The adhesion molecules in plants are most similar to those of:
A. animals.
B. choanoflagellates.
C. green algae.
D. cyanobacteria.
C
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Animals with bilateral symmetry typically have (select all that apply):
A. distinct front (head) and back (tail) ends. B. specialized sensory organs clustered at the front, or head, end. C. specialized appendages along both sides for locomotion. D. specializations for rapid locomotion in all directions. E. complex behavior.
The structure of bacterial chromosomes differs from that of eukaryotic organisms in all of the following except:
a. bacterial chromosomes are typically cir-cular. b. the genes are polycistronic. c. the bacteria have two copies of each chromosome. d. bacterial mutations are easily transmitted or inherited.
The loss of genetic information no longer needed for an intracellular existence by an obligate parasite is called genomic ________ .
Fill in the blank(s) with the appropriate word(s).
The letter “B” in the above figure represents
a. humerus b. pectoral girdle c. skull d. sternum e. pelvic girdle