Biology, 22.04.2021 01:00 velazquezemmy45
A student wanted to investigate the movement of water into and out of the plant cells. the student had the equipment shown in figure 11.
the test tubes in the rack contain different concentrations of sodium chloride
the solutions were 0.1m, 0.2m, 0.3m, 0.4m and 0.5m sodium chloride solution
the test tubes in the beaker contain distilled water and there are three potato chips in each of the six test tubes
i) state why the test tube in the beaker only contains distilled water and three potato chips
ii) state two variables that need to be controlled in this investigation
iii) explain why the chips in the 0.5 sodium chloride lost mass
Answers: 2
Biology, 22.06.2019 00:30
Name the types of burns one can get and which structures of the integument are damaged
Answers: 1
Biology, 22.06.2019 01:00
Complete the statements to identify the first two steps of meiosis i. (1 ) the first and longest step of meiosis i is called i. (2)the second step of meiosis i is called i.
Answers: 1
Biology, 22.06.2019 02:00
An example of a trait that would be considered acquired and inherited is a. a cleft chin b. muscle tone c. scar tissue d. freckled skin
Answers: 1
Biology, 22.06.2019 04:30
Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases
Answers: 2
A student wanted to investigate the movement of water into and out of the plant cells. the student h...
Mathematics, 04.05.2021 21:50
Mathematics, 04.05.2021 21:50
Mathematics, 04.05.2021 21:50
Mathematics, 04.05.2021 21:50
Mathematics, 04.05.2021 21:50
Mathematics, 04.05.2021 21:50
Mathematics, 04.05.2021 21:50
Mathematics, 04.05.2021 21:50
Mathematics, 04.05.2021 21:50