The ability of a lens to gather light is referred to as its
A) resolution.
B) numerical aperture.
C) refraction.
D) contrast.
E) magnification.
B
Bloom's Taxonomy: Knowledge
Section: Microscopy
Learning Outcome: 4.6
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Which of the following is the strongest evidence that protein structure and function are correlated?
A) Proteins function best at certain temperatures. B) Proteins have four distinct levels of structure and many functions. C) Enzymes tend to be globular in shape. D) Denatured (unfolded) proteins do not function normally.
In a hypothetical land ecosystem, plants- the
primary producers- capture 1000 kilocalories of sunlight energy per square meter per year. Approximately, how many kilocalories of the plant’s energy will be harvested by the third trophic level?
a. 1 b. 10 c. 100 d. 1000 e. impossible to calculate
During asexual reproduction, the genetic material of the parent is passed on to the offspring by
a. homologous pairing. b. meiosis and fertilization. c. mitosis and cytokinesis. d. karyotyping. e. chiasmata.
The primary source of ATP is a series of chemical reactions called _____, which use(s) _____ and _____
mitochondria; lactic acid; calcium sarcomeres; myosin; actin aerobic respiration; oxygen; glucose aerobic respiration; calcium; acetylcholine