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

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

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

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

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

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

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

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

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

A) the nucleus of the cell
B) the DNA strand
C) the gene
D) the red blood 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) 46 (same as a human cell)
C) 23 (half that of a normal human cell)
D) 0 (there is no nucleus)

A) False
B) True

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