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

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

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

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

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

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

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

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

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

A) the gene
B) the DNA strand
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) 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) 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) True
B) False

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