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

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

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

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

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

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

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

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

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

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

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

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