Which statement explains why oxygen molecules easily diffuse across a cell
membrane while DNA molecules do not?
A. Oxygen molecules are more useful to a cell than are DNA
molecules.
O B. DNA molecules contain carbon atoms, while oxygen molecules
have only oxygen atoms.
C. Oxygen molecules are very small, while DNA molecules are very
large.
D. DNA molecules have phosphate groups that the cell membrane
repels.
Answers: 1
Biology, 21.06.2019 19:00
Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 β 2fe2o3. identify the value of x that will balance the equation.
Answers: 3
Biology, 21.06.2019 19:00
Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?
Answers: 1
Biology, 21.06.2019 19:10
What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.
Answers: 2
Which statement explains why oxygen molecules easily diffuse across a cell
membrane while DNA molec...
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