If you were to prune the shoot tips of a plant, what would be the effect on the plant and the leaf area index?
A) bushier plants; lower leaf area index
B) tall plants; lower leaf area index
C) tall plants; higher leaf area index
D) short plants; lower leaf area index
E) bushier plants; higher leaf area indexes
Answer: E) bushier plants; higher leaf area indexes
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When a ciliate reproduces asexually by mitosis:
A. The macronucleus divides into two with each new cell receiving an identical macronucleus. B. The macronucleus divides into four micronuclei with each new cell receiving two micronuclei each. C. The macronucleus doesn't divide but it goes to one new cell and the micronuclei go to the other. D. The macronuclei fuse with the micronuclei and then divide into two with each new cell receiving an identical fused nucleus. E. none of the other choices provided
The Reference Method for Broth Dilution Antifungal Susceptibility Testing of Filamentous Fungi; Approved Standard (M38-A2) describes the guidelines for antifungal susceptibility test-ing for molds. The suspension must be standardized with a spectrophotometer. Susceptibility testing is determined by which method?
a. Disk diffusion b. Microdilution c. Broth dilution d. Immunodiffusion
As sperm first reach the oocyte, they will contact the ________:
a. acrosome b. corona radiata c. sperm-binding receptors d. zona pellucida
Although the membrane of a "resting" neuron is highly permeable to potassium ions, its membrane potential does not exactly match the equilibrium potential for potassium because the neuronal membrane is also _____
A) slightly permeable to sodium ions B) fully permeable to calcium ions C) impermeable to sodium ions D) highly permeable to chloride ions