Biology, 19.11.2020 19:20 evapoliziani
The arrows in the diagrams represent the direction of movement of a certain type of molecules through the cell membrane of two different cells. The dots represent the relative concentrations of these molecules. Which processes are illustrated in the diagrams?
a
Cell A shows phagocytosis and Cell B shows diffusion
b
Cell A shows pinocytosis and Cell B shows osmosis
c
Cell A shows active transport and Cell B shows diffusion
d
Cell A shows dehydration synthesis and Cell B shows the circulation
Answers: 3
Biology, 22.06.2019 13:10, lily1482
Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.
Answers: 1
Biology, 22.06.2019 19:00, lnbrown9018
Which of the following is the best definition of a eukaryota? a. a one-celled organism that does not have a membrane-bound nucleus b. a one-celled organism that does not have a cell wall c. an organism whose cells each contain a membrane-bound nucleus d. an organism whose cells each have a cell wall
Answers: 2
Biology, 22.06.2019 23:50, janetexcoelho
10. which person would be the least effective host for a pathogen? an older person a young athlete a smoker a sick person
Answers: 2
The arrows in the diagrams represent the direction of movement of a certain type of molecules throug...
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