MIP 300 Exam 3 questions n answers graded A+ 2023/2024

MIP 300 Exam 3Replication - correct answer Flow of genetic information from one generation to the next through the process of identically copying and passing it on to the next generation Gene expression - correct answer The flow of genetic info within a cell to then create RNA and then followed by protein 3 components of a nucleotide - correct answer 1) Sugar (deoxy/ribose) 2) Nitrogenous bases (purines A and G, pyrimidines C, U, and T) 3) Phosphodiester covalent bond between 5' and 3' carbon of conjoining nucleotides Determinant of sugar in nucleotide - correct answer If 2' carbon going clockwise from O has either an OH or an H coming off of it A and T have ____ H bonds, C and G have _____ - correct answer 2, 3 Organizational features of DNA in prokaryotes - correct answer -Condensin proteins -Circular, single chromosome -Plasmids floating in the area Organizational features of DNA in eukaryotes - correct answer -Histone proteins -2 or more linear chromosomes Origin of replication - correct answer Site to begin replication, only one in circular DNA, multiple in eukaryotes, acts bidirectionally Substrates required for replication - correct answer -4 base nucleotides (dNTP) capable of being hydrolyzed to draw energy from Helicase - correct answer Unzips DNA Topoisomerase - correct answer Unwind DNA's double helical structure Single Stranded DNA binding proteins (SSB) - correct answer Hold the DNA in an unwound position DNA Polymerase 3 - correct answer Performs the primary synthesis of DNA with a primer and supply of dNTP's Primase - correct answer Produces short 1-5 base pair RNA primer for DNA polymerase 3 function DNA polymerase 1 - correct answer Repairs errors, removes RNA primer, adds back missing complementary DNA nucleotides DNA ligase - correct answer Reseals ends of DNA All DNA polymerases synthesize in the _____ direction, and therefore read in the ______ direction - correct answer 5' to 3', 3' to 5' Catabolism - correct answer Breaking down of complex molecules into simple ones through an exergonic energy releasing rxn Anabolism - correct answer Building complex molecules from simple ones through an endergonic