Biology, 29.06.2019 04:30 glizbethh00
Which of the following statements is correct about diffusion? a it is a passive process in which molecules move from a region of higher concentration to a region of lower concentration. b it requires an expenditure of energy by the cell. c it is an active process in which molecules move from a region of lower concentration to one of higher concentration. d it is very rapid over long distances.
Answers: 2
Biology, 21.06.2019 20:00
Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 β 2 β 3 b) 2 β 3 β 1 c) 2 β 1 β 3 d) 3 β 2 β 1 e) 3 β 1 β 2
Answers: 1
Biology, 22.06.2019 13:00
What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root
Answers: 1
Which of the following statements is correct about diffusion? a it is a passive process in which mo...
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