Unit 6 Retake

Which of the following best describes a DNA molecule?

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

Tags

NGSS.HS-LS1-1

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

What are the three components of a nucleotide?

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

The following picture must be

• DNA because it's double stranded
• RNA because it's single stranded
• DNA because it's single stranded
• RNA because it's double stranded

Tags

NGSS.HS-LS1-1

When does DNA Replication occur?

• Just before the cell divides

• Just after the cell divides

• The M phase

• The S phase

What does DNA stand for?

• Deoxyribonucleic acid

• Ribonucleic acid

• Deoxynucleic acid

• Nucleic acid

Answer explanation

DNA stands for Deoxyribonucleic acid, which is the molecule that carries genetic information in living organisms. The other options do not accurately represent the full name of DNA.

What is the purpose of protein synthesis?

• to make a copy of DNA

• to transcribe DNA into messenger RNA

• to produce a protein from the info stored in DNA

• to translate mRNA into a protein

Tags

NGSS.HS-LS1-1

Replicate the following strand of DNA: 
AATCATGGA

• AATCATGGA
• TTAGTACCT
• UUAGUACCU
• GGATAUCUA

Tags

NGSS.HS-LS1-1

Transcribe the following DNA strand: CTG AAT

• GAC TTA

• CTG AAT

• GAC UUA

• CUG AAU