
.
C A-G and G-C
.
D A-C and T-G
.
5 points Question 9
1. After making an observation, a scientist develops a(n) __________ which is a possible
explanation for a natural event that is based on existing knowledge and can be tested by experiments. A experime
. nt
B observati
. on
C hypothesis
.
D results
.
5 points Question 10
1. The flow of information from DNA to mRNA during gene expression is called __________.
A coding
.
B transcription
.
C replication
.
D translation
. 5 points Question 11
1. Which process can be described as a four-step process for producing ATP from glucose?
A Osmosis
.
B Cellular respiration
.
C Chemical reaction
.
D Photosynthesis
.
5 points Question 12
1. Crossing over occurs _______________.
A between non-sister chromatids
.
B between sister chromatids
.
C during telophase I
.
D during mitosis
.
5 points Question 13
1. Enzymes speed up chemical reactions by lowering __________.
A the activation energy
. B the pH required for the reaction
.
C the temperature required for the reaction
.
D the amount of reactance needed in the reaction
.
5 points Question 14
1. During translation, which molecule is responsible for transferring amino acids to the ribosomes?
A DNA
.
B rRNA
.
C tRNA
.
D mRNA
. 5 points Question 15
1. What are the four phases of mitosis?
A interphase, prophase, metaphase, telophase
.
B prophase, metaphase, telophase, cytokinesis
.
C interphase, metaphase, telophase, cytokinesis
.
D prophase, metaphase, anaphase, telophase
.
5 points Question 16
1. Due to hydrogen bonding, water _________ .
A has a low surface tension
.
B has a high heat capacity
.
C is less dense than ice
.
D has a low heat of vaporization
.
5 points Question 17
1. Which statement is correct about photosynthesis and cellular respiration?
A Production of a carbohydrate occurs in cellular respiration.
.
B Photosynthesis gives off water.
. C O2 is a product of photosynthesis.
.
D ATP is a reactant of each step of cellular respiration.
.
5 points Question 18
1. __________ is the insertion of genetic material into human cells for the treatment of a disorder.
A Genetic marker
.
B Gene therapy
.
C Eugenics
.
D Genetic counseling
.
5 points Question 19
1. Which of the following is NOT a characteristic of cancer cells?
A abnormal chromosomes
.
B no apotosis
.
C controlled growth
.
D no contact inhibition
.
5 points Question 20
1. The observable traits of an individual are called ____________.
A genetics
.
B phenotype
.
C genes
.
D genotype
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