Nucleic Acids, DNA Scientists Bio 5 E&G

DNA and RNA are examples of...

• proteins
• nucleic acids
• carbohydrates
• lipids

What is the function of nucleic acids?

• Stores energy
• Stores genetic information
• Movement
• Physical structure

What are the components of a nucleotide?

• nitrogen base, phosphate group, and pentose sugar

• pentose sugar, purine, and pyrimidine

• nitrogen base and a phosphate group

• DNA, phosphate group, monosaccharide

Which of these is NOT found in RNA?

• ribose sugar
• uracil
• cytosine
• thymine

Which scientist determined that in DNA guanine=cytosine and adenine=thymine:

• Erwin Chargaff

• James Watson

• Francis Crick

• Leonard Jacobs

Together, a sugar + phosphate + nitrogen base makes up a:

• sunitrate
• amino acid
• polypeptide
• nucleotide

The structure of DNA can be described as a:

• trapeziod
• double helix
• concentric circle
• acute angle

Which of these does NOT fit with DNA:

• cytosine
• single strand
• double strand
• deoxyribose

In DNA, adenine always pairs with:

• uracil

• cytosine

• guanine

• thymine

In RNA, thymine is replaced with:

• guanine
• cytosine
• adenine
• uracil