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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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