55. 1.SPHERICAL IN SHAPE.
2.COVERED BY DOUBLE
LAYERED FAT
MEMBRANE.
3.A PROTEIN CORE IS
PRESENT INSIDE.
4.”RNA” IS GENETIC
MATERIAL.
5.ENZYME REVERSE
TRANSCRIPTASE IS
77. 1.SEXUAL CONTACT WITH
AN INFECTED
PERSON.
2.TRANSFUSION OF
INFECTED BLOOD.
3.SHARING OF NEEDLES
& SYRINGES WITH
INFECTED PERSON.
4.INFECTED MOTHER TO
CHILD THROUGH