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BIO 340 (Modules 1-2 Cog Books & Recitations (TBA) EXAM 1 QUESTIONS AND ANSWERS ARIZONA STATE UNIVERSITY. R293,07
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BIO 340 (Modules 1-2 Cog Books & Recitations (TBA) EXAM 1 QUESTIONS AND ANSWERS ARIZONA STATE UNIVERSITY.
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BIO 340 (Modules 1-2 Cog Books & Recitations (TBA) EXAM 1 QUESTIONS AND ANSWERS ARIZONA STATE UNIVERSITY.

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  • November 6, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Unknown

Subjects

  • bio 340
  • biology
  • bio 340 modules 1 2 cog books recitations tba
  • bio 340 modules 1 2 cog books recitations

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  • BIO 340
  • BIO 340

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BIO 340 (Modules 1-2 Cog Books & Recitations (TBA) EXAM 1 QUESTIONS
AND ANSWERS ARIZONA STATE UNIVERSITY.
1. In Griffith's experiments, what made the harmless R DNA
cells grow capsules when exposed to heat-killed S
cells?

2. In the Hershey-Chase experiment radioactive Sulfur Be incorporated
was used to: into the phage pro-
tein coat because
some amino acids
contain sulfur

3. The experiments by Hershey and Chase helped con- Radioactive phos-
firm that DNA was the hereditary material on the basis phorus was found
of the finding that: inside the cell

4. If DNA of a particular species was analyzed and it was 23%
found that it contains 27 percent of adenine (A), what
would be the percentage of cytosine (C)?

5. Four nucleic acid samples are analyzed to deter- Sample 1
mine the percentages of the nucleotides they con-
tain. 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%)

6. Your chromosomes are located and they are inside the nucleus,
made of . DNA

7. A nucleotide is made of . sugar + phosphate
+ nitrogen base

8. A molecule of RNA (ribonucleic acid) contains the adenine, gua-
bases . nine, cytosine, and
uracil

9. Which of the following does cytosine pair with? Guanine

10.10.


, BIO 340 (Modules 1-2 Cog Books & Recitations (TBA) EXAM 1 QUESTIONS
AND ANSWERS ARIZONA STATE UNIVERSITY.
Prokaryotes contain a chromosome, and double-stranded
eukaryotes contain chromosomes. circular; double
stranded linear

11. How long would the peptide be that is translated from 4 amino acids
this mRNA sequence: 5'- AUGGGCUACCGA -3'?

12. What is the correct sequence of steps in the central DNA->RNA->Pro-
dogma? tein

13. Where does transcription take place in human/eukary- Nucleus
otic cells?

14. Where does translation take place in eukaryotic cells? Cytoplasm

15. Transcribe the following DNA sequence (non template 5'-AUGGCCGGU-
strand): 5'-ATGGCCGGTTATTAAGCA-3' UAUUAAGCA-3'

16. In which of the following pairs do both evolutionary Mutation and gene
processes introduce new genetic variation into a pop- flow
ulation?

17. Mutation can be defined as the addition of genetic True
variation that increases the hereditary diversity of a
population. T/F

18. If an allele has a frequency of 1: It is found in 100%
of the population

19. When male lions reach sexual maturity, they leave Gene flow
their group in search of a new pride. This can alter the
allele frequencies of the population through which of
the following mechanisms?

20. When closely related individuals mate with each other, Inbreeding can
or inbreed, the offspring are often not as fit as the bring together
offspring of two unrelated individuals. Why? rare, deleterious
mutations that
lead to harmful
phenotypes.

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