Term
| The Potential difference across the cell membrane is due to the separation of |
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Definition
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Term
| A Polysaccharide that is formed in liver and muscle cells to store glucose is |
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Definition
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Term
| The main component of the cytosol is |
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Definition
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Term
| Diffusion of a substance across the cell membrane is influenced by all of the following, except |
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Definition
A. The charge on the ion or molecule
B. The charge of the membrane.
C. The size of the membrane channel.
D. Its ability to dissolve in water. *
E. Its solubility in the lipid membrane. |
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Term
| The parietal pleural would represent a serous membrane: |
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Definition
| Lining the thoracic cavity |
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Term
| When body temperature rises, a center in the brain initiates physiological changes to decrease the body temperature. This is an example of |
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Definition
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Term
| Glycoproteins and proteoglycans are combinations of proteins and |
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Definition
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Term
| Vesicles containing enzymes that neutralize toxins such as alcohol are |
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Definition
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Term
| The three basic types of fibers in connective tissue are |
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Definition
| Collagen, reticular, and elastic |
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Term
| Which of the following would not be functional characteristics of life? |
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Definition
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Term
| A process that requires cellular energy to move a substance against its concentration gradient is called |
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Definition
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Term
| Special catalytic molecules called_______ control chemical reactions in the human body. |
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Definition
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Term
| Tissue that is specialized for the conduction of electrical impulses is ______ tissue. |
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Definition
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Term
| A type of intercellular connection in which there is a partial fusion of the lipid portions of the two cell membranes creating an impermeable barrier, is termed |
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Definition
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Term
| The packaging of extracellular materials in a vesicle at the cell surface for importation into the cell is called |
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Definition
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Term
| The most important high-energy compound in cells is |
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Definition
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Term
| The four basic types of tissue in the body are |
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Definition
| Epithelial, connective, muscle, and neural |
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Term
| The nucleus stores the DNA needed to synthesize which of the following molecules in the cytoplasm? |
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Definition
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Term
| The tissue that always has a free surface exposed to the internal or external environment is |
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Definition
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Term
| Water molecules a small ions enter a cell through |
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Definition
| Channels in some integral proteins |
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Term
| Which of the following statements is correct regarding diffusion? |
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Definition
| The greater the concentration of gradient, the faster the rate of diffusion |
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Term
| Renewal or modification of the cell membrane is a function of the |
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Definition
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Term
| During this phase of cell division, the chromosomes uncoil, the nuclear membrane forms, and cytokinesis may occur |
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Definition
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Term
| Which structures are fingerlike projections that greatly increase the absorbing surface of cells? |
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Definition
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Term
| Most of the ATP required to power cellular operations is produced in the |
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Definition
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Term
| The movement of oxygen from a area of high concentration to an area of low concentration is an example of |
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Definition
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Term
| Which endoplasmic reticulum modifies and packages newly synthesized proteins? |
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Definition
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Term
| Which of the following is NOT a correct statement about simple epithelia? |
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Definition
A. They are avascular
B. They cover surfaces subjected to abrasive or chemical stress*
C. They are characteristic of regions where secretion or absorption occurs.
D. They line internal compartments and passageways.
E. They afford little mechanical protection |
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Term
| A mature red blood cell lacks a nucleus. Thus, it |
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Definition
| cannot repari itself and will disintegrate within a few months |
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Term
| White fat is found _____ while brown fat is found in _____ |
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Definition
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Term
| The stage in cell's life cycle in which the cell performs its normal functions and prepares for division is called |
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Definition
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Term
| the type of transport process that always requires energy or an active process is termed |
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Definition
|
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Term
| components of the cytoskeleton may include all of the following, except |
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Definition
|
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Term
| loose connective tissue functions in all of the following ways except |
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Definition
| transporting substances between cells. |
|
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Term
| organized groups of cells (plus their intercellular substances) that have a common purpose form a |
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Definition
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Term
| Most of the fat found in the human body is in the form of |
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Definition
|
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Term
| when activated, lysosomes function in |
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Definition
| digestion of foreign material |
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Term
| white blood cells engulfing disease-causing bacteria illustrates |
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Definition
|
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Term
| the only example of unicellular exocrine glands are |
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Definition
|
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Term
|
Definition
| a method for transporting substances across the cell membrane |
|
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Term
| dead skin cells are shed in thick sheets because they are held together by a thin layer of proteoglycan reinforced by intermediate filaments. Such strong intercellular connections are |
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Definition
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Term
| Epithelium is connected to underlying connective tissue known as |
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Definition
|
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Term
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Definition
A) Contain enzymes that break down hydrogen peroxide
B) Absorb and break down fatty acids, generating hydrogen peroxide in the process |
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Term
| Arrange the following list of levels of organization from the smallest level to the larges level. |
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Definition
1. Organelle
2. Cell
3. Tissue
4. Organ
5. Organ System
6. Organism |
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Term
| Synthesis of lipids takes place at the |
|
Definition
| Smooth Endoplasmic reticulum |
|
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Term
| During Mitosis, two daughter cells form, each of which has |
|
Definition
| The same number of chromosomes as the original cell |
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Term
| The process by which molecules such as glucose are moved into cells along their concentration gradient with the help of membrane-bound carrier proteins is called |
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Definition
|
|
Term
| hyaline cartilage is different from elastic or fibrocartilage because |
|
Definition
| fibers are not visible with normal stains |
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Term
| _____ epithelium appears to have two or three layers of cells, but all the cells are in contact with the basement membrane |
|
Definition
| Pseudostratified columnar |
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Term
| Choose the following statement that is not completely correct regarding serous membranes |
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Definition
| Visceral pericardium covers the surface of the heart, and parietal pericardium lines the walls of the heart |
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Term
| One of the functional characteristics of life is irritability. This refers to |
|
Definition
| Sensing changes in the environment and then reacting or responding to them |
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Term
| Chondroitin sulfate is found in the matrix of |
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Definition
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Term
| Many proteins in the cytosol are ______________ that regulate metabolic operations. |
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Definition
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Term
| The reduction of friction between the parietal and visceral surfaces of an internal cavity is the function of |
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Definition
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|
Term
| The red color and heat associated with inflamed tissue is the result of |
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Definition
|
|
Term
| the heart and blood vessels are lined by |
|
Definition
| simple squamous epithelium |
|
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Term
| in order to maintain cellular homeostasis, an important exchange pump within the cell membrane ejects ____ ions from the cell and imports ____ ions . |
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Definition
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Term
| Them movement of a particular amino acid across the cell membrane (along its concentration gradient) is impaired when a molecule chemically similar to the amino acid is added to the extracellular fluid. The movement of the amino acid through the membrane is by |
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Definition
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Term
| Which of the following is a type of secretion in which some cytoplasm is lost with the product(cell remains alive)? |
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Definition
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Term
| Some cells contain large numbers of mitochondria while others have relatively few or none. |
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Definition
| Cells with large numbers of mitochondria have a high energy demand |
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Term
| Watery perspiration is an example of a ____ secretion. |
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Definition
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|
Term
| Glands that secrete hormones into the blood or tissue fluids are |
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Definition
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|
Term
| Multicellular exocrine glands can be classified |
|
Definition
| Functionally into merocrine, holocrine, and apocrine divisions |
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Term
| Cholesterol is used in the cell membrane to |
|
Definition
| help make the membrane more rigid |
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Term
| Which type of tissue provides structural support for other tissues? |
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Definition
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|
Term
| A structure that is composed of two or more tissues would be |
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Definition
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Term
| A cell duplicates its chromosomes during the ____ phase. |
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Definition
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|
Term
| Which of the following consists of a network of intracellular membranes with attached ribosomes? |
|
Definition
| Rough endoplasmic reticulum |
|
|
Term
| Each of the following is a function of smooth endoplasmic reticulum, except |
|
Definition
| modification of protein products |
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Term
| The serous membrane lining the abdominal cavity is the |
|
Definition
|
|
Term
| Inside the cell, membrane proteins are bound to the |
|
Definition
|
|
Term
| When describing a cell's membrane potential, the cell interior is |
|
Definition
| more negatively charged than the exterior |
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Term
| The cell membrane includes |
|
Definition
Glycolipids
Phospholipids
Integral proteins |
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Term
|
Definition
|
|
Term
| The watery medium that surrounds a cell is called |
|
Definition
|
|
Term
| Functions of epithelia include all of the following except |
|
Definition
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|
Term
| In positive feedback, the initial stimulus produces a response that |
|
Definition
|
|
Term
| Two types of vesicular transport include |
|
Definition
| Endocytosis and exocytosis |
|
|
Term
| Each of the following is an example of a nonmembranous organelle, except |
|
Definition
|
|
Term
| ______ attached skeletal muscles to bones and _____ connect one bone to the other |
|
Definition
|
|
Term
|
Definition
| a protein that assembles into filamentous tubes (microtubules) |
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|
Term
| The endoplasmic reticulum is responsible for |
|
Definition
Protein, carbohydrate, and lipid synthesis
Drug and toxin neutralization
storage of synthesized molecules |
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|
Term
| Close examination of an organ reveals a lining of several layers of cells. The layers do not contain any blood vessles and one surface of the cells is open to the internal cavity of the organ. This tissue is probably |
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Definition
|
|
Term
| Facilitated diffusion differs from ordinary diffusion in that |
|
Definition
| The rate of molecular movement is limited by the number of available carrier molecules. |
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Term
| Examination of a smple of glandular cells reveals an extensive network of smooth endoplasmic reticulum. Which of the following would be a possible product of these cells? |
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Definition
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|
Term
| Epithelial cells that are adapted for absorption usually have____ at their free surface. |
|
Definition
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|
Term
| The maintenance of a constant and optimal internal environment is an organism is termed |
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Definition
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|
Term
| The most fragile of the cytoskeletal elements are the |
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Definition
|
|
Term
| The anatomical position is used |
|
Definition
| As a standard reference point for directional terms regardless of the actual position of the body |
|
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Term
|
Definition
| is composed of a bilayer of lipids |
|
|
Term
| Cell junctions that promote the coordinated activity of cells by physically binding them together into a cell community include all of the folowing except |
|
Definition
|
|
Term
| All of the following membrane transport mechanisms are passive processes except |
|
Definition
|
|
Term
| hydrophilic molecules redily associate with |
|
Definition
|
|
Term
|
Definition
| Are both hydrophilic and hydrophobicd in nature |
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Term
| An incomplete fracture or cracking of the bone without actual separation of the parts. Common in children |
|
Definition
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|
Term
| Common sports fracture resulting from a twisting force |
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Definition
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|
Term
| Bone fragments into many pieces |
|
Definition
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|
Term
| Which of the following is the abnormal curve often seen in pregnant women as they attempt to perserve their center of gravity toward the end of the pregnancy |
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Definition
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|
Term
| Thickest centrum with short blunt spinous process |
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Definition
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|
Term
| A circle of bone that articulates superiorly with the occipital condyles |
|
Definition
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|
Term
| Fused rudimentary tailbone |
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Definition
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|
Term
| Allows the head to nod "yes" |
|
Definition
|
|
Term
| These bones have articular facets for the ribs |
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Definition
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|
Term
| The function of the root hair plexus is to |
|
Definition
| Allow the hair to assist in touch sensation |
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|
Term
| A joint that is known as a suture is found |
|
Definition
|
|
Term
| Nutrients reach the surface of the skin through the process of |
|
Definition
| Diffusing through the tissue fluid from blood vessels in the dermis |
|
|
Term
| an immoveable joint found only between skull bones is called |
|
Definition
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