Recall the stalactite-like slime formations oozing from cave walls in the case "The First Cell: Life's Origin." The slimy bits hanging from the cave surface are secretions from the extremophile bacteria that live in this unusual environment
and are composed of water, acids, and mucous secretions. What types of chemical bonds are likely to anchor and stabilize these long, slender strands found hanging in the caves?
A. nonpolar covalent bonds and hydrogen bonds
B. hydrogen bonds
C. hydrogen bonds and disulfide bridges
D. polar covalent bonds and hydrogen bonds
Answer B
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A) a farming technique B) process for creating fertilizers C) process for organic farming D) use of burning in agriculture
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A) a growth factor and mitotic factor B) ATP synthetase and a protease C) cyclin and tubulin D) cyclin and a cyclin-dependent kinase