The reason that better resolution cannot be achieved with the compound light microscopes used in the lab (i.e., the limiting factor of the compound light microscope) is the:
A) “high-tech” capabilities of the company that we purchased them from.
B) manner in which the objective lenses were ground.
C) fact that the eyepiece (ocular) magnification is only ×10.
D) wavelength of visible light.
D) wavelength of visible light.
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In all seed plants, male and female ___________ develop within the parent sporophyte and are completely dependent on it for nutrition and water.
Fill in the blank(s) with the appropriate word(s).
Vertigo can result from: a. an inner ear infection
b. conflicting sensory information. c. a stroke. d. loose particles in the semicircular canals. e. All of these choices.
Mitochondria are proposed to have evolved before chloroplasts based on which observation?
A. All organisms have mitochondria and conduct cell respiration. B. Mitochondria are larger, with more complex structures than chloroplasts. C. Mitochondria produced the oxygen found in the atmosphere. D. All eukaryotes have mitochondria, but not all eukaryotes have chloroplasts. E. All prokaryotes have mitochondria, but not all prokaryotes have chloroplasts.
Skin accounts for nearly 15% of the weight of an average human.
Answer the following statement true (T) or false (F)