A nucleotide is composed of:
A. a five-carbon sugar
B. a phosphate
C. a nitrogenous base
D. all of these
D. all of these
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Humans are the only primates known to forge cooperative ties and friendships
Indicate whether the statement is true or false.
Evidence for religious beliefs among Neandertals includes __________
A. cave paintings of supernatural beings B. small chambers in the far recesses of caves that contained "religious objects," primarily clay figures of gods and goddesses C. a cave containing a number of cave bear skulls arranged on stone slabs D. larger ritual sites such as Stonehenge
The Irish potato famine caused a population drop on the island at that time from 8 million to _______________
Fill in the blank(s) with correct word
How do new reproductive technologies challenge kinship terminology systems?
What will be an ideal response?