True or False: When studying animal behavior, the mechanistic approaches that are used to evaluate causation and development are more useful than using an analysis of adaptive functions and evolutionary history

A. true
B. false


B

Biology & Microbiology

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A recent study compared the Homo sapiens genome with that of Neanderthals. The results of the study indicated that there was a mixing of the two genomes at some period in evolutionary history

Additional data consistent with this hypothesis could be the discovery of _____. A) some Neanderthal sequences not found in living humans B) a few modern H. sapiens with some Neanderthal sequences C) duplications of several Neanderthal genes on a Neanderthal chromosome D) some Neanderthal chromosomes that are shorter than their counterparts in living humans

Biology & Microbiology

Each nucleosome contains:

A. four proteins: H2A, H2B, H3, and H4 B. a histone octamer composed of two copies of each of the following proteins: H1, H2, H3, and H4 C. a histone octamer composed of two copies of each of the following proteins: H2A, H2B, H3, and H4 D. four proteins: SMC1, SMC2, SMC3, and SMC4 E. a mixture of histone and SMC proteins.

Biology & Microbiology

Maurice Wilkins and Rosalind Franklin obtained X-ray diffraction photographs that indicted that DNA has a ____________________ shape with a constant diameter

Fill in the blank(s) with correct word

Biology & Microbiology

Ribbon worms have a unique __________ that is used to capture prey

A. proboscis B. tentacle C. set of jaws D. claw E. forked leg

Biology & Microbiology