Which protective structure forms to protect certain bacteria during periods of harsh conditions?
A) Flagella
B) Biofilm
C) Endospore
D) Capsule
C
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Answer the question using the accompanying figure. The structure labeled “C” is a modified form of the ____
a. Golgi apparatus b. plasma membrane c. rough endoplasmic reticulum d. smooth endoplasmic reticulum e. nuclear membrane
Why is it unlikely that genetically engineered strains of bacteria would pose a threat to the
environment? a. Genetically engineered bacteria cannot survive exposure to UV radiation. b. Genetically engineered strains of bacteria are strictly regulated, making accidental release unlikely. c. Genetically engineered strains of bacteria cannot survive exposure to oxygen. d. Genetically engineered strains of bacteria are poor competitors of wild strains. e. Genetically engineered strains of bacteria require supplemental nutrients to survive.
If substantial lactic acid were found in a person's bloodstream, which type of glucose breakdown is occurring?
A) cellular respiration B) fermentation C) electron transport D) citric acid cycle
Each organism tolerates a limited range of environmental conditions
a. true b. false