Biology, 21.08.2019 06:20 malaysiasc93
The organelle that maintains pressure against the cell wall, so that the plant cell keeps it shape, is
the
(a) central vacuole.
(b) rough endoplasmic reticulum.
(c) smooth endoplasmic reticulum.
(d) nucleus.
Answers: 1
Biology, 22.06.2019 00:00
Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.
Answers: 1
Biology, 22.06.2019 00:30
Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?
Answers: 1
The organelle that maintains pressure against the cell wall, so that the plant cell keeps it shape,...
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