According to target theory, the target molecule of a cell is _____.

a) any molecule in the cell
b) the DNA in the nucleus
c) a water molecule
d) a protein macromolecule


Ans: b) the DNA in the nucleus

Biology & Microbiology

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Which of the following is NOT a type of root?

A. buttress B. pneumatophore C. prop D. lateral E. adventurous

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Fats are major components of the cell’s

a. membranes. b. cytoplasm. c. proteins. d. ribosomes. e. mitochondria

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The structure labeled "B" is the ____

a. right ventricle b. right atrium

c. left atrium d. left ventricle e. superior vena cava

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