Nephrons are found in

a. annelids.
b. mammals.
c. flatworms.
d. insects.
e. adult mollusks.


B

Biology & Microbiology

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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.

Biology & Microbiology

Ancestors of ____ may have possessed mitochondria, which were lost or reduced during evolutionary history

a. Paramecium b. Laminaria

c. Amoeba d. Euglena e. Giardia

Biology & Microbiology

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

Biology & Microbiology

How do pseudogenes differ from the genes from which they were derived?

What will be an ideal response?

Biology & Microbiology