An mRNA molecule with 1200 nucleotides from the beginning of the start codon to the end of the stop codon will make a polypeptide that is amino acids long. A. 900 B. 399 C. 400 D. 600 E. 1200

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast