State Correct The Cytoskeleton Terms Flashcards

Microtubules do not include which of the following functions? They form the spindle apparatus during cell division. They provide a mechanism for changing cellular shape. They form structural components of organelles, such as centrioles, cilia, and flagella. They provide structural support within axons. All of the above are microtubule functions.

Pancreatic cells that manufacture digestive enzymes contain an extensive _______________. (amount of) mitochondria smooth ER rough ER plasmalemma cytoskeleton

Which of the following is/are (a) general function(s) of the plasmalemma? physical isolation regulation of exchange with the environment sensitivity structural support A, B, and C only all of the above

In epithelial tissue undergoing a dynamic change, which form of intercellular attachment is responsible for connecting intracellular microfilaments to protein fibers of the basal lamina? macula adherens CAMs focal adhesions occluding junctions intercellular cement zonula adherens

Which of the following is not a significant characteristic of cytosol? The cytosol contains inclusions, such as stored nutrients (glycogen granules in liver or skeletal muscle, or lipid droplets in adipocytes, for example). The cytosol contains a high concentration of potassium ions. The cytosol contains relatively large quantities of carbohydrates and small reserves of amino acids and lipids.

Which structures are found in epithelial tissue that is subjected to a significant amount of abrasion and shearing forces? nexuses hemidesmosomes gap junctions tight junctions communicating junctions focal adhesions

In which process(es) does/do carrier molecules transport materials against a concentration gradient? osmosis active transport facilitated diffusion diffusion B and C B and D

Which of the following organelles is/are categorized as nonmembranous? Golgi apparatus ribosomes centrioles endoplasmic reticulum B and C C and D

Which organelle absorbs and breaks down fatty acids and other organic compounds, as well as removing and neutralizing toxins? lysosomes smooth ER centrosome peroxisomes inclusions

Which type of membrane proteins are attached to either the inner or the outer membrane surface? integral proteins transmembrane proteins peripheral proteins gated channels A and C A, C, and D

Morphology is also referred to as systemic anatomy surface anatomy regional anatomy comparative anatomy cross-sectional anatomy

Which organ system functions in the internal transport of cells and dissolved materials, including nutrients, wastes, and gases? the cardiovascular system the respiratory system the lymphoid system the urinary system the digestive system

Which sectional plane divides the body into superior and inferior portions? median transverse parasagittal frontal sagittal

The abdominopelvic cavity contains or includes which of the following? abdominal cavity pelvic cavity peritoneal cavity mediastinum A and B A, B, and C

Which of the following organs/components is a chamber shared with the digestive tract? paranasal sinuses pharynx nasal cavities larynx A and B C and D