.png){kind=logo}
PDF Download
FREE AND STUDY GAMES ABOUT MICROBIOLOGY/SENNA
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -37 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: Chemotaxis
Answer:
positive and negative stimuli
Question 2: Peritrichous
Answer:
Flagella dispersed over surface of cell;slowest
Question 3: Monotrichous
Answer:
single flagellum at one end
Question 4: Bacterial Actin
Answer:
fine protein fibers within cells that contribute to structure and support
Question 5: Peptidoglycan
Answer:
A network of polysaccharide chains cross linked by short peptides that for the rigid part of bacteria cell wall. Gram-negative has a small amount of this structure then Gram positive do
Question 6: Bacilli
Answer:
Bacterial cell that is cylindrical shape
Question 7: Organelles
Answer:
small component of eucaryotic cells that is bound by a membrane & specialized in function
Question 8: Pleomorphic
Answer:
normal variability of cell shapes in a single species
Question 9: Ribisome
Answer:
macromolecular complex of ribonucleoprotine that coordinates the condons of mRNA with tRNA anit codons and in so doing constitutes the peptide assembly site
Question 10: Cells
Answer:
An individual membrane bound living entity the smallest unit capable of independent existence
Question 11: Cytoplasm
Answer:
dense fluid encased by the cell membrane the site of many of the cells bio-chemical & synthetic acturties
Question 12: Fagella
Answer:
Structure used to propel organism through a fluid enviorment
Question 13: Pili
Answer:
Small filamentous appendage in gram NEG bacteria that function in DNA exchange during bacterial
CONJUGUATION
Question 14: Gram Stain
Answer:
A differential stain for bacteria useful 4 identification and taxonomy. Gram positive organisms appear purple from crystal violet mordant retention where gram negative organisms appear red after loss of crystal violet + absorbance of safrnin counterstain Question 15: What type of appendage may be responsible for formation of biofilms
Answer:
Fimbria
Question 16: biofilm
Answer:
a single bacterial cell growing on an agar surface
Question 17: Metaoblism
Answer:
general term for the totality of chemical & physical process occuring in a cell
Question 18: Nucleoid
Answer:
The basophilic nuclear region or nuclear body that contains the bacteria chromosone
Question 19: Irritability
Answer:
capacity of cells to respond to chemical mechanical or light stimuli- this helps cells adopt to the enviorment & obtain nutrients
Question 20: What type of organisms possess axial filaments
Answer:
Spirochetes
Question 21: Spirlla
Answer:
a type of bacterial cell with a rigid spiral shape and external fagella Question 22: A procaryotic cell wall that has primarily peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is
Answer:
Gram positive
Question 23: Fimbrae
Answer:
Short numerous durface appendage on some bacteria that provides adhesion but not locomotion
Question 24: Peptidoglycan is a unique macromolecule found in bacterial
Answer:
Cell Wall
Question 25: Lophotrichous
Answer:
small bunches arising from one end of cell
Question 26: Spirochetes
Answer:
a coiled spiral shaped bacterium that has endofagella and flexes as it moves
Question 27: Coccobacilli
Answer:
an elongated coccus,a short thick oval shape bacterial rod
Question 28: Chromozone
Answer:
Tightly coiled bodies in cells that are primary sites of genes
.png)