Whole genome duplication, referred to as _______, was likely a major factor in the rapid diversification of angiosperms.
A. Homospory
B. Heterospory
C. Polyploidy
D. Self-fertilization
E. Double fertilization
Answer: C. Polyploidy
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Which habitat type in the figure above makes available the most new tissue to consumers?
A) tropical wet forest B) open ocean C) algal beds and reefs D) wetlands
If a pea plant strain is true-breeding for a particular trait, then:
A. crosses between two true-breeding plants with the same trait will have offspring identical to the parents. B. it will be homozygous for all genes. C. it must be a recessive trait. D. it is not useful for studying inheritance. E. it only self-fertilizes.
The immunoglobulin monomer consists of
A. four large chains. B. two heavy and two light chains. C. five light chains. D. three heavy and three light chains.
Vacuoles are ________
A) membranous sacs B) manufactured by ribosomes C) composed of microtubules D) found only in plant cells