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

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

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

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

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

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

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

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

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

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

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

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

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

A) False
B) True

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