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

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

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

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

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

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

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

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

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

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

A) False
B) True

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