Lab#1 Flashcards
Monomer
The molecule/subunit which acts as a building block for polymers.
Polymer
A long molecule consisting of many similar or identical monomers linked together by covalent bonds.
PCR
Polymerase Chain Reaction
DNA
Deoxyribonucleic Acid
in vitro
Performing a given procedure in a controlled environment OUTSIDE of a living organism .
(Partial or dead)
in vivo
Experimentation using a whole, living organism.
Locus
A specific place along the length of a chromosome where a given gene is located.
Allele
Any of the alternative versions of a gene that may produce distinguishable phenotypic effects.
DNA is the _____ of all living things
Genetic Material
DNA contains all the necessary info. to direct the _________ of an organism
Growth and Maintenance
DNA directs all cell _____ and determines all of an organism’s ______
Activities; Traits
DNA typically stored in….
Tightly coiled structures called chromosomes
Tiny proteins called ____ hold the network together. (In DNA)
Histones
Remove histones….?
DNA unravels like a long chain
Each link in DNA is called….?
Nucleotide
Many nucleotides in a chain….
Poly(many)nucleotide
Sides of the DNA helix are….?
The sugar phosphate backbone
The rungs of the ladder are…?
The base pairs held together by hydrogen bonds
Where are the instructions for protein building?
Somewhere on your DNA
The four bases are?
Guanine, Thymine, Adenine, Cytosine
Each base is shaped _____ in comparison with the other three.
Differently
In base pairing….who pairs with who?
Adenine-Thymine (dbl bond)
Guanine-Cytosine (trpl bond)
Names of each end of a polynucleotide.
3’,5’ (know which end is which!)
Why does DNA need to replicate?
Every cell in your body needs a complete copy of your entire DNA library.