The Pill
a. reduces menstrual cramps.
b. can cause serious cardiovascular disorders
especially in smokers.
c. increases the risk of breast, cervical, and liver
cancers.
d. is the most common fertility control method in
the United States.
e. includes all of these.
Answer: e
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Black widowbirds can be described as medium-sized birds with orange and white shoulders
and showy tail feathers. This is __________.
a. their phenotype b. a description of their adaptations c. their genome d. an example of their alleles
A mechanism of gene regulation that controls the amount of mRNA available for translation is
_____________. Fill in the blank(s) with the appropriate word(s).
You have discovered a gene that appears to be crucial to the development of the nervous system in C. elegans. Which of the following techniques would allow you to investigate the transcriptional regulation and expression of this gene in vivo?
A) DNA cloning B) restriction endonuclease mapping C) replacing one copy of the gene with a reporter gene, such as GFP or lacZ D) transcriptional activator-like effector nucleases (TALENs) targeted gene disruption E) RNAi gene knockdown
Which of the following methods may introduce foreign DNA into a recipient?
A) transformation
B) transduction
C) conjugation
D) transformation, transduction, and conjugation