Which of the following is transcribed from DNA and contains instructions for a protein?
cDNA
tRNA
mRNA(~00:16)
RT
Question 2
Describe the flow of genetic information within the cell.
Answer: DNA → RNA → Protein (~ 00:18)
Question 3
What are DNA microarray assays?
Answer: DNA microarray assays are a collection of single-stranded DNA fragments that represent
various genes (~2:23).
Question 4
What does each well in a microarray analysis contain?
Answer: Each well contains identical copies of DNA fragments that carry a specific gene (~4:21).
Question 5
Which of the following genes encodes for a protein in the polyamine biosynthesis pathway?
FGG
SIAT9
CYP24
ODC1 (~5:11; Microarray Table file)
Question 6
If the results of a microarray analysis conducted in a research laboratory showed that a gene turned green, what
would this indicate about the gene?
Answer: The color green indicates that the gene is expressed (transcribed) more in normal lung cells than
in cancer cells (~ 5:21; Microarray Table file).
Question 7
True or False: Transcribing a gene means that it is turned
“off”. False; Transcribing a gene means that it is turned “on”
(~6:33).
Question 8
True or False: Tumor suppressor genes promote cell growth, cell division, and cell proliferation.
Answer: False; Oncogenes promote cell growth, cell division, and cell proliferation (~7:02)
, Question 9
Multiple Choice:
DNA is into mRNA, which is then into proteins.
transcribed; translated(~6:07)
Lab 2 Exam-
Question 1
Multiple Choice: What region of the abdomen is the pancreas located in?
Correct!
Epigastric(~ 00:17)
Peritoneal
Thoracic
Hepatic
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