Study guides, Class notes & Summaries

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 343 Practice Final Questions and answers verified to passCMMB 343 Practice Final Questions What bacteria is able to resist radiation to a great extent? A. Periblacter B. Deinoccous Radiodurans C. Micrococcus D. Spirocheate - correct answer B A bacteria was recently discovered, which of these microbial diversities would not be used to categorize the microorganism? A. Morphological B. Genetic C. Distribution D. Structure - correct answer C The discovery of nitrogen fix...

CMMB 403 - Deferred final exam Question and answers already passed CMMB 403 - Deferred final exam A. At 13 days after fertilization WHERE are the progenitor cells that will eventually proliferate and differentiate to form the ventricles of the human heart? they are in the epiblast since this is during the bilaminar stage for a human embryo - before gastrulation has started. describe the key signals, cell and tissue movements that result in the formation of the ventricular region of t...

CMMB 403 - Kahoot and TopHat Questions and answers verified to passCMMB 403 - Kahoot and TopHat Questions The germ cells of Xenopus are - correct answer Autonomously specified The first mesoderm cells to involute during Xenopus gastrulation are - correct answer the cells that form the prechordal plate (dorsal head mesoderm) Disheveled is a component of - correct answer the planar cell polarity and the canonical WNT pathway Holt-oram syndrome is caused by haploinsufficiency of w...

CMMB 403 final exam Question and answers already passed CMMB 403 final exam what does CRISPR use in order to generate changes in genome? is CRISPR forward or reverse genetics? - correct answer - nuclease - 20 nucleotide RNA sequence to target specific sites in the genome - reverse genetics what is the role of Cas9 in CRISPR - correct answer endonuclease that catalyzes double stranded breaks what are the two repair paths cells can use to repair double stranded breaks from CRISPR-Ca...

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...

CMMB 403 Midterm 1 Question and answers rated A+ CMMB 403 Midterm 1 Stages of Early Embryogenesis - correct answer 1. Fertilization 2. Cleavage 3. Gastrulation 4. Organogenesis 5. Larval Stage 6. Gametogenesis Patterns of Cleavage - correct answer 1. Holoblastic: complete cleavage 2. Meroblastic: Incomplete cleavage Germ cells - correct answer Precursors of sperm and egg that are set aside early in development (do not form from embryonic germ layers) Ectoderm (outer laye...

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...

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 403 Tutorial Quiz 2 Question and answers correctly solved CMMB 403 Tutorial Quiz 2 What characterizes each abdominal segment of the ventral side of the larva? - correct answer anterior denticles (point posteriorly) and a posterior naked region, side by side Who looked at fly embryo to identify segmentation genes? - correct answer Christiane Nusslein-Volhard and Eric Wieschaus how do we identify genes or genotypes responsible for a particular phenotype? - correct answer knockou...