2. DNA Structure Flashcards
what is the different nucleotide in DNA vs RNA
In RNA Thymine is replaced by Uracil
5 differences between DNA and RNA
DNA - usually double stranded, RNA single strand
DNA - Thymine RNA Uracil
DNA - deoxyribose RNA ribose
cannot fcn as enzyme can be enzyme
DNA maintains protein encoding info, RNA carries protein encoding info and how info is used
RNA nucleosides
adenosine, guanosine, cytidine, uridine
DNA nucleoside
deoxyadenoside, deoxyguanosine, deoxycytidine, (deoxy)thymidine
what makes up the nucleotide structure (draw it)
nitrogenous base attached to 1’C, phosphate group attached to 5’C, -OH group at the 3’C
Draw the nucleotide unit of a DNA molecule
Draw it
Chargaff’s rule
Amount of adenine = amount of thymine
Amount of cytosine = amount of guanine
rank chromosomes in order of their naming
solenoid loops - solenoid - nucleosome - histones
what is a gene?
a sequence of bases in a DNA molecule that carries the information necessary for producing a functional product, usually a protein or RNA
genome
an organoism’s complete set of DNA
chromosome
one or more unique pieces of DNA (circular or linear in eukaryotes) that together make up an organism’s genome.
Gene
a specific sequence of DNA, on average about 3000 bases long that contains the info necessary to produce all or part of a protein molecule
Alleles
Alternate versions of a gene, within a specie, that codes for a given protein.
Introns
Non-coding regions of a DNA
genome
an organoism’s complete set of DNA
