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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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