All Nucleotides include....?
A phosphate group
A five carbon sugar
One of five nitrogenous bases
How does a RNA strand differ from a DNA strand?
It contains ribose instead of deoxyribose
It is single stranded
It contains uracil in place of thymine
This enzyme is used to remove proteins from the cell extracts.
How many origins of replication are there in bacteria?
Where do kinetochores attach to chromosomes?
The zig-zag and solenoid models are associated with the____level of DNA organization.
30 nm fiber
A nucleosome is combination of_____and_______
DNA, histone proteins
Attaches adjacent Okazaki fragments, forming a continuous DNA strand.
What is the site for the start of transcription?
A functional protein would contain the information contained within what regions of DNA?
Alternative splicing allows an organism to______
Carry fewer genes
Which is a non-stop codon?
The primary structure of a protein is directly associated with______.
Alpha-helices and beta-sheets are examples of what level of protein structure?
In eukaryotic systems, which of the following typically stops the process of translation?
A Carboxyl group
The C-terminal of a polypeptide always contains which of the following?
The wobble base is usually associated with which base of a codon?
CpG islands are associated with which of the following?
A heterordimer occurs when two identical transcription factors interact on a sequence of DNA.
Steroid hormones are an example of an effector which regulates regulatory transcription factor activity.
Silent mutations are possible due to the degenerate nature of the genetic code.