Which of the following are the major groups of vascular plants?
A. liverworts, ferns/horsetails, gymnosperms,
and angiosperms
B. liverworts, hornworts, mosses, and
lycophytes
C. lycophytes, ferns/horsetails, mosses, and
gymnosperms
D. angiosperms, lycophytes, gymnosperms,
and ferns/horsetails
E. mosses, liverworts, ferns/horsetails, and
lycophytes
D
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Coelomates are:
A. two embryos that develop in the same coelom B. animals that have a true coelom C. animals that have two coeloms D. animals that have no coelom E. animals in which the coelom disappears at gastrulation
Which of the following cytokines is most antiviral in its action?
A. Interleukin-1 B. Interleukin-2 C. Interferon D. Lysozyme
In a phospholipid, glycerol is bound to
a. three phosphate groups, each of which are bound to fatty acids. b. two fatty acid chains and one phosphate group. c. two phosphate groups, each of which are bound to hydrogen. d. three phosphate groups, two of which are bound to fatty acids. e. two phosphate groups on one side and three fatty acids on the other side.
Karyotypes are a method for displaying chromosomes by grouping them into homologous pairs based on what two distinguishing factors?
What will be an ideal response?