ASU BIO 340 Genetics Cogbook quiz questions.pdf file:///C:/Users/HP/Desktop/New%20Conver/ASU%20BIO%20340
ASU BIO 340 Genetics Cogbook Quiz Questions
1. (1.1) In Griffith's experiments, what made the harmless R cells grow cap-sules when
exposed to heat-killed S cells?
ANS DNA
2. (1.1) In the Hershey-Chase experiment radioactive Sulfur was used to
ANS Beincorporated into the phage protein coat because some amino acids contain sulfur
3. (1.1) The experiments by Hershey and Chase helped confirm that DNA was the
hereditary material on the basis of the finding that
ANS Radioactive phosphoruswas found inside the cell
4. (1.1) 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)?
ANS 23%
5. (1.1) Four nucleic acid samples are analyzed to determine the percentages of the
nucleotides they contain. Which of the following DNA sample(s) couldbe double-stranded
DNA?
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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%)
ANS Sample 1
6. (1.2) Your chromosomes are located and they are made of
.
ANS inside the nucleus, DNA
7. (1.2) A nucleotide is made of .
ANS sugar + phosphate + nitrogen base
8. (1.2) A molecule of RNA (ribonucleic acid) contains the bases .
ANS ade-nine, guanine, cytosine, and uracil
9. (1.2) Which of the following does cytosine pair with?
ANS Guanine
10. (1.2) Prokaryotes contain a chromosome, and eukaryotes con-tain
chromosomes.
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ANS double-stranded circular; double stranded linear
11. (1.2) How long would the peptide be that is translated from this mRNAsequence
5'- AUGGGCUACCGA -3'?
ANS 4 Amino Acids
12. (1.2) What is the correct sequence of steps in the central dogma?
ANS -
DNA-->RNA-->Protein
13. (1.2) Where does translation take place in eukaryotic cells?
ANS Cytoplasm
14. (1.2) Where does transcription take place in human cells?
ANS Nucleus
15. (1.2) Transcribe the following DNA sequence (non template strand)
5'-ATG-GCCGGTTATTAAGCA-3'
ANS 5'-AUGGCCGGUUAUUAAGCA-3'
16. (1.2) In which of the following pairs do both evolutionary processes intro-duce new
genetic variation into a population?
ANS Mutation and gene flow
17. (1.2) Mutation can be defined as the addition of genetic variation thatincreases
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the hereditary diversity of a population.
ANS True
18. (1.2) If an allele has a frequency of 1
ANS It is found in 100% of the population
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