Human Anatomy (9th Edition)
9th Edition
ISBN: 9780134320762
Author: Frederic H. Martini, Robert B. Tallitsch, Judi L. Nath
Publisher: PEARSON
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Chapter 2, Problem 16RFT
Three major functions of the endoplasmic reticulum are
(a) hydrolysis, diffusion, and osmosis.
(b) detoxification, packaging, and modification.
(c) synthesis, storage, and transport.
(d) pinocytosis, phagocytosis, and storage.
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The smooth endoplasmic reticulum is responsible for
a) bringing substances into the cell.
b) fusing with the plasma membrane.
c) synthesizing lipids
d) modification of lipids and proteins
Identify the false statement about lysosomes. (a) They have the same structure and function as peroxisomes. (b) They form by budding off the Golgi apparatus. (c) Lysosomal enzymes do not occur freely in the cytosol in healthy cells. (d) They are abundant in phagocytic cells.
The proteins in the plasma membranes may function as (a) receptors and channels. (b) carriers and enzymes. (c) anchors and identifiers. (d) a, b, and c are correct.
Chapter 2 Solutions
Human Anatomy (9th Edition)
Ch. 2 - Level 1 Reviewing Facts and Terms Match each...Ch. 2 - Prob. 2RFTCh. 2 - Level 1 Reviewing Facts and Terms Match each...Ch. 2 - Level 1 Reviewing Facts and Terms
Match each...Ch. 2 - Prob. 5RFTCh. 2 - Prob. 6RFTCh. 2 - Level 1 Reviewing Facts and Terms Match each...Ch. 2 - Match each numbered item with the most closely...Ch. 2 - Prob. 9RFTCh. 2 - All of the following membrane transport mechanisms...
Ch. 2 - Prob. 11RFTCh. 2 - Compared to the intracellular fluid, the...Ch. 2 - 13. Label the following organelles on the diagram...Ch. 2 - Prob. 14RFTCh. 2 - Prob. 15RFTCh. 2 - 16. Three major functions of the endoplasmic...Ch. 2 - 17. A selectively permeable plasma membrane
(a)...Ch. 2 - Prob. 18RFTCh. 2 - Identify the advantages a cell has because its...Ch. 2 - 2. Identify the three basic concepts that make up...Ch. 2 - 3. Identify the three passive processes by which...Ch. 2 - Compare and contrast facilitated diffusion and...Ch. 2 - Prob. 5RCCh. 2 - Prob. 6RCCh. 2 - 7. Name the stages of mitosis shown in this...Ch. 2 - Identify the four general functions of the plasma...Ch. 2 - Prob. 1CTCh. 2 - Experimental evidence demonstrates that in the...Ch. 2 - Solutions A and B are separated by a selectively...
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- The fundamental bilayered structure of the plasma membrane is determined almost exclusively by (a) phospholipid molecules, (b) peripheral proteins, (c) cholesterol molecules, (d) integral proteins.arrow_forward1) All of the following are functions of proteins within a membrane except __________. A)Maintaining the fluidity of membranes B)transport ions and other polar substances C)receptors to bond molecules outside of the cell D)helping the body to recognize its own cells 2) Which of the following organelles is not part of the endomembrane system A)mitochondria B)golgi apparatus C)lysosomes D)rough endoplasmic reticulum 3) Which cytoskeletal element is composed of actin and is involved with muscle contraction and provided strength to cells during stretching and compression? A)Microfilimants B)Intermediate filaments C)Microtubules D)Flagellaarrow_forwardImagine you are working in a lab and you examine an unknown cell only to discover it possesses gap junctions and microvilli. Based on those findings, what can you assume regarding its function(s)? O a) it specializes in intercellular communication O b) it can withstand mechanical stress c) it likely functions in absorption O d) A and C O e) B and Carrow_forward
- The endocytotic process in which particulate matter is brought into the cell is called (a) phagocytosis, (b) pinocytosis, (c) exocytosis.arrow_forwardName the parts of a cell in which the following organelles exist: (a) centrioles, (b) microtubules, (c) nuclear envelope, (d) chromatin. What are their functions?arrow_forwardWhich of the following components of the plasma membrane will help increase fluidity of the memebrane? a) cholesterol b) channel proteins c) phospholipid d) glycoproarrow_forward
- Which of the following processes results in the formation of food vesicle within the cell whose contents will subsequently be digested by enzymes in the lysosome a) receptor mediated endocytosis b) phagocytosis c) pinocytosis d) exocytosisarrow_forwardProteins which are only on one side of the plasma membrane and may not interact with the phospholipids directly. The proteins are often involved in intracellular signialing. a) cholesterol b) peripheral protein c) integral proteins D) glycolipidarrow_forward92. Which of the following is the most prominent ultrastructural characteristic of interstitial (Leydig) cells? A) Centrioles B) Numerous microtubules C) Rough endoplasmic reticulum D) Smooth endoplasmic reticulum E) Zymogen granulesarrow_forward
- Which of the following regarding microtubules is LEAST correct? A)Microtubules do not have important functions in neurons B)Microtubules are important for anterograde axoplasmic transport C)No answer text provided. D)Microtubules are important for maintaining the structure of the neuron E)Microtubules are important for retrograde axoplasmic transportarrow_forwardcertain cells in the pancreas of animals produce and secrete insulin. Which of the following organelles would be found in abundance in these cells? a.) centrioles and spindle fibers b.) lysosomes and peroxisomes c.) rough ER and golgi apperatusarrow_forwardReceptor mediated endocytosis requires the presence of a) primary active transport pumps. b) D) carrier proteins that move molecules across the membrane into the cytosol. C) specialized proteins on the membrane surface.arrow_forward
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