When a phosphate group is removed from an ATP molecule, a(n) _____________ molecule is formed.
A.) pyruvate
B.) glucose
C.) ATP
D.) ADP
Ans: D.) ADP
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Competition and predation are one-sided interactions called ____ , in which at least one participant experiences a loss
Fill in the blank with the appropriate word.
A cell biologist is studying how toxins damage cells and prevent the transfer of signals from
outside to inside the cell. Which cell component is he studying?
a. plasma membrane b. cytoplasm c. ribosomes d. mitochondria
The walls of adjacent plant cells are held together by the ____
a. secondary cell wall b. cell membrane c. primary cell wall d. middle lamella e. plasmodesmata
All of the following pertain to cephalosporins, except
A. many are administered by injection, not orally. B. they have a beta-lactam ring. C. newer generations have activity against gram-negative bacteria. D. they have greater resistance to beta-lactamases. E. they are are synthetic drugs.