Answer:
15 B
16 C
17 B
18 A
Explanation:
In my opinion these are 100 percent sure answer
A conditioned stimulus when paired with a bell. When the bell was rang food was presented. So upon hearing the bell the dog would salivate because he knew simply put food would then follow. This became known as classical conditioning.
Answer:
Monoclonal antibodies can treat cancer as well as other illness such as the coronavirus by mimicking the body's immune system. They recognize and target specific proteins on cells. Some on cancer cells by basically blocking signals that tell cancer cells to divide.
Its chloroplast, mitochondria is power cell nucleus houses DNA and cytoplasm is everything inside cell membrane besides nucleus, or others say cytoplasm is the liquid substance in cell