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

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

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

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

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

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

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

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

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

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

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

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

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

A) True
B) False

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