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

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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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