Which of the following is the most resistant to destruction bychemicals and heat?a) Bacterial endosporesb) Fungal sporesc) Mycobacterium tuberculosisd) E. colie) HIV

Grisofulvin is an antifungal agent that affects: select the correct answer.  a) the chitin cell wall structure  b) ergosterol in the cell membrane c) the formation of the mitotic spindle in mitosis  d) the 50s ribosomal subunit and thus protein synthesis e) mRNA synthesis

Write a paragraph describing the colonies of: A) Clostridium perfringes B) Clostridium tetani C) Clostridium botulinum

3. A division in Eukaryotes that involves nuclear division without a cytokinesis will lead to the formation of: a) Baeocyte b) Mycellia c) Syncitium d) Myofibril e) all the above 4) All the following are critical factors in determining the effectiveness of an antimicrobial agent except: a) Population size b) Species c) Location d) pH e) Temperature

GROWTH OF FUSOBACTERIUM ON KANAMYCIN/VANCOMYCIN AGAR (KV) CAN BE DESCRIBED AS a) pigmented b) black c) hemolytic d) inhibited (no growth)

Droplets, aerosols, saliva, feces, sexual fluids, blood and pus are all?   Question 1 options:   a)  fomites   b)  portals of entry   c)  vectors   d)  reservoirs   e)  portals of exit   f)  vehicles

This petri plate shows the susceptibility of Staphylococcus aureus to different antibiotics. Which antibiotic is least effective?   a)  Methicillin - Meth   b)  Control   c)  All are ineffective   d)  Ampicillin - Amp   e)  Vancomycin - Van

1) Which of the following apply(ies) to Bacillus cereus and Bacillus anthracis? Choose all that apply: a) B. anthracis forms spores while B. cereus does not b) B. cereus is more lethal when it causes an infection c) B. anthracis has extra-chromosomal DNA that makes it more pathogenic d) Despite their similar names, the two are actually not at all related e) The 16S rRNA gene sequences of these bacteria are more than 99% identical, meaning that they are actually members of the same species

Penicillin:

Adherence to the intestinal lining by a bacterium may be due to its possession of _____. A) endospores B) pili C) a flagellum D) F+ plasmid