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

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

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

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

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

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

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

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

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

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

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

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