Which of the following metabolic processes involves enzymes located in the membranes of mitochondria?
A. glycolysis
B. Krebs cycle
C. electron transport system
D. All of these answers are correct.
C. electron transport system
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Which of the following is a characteristic of savannas?
a. plants with extensive root systems b. short dry seasons and no trees c. grasses that survive cold winters d. evergreen conifers and frequent rain
Completeness of break
What will be an ideal response?
The distinctive feature of chloroplasts is that they contain a green pigment called:
A. Gram stain. B. hemoglobin. C. chlorophyll. D. chromatin. E. keratin.
Which of the following statements concerning transcription in bacteria is FALSE?
A) It occurs in the nucleoid region. B) Sigma factors are parts of RNA polymerase that recognize promoter regions. C) Different RNA polymerases are required for synthesis of mRNA, rRNA, and tRNA. D) Termination is either self-induced or due to the presence of Rho protein. E) There are a variety of sigma factors that affect transcription.