The X-inactive specific transcripts gene is designated
A) SRY.
B) XIC.
C) Xce.
D) MATa.
E) Xist.
E
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What is allowing new diseases that are driving the Panamanian golden frog (Atelopus sp.) to extinction?
A. deforestation B. new predators C. climate change D. introduced species E. All of the choices are correct
A cell with a Barr body is_____
a. a bacterium b. a sex cell c. from a female mammal d. infected by Barr virus
"Immediate early genes" such as myc can best be thought of as genes that
a) Are only expressed in the absence of growth factor (GF) stimulation b) Become permanently switched off during tumorigenesis c) Code for GF receptors such as RTKs d) Represent the first wave of expression following GF stimulation
Transduction is a form of recombination in bacteria that involves ________
A) bacteriophages B) physical contact between the bacteria involved C) 5-bromouracil D) fertility factors E) plasmids