APCB5A~1.PDF

Unit 2 Genetics Picture Glossary Part 1 DNA Nucleotide DNA strand DNA molecule (Double Helix) Anti-parallel DNA molecule DNA sequence Histone Chromosome packaging Chromosome (unreplicated) Chromosome (Replicated) Telomere Centromere Gene DNA template strand Gene locus (lo...

Unit 2 Genetics Picture Glossary Part 1 DNA Nucleotide DNA strand DNA molecule (Double Helix) Anti-parallel DNA molecule DNA sequence Histone Chromosome packaging Chromosome (unreplicated) Chromosome (Replicated) Telomere Centromere Gene DNA template strand Gene locus (loci pl.)  Allele A or a But really Homozygous genotype (same alleles) Heterozygous genotype (different alleles) Sister chromatids Homologous chromosomes Non-homologous chromosomes Diploid cell Haploid cell RNA Nucleotide Protein Amino acid Protein synthesis  Transcription Transcription occurs in the nucleus when: ∙ RNA polymerase enzyme binds to the promoter site ∙ RNA Polymerase - unzips DNA and reads DNA template strand ∙ RNA Polymerase builds a complementary Pre-mRNA  Transcription https://dnalc.cshl.edu/resources/3d/12-transcription-basic.html  Translation Translation occurs at a Ribosome when ∙ ‘mRNA codons’ pair with complementary ‘tRNA anticodons’ ∙ ‘tRNA Anticodon’ carries a specific amino acid ∙ Ribosome joins specific amino acids to build a polypeptide chain https://dnalc.cshl.edu/resources/3d/15-translation-basic.html Translation