Which of the following is the ultimate source of chemical energy for all living organisms?
a. glucose
b. photosynthesis
c. GTP
d. cellular respiration
Ans: b. photosynthesis
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In metabolic processes that generate energy from six-carbon sugars like glucose, a molecule called NAD is often attached to an enzyme carrying out one of the metabolic reactions
Which one of the following folding domains is most likely to be found in the region of one of these enzymes where association with NAD occurs? A. Rossman folds B. TIM barrels C. beta barrels D. globin folds E. Rossman folds, TIM barrels, beta barrels and globin folds are all equally likely to be found in a metabolic enzyme in the region of attachment to NAd.
Where would one find MALT?
a. Tonsils b. Nasal passages c. Skin d. Lymph nodes
Select the correct sequence of animal developmental events
a. fertilization ? cleavage ? gastrula ? blastula b. fertilization ? cleavage ? blastula ? gastrula c. fertilization ? blastula ? cleavage ? gastrula d. fertilization ? gastrula ? blastula ? cleavage e. fertilization ? blastula ? gastrula ? cleavage
Mycorrhizae surround and infiltrate the ________ of vascular plants
A) roots B) leaves C) seeds D) flowers E) stems