Which of the following is the correct order of relative size from smallest to largest? A phospholipid, a messenger RNA, a virus, a prokaryotic cell
How does one determine the number of covalent bonds an element will likely form? The number of Valence electrons
What is the correct order of permeab...
Bio 212 Exam 1 Questions and Answers Which of the following is the correct order of relative size from smallest to largest? ✅A phospholipid, a messenger RNA, a virus, a prokaryotic cell How does one determine the number of covalent bonds an element will likely form? ✅The number of Valence electrons What is the correct order of permeability from most to least permeable across a lipid bilayer that does not contain transport proteins? ✅CO2, Methanol (CH3OH), H2O, Cl - Which of the following is not a feature of the fluid mosaic modes? ✅Proteins that span the lipid bilayer are enriched for hydrophilic amino acids in the transmembrane regions An insect was exposed to a temp shift from 60 degrees to 80 degrees. Which types of cellular changes would be the most beneficial to help it cope with the temperature shift? ✅Decrease the number of double bonds in the fatty acyl tails of phospholipids The figure shows a solute molecule surrounded by a hydration shell of water molecule. This means the solute molecule is most likely? ✅Positively charged What properties make water and excellent solvent? ✅Polarity, molecular shape, hydrogen bonding What type of transport mechanism could be used to move a potassium ion (K+) across a membrane down a concentration gradient? ✅Facilitated diffusion If line B represents the curve from membrane permeability of a membrane enriched for phospholipids with unsaturated fatty acids, which curve would be the one for phospholipids with saturated fatty acids? ✅Line C When polymerization of a protein is complete but a protein has alpha helixes, beta -
pleated sheets, and random coils, what is the highest level of structure in the protein? ✅Secondary Structure What are the 3 main areas of study in Biology? ✅Archaea, Bacteria, and Eukaryotes Is DNA transported into the nucleus? ✅Yes, it is transported through a pore What does the smooth ER catalyze? ✅Lipids
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