Exam (elaborations)
BIO 340 Exam 1 Questions with Complete Solutions Graded A+
- Course
- Institution
BIO 340 Exam 1 Questions with Complete Solutions Graded A+
[Show more]
Content preview
BIO 340 Exam 1Questions with
Complete Solutions
Graded A+
Denning Muriithi [Date] [Course title]
, BIO 340 Exam 1
1. In Griffith's experiments, what made the harmless R cells grow
capsules when exposed to heat-killed S cells? Correct Ans: DNA
2. In the Hershey-Chase experiment radioactive Sulfur was used to Correct
Ans: Correct Ans: Be incor- porated into the phage protein coat because
some amino acids contain sulfur
3. 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
4. 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%
5. Four nucleic acid samples are analyzed to determine the percentages of
the nucleotides they contain. Which of the following DNA sample(s) could be
dou- ble-stranded DNA? Sample 1 Correct Ans: A(22%), G(28%), T(22%),
U(0%), C(28%); Sample 2 Correct Ans: A(30%), G(30%), T(0%), U(20%), C(20%);
Sample 3 Correct Ans: A(18%), G(32%), T(0%), U(18%), C(32%); Sample 4
Correct Ans: A(29%), G(29%), T(21%), U(0%), C(21%) Correct Ans: Sample 1
6. Your chromosomes are located
and they are made of
. Correct Ans: inside the nucleus, DNA
7. A nucleotide is made of . Correct Ans: sugar + phosphate +
nitrogen base
8. A molecule of RNA (ribonucleic acid) contains the bases . Correct
Ans: adenine, guanine, cytosine, and uracil
9. Which of the following does cytosine pair with? Correct Ans: Guanine
10. Prokaryotes contain a chromosome,
and eukaryotes contain
chromosomes. Correct Ans: double-stranded circular; double
stranded linear
11.How long would the peptide be that is translated from this mRNA
se- quence Correct Ans: 5'- AUGGGCUACCGA -3'? Correct Ans: 4
amino acids
12. What is the correct sequence of steps in the central dogma? Correct Ans
-
DNA->RNA->Protein
13.Where does transcription take place in human/eukaryotic cells? Correct
Ans: Nucleus
14.Where does translation take place in eukaryotic cells? Correct Ans:
Cytoplasm
2/8
, BIO 340 Exam 1
15.Transcribe the following DNA sequence (non template strand) Correct
Ans: 5'-ATGGC- CGGTTATTAAGCA-3' Correct Ans: 5'-
AUGGCCGGUUAUUAAGCA-3'
16.In which of the following pairs do both evolutionary processes
introduce new genetic variation into a population? Correct Ans: Mutation
and gene flow
17.Mutation can be defined as the addition of genetic variation that
increases the hereditary diversity of a population. T/F Correct Ans: True
18.If an allele has a frequency of 1 Correct Ans: Correct Ans: It is found in
100% of the population
19.When male lions reach sexual maturity, they leave their group in search
of a new pride. This can alter the allele frequencies of the population
through which of the following mechanisms? Correct Ans: Gene flow
3/8
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller YourExamplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
62890 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now