Explanation:
Gene therapy can be used to treat cancers. Gene therapy which is directly delivered to a particularly stubborn type of breast cancer cell causes the cells to self destruct, lowers the chance of recurrence and helps increase the effectiveness of some types of chemotherapy.
2 I have taken that before
It’s fine you can always try and make it up for next term
Because semen swims upstream. The bladder is not located above the vagina (internally). If the ejaculation takes place in the vagina, the semen will swim up towards the cervix.
