Cell Differentiation and Tissue Culture (MB 303) Lecture 4 Quiz
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Questions and Answers

Aseptic techniques are designed to provide a barrier between the microorganisms in the environment and the ______ cell culture.

sterile

Successful cell culture depends on keeping the cells free from ______.

contamination

For routine cleaning, the work surface should be wiped with ______% ethanol.

70

Wearing personal protective equipment reduces the probability of contamination from ______ as well as dirt and dust from your clothes.

<p>shed skin</p> Signup and view all the answers

The ______ work area should be disinfected thoroughly.

<p>sterile</p> Signup and view all the answers

______ is a key element of aseptic technique.

<p>Sterile handling</p> Signup and view all the answers

Commercial reagents and media undergo strict quality control to ensure their ______

<p>sterility</p> Signup and view all the answers

Always sterilize any reagents, media, or solutions prepared in the laboratory using the appropriate ______ procedure

<p>sterilization</p> Signup and view all the answers

______ is a method of sterilization mentioned in the text

<p>Autoclaving</p> Signup and view all the answers

Sterile handling is important to prevent ______

<p>contamination</p> Signup and view all the answers

Sterile ______ is another method of ensuring sterility

<p>filtration</p> Signup and view all the answers

Tips for aseptic technique in cell culture include sterile ______

<p>filtration</p> Signup and view all the answers

Bacterial contamination is characterized by cells that are a few ______ in diameter.

<p>um</p> Signup and view all the answers

Bacterial contamination can take on a variety of ______ ranging from spheres to rods and spirals.

<p>shapes</p> Signup and view all the answers

Molds are ______ that grow as multicellular filaments called hyphae.

<p>Fungi</p> Signup and view all the answers

Mycoplasma are simple ______ that lack a cell wall.

<p>bacteria</p> Signup and view all the answers

Yeasts are ______ Fungi ranging in size from a few um up to 40 um.

<p>unicellular</p> Signup and view all the answers

Infected cell cultures with bacterial contamination usually appear ______/cloudy.

<p>turbid</p> Signup and view all the answers

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