Unit 5 Quiz #1 Retake

Which of the following is a correct difference between RNA and DNA?

• RNA is single stranded and DNA is double stranded
• RNA is double stranded and DNA is single stranded
• DNA uses Uracil and RNA uses Thymine
• RNA has deoxyribose and DNA has ribose

Which base is normally used in the synthesis of RNA but not in the synthesis of DNA?

• adenine

• uracil

• guanine

• cytosine

A DNA nucleotide may contain

• deoxyribose, cytosine, and a lipid

• deoxyribose, thymine, and a phosphate group

• ribose, uracil, and a polypeptide

• ribose, adenine, and thymine

Which RNA bases would pair with TACGAA in transcription? 

• AUGCUU
• ATGCTT
• GCATCC
• GCAUCC

How many bases are in one codon?

• 1
• 2
• 3
• 4

The DNA sequence CAA is represented by which amino acid in the mRNA codon chart?

• Valine
• Glycine
• Alanine
• Glutamic Acid

What happens during translation?

• mRNA is made from DNA code

• The cell uses a mRNA code to make proteins

• tRNA is made from mRNA

• Copies of DNA molecules are made

There are a total of ____ possible codons.

• 3

• 16

• 64

• 128

Does NOT code for a protein

• intron

• exon

Tags

NGSS.HS-LS1-1

_______ is made during transcription and ________ is made during translation.

• mRNA / a polypeptide

• a polypeptide / mRNA

• ribosome / nucleus

• mRNA / tRNA