Microbiology Answers

The HHAPPPy viruses. i.e. DNA viruses are: Herpes viridae, Hepadnaviridae, Adenoviridae, Papovaviridae, Parvoviridae and Poxviridae. Which of the HHAPPPy viruses are envelloped?

1.   Give two factors that may affect a good gram staining technique output. Provide an explanation of how these factors influence the result. 

State any six different mechanisms how some species decrease the chances of their

mate mating with another individual.

Discuss what happens when an individual with 17 chromosomes mates with an individual of the same species with 16 chromosomes. 

Briefly explain the evolution of microbiology, discuss the scientist contribution, the spontaneous generation

Which of the following statements are correct?

a) The lipid composition of the supercapsid envelope of the virus corresponds to the composition of the host cell,

b) The viral envelope is formed in the process of budding through the membrane of the host cell,

c) The budding of viruses can occur through the cellular,

Nuclear or cytoplasmic membrane of the host cell,

d) All viruses contain a supercapsid shell,

e) All viruses have the shape of an icosahedron. Choose the only combination that takes into account all the correct answers:

A, c, d

A, b, c

A, b, c, d, e

O a, d, e,

B,d, e

The structure of the influenza virus virion:

Supercapsid shell,

b) protein capsid,

c) single-stranded +RNA, fragmented,

d) single-stranded -RNA, fragmented, e) single-stranded RNA, circular.

Cellulose differs from starch in that A) starch is formed by plants and cellulose by animals B) most animals cannot break down cellulose, whereas starch is easily digested C) starch is made of glucose monomers, whereas cellulose is made of fructose monomers D) cellulose is highly branches, whereas starch is unbranched

Which of the following is an example of secondary structure in a protein? A) a particular amino acid sequence B) An alpha helix C) A globular shape D) the joining of two polypeptide chains

The mother brought Kimmy to her pediatrician. The mother told the doctor that Kimmy got the following vaccinations – BCG, DPT, Hepatitis B, Hib, Pneumococcal, and MMR. What are the diseases that Kimmy is protected against based from her vaccine history?