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VocabSPED
decreased # of words for SPED
35
Biology
10th Grade
06/05/2013

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Term
Aerobic
Definition
In the presence of oxygen
Term
Allele
Definition
One gene of a pair that determines a single trait (form of a gene, one letter)
Term
Anaerobic
Definition
No oxygen present
Term
Anticodon
Definition
Sequence of 3 bases on a tRNA
Term
Asexual reproduction
Definition
process of reproduction involving only a single parent,
Term
Base pairing
Definition
In DNA, the fit between thymine and adenine and the fit between cytosine and guanine
Term
Cellular respiration
Definition
process that releases energy by breaking down glucose in cells
Term
Chromatin
Definition
strands of DNA tightly coiled around histones, makes up chromosomes
Term
Chromosomes
Definition
A thread like structure in the nucleus that contains genes
Term
Codominance
Definition
both alleles show together
Term
Codon
Definition
3 consecutive bases found on mRNA strand
Term
Diffusion
Definition
Movement of molecules from area of high concentration to area of low concentration.
Term
Dominant
Definition
A trait that will show itself whenever present in the gene makeup of an individual.
Term
Eukaryote
Definition
A cell with a nuclear membrane surrounding the DNA
Term
Fermentation
Definition
process of cells releasing energy from food without oxygen
Term
Gamete
Definition
sex cell
Term
Gene
Definition
A single unit of 2 alleles, responsible for transmitting
Term
Genotype
Definition
the genes you have (letters)
Term
Heterozygous
Definition
The paired genes for a particular trait are different
Term
Homozygous
Definition
The paired genes for a particular trait are identical
Term
Incomplete dominance
Definition
both alleles show as a blend
Term
Messenger RNA
Definition
single strand of RNA that carries the code from the DNA to the ribosome
Term
Nucleus
Definition
structures that contains the cells DNA
Term
Osmosis
Definition
diffusion of water through a membrane
Term
Phenotype
Definition
How genes are expressed by an organism (looks like)
Term
Pluripotent
Definition
Cells that can develop into most but not all types of cells
Term
Polygenic traits
Definition
trait controlled by two or more genes
Term
Prokaryote
Definition
A cell without a nuclear membrane surrounding the DNA
Term
Recessive
Definition
A trait that may be “masked” or dominated
Term
Replication
Definition
The process that copies the DNA molecule to make more DNA
Term
Ribosomal RNA
Definition
RNA that forms part of the ribosome
Term
Trait
Definition
characteristic of an individual
Term
Transfer RNA
Definition
RNA that carries an amino acid to a ribosome during translation
Term
Transcription
Definition
The process of making mRNA from DNA, happens in the nucleus
Term
Translation
Definition
The process of decoding the mRNA into a protein at the ribosome.
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