DNA***Practice

the rule that describes how nucleotides form bonds in DNA; adenine (A) always bonds with thymine (T), and guanine (G) always bonds with cytosine (C)

• base pairing rules

• DNA

• double helix

• Francis Crick

.

• base pairing rules

• DNA

• double helix

• Francis Crick

An international collaborative effort to map and sequence the DNA of the entire human genome.

• Human Genome Project

• James Watson

• mRNA (messenger RNA)

• nucleotide

Which would pair with TACGAA? 

• AUGCUU

• ATGCTT

• GCATCC

• GCAUCC

How many codons are listed: ATG GGA ACT CCA?

• 4

• 2

• 6

• 12

The four DNA nitrogen bases

• Adenine, Thymine, Diamine, Tryamine

• Adenine, Uracil, Guanine, Cytosine

• Adenine, Thymine, Guanine, Cytosine

• Adenine, Uracil, Diamine, Tryamine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

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

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

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base

• sugar, oxygen, nitrogen base

• sugar, phosphate, nitrogen base

• sugar, phosphate, protein