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

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

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

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

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

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

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

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

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

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