What is the agricultural significance of root nodules on plants?
1.The nodules help hold soil in place so there is less erosion.
2.The nodules place nitrogen in the soil, so that less fertilizer is required.
3.The nodules increase the surface area of the root for water absorption, so less irrigation water is needed.
4.Root nodules would play no role in agricultural plants.
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Hemolytic disease of the newborn could result from which one of the following situations?
A) mother is Rh+; fetus is Rh- B) mother is Rh-; fetus is Rh+ C) mother is Rh+; fetus is Rh+ D) mother is Rh-; fetus is Rh-
In commercial food manufacturing, what is the purpose of hydrogenation?
A) to make an unsaturated fat more saturated B) to reduce the amount of "empty calories" in a carbohydrate C) to convert fatty acids into amino acids D) to convert vitamins into minerals
The nucleases (enzymes that hydrolyzes DNA) are considered virulence factor because:
A. They attack the DNA of the host cells B. They attack the DNA of the normal bacteria flora of the host C. They destroy the Neutrophils Extracellular Traps D. They destroy the DNA of the neutrophils E. They destroy the DNA of the macrophages
If a parent cell has 22 chromosomes, the daughter cells following meiosis II will have
a. 22 chromosomes. b. 44 chromosomes. c. 11 chromosomes. d. All of these are correct.