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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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