Answer:
Option-C
Explanation:
A pulse-chase experiment which is used to study the cellular process taking place in the cells. This uses the labelled molecule which is incorporated into the cellular pathway and then the unlabeled molecules are used over time to determine how much time is required by the unlabeled molecule to replace the labelled molecule.
In the given question, the pancreatic cell which secretes the digestive enzyme known as the acinar cell is labelled with the leucine and then used unlabeled leucine.
When observed after three hours, the black spots will appear on the exterior of the cell as the protein has been synthesised by the ER and now has been secreted from the cell.
Thus, Option-C is the correct answer.
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Answer:
B
Explanation:
Any drug sold in the supermarkets, convenient stores etc without prescriptions are called OTC-medication or over the counter drugs.
They are the group of drugs commonly abused by young adults. Recommendation by National Institute on Drug Abuse is that , any use of drug not related to medical purpose, but for mind-altering effects or arousal is regarded as an abuse. No doubt these drugs are obtained over the counter because they are very easy to get, very cheap and legalized by law to buy, thus easily accessible.
They drugs are high in contents which produces psychoactive effects when imbibed in over dose, and some may have damaging effects on the kidney and liver.
Other effects on the body physiology includes headaches, vomiting, nausea, seizures, tremors. etc.
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Answer:
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