The chemical processes that occur within a cell are affected by many factors. optimum cell function occurs within a narrow range of conditions.
which combination of factors would stop cell function?
i. ph
ii. density
iii. salinity
iv. temperature
a. i and ii
b. i and iv
c. i, ii, iii
d. i, iii, iv

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

Anurse is preparing to administer ampicillin 500 mg in 50 ml of dextrose 5% in water (d5w) to infuse over 15 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should set the manual iv infusion to deliver how many gtt/min? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)

This is collection of data made by comparing objects in standard units. in science, the units are metric.