QUESTIONS AND 100% CORRECT
ANSWERS { GRADED A+}
Children receiving chemotherapy or bone marrow transplants to treat
cancer have a weakened immune system. Some vaccinations are
comprised of a weakened live virus and are not recommended for those
who are immunocompromised. What strategies can help protect the
immunocompromised individuals in a community? Choose all that
apply.
(A) Achieve high vaccination rates to provide herd immunity.
(B) Vaccinate them even if they are immunocompromised.
,(C) Create an alternative non-live vaccine.
(C) Vaccinate their family and close contacts. - ✔✔A, C, D
What experimental question(s) can be addressed by a microarray
analysis? Choose all that apply.
(A) The sequence of a certain gene in an organism
(B) If a certain gene is being expressed in a specific tissue
(C) If a certain gene is being expressed in an organism
(D) If a certain gene is expressed at different levels in different tissues
(E) If a certain gene is expressed in some developmental stages but not
others - ✔✔B, C, D, E
Consider the following statements about genomes:
(1) There is a linear relationship between the size of a eukaryote's
genome and the number of protein-coding genes.
,(2) Although prokaryotic genomes are typically smaller than eukaryotic
genomes, a higher percentage of a prokaryote's genome consists of
repetitive sequences.
Determine which option below is correct.
(A) Statements 1 and 2 are both true.
(B) Statements 1 and 2 are both false.
(C) Statement 1 is true, Statement 2 is false.
(D) Statement 1 is false, Statement 2 is true. - ✔✔B
Which of the following sequences are most likely to be recognized by a
Type II restriction enzyme (the type described in your text)? Only one
strand of a double stranded DNA sequence is shown, and all sequences
are given 5'-3'. Choose all that apply.
(A) TTTTTT
, (B) AGAGAG
(C) GCAACG
(D) CCCGGG
(E) GATTACA - ✔✔D
Which of the following are typically used to construct a cDNA library?
The list does not necessarily contain everything needed. Choose all that
apply.
(A) DNA ligase
(B) Reverse transcriptase
(C) Whole cell DNA
(D) Primary mRNA transcripts
(E) DNA polymerase - ✔✔A, B, D, E