General Biology
What is the powerhouse of the cell?
the mitochondria
Name a virus that has been completely eradicated.
variola, rinderpest, polio serotype 2
What is the human body’s first line of defense?
skin
What is the mold that makes blue cheese?
Penicillum roqueforti
What colour does a Gram positive cell look like?
The lac operon reacts with lactose and what other molecule?
glucose
The Baltimore classification organises viruses based on what factor?
their genome
What type of cell produces antibodies?
B cells
What bacteria is responsible for the acidic nature of fermented foods?
Lactobacillus, lactic acid bacteria
What reagent can you use to test for the catalase enzyme?
hydrogen peroxide
What does the acronym FISH stand for?
fluorescent in situ hybridization
What entry receptor is used by SARS-Cov-2?
ACE2
What proteins bind to antigens, thus initiating an immune response?
antibodies
This is the most common food-borne illness in the US, and is a virus.
norovirus
An agar shake tube with growth only at the top layer is what kind of bacteria?
obligate aerobe
What group of bacteria are believed to be the first organisms to produce oxygen?
cyanobacteria
Retroviruses use what enzyme to replicate its genome?
reverse transcriptase, RdDp
What chemical messenger alerts the brain of injury, inducing sickness behaviors?
cytokines
What bacteria causes holes to form in swiss cheese?
Propionibacterium freudenreichii
Where should pathogenic waste be disposed of?
hazardous waste containers
Which of the following is NOT an amino acid: tyrosine, trypsin threonine, tryptophan?
trypsin (it is a protease)
Name one of the shapes that a virus’s capsid can have.
helical, icosahedral, complex
What type of cell links the innate and adaptive immune systems?
dendritic cells
What treatment, developed in the 1860s, is used to kill bacteria milk?
pasteurization
What does it mean if your TSI slant result has bubbles/cracks?