If a diploid organism has a genome consisting
of 4 pairs of chromosomes, it can produce
____ different combinations of maternal and
paternal chromosomes (disregarding crossing
over).
a. 4
b. 8
c. 12
d. 16
e. 32
D
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If all of the fungi on Earth ceased to exist, what would happen to the carbon cycle? Select all correct choices
A. As fungi are photosynthetic, less CO2 would be removed from the atmosphere. B. As fungi are decomposers, less CO2 would be released back into the atmosphere. C. As fungi are photosynthetic, more CO2 would be removed from the atmosphere. D. As fungi are decomposers, more CO2 would be released back into the atmosphere.
Agar is a substance used as a culture medium in the laboratory. It is extracted from the cell walls of
____ algae.
a. green b. golden c. blue-green d. brown e. red
The process by which a cell uses ATP to enclose a substance in its membrane, by forming a vacuole and engulfing it, is called ________.
A. endocytosis B. facilitated diffusion C. diffusion D. active transport E. osmosis
Endoderm and ectoderm are the first two germ layers to develop.
Answer the following statement(s) true (T) or false (F)