Question { 5453 }

what are the effects shown by morphactins on plants?

Answer

Effects shown by morphactins are
1. complete abolition of polarity in plants.
2.inhibition of mitosis in apical meristems.
3.stimulation of cell division in cambium
4.reinforcement of apical dominance in taproots.
5.abolition of geotropic and phototropic responses.
6.reduction of apical dominance in main shoot.

Question { 55850 }

what is the difference between conformation and
configuration?

Answer

Conformation refers to the spatial arrangement of
substituent groups that are free to assume different
positions in space without breaking any bonds because of
freedom of bond rotation.


configuration denotes spatial arrangement of organic
molecule that is conferred by presence of double bonds
around which there is no freedom of rotation.

Question { 8799 }

What are isozymes?

Answer

Different forms of enzymes catalyse the same reaction but
they posess different kinetic properties and different
aminoacid composition .such multiple forms of enzymes are
called isozymes or isoenzymes.

Question { 7524 }

what is castration process?

Answer

Removal of ovary in females is known as ovariectomy.In
females castrated prior to puberty both menstrual and
reproductive cycles never appear.
Typical pelvic enlargement fails to occur and pubic and
axillary hair becomes scanty.
post pubertal castration results in suspension of menstrual
cycle and atrophy of uterus and vagina. mammary glands
become involuted osteoporosis gradually disappears.