<u>Answer:</u>
Receptors
<u>Explanation: </u>
Receptors are specific for the particular parameter . They work to detect change and convert the change into signals that serves as a afferent input to the control center.
Negative feedback requires a receptors,control center, and a afferent. Generally a receptor monitors internal conditions. Receptors sense changes in function and initiate the body's homeostatic response.
Answer:
<u><em>Plant cell, Bacterial cell and Animal cell</em></u>
<u><em>Example: </em></u>Plant viruses:Tobacco Mossiac Virus
Animal virus: HIV(Human immunodeficeincy virus),Rhino virus
Bacteriophage
Explanation:
Viruses attack living cells on the basis of their host types.
The polymerase chain reaction makes DNA fingerprinting more reliable because it allows scientists to quickly make many copies of DNA the answer is C
