Question 12 of 25Which of the following are characteristics of animal cells?Select the correct response(s):Their mitosis is amphiastral in nature because of their centrioles.They can withstand high turgor pressure because of their vacuole.They cannot withstand high turgor pressure because they lack vacuole.Their mitosis is anastral in nature because of their lysosomes.Their mitosis is anastral in nature because of their centrioles.They cannot withstand high turgor pressure because they lack cell wall.They can withstand high turgor pressure because of their cell wall.Their mitosis is amphiastral in nature because of their lysosomes.

Centrioles are cylindrical organelles in animal cell. 2 centrioles combine perpendicularly to form a…

Answered: Which of the following are…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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QUESTION 3 Which of the following statements regarding microtubules is FALSE? A Microtubules are polar. B Microtubules are inherently unstable and rapidly disassemble with low GTP concentrations. C Microtubule-binding proteins, such as Tau, always bind to microtubules to destabilize them. D Microtubules are composed of 13 protofilaments that are arranged into a hollow cylinder. E Microtubules are typically arranged in cells such that their plus (+) ends are directed towards the plasma membrane and their minus (-) ends are attached to the centrosomes.
QUESTION 35 What event occurs to divide the sister cells in two during cytokinesis? A. Constriction of the cell body by the sliding of myosin filaments on actin filaments. B. Contraction of the cell body by the shortening of actin and myosin filaments. C. Contraction of the cell body by shortening of the microtubules. D. Dissolving of the cytoplasm at the center of the cell body followed by polymerization of new actin filaments.
Question 1 Which of the following causes a dividing cell to pinch in two by contracting like a purse string? a. microtubules b. actin filaments c. centrioles d. pilli
Question 1: a. How does cytokinesis differ between plant and animal cells? b. If a cell with six chromosomes undergoes mitosis, it will produce____________ (number) daughter cells that contain ______________ (number) chromosomes.
QUESTION 9 Which of the following is/are a motor protein(s) that can carry vesicles along microtubules? A Dynein B Kinesin C Myosin D Tau E A and B
QUESTION 16 Which integral membrane protein are responsible for communicating signals from the extracellular matrix and/or basement membrane proteins to the cytoskeleton? A Fibronectin B Adherens junctions C Cadherins D Integrins
The known information pertinent to the organelles found in bacterial cells Question 35 options: They are involved in protein synthesis. They are responsible for ATP synthesis They are bound by double membrane. The 80S quantity is associated with them. Sperm cell's sole function is to give its genetic materials to the egg cell. Hence, sperm cells carry mostly just DNA and hardly have any cellular organelles except for packs of ________________ which fuel their rapid motion. Question 29 options: endosomes Golgi apparatus endoplasmic reticulum mitochondria
Which event most accurately describes cytokinesis? Question 31 options: Cell walls prevent cleavage furrow from deepening. Actin molecules are used to develop the cell plate. The metaphase plate is the beginning area for cytokinesis Phragmoplast develop in animal cells at the metaphase plate. Cytokinesis can begin as early as metaphase.
QUESTION 28 Which of the following is the primary method by which cyclin proteins are regulated to influence entry into the cell cycle or transition from one stage to the next? A. Transcriptional upregulation and translation followed by targeted ubiquitin-mediated degradation by a proteasome. B. Phosphorylation to regulate the activity of the kinase site. C. An activating phosphorylation and an inactivating phosphorylation. D. All of these are mechanisms that can be used to regulate cyclins.
QUESTION 18 Which of the following are features of the basement membrane but not the ECM? A Contains both laminins and fibrillar collagens (e.g. collagen I and III). B Contains all types of collagens. C Contains both laminin and network-forming collagens (e.g. collagen IV). D Contains network-forming collagens (e.g. collagen IV) E Contains fibrillar collagens (e.g. collagen I and III).
What aspect of Francesco Redi’s experiment proved that life cannot spontaneouslyarise from an inanimate object such as rotten meat? Provide a brief explanation as to its relationship with the principle of cell theoryinvolved. Thank you
QUESTION 14 Which of the following statements is FALSE? A Microtubules will rapidly disassemble in response to a drop in the ATP concentration. B G-actin monomers and alpha-tubulin/beta-tubulin dimers assemble into filaments in their ATP-bound and GTP-bound forms, respectively. C Microtubules are stabilized by microtubule-binding proteins, such as Tau. D Actin-binding proteins allow F-actin to assemble in cells in many different ways. E Hydrolysis of ATP and GTP changes the conformation of the monomers once they are incorporated into actin filaments and microtubules, respectively.

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