Which type of secondary structure can be either intermolecular or intramolecular?

A) a-helix
B) b-pleated sheet
C) hairpin turn
D) all of these


B

Environmental & Atmospheric Sciences

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____________ ____________ is the movement of sediment along the coast, driven by waves on the beach and

currents just offshore. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

What organism uses the tides, specifically high spring tides, to time their breeding behaviors?

a. Fiddle crabs b. Grunion c. Hantzchia d. Sand crabs

Environmental & Atmospheric Sciences

The San Andreas fault is a good example of a

A. hotspot. B. divergent plate boundary. C. convergent plate boundary. D. transform plate boundary.

Environmental & Atmospheric Sciences

What three components make up most magmas?

A) Silicon, potassium feldspar, and muscovite B) Water, melted rock, and solid crystals C) Lava, ash, and gas D) Liquid portion, solid portion, gaseous portion

Environmental & Atmospheric Sciences