Answer:
A and B only.
Explanation:
DNA is present as the genetic material of the living organism. Hershey and Chase experiments confirmed that only DNA is transmitted from one generation to the next generation.
They used radioactive phosphorus and sulfur and infects the cells with bacteriophage. The radioactivity labelled with phosphorus is present in the next generation whereas the radioactive sulfur molecules are not present in the next generation. DNA contains phosphorus whereas sulfur is present in the proteins.
Thus, the correct answer is option (D).
The Corona is made up of plasma surrounding the sun. The Corona I saw Latin for crown, and the Corona is basically a crown of plasma around the Sun and other stars.
Answer:
The correct answer is - involuntary contraction of the skeletal muscles.
Explanation:
Shivering or the chills that is involuntary action of body to maintain the homeostasis by controlling the body heat or maintaining body temperature it can cause by environmental change or the infection.
It is rapid involuntary contraction and relaxation of the skeletal muscles whenever body needs to produce heat when ti feels cold. Skeletal muscles are act as thermal effector in such cases.
Thus, the correct answer is - involuntary contraction of the skeletal muscles.
Answer:
-The posterior pituitary does not secrete its hormones but acts as an extension of the hypothalamus, storing those hormones.
-The anterior pituitary secretes its hormones (predominantly tropic hormones).
Explanation:
