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

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

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

A) base molecules
B) phosphate and base molecules
C) phosphate and sugar molecules
D) sugar and 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) 6
D) 2
E) 8

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

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

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

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

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

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

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

A) True
B) False

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