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FREE AND STUDY GAMES ABOUT ANATOMY WEEK 3 EXAM
QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -57 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: The cell extension that assists epithelial cells in absorption is called:
Answer:
microvilli.
Question 2: The plasma membrane is composed of all of the following except
Answer:
tubulin protein.
Question 3: Which of the following is not true about ribosomes?
Answer:
Surrounded by a membrane structure Question 4: The presence of which substance in the cell membrane keeps it from breaking too easily?
Answer:
Cholesterol
Question 5: Of the following, the only organelle that has a double membrane structure is the
Answer:
mitochondrion.Question 6: The structure in cells that is associated with the enzymatic breakdown (digestion) of
foreign material is the:
Answer:
lysosome.Question 7: Granules or threads within the nucleus are called:
Answer:
chromatin.Question 8: The cell extension that contains microfilaments is called:
Answer:
microvilli.Question 9: Which of the following does not describe a structure or function of the proteasome?
Answer:
Breaking down abnormal and misfolded proteins released from the ER Looks like a hollow cylindrical drum made of protein subunits Requires the small protein called ubiquitin to pull proteins in Correct!All of the above are structures or funct
Question 10: ATP production occurs within which organelle?
Answer:
Mitochondrion
Question 11: This organelle has both a cis and a trans face.
Answer:
Golgi apparatus
Question 12: Tiny indentations of the plasma membrane that resemble caves are called:
Answer:
caveolae.Question 13: Which of the following is a type of cell extension that lines the intestines and other areas of the body?
Answer:
microvilli Question 14: Projections from the cell that move materials and mucus are called:
Answer:
cilia.Question 15: The largest human cell, measuring about 150 ?m, is a:
Answer:
female sex cell or ovum.Question 16: Which area of the cytoplasm near the nucleus coordinates the building and breaking of microtubules in the cell?
Answer:
centrosome Question 17: Cisternae of this organelle are continuous with the nuclear envelope.
Answer:
rough endoplasmic reticulum Question 18: Main cell structures include all of the following except:
Answer:
interstitial fluid.Question 19: The barrier function of the plasma membrane is accomplished by the:
Answer:
phospholipid bilayer.
Question 20: Which type of junction is formed when membrane channels of adjacent plasma membranes adhere to each other?
Answer:
gap junction
Question 21: Phospholipids of the plasma membrane are arranged
Answer:
as a bilayer with their nonpolar tails sandwiched between the polar heads.Question 22: Which of the following statements about integral proteins in the plasma membrane is false?
Answer:
They are more abundant by volume than the membrane phospholipids.Question 23: Which are the organelles that allow for the recycling of amino acids in the cell?
Answer:
Proteasomes Question 24: A spherical membrane-bound structure that contains the genetic material of the cell and is often referred to as the "command center" of the cell is the
Answer:
nucleus.Question 25: Which organelles consist of vesicles that have pinched off from the Golgi apparatus?
Answer:
Lysosomes Question 26: The inner membrane of what double-membrane structure is contorted into folds called cristae?
Answer:
Mitochondrion