Answer:
Explanation:
In the Hershey and Chase experiment, they aimed to show where the phage DNA went when it exited the protein coat and entered the bacteria. In this scenario, the two student's approach won't work because amino acids (and therefore all proteins) also have nitrogen atoms which ultimately means that the radioactivity would not distinguish between DNA and proteins and the experiment will not provide the correct results.
Beta-blockers decrease heart rate and blood pressure. Answer:D
It is a drug that might be used specifically to reduce heart rate in cardiac patients. The drug is also referred to as beta-adrenoceptor blocking agents and are prescription-only medicines (POMS).
Answer:
The answer is D. The autonomic nervous system.
Vasoconstriction
Definition-The blood vessels under your skin become narrower. This decreases blood flow to your skin, retaining heat near the warm inner body.
