Define interstitial fluid, indicating if it is inside or outside cells (Intra cellular or extracellular)
Interstitial is extracellular fluid outside the circulatory system and the cells.
What is the name of the hollow interior of an organ?
Lumen
Which two fluid compartments make up the extracellular fluid?
Plasma and interstitial fluid
Cell membranes are mainly constructed from....
lipids and proteins
Cells may store carbohydrates in the form of these cellular inclusions:
glycogen granules
What is the function of cilia in human cells?
Cilia beat rhythmically to move substances across the surface of the ciliated cells.
The inclusions that destroy protein are called...
proteasomes
Tay-Sachs disease, which results from accumulation of glycolipids that are normally broken down, is associated with malfunction of which cellular component(s)?
lysosomes
Of the protein synthesis events shown below, which occurs earliest in the process?
Ribosomes attach to the endoplasmic reticulum.
Which tissues would likely have cells with the greatest number of gap junctions?
Cardiac muscle
Which tissue can generate electrical signals?
Smooth muscle
Undifferentiated cells in a tissue that can become specialized cells of that tissue, but not of other tissues, are ______ cells.
multipotent
During which phase of the cell cycle does DNA duplication, or replication, take place?
Interphase
When a double helix of DNA is replicated, two compete helices are formed. Together, these helices are called sister ______.
chromatids
During which phase of mitosis do nuclear envelopes and the nucleoli reappear?
Telophase
During which phase of mitosis do the nuclear envelope and nucleoli disappear?
prophase
Functions of the cell membrane include physical isolation of the cell from its surroundings, regulation of exchange, structural support, and which other function?
Communication between the cell and its environment.
The space that is surrounded by the tissue wall of hollow organs is know as ...
the lumen
The lumen of a hollow organ such as the stomach is considered to part of the _____ environment.
external
When cancer develops in one tissue and spreads to another via the blood or the lymph, the dance is said to have undergone what process?
metastasis
The water in medium that surrounds a cell is know as ...
extracellular fluid.
Which of the following terms is NOT used to define the structure that separates the contents of a human cell from its surrounding medium?
a cell wall
Which of the following is NOT a function of membrane proteins?
produce energy
Cell membranes are said to be...
selectively permeable.
What is/are the major role(s) of the phospholipid bilayer?
the formation of a barrier that is selectively permeable to lipid-soluble molecules and to provide a framework for membrane proteins.
Which of the following NOT a membrane lipid?
all are membrane lipids.
Which cellular organelle is a lipid bilayer that controls which objects can leave or enter the cell?
plasma membrane
Cell membranes are said to be _____ because they allow some substance to pass but not others.
selectively permeable
The nucleus is surrounded by a...
nuclear envelope.
Communication between the nucleus and cytosol occurs through...
nuclear pores.
_____ proteins extend all the way across the cell membrane.
integral
_____ proteins attach loosely to other membrane proteins or polar regions of phospholipids.
Peripheral
A liposome is ...
an additive to creams ans lotions and a drug-delivery vehicle.
Intermediate filaments....
all of these answers are correct.
The cellular organelle(s) responsible for packaging and transporting proteins is/are the
Golgi complex
An immunoliposome is a liposome that...
can recognize cancer cells.
Each of the following is an example of a non membranous organelle except one. Identify the exception.
lysosome
The thickest protein fibers from the following group are ...
microtubules
Ribosomal RNA is formed by
nucleoli
Each of the following statements concerning mitochondria is TRUE except one. Identify the exception.
The mitochondria contain no DNA or RNA.
Tay-Sachs is a disease caused by having ineffective ...
lysosomes.
Microvilli are found ....
in cells that are actively engages in absorption.
Microtubules....
all of the answers are correct.
Centrioles....
direct the movement of DNA during cell division.
Most of the ATP required to peer cellular operations is produced in the ...
mitochondria.
Which does NOT accurately complete the sentence? One of the major functions of both types of ER is the ...
storage of genetic material for the cell.
All of the following are synthesized along various sites of the ER except one. Identify the exception.
RNA
Which of the following is NOT a molecule synthesized in the smooth ER?
proteins
Which of the following consists of a network of intracellular membranes with attached ribosomes?
Rough endoplasmic reticulum.
All of the structures listed below are involved in storage, EXCEPT...
All are involved in cellular storage.
The proteins synthesized in the rough endoplasmic reticulum are then sent to...
the Golgi complex for packaging.
If a cell lacked lysosomes, it would not be able to ...
digest cellular wastes and bacteria
Which substance is responsible for activating the digestive enzymes inside lysosomes?
acid
The control center for cellular operations is the ...
nucleus
The nucleus stores all the information needed to synthesize with of the following molecules?
all of these answers are correct.
The term secretion refers to ...
the process by which a cell releases a substance into the extracellular space for a particular use.
Which cellular organelle is considered the powerhouse of the cell?
mitochondria
Movement oaf material between cells is know as the _______ pathway.
paracellular
Functions of epithelia include all of the following EXCEPT..
storing energy reserves.
Epithelial cells that are adapted from membrane transport of materials, such as ions and nutrients, usually have _____ on their apical surface.
microvilli