Understanding Protein Synthesis and DNA Structure in Cells
School
University of Iowa**We aren't endorsed by this school
Course
BIOL 1141
Subject
Biology
Date
Dec 11, 2024
Pages
2
Uploaded by EarlDinosaurPerson771
Lecture 1.7 In-Lecture1.Where do proteins come from? a.As we learned in lecture today, proteins arise from their monomer, which we know as amino acids. The proteins are coming from the RNA that is held in the nucleolus and is made from synthesis through the Rough ER. 2.What are the 2 types of bonds that hold the nucleotides into a double helix of DNA? Identify the nucleotide constituents of the bond and relative strength. 1.Bonds that hold the backbonea.Held together by covalent bondsb.Hard to break2.Bonds that hold the two strands togethera.Held together by hydrogen bindsb.Easier to break3.What are the DNA base pairs? Identify which are purines, which are pyrimidines, and what their binding partners are in DNA. a.The DNA base pairs are Thymine bonding with Adenine, and Guanine bonding with Cytosine. We learned that the two groups dividing these base pairs are the purine and pyrimidines. The purine bases contain adenine and guanine, and the pyrimidines bases contain cytosine and thymine.
Lecture 1.7 In-Lecture4.Describe how so much DNA fits inside the nucleus of a cell-In the nucleus there is a large amount of DNA, so large that there must be a way for it to all fit. DNA will wrap itself around proteins, which will then allow chromatin to help package the protein tightly to ensure it fits inside the nucleus.