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. Resistance genes.
C. Genes that encode microRNAs.
D. Genes that lead to the production of NO.
A. Avirulence genes.
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Foraminifera are a type of protist that
A. cause malaria. B. are associated with human disease. C. help in estimating the age of ocean deposits. D. move by means of flagella.
Albumin is the large protein molecule found in egg white and blood plasma. Table salt dissociates into sodium and chloride ions. Urea is assembled in the liver. In a healthy person, what is the fate of the majority of these molecules as they pass through a nephron?
A. Albumin remains in the blood, salt ions move into the filtrate but most are reabsorbed, and the urea moves into the filtrate and is excreted in the urine. B. Albumin remains in the blood and salt ions and urea moved into the glomerular filtrate and excreted in the urine. C. All three move into the glomerular capsule but the salt ions are mostly reabsorbed. D. All three remain in the bloodstream. E. All three move into the glomerular capsule and are excreted in urine.
________________are special reproductive organs inside which gamete production occurs.
Fill in the blank(s) with the appropriate word(s).
When SEO gene expression is inactivated in tobacco plants, injured mutant plants exude nine times more sugar than injured wild type plants. What do SEO genes encode?
A. P proteins B. Lignin C. ABA receptors D. aquaporins