Which of the following is a bacterium that performs oxygenic photosynthesis?
a. Cyanobacteria
b. Purple nonsulfur bacteria
c. Green sulfur bacteria
d. Green nonsulfur bacteria
e. Purple sulfur bacteria
Ans: a. Cyanobacteria
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The general order of classification below the domain or kingdom level is
A. phyla, class, family, order, genus, species. B. phyla, order, class, family, genus, species. C. phyla, order, family, class, genus, species. D. phyla, class, order, family, genus, species.
What is the function of NADH and FADH2?
a. Both release energy for glycolysis to proceed forward. b. Both provide electrons to the electron transfer system. c. Both produce ATP by substrate-level phosphorylation. d. NADH delivers electrons, while FADH2 supplies H+. e. NADH is found only in the cytosol and FADH2 only in the matrix.
Foraging honeybees communicate the location of a source of food by
A) using a unique verbal language. B) flying around the location. C) creating noises with their wings. D) releasing pheromones. E) doing a specific waggle dance.
H type of bone tissue forms the superficial layer of all bones?
Compact Spongy Red bone marrow Yellow bone marrow