DNA and genetic code

What is the characteristic twisting shape of DNA described as?

• Single helix

• Triple helix

• Double helix

• Linear chain

What are the individual monomer units that make up DNA called?

• Amino acids

• Proteins

• Nucleotides

• Sugars

Which of the following correctly describes the complementary base pairing rules in DNA?

• Adenine (A) pairs with Guanine (G), Cytosine (C) pairs with Thymine (T)

• Adenine (A) pairs with Cytosine (C), Guanine (G) pairs with Thymine (T)

• Adenine (A) pairs with Thymine (T), Cytosine (C) pairs with Guanine (G)

• Adenine (A) pairs with Adenine (A), Thymine (T) pairs with Thymine (T)

What are the 4 bases that make up the instructions in the genetic code?

• Adenine, Thymine, Cytosine, Guanine

  (A T C G)

• Uracil, Thymine, Cytosine, Guanine

  (U T C G)

• Adenine, Thymine, Uracil, Guanine

  (A T U G)

The DNA backbone is made up of .......

• carbohydrates and enzymes
• sugar and phosphate groups
• nucleotides and proteins
• amino acids and lipids

What does a 'triplet' in the genetic code specifically code for?

• A sugar-phosphate backbone

• A specific amino acid

• The entire DNA strand

• A biological catalyst

What is the definition of a gene?

• A gene is a segment of DNA that encodes instructions for protein synthesis.
• A gene is a codon in the DNA structure

• A gene is all the genetic information in a cell.

• A gene is a type of protein found in cells.

What are the building blocks that make up proteins?

• Amino acids
• Carbohydrates
• Fatty acids
• Nucleotides

Where are proteins synthesised? (made)

• Golgi apparatus
• Nucleus
• Mitochondria
• Ribosomes

What are some of the uses of proteins? (select all that apply)

• Antibodies

• Enzymes

• Structural

• Hormones