What is a buffer?
A. a compound that releases OH- in a solution and has a
higher concentrati...
What is a buffer?
A. a compound that releases OH- in a solution and has a
higher concentration of OH-than H+
B. a compound that releases hydrogen ions in a solution
and has a higher concentration of H+ than OH-
C. a weak acid or base that can release H+ or OH- as needed
to help keep the pH balanced
D. a barrier that forms and separates H+ and OH- to keep
them from reacting
Answers: 2
Biology, 21.06.2019 20:00, awdadaddda
Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red. b) the pollen grains will be pure blue. c) the pollen grains will have red interiors and blue exteriors. d) the pollen grains will have blue interiors and red exteriors.
Answers: 1
Biology, 21.06.2019 20:20, jaylahlove77
2. what process do mrna and trna work together to complete? (3 points)
Answers: 3
Biology, 22.06.2019 16:30, CoreyHammond74901
Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.
Answers: 1
English, 05.02.2021 18:20
Mathematics, 05.02.2021 18:20
History, 05.02.2021 18:20
History, 05.02.2021 18:20
Mathematics, 05.02.2021 18:20
Mathematics, 05.02.2021 18:20
Mathematics, 05.02.2021 18:20
Mathematics, 05.02.2021 18:20