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

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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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