Answer to Question #98406 in Cell Biology for Abhishek

Question

1. EXPLAIN BRIEFLY THE GENETIC CONTROL OF ENZYMATIC ACTIVITY IN PROKARYOTES .

2. WHY CELL MEMBRANES OCCUR IN THE FORM OF LIPID BILAYER ? EXPLAIN THE ORGANIZATION OF PROTEINS IN THE CELL MEMBRANE .

3. WHAT IS A PROTON PUMP ? DESCRIBE THE ROLE OF PROTON PUMP IN BACTERIA .

4. COMMENT ON THE ENDOSYMBIOTIC ORIGIN OF MITOCHONDRIA .

5. BRIEFLY EXPLAIN THE FOLLOWING ;

(a) RNA PROCESSING IN EUKARYOTES
(b) CELL CYCLE
(c) SIGNALLING MEDIATED BY INTRACELLULAR RECEPTORS

6. WITH THE HELP OF A SCHEMATIC DIAGRAM , GIVE AN ACCOUNT OF GLYCOLYSIS . WHAT HAPPENS TO PYRUVATE UNDER ANAEROBIC CONDITIONS ?

7. WITH THE HELP OF A LABELLED DIAGRAM , DESCRIBE THE STRUCTURE AND FUNCTION OF A MOTOR NEURON .

8. NAME THE PRINCIPLE WATER CONDUCTING AND PREPARED - FOOD CONDUCTING TISSUES OF PLANTS . DESCRIBE THE STRUCTURE OF ANY ONE OF THESE TISSUES .

Answer 1

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