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

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

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

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

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

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

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

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

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

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

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

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

A) 92 (double a human cell)
B) 0 (there is no nucleus)
C) 46 (same as a human cell)
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 chromosomes
D) Another name for DNA