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BIOL 432 UVIC spring 2023 Midterm 1 Questions with 100% Correct Answers
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agosto 2024
BIOL 432 UVIC spring 2023 Midterm 1 Questions with 100% Correct Answers BIOL 432 UVIC spring 2023 Midterm 1 Questions with 100% Correct Answers Biol 432 - Endocrinology: Peptide Hormones Questions with 100% Correct Answers BIOL 432 Midterm Exam Questions with 100% Correct Answers BIOL 432 UVIC Exam Questions with 100% Correct Answers
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BIOL 432 UVIC spring 2023 Midterm 1 Questions with 100% Correct Answers
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3

agosto 2024

2024/2025

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Autocrine signaling Correct Answer cells respond to signaling substances that they themselves secrete Juxtacrine signaling Correct Answer requires direct contact between the neighboring signaling and responding cell Paracrine signaling Correct Answer Signal released from a cell has an effect on neighboring cells. Endocrine signaling Correct Answer secreted molecules diffuse into the bloodstream and trigger responses in target cells anywhere in the body T/F Hormones can act in auto...
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BIOL 432 Midterm 1 Exam Questions with 100% Correct Answers
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15

agosto 2024

2024/2025

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How does CRISPR work naturally? Correct Answer Clustered Regularly Interspaced Short Palindromic Repeats - bacterial defense mechanism - bacteria have short palindromic repeats separated by spacer regions which are segments of DNA from past viral exposure - when attacked again by same virus, the spacer region is used as a template and the guide RNA (tracrRNA) helps recognize the viral DNA and degrade it using Cas9 nuclease at the specific site - need PAM (helps distinguish between self and n...
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Biol 432 - Endocrinology: Peptide Hormones Questions with 100% Correct Answers
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14

agosto 2024

2024/2025

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Key part of peptide / protein biosynthesis Correct Answer increase in gene expression of the cellular genes that encode for these proteins (hormones) Proteins & peptides might be ______ and/or ______ to generate their full biological activity Correct Answer glycosylated ; dimerized Proteins & peptides are (hydrophobic or hydrophilic)? Correct Answer hydrophilic - therefore can be stored in vesicles & won't diffuse through lipid membrane. Are peptides / proteins stored in vesicles or se...
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BIOL 432 Midterm Exam Questions with 100% Correct Answers
Disponible en un paquete

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15

agosto 2024

2024/2025

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Histone acetylase Correct Answer adds acetyl group onto lysine to remove charge to loosen DNA packaging Changes histones into open conformation and allows for DNA folding and transcription Concentrations influenced by hormones Hepcidin Correct Answer a hormone produced by the liver that negatively regulates iron balance in the gastrointestinal tract Brefeldin A Correct Answer Inhibits Golgi function and secretion of hormones Used to study hormone build-up Coat associated protei...
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BIOL 432 UVIC Exam Questions with 100% Correct Answers
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8

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2023/2024

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Problem with autocrine Correct Answer mutations in cells that cause proliferation (cancer) can use autocrine signalling to speed up proliferation. Use autocrine growth factors and has no down regulation Difference b/w autocrine and juxtacrine Correct Answer same cell vs neighbouring cell Both have 2 step process Agonist vs antagonist examples Correct Answer Cortisol -> agonist effect on mineralocorticoid to maintain ion and water balance Spironalactone -> Antagonist prevention o...
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