Nephrons are found in
a. annelids.
b. mammals.
c. flatworms.
d. insects.
e. adult mollusks.
B
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Incubation of cells at 20°C blocks the release of proteins from the trans-Golgi. Under such conditions, you would expect to see
A. an increase in exocytosis. B. a decrease in exocytosis. C. an increase in endocytosis. D. a decrease in endocytosis.
Ancestors of ____ may have possessed mitochondria, which were lost or reduced during evolutionary history
a. Paramecium b. Laminaria
c. Amoeba d. Euglena e. Giardia
Identify the correct sequence of events that occur during the reproduction of HIV.
A. virus attaches to a host cell - the virus enters the cell - viral DNA is incorporated into the host DNA - reverse transcriptase occurs - viral / host DNA is turned into a viral mRNA code - the viral RNA forms into a mature virus - mature viruses leave the host cell B. virus attaches to a host cell - the virus enters the cell - viral DNA is incorporated into the host DNA - reverse transcriptase occurs - the viral RNA forms into a mature virus - viral / host DNA is turned into a viral mRNA code - mature viruses leave the host cell C. virus attaches to a host cell - the virus enters the cell - reverse transcriptase occurs - viral DNA is incorporated into the host DNA - viral / host DNA is turned into a viral mRNA code - the viral RNA forms into a mature virus - mature viruses leave the host cell D. virus attaches to a host cell - the virus enters the cell - viral / host DNA is turned into a viral mRNA code - viral DNA is incorporated into the host DNA - reverse transcriptase occurs - the viral RNA forms into a mature virus - mature viruses leave the host cell
How do pseudogenes differ from the genes from which they were derived?
What will be an ideal response?