Cell Division and Gene Expression

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Cell Division and Gene Expression

The 46 chromosomes of a male

OOGENESIS

OOGENESIS

DNA Biology and Gene Expression

3 kinds of RNA help with information transfer for protein synthesis

Transcription mRNA maturation

Gene Expression: The Movie

TRANSCRIPTION Translation 1. DNA in nucleus serves as a template for mRNA. Translation DNA introns primary mRNA exons nuclear pore

TRANSCRIPTION Translation 1. DNA in nucleus serves as a template Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. TRANSCRIPTION 1. DNA in nucleus serves as a template for mRNA. Translation DNA 2. mRNA is processed before leaving the nucleus. introns primary mRNA exons mature mRNA nuclear pore

TRANSCRIPTION Translation 1. DNA in nucleus serves as a template Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. TRANSCRIPTION 1. DNA in nucleus serves as a template for mRNA. Translation DNA 3.mRNA moves into cytoplasm and becomes associated with ribosomes. 2. mRNA is processed before leaving the nucleus. introns primary mRNA exons large and small ribosomal subunits mature mRNA mRNA nuclear pore

TRANSCRIPTION Translation 1. DNA in nucleus serves as a template Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. TRANSCRIPTION 1. DNA in nucleus serves as a template for mRNA. Translation DNA 3.mRNA moves into cytoplasm and becomes associated with ribosomes. 2. mRNA is processed before leaving the nucleus. introns primary mRNA exons large and small ribosomal subunits mature mRNA mRNA amino acids nuclear pore 4. tRNAs with anticodons carry amino acids to mRNA. tRNA C A U anticodon

TRANSCRIPTION Translation 1. DNA in nucleus serves as a template Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. TRANSCRIPTION 1. DNA in nucleus serves as a template for mRNA. Translation DNA 3.mRNA moves into cytoplasm and becomes associated with ribosomes. 2. mRNA is processed before leaving the nucleus. introns primary mRNA exons large and small ribosomal subunits mature mRNA mRNA amino acids nuclear pore peptide 4. tRNAs with anticodons carry amino acids to mRNA. tRNA C A U U G G U U U anticodon G G G A C C A A A G U A ribosome codon 5. Anticodon–codon complementary base pairing occurs.