Cmmb midterm Study guides, Class notes & Summaries

CMMB 403 Midterm Question and answers correctly solved CMMB 403 Midterm Two major changes of the mid-blastula transition - correct answer 1. Changes in the length of the cell cycle 2. Activation of zygotic genes Key aspects of gastrulation (3) - correct answer 1. Blastula turns into gastrula 2. Formation of blastopore 3. Germ layers move into their final positions What is a blastopore - correct answer Opening of central cavity in embryos Key aspects of organogenesis (3) - ...

CMMB 343 - Midterm 2 Question and answers rated A+ CMMB 343 - Midterm 2 What are 4 DIRECT methods of measuring bacterial growth? - correct answer 1. Flow methods: Coulter counter, flow cytometry 2. Microscopic counts: Counting chambers 3. Plate counts 4. MPNs Coulter counter - correct answer electronically scans a volume of fluid as it passes through a tiny pipette. The microbes passing through disrupt the electrical current, which is detected. Flow cytometry - correct answer Si...

CMMB 403 Midterm Question and answers correctly solved 2024 Two major changes of the mid-blastula transition - correct answer 1. Changes in the length of the cell cycle 2. Activation of zygotic genes Key aspects of gastrulation (3) - correct answer 1. Blastula turns into gastrula 2. Formation of blastopore 3. Germ layers move into their final positions What is a blastopore - correct answer Opening of central cavity in embryos Key aspects of organogenesis (3) - correct answer 1...

CMMB 403 Midterm 1 Question and answers 100% correct CMMB 403 Midterm 1 Describe the RTK signal transduction pathway when activated by the FGF ligand FGF ligand dimerizes RTK receptor. Receptor is phorphorylated and attracts adaptor/GEF. GEF begins phosphorylation cascade: GEF to Ras to Raf to Mek to Erk to TF. TF transcribes gene Describe the JAK-STAT pathway when activated by FGF FGF ligand dimerizes RTK. JAK2 proteins cross-phosphorylate. Both JAK2s phosphorylate a STAT5 (which is...

Midterm 1 - CMMB 411 Question and answers 100% correct 2024 B-DNA - correct answer - 10.5 bp per turn - Anti-parallel strands (5'->3' opposite) - Right handed helix - Major/minor grooves 35.7 A - correct answer B-DNA Helix pitch 10.5 - correct answer B-DNA bp per turn 34.3 degrees - correct answer B-DNA twist angle (degrees) 20 A - correct answer B-DNA helix diameter 3.4 A - correct answer B-DNA axial rise per bp A-DNA - correct answer DNA present in bacterial ...

CMMB 343 - Midterm 2 Questions with complete solution 2024 What are 4 DIRECT methods of measuring bacterial growth? - correct answer 1. Flow methods: Coulter counter, flow cytometry 2. Microscopic counts: Counting chambers 3. Plate counts 4. MPNs Coulter counter - correct answer electronically scans a volume of fluid as it passes through a tiny pipette. The microbes passing through disrupt the electrical current, which is detected. Flow cytometry - correct answer Similar to coulter...

CMMB 403 Midterm 1 Question and answers already passed 2024Describe the RTK signal transduction pathway when activated by the FGF ligand FGF ligand dimerizes RTK receptor. Receptor is phorphorylated and attracts adaptor/GEF. GEF begins phosphorylation cascade: GEF to Ras to Raf to Mek to Erk to TF. TF transcribes gene Describe the JAK-STAT pathway when activated by FGF FGF ligand dimerizes RTK. JAK2 proteins cross-phosphorylate. Both JAK2s phosphorylate a STAT5 (which is a cytoplasmic tyr...

CMMB 343 - Midterm 2 Questions with complete solution CMMB 343 - Midterm 2 Storage compounds - correct answer black dots, carbon polymers (glycogen), PHB. PHA. Phosphatee granules Sulfar gobules Minerals Magnetosomes - correct answer Black circlees ontop of eeachothr Magnetic iron allow cell magnetaxis - migrate to magnetic poles gas vesiclees - correct answer Little diamond shaped things side by side bouyancy regulators Importance of internal membrane - correct answer in...

CMMB 343 midterm Question and answers correctly solved CMMB 343 midterm Name for Conan the bacterium - correct answer Deinosuchus radiodurans Who was the first to describe microbes? - correct answer Robert Hooke Who was the first to describe bacteria? - correct answer Antoni van Leeuwenhoek What are the 4 categories of taxonomy that Ferdinand Cohn made? - correct answer 1. Sphaerobacteria 2. microbacteria 3. descmobacteria 4. spirobacteria What is the gold standard for sp...

CMMB 403 midterm 2 Questions with complete solutionCMMB 403 midterm 2 Capacitation - correct answer changes to the sperm after it enters the female to be able to fertilize the egg. takes 6 hours to become competent. Sperm become hyperactivated to be able to penetrate the cumulus and the zona p. what is the acrosome - correct answer tip of sperm. releases enzymes to degrade the zona pellucida to allow the sperm DNA to enter. exocytosis of the enzymes to allow contact with the egg How...