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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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