DNA Scientists

Who described the 3 components of DNA & RNA as sugar, phosphate group & nitrogenous bases?

• Hersey & Chase

• Levene

• Mendell

• Griffith

Who worked with a "new" technology called radioactive labelling?

• Watson & Crick

• Hersey & Chase

• Griffith

• Avery, MacLeod, & McCarthy

Who used x-ray crystallography to analyze the structure of DNA?

• Franklin & Wilkins

• Watson & Crick

• Hersey & Chase

• Avery, MacLeod & McCarthy

Who received the Nobel Prize for their work determining the structure of DNA?

• Watson, Crick, Wilkins & Franklin

• Watson, Crick & Wilkins

• Watson & Crick

• Franklin & Wilkins

Nitrogenous bases are joined by which type of bond?

• polar bonds

• ionic bonds

• covalent bonds

• hydrogen bonds

Tags

NGSS.HS-LS1-1

Who's work concluded that the %A=%T  and %G=%C

• Chargaff

• Meischer

• Levene

• Hammerling

Scientists _________ & ________ established the shape of DNA

• Jackson and Flick

• Watson and Crick

• Jamieson and Gunn

• Walter and Crock

Tags

NGSS.HS-LS1-1

The process of DNA replication is called semi conservative because it results in

• none of these

• Two DNA molecules.  One original molecule and one with two new strands

• two exact copies with new strands

• two identical molecules, each with 1 original strand and one new.

If one strand of a DNA molecule has the following order of bases, what will be the correct order of bases on the complementary (matching) strand?

• AATTGGCC

• TTAACCGG

• GGCCAATT

• GACTGACT

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids

• nucleotides

• fatty acids

• polysaccharides