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Essential Biology Chapters 10,11,12
Some of the vocabulary words from the chapters
70
Biology
Undergraduate 1
11/09/2015

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Term
Produce embryonic stem cells for therapy.
Definition
Therapueudic cloning
Term
Substance in tobacco that binds to P53 gene.
Definition
BPDE
Term
Cluster of related gene that control gene expression
Definition
Operon
Term
Mechanism that turn on and off certian genes
Definition
Gene regulation
Term
DNA segment between the promoter and the enzyme genes
Definition
Operator
Term
Site where enzyme RNAplymerase attaches
Definition
promoter
Term
Protien that binds to the operator
Definition
Enhancers
Term
Bind tto DNA sequences called enhancer and promoter
Definition
Repressor
Term
Enhance transcription
Definition
Transcrription factors
Term
Genetic Copy
Definition
Clone
Term
Genetic copy which results in the bith of a new animal
Definition
reproductive cloning
Term
modificaton of protiens to make them functional
Definition
protien activation
Term
More than one type of polypeptide from a single gene
Definition
aternative RNA splicing
Term
One of the 2x chromosomes is activated in the embryo
Definition
X chromosome inactivation
Term
Restock populations of endagered animals
Definition
applications of reproductive cloning
Term
sequence of neucleotiede
Definition
gene
Term
stem cells in umvilical cord can be used for genetic diseases
Definition
umblical cord blood banking
Term
replacing the nucleus of an egg cell with the nucleus of an adult cell
Definition
adult stem cells
Term
The transfer of genetic information fromDNA to mRNA
Definition
transcription
Term
he transfer of information from mRNA into a polypeptide chain
Definition
translation
Term
A polypeptide chain
Definition
many peptide chains
Term
Language of nucleic acids (DNA, RNA)
Definition
sequence of neucleotides
Term
The genetic instrution for the aino acid sequence in DNA and MRNA
Definition
Codons
Term
Number of bases in a codon
Definition
3
Term
What does one codon code for
Definition
Amino ACid
Term
Write a stop codon
Definition
UAA, UAG, UGA
Term
The starting amino acid in a protein chain
Definition
Adinine
Term
The codon that codes for the starting amino acid
Definition
AUG
Term

The nucleotide sequence located at teh beginning of a gene which is a "start transcribing signal"

 

Definition
start codon
Term
The enzyme involved in the sythesis of RNA
Definition
uracile
Term
The attachment of RNA polymerase to teh promoter and the start of RNA synthesis
Definition
Term
the phase of transcription in which the RNA grows onger
Definition
elongation
Term
The special sequence of bases in the DNA template which signal the end of a gene
Definition
Terminator
Term
the terms given to the additions of extra nucleotides in a mRNA transcript
Definition
transisolation
Term

The extra nucleotiedes in a mRNA transcript that protect the mRNA from enzymes and help the ribosome recognize it as mRNA

 

Definition
cap and tail
Term
Non coding regions of nucleotiedes in genes
Definition
introns
Term
The coding regions or the parts of a gene that are expressed
Definition
exons
Term
The mRNA processing whic involves the joining of the coding regions of genes
Definition
RNA splicing
Term
The players of translation
Definition
RNA polymerase, promoter, terminator
Term
A molecular interperter which transfers the right amino acid to teh site of protein synthesis
Definition
tRNA
Term
A special triplet of bases present in tRNA which is complementary to a codon triplet on mRNA
Definition
anticodon
Term
A molecular interpreter which has an anticodon
Definition
tRNA
Term

a organelle in the cytoplasm which is made up of proteins and rRNA

 

Definition
ribosome
Term
the subunit of a ribosome which attaches to a mRNA
Definition
indicator tRNA
Term
THE SUBUNIT OF RIBOSOMES WHICH HAS BINDING SITES FOR Trna
Definition
p-site
Term
te binding site in teh ribosomes which holds the tNA carrying the growing polypeptide chain
Definition
a-site
Term
the site in the large subunit of ribosome to which the initiator tRNA binds
Definition
start codon
Term
The 3 steps of translation in protein synthesis
Definition
initiation, elongation, termination
Term
write the anticodon in the tRNA which transfers the amino acid Tryptophan (trp)
Definition
ACC
Term
What are the nitrogenous bases with double carbon rings called?
Definition
Purines
Term
What are teh single carbon ring nitrogenous bases called
Definition
Purmadine
Term
Name the enzyme that synthesizes DNA strands
Definition
DNA polymerase
Term
In what directon does the above enzyme read the DNA template?
Definition
3 prime to 5 prime
Term
In what direction are he new molecules attached in the DNA strand?
Definition
5 prime to 3 prime
Term
Name the 2 kinds of DNA strands produced from parent DNA templates
Definition
leading, lagging
Term
what are the components of a DNA nucleotide
Definition
sugar, phosphate, base
Term
to what carbon atom is the nitorgenous base attached in a nucleotide?
Definition
carbon atom #1
Term
Between what carbon atoms in a DNA strand are the phophate molecules attached
Definition
3 prime to 5 prime
Term
In terms of the direction in which the strands run what are the two stands of DNA double helix called?
Definition
anti parellel
Term
What are teh nitrogenous bases with double carbon rings called?
Definition
purine
Term
What are the single carbon ring nitrogenous bases called?
Definition
pyrimidine
Term
Name teh enzyme that synthesizes RNA strands
Definition
RNA polymerese
Term
In what direction does the abovce enzyme read teh DNA template
Definition
5 prime to 3 prime
Term
In what direction are the new molecules attached in the RNA strand
Definition
3 prime to 5 prime
Term
name the kind of RNA strands produced from DNA
Definition
Mrna
Term
What are the componets of a RNA nucleotide
Definition
Cytocine, guanine, uracile, thymine
Term

To what carbon atom is the nitrogenous base attached in a nucleotide?

 

Definition
the 1st
Term
Between what carbon atoms in a RNA strand are the phosphate molecules attached
Definition
the 5th
Term
What is the base present in RNA that is not in DNA
Definition
Uracile
Term
list 4 differences between DNA and RNA
Definition

Uracile not Adonine

mRNA

tRNA

ribonuclic 

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