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BIOD 210 Module 5 exam genetics Complete Questions and Answers | Latest 2023 / 2024
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BIOD 210 Module 5 exam genetics Complete Questions and Answers | Latest 2023 / 2024
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,The process of cell division that ensures that each of the two daughter cells receives thesame number of chromosomes as the parent cell is known as...
Meiosis
Replication
Mitosis
Non-Disjunction
Crossing Over - Mitosis
The portion of the cell cycle during which the chromosomes are replicated is called...
G1
G2
S
M
Prophase - S
__________ uses a genetic cross to determine patterns of inheritance
Population Genetics
Transmission Genetics
Molecular Genetics
Popular Genetics - Transmission genetics
__________ is a technology of sequencing and analyzing the functions of various DNA
Genetics
Genes
Genomics
Protecomics - Genomics
,In the 1920's, one of Griffith's pneumococcus experiments demonstrated the process of
transformation that suggested DNA was the transforming factor, not protein. What was
it? - Heat-killed smooth strain + Live rough strain injected into mice resulted in death
Why were Avery, MacLeod and McCarty's experiments in the 1940s considered more
humane AND more direct evidence to support DNA as the transforming factor than
Griffith's experiments? - No mice were used, and 1 macro-molecule of the S strain was
added to the live R strain at a time
In Hershey and Chases's bacteriophage experiments, after centrifugation, results
showed most of the P32 in the ______, where the bacteria resided. However, a trace of
P32 was found in the ______, due to _________ - Pellet, Supernatant, bacteriophage
that did not start the infection process.
One strand of DNA is 5' -AGGCCTTA- 3'. What is the DNA sequence of the opposite
strand? - 3' -TCCGGAAT- 5'
The order of chromatin folding from widest to narrowest width is... - radial loop, folded
loop, solenoid, nucleosome
What types of amino acids in histones are most responsible for the binding to DNA?
Neutral (no charge) amino acids
Polar amino acids
Positively charged amino acids
Negatively charged amino acids - positively charged amino acids
Which of the following statements is true?
a nucleosome has 8 histones with 1 histone cross-linker to hold the coiled DNA
a solenoid contains 6 nucleosomes per turn
a folded loop is held together by non-histone proteins
all of the above - ALL OF THE ABOVE
A(n) ________ is at the 5' end, whereas a(n) ________ is at the 3' end of a single DNA
strand. - Phosphate group, hydroxyl group
If guanine makes up 23% of the nucleotides in a sample of DNA then thymine would
make up what percent of the bases? - 27%
, In nucleic acids, the purine (double-ring) bases are _______, whereas the pyrimidine
(single-ring) bases are _______. - Adenine and guanine, thymine, cytosine, and Uracil
People with CF have lung problems due to buildup of mucus in their lungs. This
description is at which level of genetics?
Molecular Level
Cellular Level
Organism Level
Population Level - Organism Level
The mutant CF gene encodes a defective chloride transporter protein. This description
is at which level of genetics?
Molecular Level
Cellular Level
Organism Level
Population Level - Molecular Level
The CF mutant gene is most common among Caucasians than any other ethnic group
in the world. It has been shown that carriers of this allele seem to be resistant to
cholera, a disease that causes severe diarrhea. This description is at which level of
genetics?
Molecular Level
Cellular Level
Organism Level
Population Level - Population Level
A defect in the chloride transporter protein prevents it from embedding in a cell
membrane of a lung cell, thus creating a faulty chloride channel. This causes a salt
imbalance in lung cells. This description is at which level of genetics?
Molecular Level
Cellular Level
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