Cation exchange between soil particles and root hairs is the process in which:a
protons are exchanged for positively charged mineral ions.
b. electrons are exchanged for positively charged mineral ions.
c. protons are exchanged for negatively charged mineral ions.
d. electrons are exchanged for negatively charged mineral ions.
e. water is exchanged for positively charged mineral ions.
a
You might also like to view...
Polyploid individuals that arise from chromosome duplications within a single species are called
a. allopolyploids. b. tetraploids. c. triploids. d. autopolyploids. e. sympatric polyploids.
Retroviruses are characterized by
a. an RNA core. b. integrating DNA into the host’s chromosome. c. the enzyme reverse transcriptase. d. having one strain that causes AIDS. e. all of these
An ant and an elephant are walking through the jungle, which one does the greater buoyant force act
What will be an ideal response?
Total nucleic acids are extracted from a culture of yeast cells and are then mixed with resin beads to which the polynucleotide 5?-TTTTTTTTTTTTTTTTTTTTTTTTT-3? has been covalently attached
After a short incubation, the beads are then extracted from the mixture. When you analyze the cellular nucleic acids that have stuck to the beads, which of the following is most abundant? (a) DNA (b) tRNA (c) rRNA (d) mRNA