30 notecards = 8 pages (4 cards per page)
A palindrome is
C. A sequence that reads the same from left to right as from right to left
In the polymerase chain reaction, it is possible to:
A. It is possible to amplify small amounts of DNA without cloning
Antibiotic resistance genes in vectors are often used as selectable
markers in cloning
A bacteriophage is
A. A virus that attacks bacteria
Which of the following statements regarding restriction endoculeases
B. They can produce "sticky ends"
The following item was the most important scientific discovery for
the development of PCR as a commercially successful and widely-used
A. Taq polymerase
In recombinant DNA technology
D. All of these
The natural function of restriction endonucleases is to
A. Protect bacterial cells from invasion by viruses (bacteriophages)
Which is the dominant form of DNA found in the cell?
Ethidium Bromide slips between the bases of DNA giving it fluorescent
properties that differ from those observed when it is free in solution
The Z form of DNA
E. Tends to occur in alternating purine-pyrimidine sequences
Histones are proteins that
A. Are frequently associated with eukaryotic DNA
Which of the following nucleobases is a purine?
Which of the following bases is NOT found in RNA?
The outside diameter of a piece of DNA is closest to
What distinguishes nucleotides from nucleosides?
A. Nucleosides lack the phosphate group
The double helix of DNA is which level of structure?
Which of the following groups is NOT present in a cerebroside?
Unsaturated fatty acids usually have ____ double bonds?
How many hydroxyl groups does a molecule of glycerol have?
What characteristics is used most often to define lipids?
Which of the following is a metabolic precursor of prostaglandins and
B. Arachidonic Acid
The myelin sheaths of neurons typically contain large amounts of
Which of the following is NOT a product of saponification of a
A. Long chain fatty alcohols
What does amphiphatic mean?
C. Having both hydrophilic and hydrophobic regions
Which of the following groups is NOT present in sphingomyelin?
Biological waxes are composed of:
C. A fatty acid and a long chain alcohol
Base pairs with a propeller twists
B. Have optimum base stacking
The structure below is that of
Enzymes that seal nicks in DNA are called