1.3 Gene Expression Flashcards Preview

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Flashcards in 1.3 Gene Expression Deck (22)
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1

Unit of polypeptide structure

Amino acid

2

Sequence of three based on tRNA that codes for a specific amino acid

Anticodon

3

Site on a transfer RNA molecule to which a specific amino acids binds

Attachment site

4

Sequence of three bases on mRNA that codes for specific amino acid

Codon

5

Sequence of DNA that codes for protein

Exon

6

Transcription and translation of a gene to synthesise proteins

Gene expression

7

Non-coding sequence OF DNA

Intron

8

Carries a copy of the DNA code from nucleus to ribosome

Messenger RNA (mRNA)

9

Strong chemical link between amino acids in the primary structure of a polypeptide

Peptide bond

10

Outward appearance of an organism

Phenotype

11

Short strand of amino acids

Polypeptide

12

Changes made to polypeptides following translation

Post-translational modification

13

Molecule made when DNA is transcribed

Primary transcript

14

Type of RNA that makes up ribosomes

Ribosomal RNA (rRNA)

15

Site of protein synthesis; composed of rRNA and protein

Ribosome

16

Ribonucleic acid; occurs in several forms in cells

RNA

17

Enzyme involved in synthesis of primary transcripts from DNA

RNA polymerase

18

Joining of exons following the removal of introns from a primary transcript

RNA splicing

19

Copying of DNA sequences to make a primary transcript

Transcription

20

Transfers specific amino acids to the mRNA on the ribosomes

Transfer RNA (tRNA)

21

Production of a polypeptide at a ribosome using information encoded in mRNA

Translation

22

RNA bass not found in DNA

Uracil (U)