Of all organisms, prokaryotes are
a. the smallest.
b. the most abundant.
c. the most metabolically diverse.
d. the most widespread.
e. all of these
E
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The class of organic molecules defined by a physical property rather than a structure are the:
A. lipids B. carbohydrates C. proteins D. DNA E. RNA
Recent evidence suggests that hydrogenosomes and mitochondria evolved from different endosymbiotically derived organelles.
Answer the following statement true (T) or false (F)
The dark shadings in the above map show the distribution of ________ across the world
A) primary economic activities B) secondary economic activities C) tertiary economic activities D) localization economies E) backwash effects
Refer to Figure 42-2. The type of neuron labeled 1 is:
a. a motor neuron.
b. a basal ganglion.
c. a sensory neuron.
d. a presynaptic neuron.
e. an interneuron