Bio 1a03 - Study guides, Class notes & Summaries

BIO 1A03 Midterm 2 Questions and Answers Graded A Prokaryotic growth and cell division -nutrient-rich environment -favorable temperatures Housekeeping genes -genes required at all times for normal function -all ways transcribed and translated -allow constant maintance for general cellular activity -e.g. structural protein of a cell, DNA and RNA polymerase, genes coding for ribosomal proteins -constitutive Regulated genes genes that can be turned on and off at a needed basis Francois Jacob and...

BIO 1A03 McMaster University Test 2 Review Graded A+ Translation Cellular components are able to read the genetic message in mRNA and translate the message into specific primary amino acid sequence of a protein How does tRNA structure allow for SPECIFICTY in translation? 1. Plays critical role in ENABLING the translation of the information 2. Each type of tRNA molecule is not identical and can translate a specific codon into a specific amino acid What is the structure of tRNA? - single RNA str...

Translation - Cellular components are able to read the genetic message in mRNA and translate the message into specific primary amino acid sequence of a protein How does tRNA structure allow for SPECIFICTY in translation? - 1. Plays critical role in ENABLING the translation of the information 2. Each type of tRNA molecule is not identical and can translate a specific codon into a specific amino acid What is the structure of tRNA? - - single RNA strand (70-90 nucleotide length) - four doub...

BIO 1A03 McMaster University Test 2 Review 2023 with complete solution

BIO 1A03 McMaster University Test #2 Review Questions & Answers 2024 ( A+ GRADED 100% VERIFIED)

BIO 1A03 Test 1 Review Questions and Answers Graded A According to the endosymbiotic theory, what is the likely origin of the mitochondria? A. Infolded cell membranes B. Aerobic bacteria C. Anaerobic bacteria D. Non-photosynthetic chloroplasts B The endosymbiotic theory is an attempt to explain the presence of the __________ in the eukaryotic cell. A. Ribosomes and chloroplasts B. Mitochondria and the nucleus C. Mitochondria and chloroplasts D. Ribosomes and the nucleus C Water passes q...

Bio 1A03 Test 3 ( Questions with 100% Actual correct answers | verified | latest update | Graded A+ | Already Passed | Complete Solution

one gene-one enzyme hypothesis - each gene contains the information needed to make an enzyme What did George Beadle and Edward Tatum research? - Relationship between genes and proteins using the Neurospora Crassa One gene-one enzyme hypothosis (Neuroposa Example) - Neurospora can grow well on minimal medium (simple sugar, vitamins, inorganic salts), and therefore it must have enzymes produced by a certain gene that that transform these materials into amino acids and vitamins needed for gro...

Binary Fission steps - -Initiated when proteins attach DNA to plasma membrane -Begins along ORI region -Newly synthesized DNA also anchored to membrane -Cell elongates until ~2 times its original size and two has two chromosomes on opposite ends of the cell -Cell splits in two Quiescent stem cells, function - Permanently arrested in G0 phase. In adults: can replace non-reproducing specialized cells) ex adult skeletal muscle/myofiber) Steps of quiescent stem cell to myofiber - -Activate...

Central Dogma - theory that states that, in cells, information only flows from DNA to RNA to proteins what enzyme is used to transcribe DNA and describe the process - RNA polymerase attaches to specific promoter regions its these promoter regions which identifies the starting point, describe the DNA and RNA directionality and how the direction followed by RNA polymerase - the 5' end has the 5'phosphate on a nucleotide the other end is the 3' OH group of a nucleotide -traditionally rea...