BIOLOGY: Chapter 12 Vocabulary Words

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28 cards   |   Total Attempts: 188
  

Cards In This Set

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What is transformation?
Process in which one strain of bacteria is changed by a gene or genes from another strain of bacteria.
What is bacteriophage?
Virus that infects bacteria.
What is a nucleotide?
A unit that makes up a long molecule of DNA.
What is base pairing?
A principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine.
What is Chromatin?
Tightly packed substance consisting of DNA.
What is histone?
Protein that is inside of DNA.
What is replication?
When a cell divides itself and then duplicates its DNA.
What is DNA polymearse?
The principle enzyme involved in DNA replication.
What is a gene?
Coded DNA instructions that control the production of proteins within the cell.
What is messenger RNA?
The RNA molecule that carries copies of instructions.
What is ribosomal RNA?
Location in which the construction of a protein occurs.
What is transfer RNA?
RNA that transfers each amino acid to the ribosome as it is specified by the messages in mRNA.
What is transcription?
The process in which RNA molecules are produced.
What is RNA polymearse?
An enzyme required for transcription to take place.
What is a promotor?
Regions of DNA that enzymes bind to.