Question Detail

BIO 101 BIO 101 Past Questions Objective Question
Take CBT

Question

Why should reagents never be returned to their original stock bottles after dispensing?
Options
A It introduces potential chemical or microbiological cross-contamination
Correct Answer
B Stock bottles are sealed with single-use lids
C It alters the molecular weight of the reagent
D The manufacturer warranty is automatically voided
Correct Answer

Option A is the correct answer.

Detailed Explanation

Returning excess reagent risks contaminating the entire parent stock with impurities from the transfer pipettes or vessels.

Hint

No hint available

Question Info

Course: BIO 101
Topic: BIO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 2435 of 2556
Previous Course Details Next