The glycoproteins and proteoglycans in the animal extracellular matrix are connected to the cytoskeleton proteins through specialized membrane proteins. which of the following must be true of these membrane proteins? a. they are exclusively hydrophilic
b. they are involved in intercellular joining
c. they are exclusively hydrophobic
d. they are transmembrane integral proteins
e. they are peripheral membrane proteins

- lead + phosphoric acid = hydrogen + lead(ii) phosphate

personal, she chose to do it.

when the volume of gas is   changed from   717.73 ml   to 852 ml   the temperature will   change   from 315   c to 452   c

    calculation

this is calculated using the charles law formula

that is,   v1/t1 = v2/t2

          v1=?

        t1 = 315 c   into   kelvin = 315 +273 = 588 k

        v2 = 852   ml

        t2 = 425c + 273 =698 k

make v1   the subject of the formula ( by   multiplying both side by t1)

  v1=( v2 xt1) / t2

v1= (852 ml   x 588 k)/ 698 k= 717.73 ml

the answer is option a.