exam 3 bio 1033 brcc questions and answers 2024 with complete solution

A 2n=6 germline cell completes meiosis I. Each daughter cell - contains three chromosomes, each composed of two sister chromatids. A carcinogen is a chemical or treatment that - causes mutations that can affect gene activity. A deletion occurs during DNA replication, causing the guanine shown in red to be removed from the nucleotide strand. What effect is this most likely to have on the final protein? - The deletion of the G will cause a frame shift, resulting in a premature stop codon and a truncated protein. A mature mRNA will have a____ added. - poly a tail A physical exchange of material between two homologous chromosomes is called - crossing over. A single, unreplicated chromosome consists of a single - double-stranded DNA molecule. A tumor suppressor gene normally functions to - prevent development of cancer. A. The molecule that carries information from the DNA specifying a polypeptide to ribosomes. - mRNA An abnormality in chromosome number is called a/an________ . - aneuploid state Arrange the following events in the proper order in which they occur during meiosis I. 1 = Separation of homologous chromosomes 2 = Synapsis 3 = Crossing-over 4 = Random assortment of chromosomes on metaphase plate - 2,3,4,1Avery, MacLeod, and McCarty (1944) - dna carries genetic material in streptococcus bacteria used DNase, RNase, and protease to try and identify the genetic material B. The synthesis of an RNA copy of a gene. - Transcription