Exam 14: Dna: the Genetic Material

A scientist developed a procedure that would cause a particular chemical to bind with the nitrogen base adenine.If this chemical were applied prior to S in the cell cycle,what might be a logical prediction of the outcome?

Which of the following choices is the correct sequence for DNA replication in

Griffith,a British microbiologist,used a bacteria and mice to demonstrate transformation.His results clearly offered evidence for that process.Transformation is

The reading of the bases along the length of a nucleic acid molecule for either transcription or translation is done from the

Griffith worked with

Xeroderma Pigmentosum (XP)is a rare autosomal recessive disorder.Patients with XP exhibit a cellular hypersensitivity to ultraviolet (UV)radiation,a high incidence of skin cancer and premature aging.Based on these clinical characteristics,what is the underlying cause for this disease?

The units of hereditary information is(are)called _____.

DNA primase

Eukaryotic organisms solve the problem of time constraints on replication of DNA by

If a short sequence of DNA is AATTGCCGT,its complement is

Which of the following DNA sequences is complementary to 5' ATGGTCAGT 3'?

The structure of DNA is a double helix with two polynucleotide chains running in opposite directions and held together by hydrogen bonding between pairs of bases.

DNA pol III synthesizes the leading strand as a continuous strand.The lagging strands are synthesized in segments,called

After a long week of sunbathing on the beach,what type of DNA damage might you be concerned about?

Nucleotides have phosphates attached at the ___ carbon atom of the sugar.

Watson and Crick developed a model of DNA in which the two strands twist into the shape of a _________________.

Why is it essential for the nitrogenous bases to remain in one tautomeric form when part of a DNA molecule?

Which of the following statements about replication of DNA is false?

The synthesis of the growing chain of DNA is carried out by adding nucleotides to the ___ end.

DNA always contain amounts of the four bases,A,G,C,and T,characteristic of the species,but A = T and G = C,and purines equals pyrimidines.