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Bio 340 Module 1 and 2 Cogbooks Exam Questions and Complete Solutions Graded A+
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Bio 340 Module 1 and 2 Cogbooks Exam Questions and Complete Solutions Graded A+
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Bio 340 Module 1 and 2Cogbooks Exam
Questions and Complete
Solutions Graded A+
Denning [Date] [Course title]
, In Griffith's experiments, what made the harmless R cells grow capsules when exposed to heat-killed S
cells? - Correct Ans: DNA
In the Hershey-Chase experiment radioactive Sulfur was used to: - Correct Ans: Be incorporated into the
phage protein coat because some amino acids contain sulfur
The experiments by Hershey and Chase helped confirm that DNA was the hereditary material on the
basis of the finding that: - Correct Ans: Radioactive phosphorus was found inside the cell
If DNA of a particular species was analyzed and it was found that it contains 27 percent of adenine (A),
what would be the percentage of cytosine (C)? - Correct Ans: 23% C
Four nucleic acid samples are analyzed to determine the percentages of the nucleotides they contain.
Which of the following DNA sample(s) could be double-stranded DNA? Sample 1: A(22%), G(28%),
T(22%), U(0%), C(28%); Sample 2: A(30%), G(30%), T(0%), U(20%), C(20%); Sample 3: A(18%), G(32%),
T(0%), U(18%), C(32%); Sample 4: A(29%), G(29%), T(21%), U(0%), C(21%) - Correct Ans: Sample 1
Your chromosomes are located _______ and they are made of ___________ . - Correct Ans: Inside the
nucleus, DNA
A nucleotide is made of - Correct Ans: sugar+phosphate+nitrogen base
A molecule of RNA (ribonucleic acid) contains the bases _______ - Correct Ans: adenine, guanine,
cytosine, and uracil
Which of the following does cytosine pair with? - Correct Ans: Guanine
Prokaryotes contain a _________ chromosome, and eukaryotes contain ________ chromosomes. -
Correct Ans: double stranded circular, double stranded linear
How long would the peptide be that is translated from this mRNA sequence: 5'- AUGGGCUACCGA -3'? -
Correct Ans: 4 amino acids
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