The fungus Botrytis cinerea infects grapes. When grapes infected with this fungus are picked at the appropriate stage, they produce a delicious sweet wine. In order for wine producers to encourage this infection, they could try to enhance the function of which fungal genes?
A. avirulence genes
B. genes that encode microRNAs
C. sesistance genes
D. genes that lead to the production of NO
Answer: A
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Once a mother has been sensitized to the Rh factor,
A. she can be given RhoGAM in future pregnancies to prevent hemolytic disease of the newborn. B. only future Rh- fetuses are at risk. C. all other Rh+ fetuses are at risk. D. she can never again have a low risk pregnancy. E. None of the choices are correct.
Phospholipids have the ability to spontaneously form membranes when placed in water. Why was this important in the origin of life on Earth?
A. Membranes are used by cells to store genetic information. B. Membranes are used by cells to catalyze reactions. C. Membranes protect a cell from gases in the atmosphere. D. Membranes are used by cells to isolate their contents from the environment. E. Membranes protect a cell from high temperatures and pressures in the environment.
Warming global temperatures have been causing this aquatic fungal group to proliferate, resulting in declining from populations in Australia and the Americas.
a. Ascomycota b. Microsporidia c. Zygomycetes d. Basidiomycetes e. Chytrids
A cluster of sporophytes on a club moss form a cone-shaped structures called a(n) ________.
A. Antheridium B. Strobilus C. Gemmae D. Archegonium E. Protonema