Question { 6990 }

what's difference between polyperson and polyorigin theory
of polymorphism?

Answer

Polyorigin theory put forward by Huxley and others.
it says that entire colony is a representation of a single
medusoid organism and all forms of colony are the organs of
same organism.it results by the individual division of the
various parts of medusa like tentacles,manubrium.

Poly person theory put forward by leukart and others
believe that a polymorphic individual is a colonial form in
which diversified organisms are grouped together to perform
different functions. the colony consists of either polyp or
medusa but the primitive zooid of the colony was of polyp
type.

Question { 3795 }

How streptomycin acts an inhibitor for protein synthesis?

Answer

At higher concentrations interferes with binding of
fmet-trna to ribosomes prevents initiation of protein synthesis.
at low conc leads to misreading of genetic code on mrna and
inhibit initiation of polypeptide chain.

Question { 4131 }

how do the two comonents of starch differ?

Answer

AMYLOSE AND AMYLOPECTIN ARE TWO COMPONENTS.
amylose is soluble in water than amylopectin.
amylose soluble in water without swelling amylopectin swells
in water.
amylose does not forms gel where as amylopectin forms gel.
amylose produces blue colour with iodine amylopectin gives a
purplish colour with iodine.

Question { 33787 }

Diff between hollard,chresard,echard?

Answer

Hollard means total amount of water available
chresard means amount of water available to plants
echard means amount of water not available to plants.

Question { 5790 }

what is pygostyle?

Answer

Pygostyle means special bone present in the tail region of
bird.It is plough shaped.

Question { 3894 }

study of abnormalities during embryonic devt called?

Answer

TERATOLOGY.