Answer the following statements true (T) or false (F)
1.Mycologists classify fungi into five phyla based on their sexual structures.
2.Ascomycetes are fungi that cause disease and are not beneficial to humans in any way.
3.A dikaryotic stage is common in the life cycle of many plants, protozoans, and fungi.
4.Salt and sugar in high enough concentrations retard mold growth by limiting the ability of these organisms to take up water by osmosis.
5.Some animals are autotrophs.
1.TRUE
A basic fungal life cycle is shared among the fungal
2.FALSE
3.FALSE
4.TRUE
5.FALSE
Animals are diverse, yet share the basic source of nutrient molecules for metabolism.
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A) microRNAs (miRNA). B) silencing RNAs (siRNA). C) messaging RNAs (mRNA). D) both choices A and C E) all of the above
Triglycerides contain:
a. fatty acids only b. phosphate only c. glycerol only d. fatty acids and phosphate e. glycerol and fatty acids
Why is anal sex more apt to transfer HIV than vaginal sex? What will be an ideal response?
When nondisjunction occurs early in embryogenesis rather than gametogenesis, what would you expect in the resulting karyotype?
A) monosomy B) trisomy C) mosaicism D) uniparental disomy E) random X-inactivation