Multiple-Choice 1. Isotopes of an element differ in the number of: A. Neutrons i

Question

Multiple-Choice 1. Isotopes of an element differ in the number of: A. Neutrons in the nucleus B. Electron clouds C. Protons in the nucleus D. Electrons in the nucleus 2. Glycerol contains how many molecules of fatty acids? A. 1 B. 2 C. 3 D. 4 E. 5 3. An atom’s mass is determined mostly by the number of: A. Protons B. Neutrons C. Electrons D. Isotopes E. Protons and neutrons 4. Which of the following is not an example of an organic substance? A. Lipids B. Nucleic acid C. Bicarbonate D. Protein E. Carbohydrate 5. The atomic weight of an element’s atom equals the number of: A. Electrons and protons B. Electrons and neutrons C. Protons and neutrons D. Protons, electrons, and neutrons E. None of these are correct. True-False 6. Neutrons bear a positive electrical charge. 7. Electrons bear a negative electrical charge. 8. Acidosis is an abnormal physiological state caused by blood pH that is higher than 7.35. 9. The simplest and smallest atom is lithium. Chapter 3 Multiple-Choice 1. When a moving cell engulfs something, the process is called: A. Osmosis B. Facilitated diffusion C. Filtration D. Phagocytosis E. Active transport 2. The cell’s DNA is located in the: A. Lysosomes B. Mitochondria C. Nucleus D. Ribosomes E. Rough endoplasmic reticulum 3. The structures of DNA and protein found in the nucleus are called: A. Nucleolus B. Nucleoplasms C. Mitochondria D. Chromosomes E. Lysosomes 4. All of the following can be a constituent of a cell membrane, except: A. Phospholipids B. Glycolipids C. Glycoproteins D. Messenger RNA E. Cholesterol 5. When activated, lysosomes function in: A. Digestion of biological molecules B. Synthesis of carbohydrates C. Synthesis of lipids D. Synthesis of proteins E. Cell division 6. True or False: The study of cellular structure and function is referred to as histology. Chapter 4: Multiple-Choice 1. The carbon dioxide of respiration is formed during: A. The formation of water B. The formation of pyruvic acid C. Electron transport D. Glycolysis E. The TCA cycle 2. When simple sugar molecules make up molecules of glycogen, the process is referred to as: A. B. C. D. E. 3. In A. B. C. D. E. Catabolism Glycolysis Oxidation Metabolism Anabolism the process of glycolysis, glucose is broken down to yield: Lactic acid and amino acid ATP and water Pyruvic acid and lactic acid ATP, lactic acid, and amino acid Glycogen and water 4. What occurs during the process of gluconeogenesis? A. Glycogen is broken down in order for glucose release. B. Glucose is formed from noncarbohydrate precursors. C. Glycogen is synthesized. D. Glucose is converted in water and carbon dioxide. 5. Which of the following is not a feature of beta oxidation? A. It occurs in the mitochondrion. B. All second carbons are reduced. C. It involves anabolism of fats. D. Fatty acids are broken into acetic acid fragments. E. All of these are correct. True-False 6. Anabolism is the process of building complex molecules in the body from simpler materials. 7. Cellular respiration requires three types of reactions: glycolysis, hydrolysis, and rate-limiting enzymes. 8. A dipeptide is formed from several amino acids bound together. 9. Anesthesia gains more heat than the body is able to lose, causing hyperthermia. 10. The electron transport chain converts energy via the release of electronic energy to pump protons to the intermembrane space. 11. When an ATP molecule has lost its terminal phosphate, it becomes a molecule of AMP. 12. Deaminated amino acids converted to pyruvic acid can be reconverted to glucose. Multiple-Choice 1. An example of an apocrine gland is a: A. Pancreatic gland B. Salivary gland C. Sweat gland D. Mammary gland E. Sebaceous gland Chapter 5: 2. The most rigid type of connective tissue is: A. Cartilage B. Ligament C. Bone D. Tendon E. All of these are correct. 3. The most common type of fixed cell is the star-shaped cell called a: A. Fibroblast B. Mast cell C. Macrophage D. Condrocyte E. None of these are correct. 4. In the digestive tract, what characteristic exists concerning the simple columnar epithelium that forms its absorptive cells? A. Dense microvilli B. Fibroblasts C. Cilia D. A rich vascular supply 5. What is a matrix of connective tissue made up of? A. All organic compounds B. Fibers and ground substance C. Ground substance and cells D. Cells and fibers 6. Which of the following best describes chondroblasts? A. They never lose their ability to divide. B. They divide within cartilage and secrete new matrix. C. They remain in compact bone after the epiphyseal plate closes. D. They are mature cartilage cells in the lacunae. 7. Which of the following describes the three primary components of connective tissue? A. Cells, fibers, and ground substance B. Chondroblasts, fibroblasts, and osteoblasts C. Collagen, elastin, and reticular fibers D. Alveoli, fibrous capsule, and secretory cells True-False 8. Simple squamous epithelium consists of many layers with broad, thin nuclei. 9. The study of tissues is called cytology. 10. Simple epithelia are usually found in areas where absorption, filtration, and secretion occur. 11. All stratified epithelial cells have six irregular sides, resembling the appearance of a honeycomb. 12. Smooth muscle cells possess marginal nuclei but lack striations.

Explanation / Answer

1. A. Neutrons in the nucleus

2. C. 3

3. E. Protons and neutrons

4.  C. Bicarbonate

5. E. None Atomic weight is the average mass of all the isotopes of a certain type. It is a weighted average that takes into account the abundances of all of the different isotopes.

6. False Neutrons bear no electrical charge

7. True Electrons bear a negative electrical charge.

8. False Acidosis is an abnormal physiological state caused by blood pH that is lower than 7.35.

9. False The simplest and smallest atom is Hydrogen

Chapter 3

1. When a moving cell engulfs something, the process is called: D. Phagocytosis

2. The cell’s DNA is located in the: C. Nucleus

3. The structures of DNA and protein found in the nucleus are called: D. Chromosomes

4. All of the following can be a constituent of a cell membrane, except: D. Messenger RNA

5. When activated, lysosomes function in: A. Digestion of biological molecules

6.False: The study of cellular structure and function is referred to as Cell biology

Chapter 4

1. The carbon dioxide of respiration is formed during: A. The formation of water

2. When simple sugar molecules make up molecules of glycogen, the process is referred to as: Anabolism

3. ATP water 2 molecules of pyruvates

4. What occurs during the process of gluconeogenesis? B. Glucose is formed from noncarbohydrate precursors.

5. Which of the following is not a feature of beta oxidation?. C. It involves anabolism of fats.

6. Anabolism is the process of building complex molecules in the body from simpler materials. True

7. Cellular respiration requires three types of reactions: glycolysis, hydrolysis, and rate-limiting enzymes. False

8. A dipeptide is formed from several amino acids bound together. False

9. Anesthesia gains more heat than the body is able to lose, causing hyperthermia. False

10. The electron transport chain converts energy via the release of electronic energy to pump protons to the intermembrane space. True

11. When an ATP molecule has lost its terminal phosphate, it becomes a molecule of AMP. False

12. Deaminated amino acids converted to pyruvic acid can be reconverted to glucose. True

Chapter 5

Multiple-Choice

1. An example of an apocrine gland is a: D. Mammary Gland

2. The most rigid type of connective tissue is: C.Bone

3. The most common type of fixed cell is the star-shaped cell called a: A. Fibroblast

4. In the digestive tract, what characteristic exists concerning the simple columnar epithelium that forms its absorptive cells? A. Dense microvilli

5. What is a matrix of connective tissue made up of? A. All organic compounds

6. Which of the following best describes chondroblasts? D. They are mature cartilage cells in the lacunae.

7. Which of the following describes the three primary components of connective tissue? A. Cells, fibers, and ground substance

True-False

8. Simple squamous epithelium consists of many layers with broad, thin nuclei. False

9. The study of tissues is called cytology. False. study of tissues is called histology

10. Simple epithelia are usually found in areas where absorption, filtration, and secretion occur. True

11. All stratified epithelial cells have six irregular sides, resembling the appearance of a honeycomb. False

12. Smooth muscle cells possess marginal nuclei but lack striations. False

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