1) What base always pairs with Adenine (A)? a) Thymine (T) b) Guanine (G) c) Cytosine (C) 2) What base always pairs with Cytosine (C)? a) Adenine (A) b) Thymine (T) c) Guanine (G) 3) What is the shape of DNA? a) Ladder b) Single Helix c) Rectangle d) Double Helix 4) Which TWO things make up the sides of the DNA molecule? a) phosphate b) hydrogen bonds c) sugar d) nitrogenous bases 5) What is the unit that makes up DNA? a) glycerol b) nucleotides c) amino acids d) glucose 6) Where is the DNA found in your cells? a) ribosome b) cytoplasm c) nucleus d) plasma membrane 7) What is the name of the process that makes a copy of the DNA? a) replication b) copying c) mitosis 8) A mistake in DNA replication is called a a) virus b) mutation c) DNA 9) Where do you find DNA in a eukaryotic cell? a) Nucleus b) Mitochondria c) Ribosome 10) Part number 2 in this nucleotide represents the a) deoxyribose sugar b) nitrogen base (A,T,C, or G) c) phosphate group 11) Part number 1 in this nucleotide represents the a) deoxyribose sugar b) nitrogen base (A,T,C, or G) c) phosphate group 12) Part number 3 in this nucleotide represents the a) deoxyribose sugar b) nitrogen base (A,T,C, or G) c) phosphate group

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