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CB - DNA & Proteins

Cell Biology - Topic 4 - DNA & Protein Production

QuestionAnswer
Is DNA single stranded or double stranded? double stranded
What shape is DNA? double helix
What 2 molecules make the DNA 'backbone'? sugar & phosphate
How many bases are there in DNA? 4
What letters represent the bases found in DNA? A, T, C,G
Which base does A pair with in DNA? T
Which base does G pair with in DNA? C
What are the repeating units in a DNA molecule called? nucleotide
What 3 molecules make up a nucleotide? sugar, phosphate, base
In which cell structure are proteins made? ribosome
In which cell structure is DNA found? nucleus
DNA makes a copy of itself to carry the genetic code out of the nucleus. What is this copy called? mRNA
Is mRNA single stranded or double stranded? single stranded
What base is found in DNA but not in mRNA? T
What base pairs with A in mRNA? U
How many bases are needed to make 1 amino acid? 3
What are the building blocks of protein? amino acids
Why can the DNA molecule not leave the nucleus? double stranded molecule is too big
Created by: StNiniansHS