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

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

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

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

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

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

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

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

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

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

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

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

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) 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