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

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

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

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

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

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

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

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

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

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

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

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

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