What types of cells in the body are multinucleate

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What types of cells in the body are multinucleate osteoclasts 245. What types of cells in the body cannot undergo mitosis neurons, cardiac muscle, red+white blood cells, skeletal muscle, smooth muscle 246. What types of fatty acids are least likely to be found in the cell membrane? ones with trans double bonds 247. what would happen if a myelinated axon had no nodes of Ranvier? ions would travel further becasue there is even more membrane resistance, but depolarization would die out before evening reaching the axon termini 248. When a sensory neuron receives a stimulus that brings it to threshold, it will do what Become depolarized, transducer the stimulus to action potential, cause the release of neurotransmitters on cells ion the CNS 249. When do Ca channels open? When the action potential arrive at the terminal 250. when is cortisol released and what does it do it is released during stress and leads to increased blood glucose levels, so it will trigger things like gluconeogenesis 251. When is glycine useful in an alpha helix? For triple helices 252. when would increasing temperature of a reaction not speed it up the human body is at 37 degrees so reactions cant happen well at anything mroe than 50 degrees 253. Where does fertilization occur? in the ampulla of the fallopian tube 254. where does intrinsic factor come from and what is its importance comes from parietal cells and serves to scavenge vitamin B-12 in the stomach and chaperone it to the ileum for absorption 255. where do low and high pH molecules travel in electrophoresis? How about isoelectric focusing? electrophoresis: you have an anode and cathode. Dna will move towards the cathode (because of negative backbone) and the smaller it is, the farther it will travel towards the cathode. negative proteins->cathode, positive proteins->anode isoelectric focusing: you have a pH gradient, so the molecule will stop when pH=pI 256. Where is sperm developed Seminiferous tubules in the testes, nourished by sertoli cells 257. Which amino acids have chiral side chains? Threonine and isoleucine 258. which cells have the most mitochondria and which cells have the least most: liver cells and muscle cells 259. which cells secrete HCl in the stomach? parietal cells 260. which chemical of hormone has a longer half life and which is more likely needing a binding protein in the blood lipid soluble ones for both 261. Which chemicals are released in a mother to maintain the endometrium Estrogens and progesterone
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262. Which developmental stage has the greatest nuclear -to- cytoplasmic ratio? Blastula 263. Which do the following enzymes function best at in terms of pH Sucrase, chymotrypsin, carboxypeptidase, pepsin Sucrase, chymotrypsin, carboxypeptidase: high pH pepsin: low pH 264. which fatty acids are most sensitive to lipid peroxidation? unsaturated ones 265. Which heart valves are NOT actively closed by the contraction of muscular structures? semilunar valves 266. which is the enzyme in metabolism that doesn't need a redox cofactor hexokinase 267. Which of the correct sequence of a cardiac impulse? A node - atria - AV node - bundle of His - Purkinje fibers - ventricles 268. Which of the following correctly traces the circulatory pathway?
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