Bacterial Cell Structure
Which structure protects bacteria from being phagocytized? A. slime layer B. fimbriae C. cell membrane D. capsule
capsule
*** (Don't confuse) The outcome of the Gram stain is based on differences in the cell's A. ribosomes B. inclusions C. cell wall D. cell membrane E. flagella
cell wall
Chemical analysis of a bacterial cell structure detects calcium dipicolinic acid. What is the identity of this structure? A. Cell wall B. Capsule C. Slime layer D. Nucleotide E. Endospore
Endospore
The cell __________ can be composed of three layers: the cell membrane, the cell wall, and the outer membrane. A. Glycocalyx B. Envelope C. Pathogenic package D. Slime coat
Envelope
The short, numerous appendages used by some bacterial cells for adhering to surfaces are called: A. Flagella B. Cilia C. Fimbriae D. Periplasmic flagella (axial filaments) E. Sex pili
Fimbriae
Peptidoglycan is a unique macromolecule found in bacterial A. cell walls B. call membranes C. capsules D. slime layers E. inclusions
Cell walls
Lipopolysaccharide is an important cell wall component of A. Gram-negative bacteria B. Gram-positive bacteria C. Acid-fast bacteria D. Mycoplamas
Gram-negative bacteria
The enzyme __________, that is found in tears and saliva, can hydrolyze the bonds in the glycan chains of certain bacterial cell walls. A. Penicillinase B. Lysozyme C. Peptidase D. Kinase
Lysozyme
A bacterial genus that has waxy mycolic acid in the cell walls is A. Mycobacterium B. Mycoplasma C. Streptococcus D. Salmonella
Mycobacterium
__________ is a macromolecule containing alternating N-acetylglucosamine and N-acetylmuramic acid cross-linked by short peptide fragments. A. Mycolic acid B. Outer membrane protein C. Peptidoglycan D. Lysozyme
Peptidoglycan
The term that refers to the presence of flagella all over the cell surface is: A. Amphitrichous B. Atrichous C. Lophotrichous D. Monotrichous E. Peritrichous
Peritrichous
A chain of rod-shaped cells would be called a: A. streptobacillus B. Staphylobacillus C. Streptococcus D. Staphylococcus E. Palisade
Streptobacillus