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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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