Mcb 250 Study guides, Class notes & Summaries
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MCB 250 FINAL EXAM VERIFIED ANSWERS 100%2023
- Exam (elaborations) • 10 pages • 2023
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MCB 250 FINAL EXAM VERIFIED ANSWERS 100%2023
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MCB 250 TOP Exam Questions and CORRECT Answers
- Exam (elaborations) • 26 pages • 2024
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What does being diploid mean for eukaryotes?most have 2 copies of all genes on 
chromosome, and 2 alleles of most genes on genome 
How did Mendel determine that pairs of factors must control genes?F2 had 3/4 yellow 
and 1/4 green 
An individual gene can have variation. These variations are called:alleles 
Why does meiosis occur?creates genetic diversity 
What is the key difference between meiosis and mitosis?in mitosis, the sister 
chromatids are identical together 
in meiosis, the divisions ...
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MCB 250 UPDATED Exam Questions and CORRECT Answers
- Exam (elaborations) • 22 pages • 2024
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The Drosophila embryo is patterned along its dorsoventral axis by a gradient of extracellular 
ligand. This ligand is called 
A) Dorsal 
B) Cactus 
C) Toll 
D) Pelle 
E) SpatzleE 
In the Drosophila embryo, the bicoid and oskar mRNAs are localized to the anterior and 
posterior poles of the embryo respectively. This localization depends upon nucleotide 
sequences located in which part of the RNA molecule? 
A) protein coding sequence
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MCB 250 FINAL EXAM VERIFIED ANSWERS 100%2023
- Exam (elaborations) • 10 pages • 2023
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MCB 250 FINAL EXAM VERIFIED ANSWERS 100%2023 
 
How do cells acquire different transcription factors in the first place? - correct answer The fertilized egg starts life with a sing nuclear genome. There is no gene expression at this time. Maternally derived transcription facts become localized in the egg embryo to initiate differential gene expression, or cells can communicate with one another using signals that activate particular transcription factors. 
 
Maternal gene products - correct answe...
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MCB 250 FULL COURSE NOTES - A worthy!
- Class notes • 53 pages • 2020
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These are the full notes of the MCB 250 course taken of every single lecture. It's very detailed, containing every important word in the slides and what the professor has said. Also, it's full of pictures, tables, and diagrams to aid understanding! It helped my friends and I received an A in the course!
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