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

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

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

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

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

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

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

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

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

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

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

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