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Ansc 224 Exam 1 UIUC Questions and Answers 100% Solved

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Ansc 224 Exam 1 UIUC Questions and Answers 100% Solved Which of the following tissues has the greatest relative growth from birth to maturity? - Skeletal muscle During fetal development most organs and tissues are growing primarily by which process? - Proliferation or Hyperplasia Which of the...

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  • October 20, 2024
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  • Ansc 224
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Ansc 224 Exam 1 UIUC Questions and

Answers 100% Solved


Which of the following tissues has the greatest relative growth from birth to

maturity? - ✔✔Skeletal muscle

During fetal development most organs and tissues are growing primarily by

which process? - ✔✔Proliferation or Hyperplasia

Which of the following intracellular signaling pathway is important for

regulating cell size? - ✔✔PI-3 Kinase

What is the function of mTor (mammalian target of rapamycin)? - ✔✔It

signals intracellular nutrient availability

MAPK signaling results in phosphorylation of Rb protein. Rb normally

inhibits transcription of cyclins. What could be the result of a mutation in Rb

protein? - ✔✔Excess proliferation

Where in the cell cycle is the restriction point that checks for adequate

growth factors and nutrients? - ✔✔G1

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

Signaling between cells occurs by which of the following mechanisms? -

✔✔Autocrine, Juxtacrine, Paracrine, and Endocrine (all of the above)

What is the function of E3 ubiquitin ligases in protein degradation? -

✔✔Adding poly-ubiquitin in order to target proteins for degradation

Which of the following are different between epithelial and mesechymal

cells? - ✔✔Relative amounts of cell to cell and cell to matrix adhesion

Which of the following are mechanisms for epigenetic changes in the

genome? - ✔✔Methylation of DNA or methylation of histone protein

Establishing the body axes in the embryo results from which of the

following processes? - ✔✔Primitive streak induction

Which of the following cell types forms the primitive streak? - ✔✔Mesoderm

cells

Which of the following are important in regulating anterior/posterier axial

development? - ✔✔Retinoic acid, Fibroblast growth factor (FGF), Hox

genes

(all of the above)

Hox genes are important for positional identity in which tissues? -

✔✔Vertebrae, GI tract, Genitalia

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