ASU BIO 181 Final Review Exam Questions & Answers 2024

ASU BIO 181 Final Review Exam Questions & Answers 2024 Which protein influences the ability of RNA polymerase to transcribe genes? - ANSWER-Transcription factors Mitosis results in the formation of two genetically identical daughter cells. This is because - ANSWER-all the genetic material is duplicated then segregated equally to the daughter cells. Which of the following is an overgrowth of cells that serves no useful purpose? - ANSWER-Tumor Why must the life cycle of sexually reproducing species alternate between haploid and diploid stages? - ANSWER-Meiosis must occur at some point in the life cycle to prevent a doubling of chromosomes in each generation. Eyelash length is an inherited trait. In the human population, there is an eyelash length gene. There are two possible variants of this gene—an allele for long eyelashes (>1cm) and an allele for short eyelashes (1 cm or less). The allele for long eyelashes is dominant (L) and the allele for short eyelashes is recessive (l). An individual who is heterozygous for eyelash length would have which of the following genotypes? - ANSWER-Ll In a eukaryotic cell, the direct product of transcription is - ANSWER-pre-mRNA Which is NOT a component of the translation machinery? - ANSWER-Protein polymerase The following mRNA transcript would result in which polypeptide sequence?5′-ACU UUC ACU AUG UUU UUA UCC UCC ACU CCU UGA-3′ Use the following codons and the amino acids they encode.AUG = Start or Met; UUU, UUC = Phe; UUA, UUG = Leu; UCU, UCC = Ser; CCU, CCC = Pro; ACU, ACC = Thr; UGA = Stop. - ANSWER-Met-Phe-Leu-Ser-Ser-Thr-Pro