How does mineral mobility affect the symptoms of deficiency in plants?
a. Deficiency of a mobile nutrient usually affects older organs more than young ones
b. Deficiency of a mobile nutrient usually affects younger organs more than older ones
Answer: a. Deficiency of a mobile nutrient usually affects older organs more than young ones
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Chestnut blight _____
a. altered the species composition of eastern forests b. was caused by an introduced fungal pathogen c. was spread by wind-dispersed spores d. all of the above
Radioisotopes ____
a. are unstable and emit energy and particles to stabilize themselves. b. are different elements from the "standard" elements. c. are very stable and do not change over time. d. are so unstable that they rarely exist in nature e. exist only for carbon and oxygen
For a specific desirable trait in a breed of sheep, VP is 28.6, VC is 11, and VA is 7.2. What is its broad sense heritability?
What will be an ideal response?
What are the two molecules produced by cellular respiration?
What will be an ideal response?