Which of the following pigments would you find in a typical leaf?
(a) chlorophyll, xanthophyll, phycobilins.
(b) chlorophyll a, chlorophyll b, carotenoids.
(c) phycocyanin, xanthophyll, fucoxanthin.
(d) carotenoids, chlorophylls, phycoerythrin.
(b) chlorophyll a, chlorophyll b, carotenoids.
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A biologist discovered a new animal. Upon studying its embryonic development, she observed radial cleavage with the blastopore developing into an anus. This animal was categorized as a
A. parazoan. B. radiata. C. deuterostome. D. protostome. E. pseudocoelomate.
The first step in the Calvin cycle is the attachment of carbon dioxide to:
a. Rubisco. b. glyceraldehyde 3-phosphate (G3P). c. phosphoglycerate d. RuBP (ribulose bisphosphate). e. ATP.
Which test is used to measure the IgE present in allergic patients?
A.) fluorescent antibody tests B.) Rapid Plasma Reagin (RPR) test C.) Weil-Felix reaction D.) RIST E.) ELISA
An environmental testing laboratory is unable to identify a single-celled organism isolated from a well water sample. Inspection of the microorganism with a compound microscope reveals that it uses pseudopodia for movement and is not enclosed within a mineral shell. Based on this information, this organism can be classified to which supergroup?
A. Opisthokonta B. Alveolata C. Amoebozoa D. Excavata E. Rhizaria