_____ are substances that give up hydrogen ions when they dissolve in water, so these substances can lower the pH of a solution and make it acidic (below pH 7)
1.Elements
2.Bases
3.Acids
4.Solvents
3
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The space between the two membranes of the
mitochondrion accumulates a. proteins. b. H+. c. carbohydrates. d. H2O2. e. CO2.
Which of the following do not undergo theta replication?
A) bacterial genomes B) mitochondrial genomes C) chloroplast genomes D) plasmids E) protist genomes
Mosses produce sperm during the _______ stage.
A. gametophyte B. flowering C. sporophyte D. cone-bearing
When a virus has a broad host range
A. it can infect many different species. B. it can infect many different cell types. C. it does not require close contact to infect a new host. D. it can infect many cell types or species. E. the species that the virus can infect are spread over a large geographic distance, potentially causing pandemics.