Recall the Stalactite-Like Slime Formations Oozing from Cave Walls in the Case

question 7

Multiple Choice

Recall the stalactite-like slime formations oozing from cave walls in the case "The First Cell: Life's Origin" just before Chapter 2. 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

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Definitions:

Type A Personality

A personality trait characterized by high levels of competitiveness, self-imposed stress, and a constant sense of urgency.

Competitive

Characterized by or involving competition between entities such as individuals or businesses.

Hot-Tempered

A temperament characterized by quickness to anger or impatience.

Cortisol

A steroid hormone released by the adrenal glands in response to stress or low blood glucose; plays a key part in the body's stress response.