Which of the metabolites is common to respiration mediated breakdown of fats, carbohydrates and proteins?
Glucose-6-phosphate
Fructose 1, 6-bisphosphate
Pyruvic acid
Acetyl Co-A
D.
Acetyl Co-A
Acetyl Co-A is common to respiration mediated breakdown of fats, carbohydrates and proteins.
Glucose and fructose are phosphorylated to give rise to glucose 6-phosphate by the activity of the enzyme hexokinase. It then converts into fructose 6 phosphate and further to fructose 1-6-bisphosphate. Pyruvic acid is the end product of glycolysis.
Which of the following are likely to be present in deep sea water?
Archaebacteria
Eubacteria
Blue-green algae
Saprophytic fungi
Which of the following are correctly matched with respect to their taxonomic classification?
Flying fish, cuttlefish, silverfish - Pisces
Centipede, millipede, spider, scorpion - Insecta
House fly, butterfly, tse-tse fly, silverfish - Insecta
Spiny anteater, sea urchin, sea cucumber - Echinodermata
What external changes are visible after the last moult of a cockroach nymph?
Mandibles become harder
Anal cerci develop
Both fore wings and hind wings develop
Labium develops
Which of the following is not correctly matched for the organism and its cell wall degrading enzyme?
Bacteria - Lysozyme
Plant cells - Cellulase
Algae - Methylase
Fungi - Chitinase
Which group of animals belong to the same phylum?
Malarial parasite, Amoeba, mosquito
Earthworm, pinworm, tapeworm
Prawn, scorpion, Locusta
Sponge, sea anemone, starfish
The H-zone in the skeletal muscle fibre is due to
the absence of myofibrils in the central portion of A-band
the central gap between myosin filaments in the A-band
the central gap between actin filaments extending through myosin filaments in the A-band
extension of myosin filaments in the central portion of the A-band