Prokaryotic cell walls consist of a network of polysaccharide molecules connected by cross-bridges of
A. other polysaccharides.
B. lipids.
C. peptides.
D. ribosomes.
E. chromosomal DNA.
C. peptides.
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CPEs are:
A. cytoplasmic sequences for polyadenylation. B. nuclear polyadenylation sequences. C. cytoplasmic proteins that disrupt the interaction between eIF4E and eIF4G. D. None of the above is correct.
A birth control implant is __________.
A birth control implant is __________. (Check all that are true) [A] inserted in the arm [B] about $10, and lasts up to three years [C] a matchstick-sized rod [D] able to prevent STDs.
In summer, when plant roots are converting sugar to store as starch, the root is the sugar ________ and the leaves are the sugar ________
A) source; source B) sink; sink C) source; sink D) sink; source or sink E) sink; source
The nucleolus organizer region (NOR) is responsible for production of what type of cell structure?
A) ribosome B) endoplasmic reticulum C) nucleolus D) mitochondria E) chromatids