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Biology STAAR Vocab

STAAR EOC

TermDefinition
Nucleotides What is the subunit of DNA of all organisms
Adenine, Thymine, Cytosine, and Guanine Name the four nitrogenous bases
Adenine to Thymine, Cytosine to Guanine How do the base pair up
RNA What molecule is single stranded with a ribose, and a uracil
DNA What molecule is double stranded with a deoxyribose and thymine
Nitrogenous bases What determines the genetic code
Codons What are the mRNA triplets called
Leucine What would be the new codon if the amino acid sequence changed its last three bases in the DNA sequence from ATT to AAT
Heterozygous Genotypes made of two different alleles, such as Dd
Homozygous Genotypes made of the same alleles, such as AA or bb
Dominant Gene that is always expressed
Recessive Gene that is expressed only in a homozygous state, such as ee
gene expression Protein synthesis involves transcription and translation to assemble proteins. This process is controlled and regulated by a processes called
operons Prokaryotic DNA contains groups of genes that are regulated together called
Transcriptions factors Cells also regulate gene expression with DNA-binding proteins called
Genetic Diversity Crossing-over occurs during prophase I. What is the significance of this even
Meiosis Specialized type of cell division in which four haploid (n) gametes, daughter cells, are formed from one diploid (2n) cell.
Transcription Name the process that forms the mRNA strand
Translation When mRNA attaches to a ribosome it begins a process know as
Nucleus Where does transcription take place
Created by: melissa1334
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