A) Phosphate groups
B) Bases
C) Sugar Molecules
D) Nucleotides

A) Phosphate groups, deoxyribose sugars and nitrogen rich bases
B) Acids, Bases and inorganic salts
C) Genes and Chromosomes X and Chromosomes Y
D) G, T and C Bases

A) Single Helix
B) Circular
C) Rectangular
D) Triangular
E) Double Helix

A) base molecules
B) phosphate and sugar molecules
C) phosphate and base molecules
D) sugar and base molecules

A) sugar molecule pairs
B) phosphate and base molecules
C) phosphate and sugar molecules
D) nitrogen-rich base pairs

A) 2
B) 8
C) 4
D) 6
E) 0

A) T
B) G
C) A
D) C

A) A
B) G
C) T
D) C

A) 8
B) 2
C) 0
D) 4

A) the red blood cell
B) the DNA strand
C) the gene
D) the nucleus of the cell

A) 20 (10 pairs)
B) 46 (23 pairs)
C) 50 (25) pairs
D) 100 (50 pairs)

A) 0 (there is no nucleus)
B) 92 (double a human cell)
C) 23 (half that of a normal human cell)
D) 46 (same as a human cell)

A) 0 (there is no nucleus)
B) 92 (double a human cell)
C) 23 (half that of a normal human cell)
D) 46 (same as a human cell)

A) True
B) False

A) Another name for DNA
B) Half a chromosome
C) A section of DNA that contains the genetic code
D) Another name for chromosomes