Nucleic Acids & Proteins

The building blocks of nucleic acids are _____.

The bases found in DNA and RNA are basic because _______.

• Heterocyclic aromatic amines

• Heterocyclic aromatic amides

• Homocyclic aromatic amines

• Homocyclic aromatic amides

Adenine and guanine are ________.

Cytosine, thymine, and uracil are _________.

The sugar component of RNA is _______

• α-ribose

• β-ribose

• D-ribose

• L-ribose

The sugar component in DNA is ______.

• 5-deoxy-D-robose

• 5-deoxy-D-ribose

• 2-deoxy-L-ribose

• 2-deoxy-D-ribose

The combination of sugar and bases is known as _________.

• Nucleosides

• Nucleotides

• Nucleosomes

• Nucleolus

Analysis of the base composition of DNA molecules from many different species was done by _________.

• Erwin Chergaff

• Erwin Chargaff

• Erwin Chargaffe

• Erwin Chargaf

Established the 3-D structure of DNA

• James Watson & Erwin Chargaff

• Erwin Chargaff and Francis Crick

• James Watson and Francis Crick

• James Watsons and Gregor Mendel

The DNA molecules in the nuclei are not stretched out, but rather coiled around basic protein molecules called ________.