G-protein-coupled receptors are found in both prokaryotes and eukaryotes
a. True
b. False
ANSWER: False
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The gonads produce steroids. Which organelle would likely be present in this tissue?
A. ribosome B. lysosome C. smooth endoplasmic reticulum D. mitochondria E. contractile vacuole
In a bacterial cell, the three genes of the lactose operon are
A) expressed continuously. B) expressed when lactose synthesis is required. C) expressed only in the presence of lactose. D) never expressed, because they are pseudogenes.
Medical asepsis eliminates all microbes from an object or area
Indicate whether the statement is true or false
Use the concepts of antigenic drift and antigenic shift to describe why influenza causes both "routine" seasonal outbreaks as well as to periodically cause more serious global outbreaks, or pandemics
What will be an ideal response?