Shared Flashcard Set

Details

Gene Expression
Demonstrate understanding of gene expression
31
Biology
11th Grade
11/11/2012

Additional Biology Flashcards

 


 

Cards

Term
Adenine
Definition
Purine - pairs with Thymine ( T ) in DNA but Uracil ( U ) in RNA
Term
Coding Strand
Definition
DNA strand this is similar to the mRNA produced
Term
Codon
Definition
Sequence of 3 bases specifying an amino acid
Term
Cytosine
Definition
Pyrimidine - pairs with Guanine ( G )
Term
DNA
Definition
Double Helix
Sugar phosphate backbone
Term
Enzyme
Definition
Catalyst produced by cells
Term
DNA polymerase
Definition
Enzyme that catalyses the linking of nucleotides to form DNA
Term
Genetic Code
Definition
Set of rules that governs the relationship between base sequence in DNA and amino acid sequence in proteins
Term
Genotype
Definition
The information inherited
Term
Golgi complex
Definition
Organelle in which newly-synthesised proteins are modified and are sorted accordingly
Term
Hydrogen Bond
Definition
Weak attraction between atom of hydrogen and another such as oxygen
Term
Lagging strand
Definition
The DNA strand that is synthesised discontinuously into okazaki fragments
Term
Leading strand
Definition
The DNA strand that is synthesised continuously
Term
Metabolic block
Definition
Failure of a reaction due to a non-functioning enzyme
Term
Metabolic Pathway
Definition
Sequence of reactions by which one substance is converted into another
Term
mRNA
Definition
Nucleic acid copy of a gene used in protein synthesis
Term
Mutagen
Definition
Agent that causes mutations
Term
Nuclear envelope
Definition
2 layered barrier between nucleus and cytoplasm perforated by pores
Term
Nucleotide
Definition
1 sugar 1 phosphate 1 base
Term
Okazaki fragments
Definition
Short sections of DNA produced during protein synthesis of the lagging strand
Term
One gene - One polypeptide
Definition
Each gene is specific to an amino acid sequence of a polypeptide
Term
Phenotype
Definition
Physical characteristics
Term
Polynucleotide
Definition
Chain of nucleotides
Term
Polypeptide
Definition
Chain of amino acids
Term
Protein
Definition
A long polypeptide or 2 joined together
Term
Ribosome
Definition
Makes polypeptides and is used in RNA and proteins
Term
Endoplasmic reticulum (ER)
Definition
Complex series of membrane bound spaces in the cytoplasm
Term
rRNA
Definition
RNA component of ribosomes
Term
Template strand
Definition
The DNA strand used
Term
Thymine
Definition
Pyrimidine - pairs with Adenine in DNA but is replace with uracil in RNA
Term
tRNA
Definition
Form of RNA that brings each amino acid to the codon specifying it
Supporting users have an ad free experience!