No polymerization once formed. Microtubules Actin Intermediate Filaments Prevent excessive stretching of cells. Used to move vesicles within cells. Used in cell crawling and cell contraction. Made of dimers of alpha- and beta- tubulin. Also called microfilaments A strong structural protein within cells.

Q: Which of the following properties are shared by desmosomes and hemidesmosomes? Select all that…

A: Option a  nad c they both are protein structure found in eukaryotic cells and they bind to…

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A: Answer.  Procollagen is the precursor of collagen. Collagen is the major structural protein in the…

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A: The extracellular matrix (ECM) is defined as the non-cellular component present within all tissues…

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A: The eukaryotic cytoskeleton is composed of microfilaments, microtubules, and intermediate filaments.…

Q: Which of the following has a triple helix structure?     α-keratin.     Collagen.     Amyloid.…

A: A triple helix is three chains of molecules that are intertwined around a common axis. For…

Q: Interphase includes three phases. Name the three phases and describes what occurs in each.

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Q: Which of the following statements about the membrane bilayer is FALSE?

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A: Cell crawling means cell movement.Cell crawls for forming new tissue during embryonic development,to…

Q: Proteins can be described as being either globular or fibrous in shape. Fibrous proteins O are an…

A: Generally proteins are  macro-molecules consisting of amino acids. Proteins are essential nutrients…

Q: Figure 3.7 What structures does a plant cell have that an animal cell does not have? What structures…

A: An organism that has presence cells containing a nucleus as well as other organelles that are…

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A: Answer Microtubule is composed of alpha and beta-tubulin. These are hollow tubes about 25nm in size…

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A: Cell adhesion molecules (CAMs) are glycoproteins that exist on the cell surface and facilitate…

Q: Why are glycolipids important in the cell membranes? Group of answer choices Glycolipid helps the…

A: Glycolipids are glycoconjugates of lipids that are generally found on the extracellular face of…

Q: The little black dots all over the rough ER are: DNA RNA Gold particles Membrane proteins Ribosomes

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Q: What is NOT a type of intermediate filament

A:

Q: The location of which of the following is topologically equivalent to the cytosol (as opposed to the…

A: Topological equivalency is a binary connection on the category of all topological spaces that is…

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Q: True or False: A cell plate forms in cytokinesis in plant cells. True False Maybe

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Q: Intermediate filaments Options: A)  are larger than 10nm in diameter B)  have a hollow core…

A: The complex network of protein filaments found in the cytoplasm of a cell is known as a cell…

Q: Which of the following is not a cellular process of the endoplasmic reticulum and/or the Golgi…

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Q: Which of the following are characteristics of both actin filaments and microtubules? Select all that…

A: Actin filaments and tubulins are the subunits of microfilaments and microtubules respectively. They…

Q: Which of the following kinesins slides microtubules along each other in an antiparallel direction?…

A: Kinesins are the motor protein found in all eukaryotic organisms and these proteins are essential to…

Q: The enzymes contained with lysosomes function to breakdown biological macromolecules. These enzymes…

A: The enzymes contained in the lysosomes function in the breakdown of biological macromolecules. The…

Q: Which of the following cell junctions is involved with anchoring the extracIular matrix to the cell?…

A: The class of multiprotein complexes that serve to provide contact or act as adhesion sites for the…

Q: Which of the following CORRECTLY describes a similarity when comparing actin filaments and…

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A: Introduction:-  Osteogenesis imperfecta (OI), also known as brittle bone disease, is a genetic…

Q: You are studying actin polymerization in the lab. You have Tube 1 with cell extract and ATP, and…

A: The actin filament is one of the major component of cytoskeleton protein in eukaryotic cells. They…

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A: Tubulin is a family of globular proteins that has two components viz. α- and β-tubulins that can…

Q: PERCENTAGE COMPOSITION OF WATER INSIDE THE CELL? IT SURROUNDS THE CHROMATIN AND NUCLEOLI? DOUBLE…

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Q: Chromatin condenses. Name: Homologs aligned by synapsis and chromosomes are compact. Name:

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Q: A patient has ingested a chemical known to prevent alpha-tubulin from hydrolyzing GTP to GDP. Which…

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Q: Which of the following is NOT required for proper flagellar structure and function? centrosome…

A: Ans:- Centrosome

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A: All living organisms are made up of cells, which are the most basic unit of life. They are…

Q: Check the box under each molecule for which the statement in the first column is true. statement It…

A: RNA is a single stranded molecule which is called ribonucleic acid and is made up of nucleotides. It…

Q: The subunits of which filament bind to GTP, a condition that favors the polymerization of the…

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