What percentage of DNA in your cells is similar to other human DNA?

• 95%

• 99.9%

• 90%

• 85%

Where is DNA kept safe inside the cell?

• Cytoplasm

• Nucleus

• Cell membrane

• Ribosome

What are the smaller parts that make up DNA called?

• Proteins

• Lipids

• Nucleotides

• Carbohydrates

Which of the following is NOT a part of a nucleotide?

• Sugar

• Phosphate

• Lipid

• Base

What part of the nucleotide is referred to when discussing the genetic code?

• Sugar

• Phosphate

• Base

• Protein

What are the bases that are attracted to each other in DNA called?

• Identical bases

• Complementary bases

• Opposite bases

• Similar bases

Which base is A attracted to in DNA?

• C

• G

• T

• A

What is the process of copying DNA called?

• DNA synthesis

• DNA replication

• DNA transcription

• DNA translation

During which phase of mitosis does DNA replication occur?

• G1 phase

• S phase

• G2 phase

• M phase

What are mistakes in the DNA copying process called?

• Errors

• Mutations

• Defects

• Variations