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

What happens during G1? - Answer First growth phase; cell synthesizes proteins and produces cytoplasmic organelles What happens during the S phase? - Answer Synthesis; continues to grow as it copies chromosomes What happens during G2? - Answer Second growth phase; cell completes preparation needed to divide and continues basic life of the cell What happens during mitosis? - Answer Subdivided into prophase, metaphase, anaphase, and telophase; nuclear division What happens ...

Which of the following statements is true for phospholipids and sphingolipids? - Both have an amphiphatic organization Why is cholesterol able to integrate into a lipid bilayer? - Because it prevents the dense packing of phospholipids Which of the following statement best describes how bacteria in a hot spring control the fluidity of their plasma membrane? - They increase the percentage of lipids with unsaturated hydrocarbon chains in their plasma membrane. Which activity can only be do...

Herb correct answers An herb is a non-woody, annual/perennial as long as stems form no appreciable wood. The leafy part is used in cooking. These are usually found in temperate zones (Europe and the Mediterranean) Spice correct answers A spice is the non-leafy part of the plant used in cooking. It can be the bark, fruit, seeds, or roots. These are usually found in the tropics. Difference Between Herbs and Spices correct answers herbs are grown in temperate climates and the leafy parts are ...

When PDL1 binds to PD1 inhibits the cytotoxic activity of the T cell - cancer cells have evolved to be able to turn off the body's defense pembrolizumab is going to bin to PD1 so that PDL1 cannot and the T cell is not inhibited nitrosoureA - - alkylating agent very lipid soluble - can cross BBB effective for brain tumors Microtubule DE polymerization inhibitor - - once the microtubules are constructed they also have to be torn down. if they remain intact then the cells get stuck to...

Centrosome - ans ----Central microtubule organized center of cells. In animal cells, it contains two centrioles. Actin Filament - ans ----Component of the cytoskeleton; plays a role in the movement of the cell and its organelles; a protein filament in a sarcomere of a muscle, its movement shortens the sarcomere, yielding muscle contraction Bacillus - ans ----A rod-shaped bacterium; also a genus of bacteria Capsule - ans ----A form of glycocalyx that consists of a gelati...

NURS 231 Pathophysiology All Module Exams Questions and Answers- Portage Learning UPDATED 2023 GRADED A+ PATHOPHYS Module Exams Module 1 Exam Question 1 2.5 / 2.5 pts True/False: A bodybuilder’s muscles will display hyperplasia. True Correct! False It will display hypertrophy. Question 2 2.5 / 2.5 pts True/False: Barrett esophagus is an example of dysplasia. True Correct! False It’s metaplasia. Question 3 0 / 2.5 pts True/False: Hypertrophy is an inc...

HESI V2 Biology Exam Questions and Answers 100% Pass Which movement requires carrier protein but no direct cellular energy? - Correct Answer ️️ -Facilitated transport Which term denotes the movement of glucose molecules from an area of lower concentration to an area of higher concentration? - Correct Answer ️️ -Active transport Plasmolysis is a term describing? - Correct Answer ️️ -Cellular shrinkage, which occurs when cells are immersed in hypertonic solution The movement of...

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...

Testbank for Biology 2nd Edition from OpenStax CollegeChapter 1 1 Figure 1.6 1: C; 2: F; 3: A; 4: B; 5: D; 6: E. The original hypothesis is incorrect, as the coffeemaker works when plugged into the outlet. Alternative hypotheses include that the toaster might be broken or that the toaster wasn't turned on. 3 Figure 1.16 Communities exist within populations which exist within ecosystems. 4 B 6 D 8 C 10 C 12 B 14 D 16 Answers will vary, but should apply the steps of the scientific method. One pos...

Prior to neuron doctrine, what did people think the nervous system was? correct answers a "hydraulic reticulum" netword of fused cells (reticulum) filled with fluid (hydraulic), they operated using elctrical signals What did Camillo Golgi discover? correct answers - developed Golgi staining to view neurons under LM - discovered *continuous interconnected reticulum* of neurons (gap junctions) What is the neuron doctrine? correct answers idea that neurons are SEPARATE CELLS wthat mu...