Mcb exam 2 questions - Study guides, Class notes & Summaries

MCB 2050 Molecular Biology of the Cell - W21 Practice Midterm exam questions and answers tips with Dr. Yankulov University of Guelph PART A 1. Which of the following is NOT an essential component of a cloning vector? a. A unique restriction endonuclease cleavage b. A dominant selectable marker gene c. An origin of replication d. A Taq polymerase binding site 2. Methylation of DNA sequence is used how by bacteria? a. Methylation of DNA can inhibit cell division b. Methyla...

MCB 3020 exam 2 Questions And Answers 100% Correct 1st law of thermodynamics Energy cannot be created or destroyed, but can be redistributed within a system or its surroundings. Free energy energy that is available to do work. It is defines at standard conditions of concentration, P, T, and pH. the more (-), the more energy we have to do work (exergonic) Standard reduction potential The tendency of a species to be reduced. in ETC, electrons flow from low to high reduction potential. (...

Macronutrients - carbon, nitrogen, phosphorus, sulfur, oxygen, hydrogen, potassium, sodium, magnesium, calcium, and iron Micronutrients - manganese, zinc, cobalt, molybdenum, nickel, copper All organisms require - Carbon, Hydrogen, Oxygen, and electrons Autotrophs - Assimilate carbon from inorganic sources Heterotrophs - Assimilate carbon in preexisting organic form Phototrophs - Capture light energy to produce ATP Chemotrophs - Capture energy from oxidation of reduced organic ...

MCB Exam 1 Questions & Answers 2023/2024 A unifying principle - ANSWER-What does genetics provide biology with? Bacteria and Archaea - ANSWER-What are 2 prokaryotes? Neither - ANSWER-Are viruses are not prokaryotic or eukaryotic? 1.) Interphase 2.) Mitosis - ANSWER-What are the two main phases of the cell cycle? Cell growth - ANSWER-What happens G1 Non-dividing phase - ANSWER-What is G0 - Can DNA replicate - It corrects the proteins present - ANSWER-What is the point of ...

MCB Exam 2 Rats Questions With Correct Answers Extensive digestion of chromatin with micrococcal nuclease was found to yield particles called nucleosome core particles that appear as beads when viewed by electron microscopy. Which of the following is not found in the nucleosome core particle? a. Two molecules of H2A protein b. Two molecules of H3 protein c. Two molecules of H4 protein d. One molecule of H1 protein - answerd. One molecule of H1 protein The transfer of information from pa...

MCB 150 Final Exam Review with Questions and Answers 2024 Update MCB 150 Final Exam Review with Questions and Answers 2024 Update Children receiving chemotherapy or bone marrow transplants to treat cancer have a weakened immune system. Some vaccinations are comprised of a weakened live virus and are not recommended for those who are immunocompromised. What strategies can help protect the immunocompromised individuals in a community? Choose all that apply. What experimental question(s) can...

MCB Exam 2 Practice Questions & Answers 2023/2024 DNA is more suitable than RNA to serve as genetic material. One reason is: - ANSWER-DNA is a much more stable molecule due to the lack of 2'-OH group on the sugar component common form of DNA double helix has phosphodiester bonds that--- - ANSWER-between nucleotide residues run in opposite directions in the two strands B-form DNA - ANSWER-most stable form under physiological conditions, wide and deep major groove, with base-pairs near...

MCB Boards- Things to Memorize Exam Questions and Answers Already Graded A+ Osteopenia T score - ANSWER -1.1 to -2.49 Osteoporosis T score - ANSWER -2.5 or less When to start screening with DXA - ANSWER 65 When do you use Z scores? - ANSWER matched reference population for premenopausal women <2.5 is less than expected range, evaluate for secondary causes of osteoporosis FRAX score - ANSWER --Survey used to assess fracture risk --Used *ONLY* if the patient is *OSTEOPENIC* --*Treat like osteo...

MCB 2610 Lab Exam 1 Questions with complete solution 2024/2025 MCB 2610 Lab Exam 1 T streak method - correct answer ussed to isolate colonies 1. steralize loop by placing in flame 2. dip into media 3. spread on zig zap in 1 4. steralize then drag from 1 to 2 5. steralize than drag from 2 to 3 colony - correct answer community of genetically identical cells that can be seen without a microscope liquid vs solid media - correct answer liquid= grow large amounts of bacteria for ...