FREE ANATOMY AND STUDY GAMES ABOUT WEEK 3 EXAM

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FREE ANATOMY AND STUDY GAMES ABOUT WEEK 3 EXAM

QUESTIONS

Qs and Ans Expert- Explanation

This Exam contains:

-Guarantee passing score -35 Questions and Answers -format set of multiple-choice -Expert- Explanation Question 1: Projections from the cell that move materials and mucus are called:

Answer:

cilia.Question 2: The fundamental organizational unit of life is the:

Answer:

Cell.

Question 3: The ____ is often called the microtubule organizing center.

Answer:

centrosome Question 4: Rafts are stiff groupings of membrane molecules. What is their function?

Answer:

Help organize the various components of the plasma membrane, Play an important role in the pinching of a parent cell into two daughter cells, and Sometimes allow the cell to form depressions that form a means of carrying substances into the cell

Question 5: The barrier function of the plasma membrane is accomplished by the:

Answer:

phospholipid bilayer.Question 6: The inner membrane of what double-membrane structure is contorted into folds called cristae?

Answer:

Mitochondrion Question 7: The cell extension that assists epithelial cells in absorption is called:

Answer:

microvilli.

Question 8: What recognizes and destroys nonself cells?

Answer:

Immune cells Question 9: Damage to the centrosome and centrioles in a cell would have the greatest impact on which cell function?

Answer:

Cell division Question 10: The nucleolus is composed chiefly of:

Answer:

rRNA.

Question 11: Which organelle processes and packages material to be secreted?

Answer:

Golgi apparatus Question 12: Which of the following is not a function of the smooth endoplasmic reticulum?

Answer:

Provides a site for ribosome attachment

Question 13: The structure in cells that is associated with the enzymatic breakdown (digestion)

of foreign material is the:

Answer:

Lysosome.Question 14: Which organelles consist of vesicles that have pinched off from the Golgi apparatus?

Answer:

Lysosomes Question 15: Main cell structures include all of the following except:

Answer:

interstitial fluid.Question 16: In the cell membrane, the hydrophilic part of the phospholipid molecule:

Answer:

faces the exterior of the cell and faces the interior of the cell.Question 17: The structure that separates the contents of a cell from the surrounding tissue is

known as:

Answer:

plasma membrane.Question 18: Which of the following organelles is considered a non membranous organelle?

Answer:

Ribosome

Question 19: Which of the following is not true about ribosomes?

Answer:

Surrounded by a membrane structure Question 20: Which are the organelles that allow for the recycling of amino acids in the cell?

Answer:

Proteasomes

Question 21: A list of the cell fibers from largest to smallest would read:

Answer:

microtubules, intermediate filaments, microfilaments.Question 22: The identification function of the cell membrane is carried out by the:

Answer:

glycoprotein molecules.Question 23: The membranous structure containing substances that protect the cell from harm

are:

Answer:

Peroxisomes and lysosomes.Question 24: The enzyme catalase is an important chemical in the functioning of the:

Answer:

peroxisomes.

Question 25: Which cell fiber serves as part of our "cellular muscles?

Answer:

Microfilament Question 26: Skin cells (epithelial) are held tightly together by:

Answer:

desmosomes

Question 27: What is not true of the rough endoplasmic reticulum?

Answer:

It makes lipids and carbohydrates.

Question 28: ATP production occurs within which organelle?

Answer:

Mitochondrion