A group of students set up an experiment to demonstrate a certain process as shown below. After 10 minutes the students carried out iodine test inside...

      

A group of students set up an experiment to demonstrate a certain process as shown below.
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After 10 minutes the students carried out iodine test inside and outside the visiking tubing.
a) state two roles of the process being investigated in animals.
b) account for the results expected in the experiment above.
c)i) What is the importance of plasma membrane in active transport.
ii) Give one similarity between osmosis and active transport.

  

Answers


sharon
a) facilitates absorption of products of digestion .
gaseous exchange
excretion of nitrogenous wastes
b) no observable change in colour
boiling starch with hydrochloric acid hydrolyses starch into sugars/ maltose/ glucose which facilitates active transfer of materials across the cell membrane
has phosphate groups which is be used in synthesis of AIP to release energy for active transport
c) (i) Cell membrane – contains carries
(ii) They are both involved in the movement of molecules across a semi permeable membrane

sharon kalunda answered the question on May 27, 2019 at 05:43


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