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

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

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

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

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

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

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

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

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

A) the nucleus of the cell
B) the gene
C) the DNA strand
D) the red blood 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) 0 (there is no nucleus)
D) 46 (same as a human cell)

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

A) False
B) True

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