A diploid organism has a chromosome with 10 genes. It has a different allele for each gene on its two
chromosomes. How many possible outcomes for chromosome destined for a gamete after meiosis
exist? What will be an ideal response?
Each gene has 2 possibilities. Thus, 2 to the power of 10, or 1024 possibilities exist.
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All are true of oyster reefs except
a. they are oriented perpendicular to currents. b. they are concentrated in lower salinity areas. c. they are important habitats for other organisms. d. they are adversely affected by rapid changes in salinity. e. they are increasing in the Chesapeake Bay.
Telomerase is an enzyme that unwinds DNA during DNA replication.
Answer the following statement true (T) or false (F)
A group of proteins with actions including antiviral activity are the:a
tumor necrosis factors
b. chemokines. c. complement systems. d. interleukins. e. interferons
The period in which an axon membrane cannot act is called __________.
A) saltatory conduction B) depolarization C) the refractory period D) a resting potential E) an action potential