Answer:
Penguins reproduce sexually, producing offspring that look different from one another
Explanation:
Answer:
Option A. It is produced in vitro
Explanation:
The technique of DNA vaccine involves transfer of genetically engineered or modified form of DNA into body directly with the help of injection. The DNA codes for protein, that protein is antigen and thus provides immunity.
The DNA vaccine can be produced at a low cost and easy to purify. The DNA vaccines are produced in-vivo not in-vitro, so Option A is not a characteristic of DNA Vaccine.
Potential energy
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.
A. external
These types of signals are observed when there is a cut on the body. The epidermal cells lose contact with one another and divide faster until they are in contact once again. After they come into contact, division slows down again.