Heterochromatin does not exist in interphase nuclei
a. true
b. false
Ans: b. false
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Camptodactyly causes ____
a. bent, immobile little fingers b. breathing difficulties c. loose joints d. muscle deterioration e. near-sightedness
Which of the following do virtually all scientists agree is occurring?
a. the distribution of populations is shrinking globally d. the Earth’s atmosphere and oceans are getting steadily warmer b. the distribution of polar species will contract to lower latitudes e. the biosphere is shrinking c. global warming will not change the timing of important biological events
Over the past 100 million years, species richness has declined for gymnosperms and has increased for angiosperms
Indicate whether the statement is true or false
The difference between the gray and white matter of the cerebrum is that:a
gray matter makes up the core, while white matter makes up the cortex. b. gray matter contains dendrites, while white matter contains cell bodies. c. gray matter contains unmyelinated axons, while white matter contains cell bodies. d. gray matter contains cell bodies, while white matter mostly contains myelinated axons. e. gray matter is in the right hemisphere, while white matter is in the left one.