DNA

When a cell divides, DNA must be ___________. Separated OR Copied

Which enzyme brings nucleotides to match one of the strand (known as the parent strand). DNA Polymerase OR DNA Helicase

Name all 4 nitrogenous bases.

DNA is composed of a string of __________________, which are made of 3 parts. Adenine or Nucleotides or Cytosine

The DNA molecule is made up of two _______________ strands. Single OR Twisted

The nitrogenous base Thymine is paired with what other base? Guanine OR Adenine or Uracil

Chromosomes are stored in our _____________. Helix OR Nucleotide or Nucleus

A single DNA nucleotide is made up of how many parts? 2 OR 3 OR 4

When a cell divides, DNA must be copied. This process is called DNA ______________. Separation OR Translation OR Replication

The molecule that stores genetic information for cells is called...

Sections of DNA are called: Strands or Genes or Double Helix

What is the name of the enzyme that unzips the double-stranded DNA separating it into two single strands? Topoisomerase or Helicase

The nitrogenous base Guanine is paired with what other base? Adenine OR Cytosine OR Thymine

DNA replication happens so that each new cell will contain the same genetic instructions. True OR False

To begin replicating the DNA, it requires a starting point. This is created by an enzyme called RNA _____________. Base OR Primase OR Polymerase

The new DNA strand that is created after replication is called the _______________ strand. Sister OR Brother OR Daughter

How many nitrogenous bases are found in DNA? 2 OR 4 OR 6

The nitrogenous base Adenine is paired with what other base? Guanine OR Cytosine OR Thymine

Every living cell has _______________ chromosomes. 42 OR 46 OR 48

The nitrogenous base Cytosine is paired with what other base? Guanine OR Thymine or Uracil

During the building phase, DNA polymerase associated with the DNA and builds the new strands by adding DNA ____________________. Nucleus OR Nucleotides OR Double Helix

Because only half of each parent strand remains in the DNA molecule after replication, the process is called: Conservative or Semi-conservative