Bacterial ribosomes differ from eukaryotic ribosomes in all of the following except
A. they act as sites of protein synthesis.
B. they are smaller than in eukaryotes.
C. tetracycline and chloramphenicol can bind to bacterial ribosomes.
D. they differ in ribosomal proteins.
E. they differ in RNA content.
A. they act as sites of protein synthesis.
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One of the two strains of Streptococcus pneumoniae isolated in the 1920s was surrounded by a ____________________, giving it the ability to evade the immune system and cause pneumonia
Fill in the blank(s) with correct word
Aerobic cellular respiration ________.
uses glucose generates water generates oxygen Both 'uses glucose' and 'generates water' are correct.
The rate of nutrient cycling in an ecosystem
A) depends only on the rate of photosynthesis. B) depends only on the rate of decomposition. C) does not depend on the rate of photosynthesis or the rate of decomposition. D) depends on both the rate of photosynthesis and the rate of decomposition.
The ultimate source of genetic variation within a population is:
a. mutations in DNA. b. adaptation of a species to environmental changes. c. homeostatic mechanisms that compensate for environmental changes. d. a sensory system that can detect an environmental change. e. a system of locomotion that allows an organism to escape environmental changes.