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.

Biology & Microbiology

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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.

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology