In a single nucleotide there are three components:
1. A sugar molecule, a phosphate group and a nitrogenous base
2. A sugar molecule, a phosphate group and a nitrogenous acid
3. A protein, a phosphate group and a nitrogenous base
In DNA adenine pairs up with
1. cytosine
2. guanine
3. thymine
chromosomes are bundles of
1. DNA
2. bases
3. RNA
Chromosomes often take the apperance of the letter
1. C
2. P
3. X
The process of cell replication is called
1. meiosis
2. mitosis
3. haploid
the number of chromosomes in a gamete is
1. 2
2. 23
3. 46

Quiz