PART B Re-watch the video and explain why the following steps are necessary: Why use tweezers to put disks on the plate? Why sterilize tweezers after each disk is put on the agar? ● Why spread the bacteria out all over the agar plate? Why put a disk with NO antibiotic on each agar plate? ● • Why put a disk with newly purchased, fres antibiotic on each plate? Why put so many disks on each plate? Why wait 16-20 hours after you have put the bacteria and antibiotic disks on the plate?
PART B Re-watch the video and explain why the following steps are necessary: Why use tweezers to put disks on the plate? Why sterilize tweezers after each disk is put on the agar? ● Why spread the bacteria out all over the agar plate? Why put a disk with NO antibiotic on each agar plate? ● • Why put a disk with newly purchased, fres antibiotic on each plate? Why put so many disks on each plate? Why wait 16-20 hours after you have put the bacteria and antibiotic disks on the plate?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
Transcribed Image Text:Learning Task 16-03 - Antibiotic
Effectiveness
https://www.youtube.com/watch?v=sx1uDYSfl
NA&t=99s
PART A
Record the steps that the laboratory technician
follows in the video.
Highlight, by colour or bolding, the steps that
ensure the experiment is sterile.
PART B
Re-watch the video and explain why the following
steps are necessary:
●
Why use tweezers to put disks on the plate?
Why sterilize tweezers after each disk is put on
the agar?
Why spread the bacteria out all over the agar
plate?
Why put a disk with NO antibiotic on each agar
plate?
Why put a disk with newly purchased, fresh
antibiotic on each plate?
Why put so many disks on each plate?
Why wait 16-20 hours after you have put the
bacteria and antibiotic disks on the plate?
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