Cell Biology Answers

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

BRIEFLY EXPLAIN THE FOLLOWING ;

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

COMMENT ON THE ENDOSYMBIOTIC ORIGIN OF MITOCHONDRIA .

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

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

EXPLAIN BRIEFLY THE GENETIC CONTROL OF ENZYMATIC ACTIVITY IN PROKARYOTES .

1. NAME OF ORGANELLE RESPONSIBLE FOR EACH OF THE FOLLOWING PROCESSES IN AN EUCARYOTIC CELL ;

(a) DNA REPLICATION
(b) AUTO PHAGY
(c) ELECTRON TRANSFER DURING OXIDATIVE PHOSPHORYLATION
(d) PHOTOSYNTHESIS

2. GIVE ONE EXAMPLE OF EACH OF THE FOLLOWING TYPES OF BIOMOLECULES ;

(a) MONOSACCHARIDE
(b)PURINE
(c) POLYNUCLEOIDE WITH RIBOSE SUGAR
(d) DERIVED LIPID

3. NAME THE RTECHIQUE USED FOR SEPEARATION OF DIFFERENT CELLULAR OR ORGANELLES .

4. NAME THE DYE THAT STAINS ALL THE PROTEINS .

DEFINE THE FOLLOWING ;

1. AUTORADIOGRAPHY
2. CODON
3. RESOLVING POWER OF A MICROSCOPE
4. PERMEABILITY CO - EFFICIENT
5. NUCLEOTIDE

1. A CELL IN WHICH THERE IN AN EXTENSIVE NETWORK OF ROUGH ENDOPLASMIC RECTICULUM IS ACTIVELY INVOLVED IN ---------------- SYNTHESIS.

2. MULTIPLE FORMS OF AN ENZYME THAT CATALYZE THE SAME REACTION ARE KNOWN AS ----------------- .

3. --------------- IS AN EXAMPLE OF SEMIAUDTONOMOUS ORGIANELLE .

4. GCLUCOSE IS STORED IN ANIMALS AS ------------------ .

5. ---------------- IS TYPE OF AN AMINO ACID WITH NEGATIVE CHARGE AND ACIDIC '' R '' GROUP .

EXPLAIN HOW DO THE ENZYMES CARRY OUT THE BIOLOGICAL REACTIONS WITH
HIGH SPECIFICITY AND EFFICIENCY ?