In a folded cytoplasmic protein, with defined tertiary structure, hydrophobic amino acids are most likely to be distributed: O At the amino or carboxyl termini O Entirely randomly throughout the protein On the solvent-accessible protein surfaces At the junction of hydrophilic and hydrophobic domains Within the solvent inaccessible interior core What is NOT an example of microfilament-based structures in a cell? Stress fibres Filopodia Cilia O Lamellipodium at the leading edge O Microvilli

In a folded cytoplasmic protein, with defined tertiary structure, hydrophobic amino acids are most likely to be distributed: O At the amino or carboxyl termini O Entirely randomly throughout the protein On the solvent-accessible protein surfaces At the junction of hydrophilic and hydrophobic domains Within the solvent inaccessible interior core What is NOT an example of microfilament-based structures in a cell? Stress fibres Filopodia Cilia O Lamellipodium at the leading edge O Microvilli

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter39: Digestion And Nutrition

Section: Chapter Questions

Problem 11SQ

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Similar questions

Assign a function(s) to the following cellular structures: a. plasma membrane b. mitochondrion c. nucleus d. ribosome
In the fluid mosaic model: plasma membrane proteins orient their hydrophilic sides toward the internal bilayer. phospholipids often flip-flop between the inner and outer layers. the mosaic refers to proteins attached to the underlying cytoskeleton. the fluid refers to the phospholipid bilayer. the mosaic refers to the symmetry of the internal membrane proteins and sterols.
No animal cell has a ______. a. plasma membrane b. flagellum c. lysosome d. cell wall
Watch this video (http://openstaxcollege.org/l/endomembrane1) to learn about the endomembrane system, which includes the rough and smooth ER and the Golgi body as well as lysosomes and vesicles. What is the primary role of the endomembrane system?
Match each term with its best description. ___ cell plate a. lump of cells ___ spindle b. made of microfilaments ___ tumor c. divide plant cells ___ cleavage furrow d. spindle originates here ___ contractile ring e. dangerous metastatic cells ___ cancer f. made of microtubules ___ centrosomes g. indentation ___ telomere h. shortens with age
Which of the following have the ability to disassemble and reform quickly? microfilaments and intermediate filaments microfilaments and microtubules intermediate filaments and microtubules only intermediate filaments
FtsZ proteins direct the formation of a ________ that will eventually form the new cell walls of the daughter cells. a. contractile ring b. cell plate c. cytoskeleton d. septum
Under the microscope, a tissue specimen shows cells located in spaces scattered in a transparent background. This is probably ________. loose connective tissue a tendon bone hyaline cartilage
Cytoplasm of a plant cell divides by the process of ________. a. telekinesis c. fission b. nuclear division d. cytokinesis
The main function of the endomembrane system is: a. building and modifying proteins and lipids b. isolating DNA from toxic substances c. secreting extracellular matrix onto the cell surface d. producing ATP by aerobic respiration
Place in order the following events of receptor-mediated endocytosis. (1) Clathrin coat disappers. (2) Receptors collect in a coated pit covered with clathrin on the cytoplasmic side. (3) Receptors recognize and bind specific molecules. (4) Endocytic vesicle may fuse with lysosome whereas receptors are recycled to the cell surface. (5) Pits deepen and pinch free of plasma membrane to form endocytic vesicles. a. 4, 1, 2, 5, 3 b. 2, 1, 3, 5, 4 c. 3, 2, 5, 1, 4 d. 4, 1, 5, 2, 3 e. 3, 1, 2, 4, 5
What controls the passage of molecules into and out of the nucleus? a. endoplasmic reticulum, an extension of the nucleus b. nuclear pores,which consist of membrane proteins c. nucleoli, in which ribosome s.ubunits. are made d. dynamically assembled microtubules e. tight junctions