Basic DNA stuff

Which of the following best describes a DNA molecule?

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

In DNA, adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

In RNA, guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Replicate the following strand of DNA: 
AATCATGGA

• AATCATGGA
• TTAGTACCT
• UUAGUACCU
• GGATAUCUA

Tags

NGSS.HS-LS1-1

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

What are the 4 nitrogen bases found in RNA?

• adenine, uracil, cytoplasm, and guanine

• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, uracil, cytosine, and guanine

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

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Tags

NGSS.HS-LS1-1

What is the correct complimentary strand for the following DNA?

ATCGAGAAC

• TACGAGTTG

• ATCGAGTTG

• TAGCTGTTG

• TAGCTCTTG

What sugar is in DNA?

• deoxyribose
• ribose
• oxyribose
• deoxyose