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

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

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

A) sugar and base molecules
B) phosphate and sugar molecules
C) base 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) 4
B) 2
C) 6
D) 0
E) 8

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

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

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

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

A) 20 (10 pairs)
B) 50 (25) pairs
C) 100 (50 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) 46 (same as a human cell)
D) 0 (there is no nucleus)

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