Biology 189 final arizona college of nursing Questions and Answers 2024 ,2025 Fully Solved 100%

Are mutations in exons or introns more likely to result in an altered protein? - Exons Are mutations permanent or temporary changes in the DNA sequence? - Permanent changes in the DNA Avery - genes are composed of DNA , DNA (not proteins) can transform the properties of cells deletion mutation - a mutation in which one or more pairs of nucleotides are removed from a gene Does crossing over occur in mitosis? - No, only in meiosis Does meiosis result in diploid or haploid cells? - haploid Does mitosis result in diploid or haploid cells? - Diploid During transcription from DNA to RNA, you have the following DNA template. - 3' GTACGCTCA 5' During transcription, what is the template and what is the product? - DNA. The product is mRNA During transcription, which RNA nucleotide pairs with DNA's adenine? - Uracil Electron transport chain What comes out? - ATPElectron transport chain What goes in? - Hydrogen Erwin Chargaff - the ratios of adenine (A) to thymine (T) and guanine (G) to cytosine (C) are equal. From start to finish, approximately how many ATP molecules are generated from one molecules of ATP that gets processed in aerobic respiration? - 34-36 ATP Glycolysis: What goes in? (Reactants?) - Glucose Group the following into levels of organizations -DNA -Sister chromatids -Chromosomes - Gylcolysis: What comes out? (How many ATP, and what are the products?) - 2 ATP. pyruvate Helicase - An enzyme that untwists the double helix of DNA at the replication forks. Hershey and Chase - concluded that the genetic material of the bacteriophage was DNA, not protein. How do X-linked disorders work? - caused by variants in genes on the X chromosome, one of the two sex chromosomes in each cell. How does a hydrogen ion gradient result potential energy? - NADH + H AND FADH2 are oxidated and lose the positive hydrogen. How many daughter cells are produced by mitosis? Meiosis? Are they haploid or diploid? - 2 daughter cells mitosis , 4 daughter cells meiosis - haploidIf guanine makes of 25% of the bases in a DNA double helix: What percent of the bases are cytosine? Adenine? Thymine? - 25% In pedigree charts, what do the following represent? Shaded square Shaded circle Clear square clear circle Shape that is half shaded and half clear - Affected male Affected female Male Female Carrier of trait In which stage do cells typically spend most of their life? - Interphase In which stage of the cell cycle is DNA replicated? - S phase Insertion - A mutation involving the addition of one or more nucleotide pairs to a gene. Is DNA usually double-stranded or single-stranded? - double-stranded