Carbon has 4 electrons and hydrogen has 1 electron in its outermost electron shell. A carbon atom can form covalent bonds with how many hydrogen atoms?
A. 0.
B. 1.
C. 2.
D. 3.
E. 4.
E. 4.
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After eating a carbohydrate-rich meal, the mammalian pancreas increases its secretion of _____
A) ecdysteroid B) glucagon C) thyroxine D) oxytocin E) insulin
The structure of the sliding clamp is ____ in bacteria, archaea and eukaryotes, which likely indicates that ____
a. largely variable; the function of the sliding clamp is different in these organisms b. largely variable; the function of the sliding clamp is similar in bacteria and archaea but different in eukaryotes c. highly conserved; the sliding clamp is involved in different processes depending on the organism d. highly conserved; the function of the sliding clamp is similar in these organisms e. largely variable; the sliding clamp is not essential for DNA replication
Gas becomes solid without first becoming liquid
What will be an ideal response?
Stage 1 glycolysis converts glucose into what?
What will be an ideal response?