Activities 3.1.5 and 3.1.6 Review

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