What is a prion?

1
What is a prion?
2
What are two types of glycocalyxes?
3
What are two types of glycocalyxes?

• Capsule
• Slime layer

4
What is the function of fimbriae and what are
they made of?
5
What is the function of fimbriae and what are
they made of?

• They are used for attachment
• They are made of the protein pilin

6
What is a prion?

• A proteinaceous infectious particle
• They cause transmissible spongioform
  encephalopathies

7
What two domains contain prokaryotic cells?
8
What two domains contain prokaryotic cells?

• Bacteria
• Archaea

9
What domain do viruses belong to?
10
What domain do viruses belong to?

• They do not belong to a domain
• They are acellular

11
What two macromolecules are found in viruses?
12
What two macromolecules are found in viruses?

• Proteins
• Nucleic acids

13
Describe the following cell morphology.
14

• These are bacilli
• They are gram Positive

15
Describe the following cell morphology.
16

• These are streptococci chains of cocci

17
What is this a picture of?
18

• These are colonies on a Tryptic Soy Agar Plate

19
What domain would prokaryotic cells with
pseudomurein in their cell walls belong to?
20
What domain would prokaryotic cells with
pseudomurein in their cell walls belong to?

• Archaea

21
What kingdom would a multi-cellular eukaryotic
organism with chitin in its cell wall belong to?
22
What kingdom would a multi-cellular eukaryotic
organism with chitin in its cell wall belong to?

• Fungi

23
What is the primary stain used in the gram stain?
24
What is the primary stain used in the gram stain?

• Crystal violet

25
What is an octet of cocci called?
26
What is an octet of cocci called?

• sarcinae

27
What are the five characteristics that should be
used to describe a colony?
28
What are the five characteristics that should be
used to describe a colony?

• Shape
• Margin
• Texture
• Elevation
• Color