Cmmb 403 f - Study guides, Class notes & Summaries

CMMB 403 Final UPDATED Actual Exam Questions and CORRECT Answers What are the origins of the optic vesicle and the lens? - CORRECT ANSWER- optic vesicle = forebrain (neural ectoderm) lens = surface epidermis --> placode Describe the process of lens induction - CORRECT ANSWER- 1. the optic vesicle (forebrain) induces thickening of the surface epidermis (prospective lens placode) 2. the optic vesicle pinches in to form the optic cup and the lens invaginate as well (lens placode co...

CMMB 403 Final Exam Questions With 100% Correct Answers

CMMB 403 Final Actual Questions and CORRECT Answers 72 hours (8 cells) (BEFORE BLASTOCYST STAGE) - CORRECT ANSWER- what is the human MZT Mid-blastula transition/maternal-zygotic transition - CORRECT ANSWER- when the transcription of zygotic genes begins and maternal mRNAs are degraded, the cell cycle lengthens, gap stages are added (before is only M and S) and the synchronicity of cell division is lost. - embryo runs on maternal resources (mRNAs and proteins in the egg @ time of fe...

CMMB 403 Final | Q&A Latest 2024/2025 | 100% PASS What is the developmental gene hierarchy in drosophila? What do each of them do? Give all examples for each 1. Maternal effect genes: set up early polarity (bicoid, nanos, caudal, hunchback) 2. Gap genes: Create 1-2 large general regions (Kruppel, knirps, giant, hunchback) 3. Pair-rule: Create 7 segments (even-skipped, Paired, Fushi tarazu) 4. Segment polarity: Give all 14 segments polarity (Engrailed, SHH, wingless) 5. Hox genes: Give...

CMMB 403 Final UPDATED Actual Questions and CORRECT Answers What are the origins of the optic vesicle and the lens? - CORRECT ANSWER- optic vesicle = forebrain (neural ectoderm) lens = surface epidermis --> placode Describe the process of lens induction - CORRECT ANSWER- 1. the optic vesicle (forebrain) induces thickening of the surface epidermis (prospective lens placode) 2. the optic vesicle pinches in to form the optic cup and the lens invaginate as well (lens placode comes i...

CMMB 403 final exam | Q&A Latest 2024/2025 | 100% PASS what does CRISPR use in order to generate changes in genome? is CRISPR forward or reverse genetics? - Answer -- nuclease - 20 nucleotide RNA sequence to target specific sites in the genome - reverse genetics what is the role of Cas9 in CRISPR - Answer -endonuclease that catalyzes double stranded breaks what are the two repair paths cells can use to repair double stranded breaks from CRISPR-Cas9 - Answer -1. non-homologous end joinin...

CMMB 403 Final Exam Questions and Answers Solved 100- Correct

CMMB 403 Final Exam_Questions with Explanations of Answers Latest Update 2025 / 2026

CMMB 403 final exam what does CRISPR use in order to generate changes in genome? is CRISPR forward or reverse genetics? - Answer ️️ -- nuclease - 20 nucleotide RNA sequence to target specific sites in the genome - reverse genetics what is the role of Cas9 in CRISPR - Answer ️️ -endonuclease that catalyzes double stranded breaks what are the two repair paths cells can use to repair double stranded breaks from CRISPR-Cas9 - Answer ️️ -1. non-homologous end joining (NHEJ) - nat...

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...