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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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