Shared Flashcard Set

Details

MICROBIOLOGY TEST #2
test #2
44
Biology
Undergraduate 2
10/28/2013
Click here to study/print these flashcards.

Create your own flash cards! Sign up here.

Additional Biology Flashcards

 

 

Cards

Term
Copiotroph
 Definition
high in nutrients; carbon
Term
Oliotrophs
 Definition
low in nutrients
Term
pH
 Definition
- log of the hydrogen ion concentration
Term
psychrphiles
 Definition
Bacillus psychro
-5 to 18 C
Term
psychrotrophs
 Definition
Pseudomonas putida
-1 to 32 C
Term
Mesophiles
 Definition
E. Coli
12 to 45 C
easiest to grow
Term
Hyperthermophiles
 Definition
Pyrolohus fomarii
65 to 100 C
high acidity
Term
Thermophiles
 Definition
Bacillus stearothermphilus
41 to 80 C
hot springs
Term
Autoclave
 Definition
121 C 15 pressure for 15 min
Term
halotolerant
 Definition
Staph. aureus
grows on skin
Term
FtsZ
 Definition
anchored bu 2apA protein
Term
halophilies
 Definition
Vibrio fischeri
2% salt
Term
Non envelope Virus
 Definition
harder to kill, no lipid bilayer
Term
Cell Wall
 Definition
contain pep.-enzymes
Term
Ribosomes
 Definition
protein
Term
Chromosome
 Definition
DNA, nucleotide
Term
What is inside the cytoplasm?
 Definition
80% water, enzymes, lipids
Term
Order of growth
 Definition
1. lag
2. exponential
3 stationary
4. death
Term
HTST
 Definition
72 C for 15 sec. or 82 for 20 sec
Term
UHT
 Definition
141 C for 1-2 sec
Term
LTH
 Definition
62.8 C for 30 min
Term
Dry Heat
 Definition
170 C for 2-3hr
Term
RNA
 Definition
ribosomes
Term
Helicase
 Definition
Step 1: class of enzyme
unpacking an organisms genes
Term
Single-Stranded DNA binding proteins
 Definition
Step 2: prevents DNA strands from going back together
Term
Leading Strand
 Definition
Step 3: 5'-3'
Term
Lagging strand
 Definition
Step 5: has Okazaki fragments
Term
DNA polymeres 3
 Definition
Step 4: placed down w/ 3', new DNA
Term
Okazaki fragments
 Definition
Step 6: lagging strand, short double stranded DNA placed
Term
RNA primase
 Definition
lays down RNA primer
Term
Polymeres 1
 Definition
replaces RNA primers w/ DNA
Term
DNA ligase
 Definition
links Okazaki fragments
Term
Griffith
 Definition
transformation
Term
Beadle and Tatum
 Definition
one gene-one enzyme hypoth.
Term
Avery, McCarty, MacLeod
 Definition
transforming agent was DNA
Term
Hershey and Chase
 Definition
Bacteriophage and blender expt. suggested DNA as genetic material
Term
Wilkins and Franklin
 Definition
X-ray diffraction of DNA
Term
Watson and Crick
 Definition
DNA was double helix
Term
Meselson and Stahl
 Definition
DNA replicates semi-conservatively
Term
Ochoa and Kornberg
 Definition
DNA polymerase III as enzyme involved in DNA replication
Term
Phenolics
 Definition
affects membrane, HARMFUL TO HUMANS
Term
Surfactants
 Definition
affects membrane, detergents
Term
ethylene oxide
 Definition
sterilent, clothes, toxic
Term
heavy metals
 Definition
harmful, interfere with s group
Supporting users have an ad free experience!