The domain (domains) that contain prokaryotes is (are)
A. Archaea.
B. Bacteria.
C. both Archaea and Bacteria.
D. Eukarya.
E. both Bacteria and Eukarya.
Answer: C. both Archaea and Bacteria.
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The regulatory protein
A. binds to the promoter region of DNA. B. may inhibit or enhance transcription. C. may control translation of the operon. D. affects the activity of the DNA polymerase. E. binds to the promoter region of DNA AND affects the activity of the DNA polymerase.
The five reactions listed below occur during the noncyclic
pathway of ATP formation. Use them to respond to statements 85–89. a. reduction of NADP+ b. phosphorylation of ADP c. photolysis of water d. oxidation of chlorophyll e. reduction of chlorophyll D 85. This process releases electrons to fill “holes” in chlorophyll in noncyclic ATP formation. D 86. When light energy is absorbed by a leaf, the first result will be this. D 87. The final step that occurs during noncyclic ATP formation is this. M 88. High-energy phosphate bonds are formed during this process. D 89. Oxygen is produced by this process.
The atmosphere above which region is known to have a hole in the ozone layer?
a. Antarctica b. eastern North America c. northern Europe d. the western Pacific e. central Asia
Mosses have ____.
A. xylem B. lignin C. true stems D. rhizoids E. independent sporophytes