MCAT Biology 3
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MCAT Biology 3
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25 Questions

1. Manner in which macromolecules are broken down -- water is separated into H and OH

2. Level of protein structure that is formed by the hydrogen bonds between the polar side groups of the main chain

3. The DNA found in cells which transmits hereditary information from one generation to the next; in prokaryotes it is a single naked circle of DNA; in eukaryotes it is a single strand of DNA complexed with protein

4. Adenine and Guanine

5. Components of cytoskeleton

6. A three carbon alcohol in which each carbon is attached to a hydroxyl group

7. Consist of a central carbon bound to an amino group - a carboxylic acid - a hydrogen atom - and an R group

8. A network of integrins that connects the actin filaments of one cell with those of neighboring cells or with the extra cellular matrix

9. The bond between two amino acids. Non - rotational because it has partial double - bond characteristics

10. The matrix of glycoproteins that animal cells deposit outside the plasma membrane which provide support - strength - and resilience

11. Anchor epithelial cells to a basement membrane

12. The manner in which all macromolecules are assembled -- water is a product of the reaction

13. Most common atoms found in biological molecules

14. Glycerol attached to 3 fatty acids. Also called triglyceride or triacylglycerol

15. Large - membrane bound sac in plant cells that stores proteins - pigments - and waste material

16. Phenyalanine - Tryptophan - Tyrosine

17. Protein that plays a major role in vesicle formation during receptor mediated endocytosis; forms a coated pit on the plasma membrane

18. Glycoprotein that attaches the ECM to the plasma membrane

19. A glucose ring formed with the hydroxyl group in the same plane as the methanol group

20. A hydrocarbon chain that terminates with a carboxyl group.

21. Organelles found in plants and algae that perform photosynthesis and act as storage units; they all arise from the division of themselves

22. Alanine - Valine - Leucine - Isoleucine

23. Nonpolar - polar uncharged - charged - aromatic (nonpolar and polar uncharged) - special function

24. Cholesterol receptors lack tails and cannot be taken up by cells; stays in the bloodstream and coats arteries

25. 5 carbon sugar (ribose or deoxyribose) bound to a phosphate and a nitrogenous base

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