The simplest cephalization occurs in:
a. earthworms
b. planarian flatworms
c. jellyfish
d. vertebrates
e. grasshoppers
b
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Which process produces a gaseous product that can be used as fuel to provide heat or power for a wastewater treatment plant?
A) trickling filter secondary wastewater treatment B) aerobic secondary wastewater treatment C) anaerobic secondary wastewater treatment D) primary wastewater treatment
A ________ is a DNA molecule used in hybridization reactions to detect the presence of a particular gene in separated DNA fragments.
A. blot B. vector C. probe D. plasmid
In some species of birds, males with the brightest plumage have the fewest parasites
Indicate whether the statement is true or false
What can act as a vector to introduce new genes into a cell?
A) primers B) ligase C) restriction enzymes D) plasmids