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BIO 340 FINAL EXAM VERSION B NEWEST
2025 COMPLETE 100 QUESTIONS AND
ANSWERS (VERIFIED ANSWERS ) |ALREADY
GRADED A+
The experiments by Hershey and Chase helped confirm that
DNA was the hereditary material on the basis of the finding that:
Radioactive phosphorus was found inside the cell Radioactive phage were found in the pellet Radioactive sulfur was found inside the cell Radioactive cells were found in the supernatant - ANSWER- 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)?
30 percent 1 / 4
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27 percent 23 percent 54 percent - 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%);
Sample 4: A(29%), G(29%), T(21%), U(0%), C(21%)
Samples 1 and 4 Samples 2 and 3 Samples 3 and 4 Sample 1 Samples 1 and 2 - ANSWER-Sample 1
How long would the peptide be that is translated from this
mRNA sequence: 5'- AUGGGCUACCGA -3'?
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- amino acids
- amino acids
- amino acids
- amino acids - ANSWER-4 amino acids
What is the correct sequence of steps in the central dogma?
DNA->RNA->Protein RNA->DNA->Protein DNA->Protein->RNA RNA->Protein->DNA - ANSWER-DNA->RNA->Protein
Where does transcription take place in human cells?
Nucleus Nucleoid Cytoplasm Nucleosome - ANSWER-Nucleus
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Transcribe the following DNA sequence (non template strand):
5'-ATGGCCGGTTATTAAGCA -3'
5'-TACCGGCCAATAATTCGT -3'
5'-ATGGCCGGTTATTAAGCA -3'
5'-ACGAATTATTGGCCGGTA -3'
5'-AUGGCCGGUUAUUAAGCA -3' - ANSWER-5'-
AUGGCCGGUUAUUAAGCA -3'
Given a genome with 16% Thymine, how much of the genome is cytosine?
68% 16% 17%
34% - ANSWER-34%
How many amino acids would be coded from a sequence of 45 nucleotides, given that the sequence codes for a stop codon?
14
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