True - ️️True or false:
Aerobic and anaerobic respiration are exactly the same EXCEPT for the terminal
electron acceptor
Initiation - ️️The start of transcription. Signaled by the transcription initiation
complex formed by the promoter region, transcription factors, and RNA polymerase
...
Micro 150 Lecture exam 2 PVCC
True - ✔️✔️True or false:
Aerobic and anaerobic respiration are exactly the same EXCEPT for the terminal
electron acceptor
Initiation - ✔️✔️The start of transcription. Signaled by the transcription initiation
complex formed by the promoter region, transcription factors, and RNA polymerase
Helicase - ✔️✔️Unzips the DNA helix
Primase - ✔️✔️synthesizes RNA primers
DNA polymerase III - ✔️✔️Adding bases to the new DNA chain, proofreading the chain
for mistakes
DNA polymerase I - ✔️✔️Removing primer, closing gaps, repairing mismatches
Ligase - ✔️✔️final binding of nicks in DNA during synthesis and repair
Topoisomerases I and II - ✔️✔️supercoiling and untangling
5'-3' - ✔️✔️DNA replication occurs in what direction
Elongation - ✔️✔️The fractional increase in a material's length due to stress in tension
or thermal expansion.
Anabolic - ✔️✔️Any process that results in the synthesis of cell components is:
In trace amounts, required in small amounts and used for enzyme function -
✔️✔️Micronutrients are:
A micronutrient and an organic compound - ✔️✔️A cofactor for an enzyme can be:
Regulated - ✔️✔️Enzymes in which their expression depends on nutrient availability
B) Helicase - ✔️✔️Which of these enzymes are involved with DNA replication
A) RNA polymerase
B) Helicase
C) Ribosome
, D) All of the above
Surfactant - ✔️✔️Detergents act as this to kill microbes
Conjugation - ✔️✔️A mechanism of horizontal gene transfer includes:
Oxidative phosphorylation - ✔️✔️ATP synthesis coupled with the electron transport
chain is called:
Active site - ✔️✔️A substrate interacts with an enzyme at the:
Bacteriostatic - ✔️✔️What are chemical agents that prevent an organism from growing
called?
Deoxyribose sugar and phosphate - ✔️✔️The DNA backbone is made of:
Ribosome; codons - ✔️✔️This enzyme reads _____________ to build the peptide
chain
Sterlization - ✔️✔️A method of microbial control that removes all viable organisms
including spores
Mutualism - ✔️✔️Type of symbiotic relationship in which both members benefit
An electron carrier, an organic cofactor, and nicotinamide adenine dinucleotide -
✔️✔️NAD is:
Time, number of organisms and the microbial target - ✔️✔️Germicides are affected by:
Essential nutirent - ✔️✔️Any substance that must be provided to an organism
Heat - ✔️✔️Physical control that denatures proteins
Induced mutagen - ✔️✔️This type of mutation occurs from exposure to a mutagen
Endoparasite - ✔️✔️Organisms that live in the organs and tissues
False - ✔️✔️True or false:
Facilitated diffusion requires energy
True - ✔️✔️True or false:
Enzymes are organic catalysts
Messenger RNA - ✔️✔️Transcription results in the production of:
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