Mcb 2050 - Study guides, Class notes & Summaries

MCB 2050 Midterm Exam Questions and Answers 100% Solved 1) What are restriction endonucleases? 2) What do they do (or cut) specificically? 3) What happens to the ends of DNA cut by restriction enzymes? - 1) enzymes that cut at specific sequences (restriction sites) within DNA molecules 2) they break phosphodiester bonds that link nucleotides together 3) have single-stranded overhangs; ends are cohesive (complementary, sticky)- they can reanneal 1) Who discovered restriction enzymes? 2...

MCB 2050 Final Exam with 100- correct answers 2025.

MCB 2050 Lecture Notes #1 Exam Questions and Answers | Graded A+ Eukaryotes are multicellular. What does this compartmentalization achieve? - Compartmentalization allows for complex eukaryotic gene regulation. What does complexity achieve? - Multiple levels of gene control. Therefore, what do both compartmentalization and complexity facilitate in eukaryotes? - Complex gene regulation. Eukaryotes are differentiated and grow at different rates. How is complex gene regulation advantageous?...

MCB 2050 Vesicle Trafficking with 100- correct answers 2025.

MCB 2050* The Nucleus Exam Questions and Answers 100% Solved Prokaryotes do not possess a nucleus that is ___________ but Eukaryotes do. - Membrane bound The boundary between the cytosol and the nucleus is called the _____. - Nuclear Envelope Where chromosomes are located in the prokaryotes... - nucleoid Main functions of the nucleus: - - DNA replication - transcription/RNA processing - protein synthesis - cell division (reproduction) - control of metabolism - translation components ...

MCB*2050 Final Exam Key Terms with Complete Solutions Nucleus - Control center of the cell. Contains DNA. Largest organelle. Responsible for 1) compartmentalizations of the cellular genome and its activities and 2) coordination of cellular activities Nucleoplasm - Fluid-filled interior of the nucleus - highly organized. Consists of >30 specialized regions ('subdomains') that participate in specific functions Nucleoid - Prokaryotes possess this region where the chromosome is loc...

MCB*2050 Molecular Biology of the Cell W21 Midterm Examination, SAMPLE EXAM with Prof. K. Yankulov University of Guelph PART A (Choose only one and the best answer among the choices given.) 1. What happens when you use a mixture of four fluorescent 2′,3′-dideoxyribonucleoside triphosphates in DNA sequencing protocols? a. Multiple DNA chains that terminate at the 3’ ends at all possible nucleotide positions are produced b. When a 2′,3′-dideoxyribonucleoside triphosphate is added t...

MCB*2050 Midterm Prep Exam Questions and Answers 100% Solved RNA polymerase I - - in nucleus of eukaryotic cells - transcribes Pre-rRNA (28S, 18S, 5.8S rRNAs) - make ribosome components and synthesize proteins RNA polymerase II - - in nucleus of eukaryotic cells - transcribes mRNA, snRNAs, siRNAs, and miRNAs - encodes protein, RNA splicing, chromatin-mediated repression, and translation cotrol mRNA - - messenger RNA - transcribed by RNA polymerase II - encodes protein snRNAs - - tra...