Which of the following is NOT a component of bacterial flagella?
A) flagellin
B) basal body
C) tubulin
D) filament
E) hook
C
Bloom's Taxonomy: Comprehension
Section: External Structure of Bacterial Cells
Learning Outcome: 3.5
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Stratospheric ozone is important, as it:
a. traps reradiated heat from the earth. b. prevents heat penetration from the sun. c. replenishes the surface ozone layer. d. dissipates the surface ozone layer. e. blocks solar UV radiation.
Why might traits such as skin color be fairly consistent within a racial group, but alleles for skin color aren't consistent?
A) There's no relationship between alleles and skin color. B) Skin color is influenced by many genes, so several different gene pools can produce the same skin color. C) Only one gene is important in skin color, and when analysis is limited to that gene, there's clear evidence of a long separation of groups. D) Few allele variations between groups are just what you would expect if races were genealogical species.
Ventilation includes
A. expiration. B. illumination. C. inspiration. D. All of these are correct. E. Both inspiration and expiration.
What is one of the earliest signs of nephron damage?
A. the absence of urination B. burning upon urination C. edema D. albumin or formed elements in the urine E. extreme pain