Latest ASU BIO 340 Exam 1 latest update questions and answers fall winter 2024
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Bio 340
Latest ASU BIO 340 Exam 1 latest update questions and answers fall winter 2024
In Griffith's experiments, what made the harmless R cells grow capsules when exposed to heat-killed S cells?
- Protein
- DNA
- Lipids
- Polysaccharides Correct Answer: - DNA
Which of the following does cytosine...
in the hershey chase experiment radioactive sulfur
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Latest ASU BIO 340 Exam 1 latest update questions
and answers fall winter 2024
In Griffith's experiments, what made the harmless R cells grow capsules when exposed
to heat-killed S cells?
- Protein
- DNA
- Lipids
- Polysaccharides Correct Answer: - DNA
Which of the following does cytosine pair with?
- Guanine
- Thymine
- Adenine
- Uracil Correct Answer: - Guanine
Prokaryotes contain a _________ chromosome, and eukaryotes contain ________
chromosomes.
- single-stranded circular; single-stranded linear
- single-stranded linear; single-stranded circular
- double-stranded circular; double stranded linear
- double-stranded linear; double-stranded circular Correct Answer: - double-stranded
circular; double stranded linear
How long would the peptide be that is translated from this mRNA sequence: 5'-
AUGGGCUACCGA -3'?
- 0 amino acids
- 2 amino acids
- 3 amino acids
- 4 amino acids Correct Answer: - 4 amino acids
,What is the correct sequence of steps in the central dogma?
- RNA->DNA->Protein
- RNA->Protein->DNA
- DNA->RNA->Protein
- DNA->Protein->RNA Correct Answer: - DNA->RNA->Protein
Where does transcription take place in human cells?
- Nucleoid
- Nucleus
- Cytoplasm
- Nucleosome Correct Answer: - Nucleus
Where does translation take place in eukaryotic cells?
- Nucleoid
- Nucleus
- Cytoplasm
- Nucleosome Correct Answer: - Cytoplasm
Transcribe the following DNA sequence (non template strand): 5'-
ATGGCCGGTTATTAAGCA-3'
- 5'-ACGAATTATTGGCCGGTA-3'
- 5'-TACCGGCCAATAATTCGT-3'
- 5'-ATGGCCGGTTATTAAGCA-3'
- 5'-AUGGCCGGUUAUUAAGCA-3' Correct Answer: - 5'-AUGGCCGGUUAUUAAGCA-
3'
In which of the following pairs do both evolutionary processes introduce new genetic
variation into a population?
- Natural selection and genetic drift
- Mutation and gene flow
- Natural selection and gene flow
, - Gene flow and genetic drift Correct Answer: - Mutation and gene flow
In the Hershey-Chase experiment radioactive Sulfur was used to:
- Be incorporated into the phage DNA because of its numerous sulfur atoms
- Be incorporated into the phage protein coat because of its numerous phosphorous
atoms
- Be incorporated into the phage DNA because of its numerous phosphorus atoms
- Be incorporated into the phage protein coat because some amino acids contain sulfur
Correct Answer: - 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:
- Radioactive phage were found in the pellet
b. Radioactive cells were found in the supernatant
c. Radioactive sulfur was found inside the cell
d. Radioactive phosphorus was found inside the cell Correct Answer: d. 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)?
- 27 percent
- 30 percent
- 23 percent
- 54 percent Correct Answer: - 23 percent
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%);
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