Protein Synthesis

DNA has a _____________ structure. 

• double helix
• single strand
• ring 
• chain

In DNA, Adenine pairs with ___________. 

• Guanine
• Cytosine
• Thymine
• Uracil

In RNA, Uracil pairs with ______. 

• cytosine
• adenine
• guanine
• thymine

The mRNA leaves the ________ to find the ribosome to make proteins.

• cell
• nucleotide
• nucleus

DNA holds the code for making

• lipids

• carbohydrates

• proteins

• sugars

Choose the sequence of the mRNA strand that would be match up with to the following strand:

GTAGTCA

• UATUAGA

• ACGACTG

• CAUCAGU

• CATCAGT

The main function of tRNA is to...

• carry a message that, when translated, forms proteins
• form a portion of ribosomes
• string together complementary RNA and DNA strands
• bring amino acids from the cytoplasm to the ribosomes

What amino acid is represented by the codon UUA?

• Phenylalanine
• Tyrosine
• Leucine
• Stop codon

Contains the bases adenine, uracil, cytosine and guanine

• DNA
• RNA
• Both

Where do cells get the information to make proteins?

• RNA
• DNA
• phosphate group