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

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

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

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

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

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

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

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

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

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

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

A) 0 (there is no nucleus)
B) 46 (same as a human cell)
C) 92 (double a human cell)
D) 23 (half that of a normal 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 DNA
B) Another name for chromosomes
C) Half a chromosome
D) A section of DNA that contains the genetic code