Chapter 1
What are the four main types of compounds classified as lipid?
triglycerides, phospholipids, steroids, and waxes
What are ribosomes in bacteria?
tiny particles composed of protein and RNA that are sites of protein synthesis.
What ere the two kinds of Endoplasmic Reticulum (ER)?
Rough and smooth
What are the four main pathogen categories we discussed in this class?
Viruses, parasites, fungi, and bacteria.
Of simple, negative, and gram stain, which of these methods does not stain the bacteria itself?
negative stain
What are the building blocks of proteins?
amino acids
What is the purpose of flagella?
To provide motility
What term is used to describe an organism that posseses both male and female reproductive organs?
Hermaphroditic
Are viruses considered a living organism?
No
Are bacterial cell membranes typically negatively or positively charged?
negative
What is the purpose of enzymes?
To serve as a catalyst for chemical reactions in cells
What occurs during cell lysis?
The disintegration or rupture of a cell.
What are the folds of the inner membrane of the mitochondria called?
cristae
What are the two different capsule shapes?
Helical and icosahedral
Why is extreme heat often a component of aseptic technique?
heat kills bacteria and other microorganisms
What does ATP stand for?
Adenosine triphosphate
What direction do flagella typically rotate?
Counterclockwise
Are chloroplast found in plant or animal cells?
Plant cells
What are virus like agents that parasatize on plants called?
Viroids
In the gram stain process, why do we have to counterstain cells?
So that we can see the gram negative cells that were decolorized
Which nitrogen bases always pair with each other?
Adenine and Thymine
Cytosine and Guanine
Where does the bulk of DNA in a bacteria cell reside?
The nucleoid
True or false, All helminths are parasitic?
False
What are oncoviruses?
Mammalian viruses capable of initiating tumors?
In simple stains, what is the portion of the chromatin that gives it color called?
Chromophore