Refer to Figure 44-1 in the book. To which group are sponges more closely related?
A. choanoflagellates
B. bilaterians
C. equal relationship to both
choanoflagellates and biletarians
B
Biology & Microbiology
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Which of the following pigments is found exclusively in red algae?
A) chlorophyll a B) chlorophyll c C) lutein D) phycoerythrin E) ?-carotene
Biology & Microbiology
Receptors on the surface of ____________________ T cells recognize the antigens displayed on the surface of an infected cell
Fill in the blank(s) with correct word
Biology & Microbiology
Where will RNA polymerase bind to a prokaryotic operon to initiate transcription if a repressor is absent?
a. transcriptional start site b. promoter c. operator d. coding region
Biology & Microbiology
When looking at a table depicting the genetic code, the base sequences signify
a. DNA. b. mtDNA. c. mRNA. d. tRNA. e. rRNA.
Biology & Microbiology