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 curtail cell function? i. ph ii. density iii. salinity iv. temperature

One of the methods used to reduce energy use is: a. energy efficiency c. energy conservation b. energy reservation d. energy holding select the best answer from the choices provided a b c d i know the answer is not option a

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?