DNA contains the template needed to copy itself, but it has no catalytic activity in cells. What catalyzes the formation of phosphodiester bonds between adjacent nucleotides in the DNA polymer being formed?
A) ribozymes
B) DNA polymerase
C) ATP
D) deoxyribonucleotide triphosphates
Answer: B
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Populations of all organisms change from one generation to the next because their DNA changes over time. This is
known as ____.
a. developmental selection b. cellular respiration c. experimental variables d. genomics e. biological evolution
Synaptic integration means that ____
a. positive or excitatory stimuli produce an excitatory postsynaptic potential b. the positive and negative ions neutralize each other c. excitatory and inhibitory signals are summed in a receiving neuron d. the adjacent neurons interact so that excitatory and inhibitory stimuli cancel each other out e. excitatory signals take precedence over inhibitory signals
Soil particles are classified on the basis of
A) age. B) color. C) water content. D) size.
Cell condition in which two of each type of chromosome are present.
What will be an ideal response?