G11 Worksheet 2 Q3

DNA has a _____________ structure. 

• double helix
• single strand
• ring 
• chain

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

Contains the bases adenine, uracil, cytosine and guanine

• DNA
• RNA
• Both

What part of protein synthesis does this diagram represent?

• mRNA
• tRNA
• rRNA
• RNA

DNA travels outside of the nucleus.

• true
• false

DNA never leaves the nucleus

• True
• False