Physiology & Growth Of Bacteria//Microbial genetics Flashcards
(18 cards)
What is cell growth ?
The orderly increase in the sun of all the components of an organism
Cell shape & size are maintained by the _ layer
Peptidoglycan
What is bacterial population growth
Occurs are the mass cellular components increases
*is exponential in nature
What are the phases of bacterial Growth ?
A - lag phase
B - exponential phase
C - stationary phase
D - decline phase
What are the macro elements involved in bacterial nutrition
Carbon, nitrogen, phosphorus, oxygen, sulfur, hydrogen
What are the macro elements involved i bacterial nutrition
Carbon, nitrogen, phosphorus, oxygen, sulfur, hydrogen
Anaerobically Two pathways used by pyruvate in bacterial nutrition include;
1) Embden Meyerhoff pathway
2) Enther- Dondoroff pathway (net yield of 1ATP for every glucose molecule processed)
What is heredity ?
Constancy & change in physiologic functions that forms the properties of organisms
What is genome
Total complement of genes in a cell/chromosome
What is gene (cystron)
Segment of DNA that Carries in its nucleotide sequence information for a specific biochemical or physiologic property
Operan
Structural & regulatory gene
Plasmid
Small circular double stranded extra chromosomal DNA which is invariable calabar of self propagation and sustenance
Transposon
Conjugative & transmissible plasmid
Episome
Plasmids capable of reverse integration into the chromosome
Genotype
Hereditary potential of an organism
Changes with change in DNA sequence
Double stranded DNA synthesis uses what type of replication
Semi conservative replication
*two copies of original DNA molecule are produced. Each copy conserving the information from one half of the original DNA molecule
Gene expression
Conversion of information contained in genome into enzymes & structural proteins that carry out business of the cell’s physiology
Science that defines and analyzes heredity ?
Genetics
