Unit 6 Biology

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

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Who is responsible for producing this image?

• Francis Crick
• James Watson
• Rosalind Franklin
• Watson and Crick

Which 2 molecules forms the sides (backbone) of the DNA ladder?

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• sugar and the nucleus
• deoxyribose (sugar) and phosphate

Which sugar is contained in DNA

• Dextrose
• Ribose
• Deoxyribose
• Glucose

Erwin Chargaff discovered what feature regarding DNA

• The Helical structure
• The constant ratio of the bases
• The Sugar-Phosphate Backbone
• The length of a strand of DNA

DNA is a polymer made of:

• Nucleotides
• Ribosomes
• Purines
• Pyrimidines

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What was Watson and Crick's main scientific accomplishment?

• Building the first accurate model of DNA
• Isolating strains of pneumonia causing bacteria
• Determining base pairing rules
• Discovering the process of genetic transformation

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In DNA, Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

The term used to describe DNA Replication is:

• Semi-Conservative
• Conservative
• AntiParallel
• Dispersive