Which of the following would possess a cnidocyte?
a) insect
b) sponge
c) starfish
d) jellyfish
Ans: d) jellyfish
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Photorespiration in chloroplasts differs from cellular respiration in mitochondria in that ___
A. ATP is required for photorespiration but is a product of mitochondrial respiration B. NADH supplies high energy electrons in mitochondrial respiration, whereas RuBP supplies the electrons necessary for photorespiration. C. photorespiration supplies plant cells with ATP. Mitochondrial respiration supplies animal cells with ATP. D. carbon dioxide is produced in mitochondrial respiration, and oxygen is produced in photorespiration
Desmosome junctions are calcium-dependent but cadherin junctions are not
a. true b. false
Fungi are classified according to
A. sexual reproductive structures B. shape of their hyphae C. mode of nutrition D. type of cell wall E. All of these are correct
Which of the following applies to the deepest zone of a large lake?
a. effective recycling of minerals b. anaerobic conditions c. a mineral-poor zone d. plentiful light penetration e. numerous organisms