Which of the following is an incorrect pairing?
A) magnification; refraction of radiation
B) contrast; staining techniques
C) numerical aperture; curved glass
D) dark field: high contrast
E) electron beams; shorter wavelength
C
Bloom's Taxonomy: Comprehension
Section: Microscopy
Learning Outcome: 4.4, 4.8
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In plants, the
A. diploid zygote develops into the gametophyte. B. diploid zygote develops into the sporophyte. C. haploid gametophyte develops into the sporophyte. D. haploid zygote develops into the sporophyte. E. haploid gametophyte produces gametes by meiosis.
Dynein is a molecular motor that:
a. Moves cargo to the plasma membrane b. Moves cargo to the actin filaments c. Moves cargo to the centrosome d. Acts as an actin filament e. None of the above
Emery had no freckles. His wife, Marguerite, was clearly freckled but known to be heterozygous for the gene. Predict the chance that any one of their children will have freckles
A) 75% B) 25% C) 100% D) 50%
Consider the following proposed determining function for a student's grade on the econometrics final, FinalGradei = 68 + 4 HoursStudiedi - 0.5 Num Other Finalsi2 + Ui, where hours studied is the number of hours studied during finals week by student i, and number of other finals squared is the number of other finals student i has during finals week squared. Derive the formula for the change in a student's final grade with respect to a unit change in the number of other finals the student has in finals week.
A. Final Grade increases by 0.5 × (Num Other Finals). B. Final Grade decreases by Num Other Finals. C. Final Grade decreases by 0.5. D. Final Grade increases by 4.