WorksheetsActivities 3.1.5 and 3.1.6 Review
Total questions: 15
Worksheet time: 8mins
Bacteria colonies that are greater than 1 mm in diameter are considered ____.
small
large
variable
None of the other options.
Look at the image. This bacteria colony's form is _____.
circular
irregular
filamentus
rhizoid
Look at the image. This bacteria colony's margins are ____.
undulate/wavy
entire/smooth
lobate
curled
Look at the image. This bacteria colony's elevation is _____.
umbonate
flat
crateriform
convex
True or False: A specific bacteria can be identified by one morphological trait, such as color, alone.
True
False
Colony morphology involves all of the following traits/characteristics except ...
form
elevation
margins
cell shape
The bacteria that could be affecting the patients at GNMH could be _____. Check all that apply!
S. marcescens
S. aureus
B. megaterium
S. maltophilia
Bacteria that are rod-shaped are called _____.
cocci
spirilla
bacilli
All of the other options.
Cocci bacteria can be found as diplococci, which means _____.
in chains
in groups of 4
in clusters
in pairs
The cell wall of bacteria is made of a sugar and amino acid-rich substance called ____.
glycoprotein
phospholipid bilayer
peptidoglycan
flagellum
Gram + bacteria stains _____ and gram - bacteria stains _____.
purple, pink
pink, purple
pink, pink
purple, purple
The purpose the gram stain test is to determine the thickness of the peptidoglycan layer. ______ bacteria has the thicker layer.
Gram -
Gram +
Look at the image. This bacteria is ______.
Gram + cocci in chains
Gram + bacilli
Gram - bacilli
Gram - cocci in clusters
Look at the image. This bacteria is ______.
Gram + cocci
Gram + bacilli in chains
Gram - bacilli
Gram - cocci in clusters
_______ bacteria are often more dangerous because they have an extra layer called the LPS (lipopolysaccharide) after the peptidoglycan layer. This layer can induce a serious immune response that leads to septic shock.
Gram +
Gram -
