A DNA microarray is ____
a. used for gel electrophoresis
b. used identifying fragments of genes using a labeled probe
c. linked to self-replicating vectors to create recombinant DNA molecules
d. a series of long mRNA sequences placed on a solid support and has several uses
e. a series of short nucleotide sequences placed on a solid support and has several uses
e
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Diagram the basic steps of a stretch reflex arc.
What will be an ideal response?
The phagocyte that kills about 20 bacteria before dying is the ____
a. eosinophils b. macrophage c. neutrophils d. dendritic cell e. basophils
Behaviors that appear to be genetically programmed are called
A. voluntary. B. fixed action patterns. C. ultimate. D. reflexes. E. innate.
When a monocot such as corn germinates, the immature leaves are covered by a ________ while the radicle is covered by the ________.
A. coleoptile; coleorhiza B. plumule; coleorhiza C. hypocotyle; primary root D. hypocotyle; epicotyl