Microtubule - Guides d'étude, Notes de cours & Résumés

BIOD 101 Module 4 Portage Learning Exam With Complete Solutions Chromosomes - structures of packaged chromatin complexes Somatic cell - All of the body's cells except gametes Number of chromosomes in each somatic cell - 46 (23 pairs) Cell cycle - Process of parent cell replicating its genetic info and dividing into 2 new daughter cells cytokinesis - division of the cytoplasm interphase - G1, S, G2 phases. 90% of cycle time. Gap phase 1 - First phase, growth phase Messenger RNA (mR...

BIOL 3240 Exam 1 | Questions and Answers (Complete Solutions) What are the two major cell types in the brain? Neurons; glial cells What are some ways cell types can be defined? morphology; transcription profile; cell properties, function; context Two characteristics of neurons asymmetrical, excitable There are ____ major types of glial cell five A neuron is a post ____ cell Mitotic Neurons are both _____ and _____ excitable chemically, electrically _________ neurons have only one process that ...

Phospholipid bilayers are NOT stabilised by: a. van der Walls forces b. covalent bonds c. hydrogen bonds d. ionic bonds e. hydrophobic interactions - Answer-b. covalent bonds A transmembrane protein has the following properties: it has two binding sites, one for solute A and one for solute B. The protein can undergo a conformational change to switch between two states: either both binding sites are exposed exclusively on one side of the membrane, or both are exposed exclusively on...

SimUText Biology mitosis questions and answers rated A+ guess which of the following life processes involves mitosis? answer is all *healing a broken bone. *long-term acclimation to a higher altitude (increasing the red blood cell count). *baking bread *getting over the flu. when does the cell replicate its DNA? Before mitosis begins. which pair of daughter cell (A, B, or C) would be produced by mitosis? (For clarity, DNA in daughter cells is shown in condensed chromosomes.) C which is the co...

What is the biochemical problem in Lesch-Nyhan syndrome? (And, only if you got that right, what are the really cool symptoms of it?) - Defective purine catabolism, so buildup of purines. It's an Xlinked recessive disorder with mutated HGPRT gene (hypoxanthine-guanine phosphoribosyltransferase, if you want to impress people). What is the defect in Chronic Granulomatous disease? What is the pathophysiology? - NADPH Oxidase deficiency leads to the inability to kill intracellular organisms Wha...

USMLE Step 1 - uWorld High Yield Notes What are the two major microtubular motor proteins? Which does anterograde axonal transport, which does retrograde axonal transport? - Kinesin, Dynein Kinesin: Anterograde Dynein: Retrograde` What do you think, immunologically speaking, when you see someone with recurrent Neisseria infections? - Inability to form the membrane attack (MAC) complex this is a common complement deficiency What is the defect in Chronic Granulomatous disease? Wha...

USMLE Step 1 - uWorld High Yield Notes What are the two major microtubular motor proteins? Which does anterograde axonal transport, which does retrograde axonal transport? - Kinesin, Dynein Kinesin: Anterograde Dynein: Retrograde` What do you think, immunologically speaking, when you see someone with recurrent Neisseria infections? - Inability to form the membrane attack (MAC) complex this is a common complement deficiency What is the defect in Chronic Granulomatous disease? What...

Which one of the following statements about microtubules in vivo versus in vitro is correct? a. The plus end polymerizes faster in vitro; the minus end polymerizes faster in vivo. b. There is no polarity to a microtubule in vitro but there is polarity to a microtubule in vivo. c. Tubulin is added to an in vitro microtubule as a dimer; tubulin is also added to an in vivo microtubule as a dimer. d. Only the plus end of a microtubule is capable of polymerizing in vitro; both ends are capable o...

B - Cell Division | Questions and Correct Answers | Latest Update 2024/2025 | 100% PASS _____ is nuclear division (karyokinesis) followed by cytokinesis cell division _____ is the nuclear division of cell division karyokinesis _____ is the division of the cytoplasm that happens at the end of cell division cytokinesis in _____ cells, there are 2 copies of every chromosome, forming a pair called _____ chromosomes diploid; homologoushumans have _____ chromosomes, _____ homologous pairs...

what structures comprise the mitotic spindle? how do they behave during mitosis? - ANSWER the mitotic spindle is composed of microtubules and centrosomes -non-kinetochore microtubules aren't attached to a chromosome; kinetochore is the protein that binds the microtubule to the chromosome -asters: radial array of short microtubules what structures are involved in cytokinesis for animal cells? plant cells? - ANSWER animal cell: -cytokinesis occurs when the plasma membrane forms a cleavage f...