52 terms

Cells Test-A&P


Terms in this set (...)

Adipose tissue is a form of...?
Connective Tissue
Cardiac Muscle is found in the walls of...?
The heart
Epithelial membranes are typically composed of...?
Epithelium and underlying connective tissues
Collagen is a major component of...?
Bone, ligaments/tendons, connective tissue
Cartilage tissues are likely to be slow in healing following an injury because...?
They do not have a direct blood supply
Epithelial tissue functions in...?
Secretion, absorption and protection
Histology is the study of...?
A general characteristic of connective tissue is that it...?
Consists of cells with much extracellular material
A hypertonic solution
has a greater concentration (number) of solute particles than do the cells in the solution
A hypotonic solution
has a lower concentration (number) of solute particles than do the cells in the solution
A selectively permeable membrane
allows some substances to pass through and excludes others
A protein that spans the cell membrane is termed a...?
integral protein
"Cutaneous membrane" refers to
Endoplasmic reticulum
a network of interconnected membranes forming sacs and canals that packages protein molecules for secretion
Cells lose water when placed in a __________ solution.
Hypertonic solution
A young man who ran 6 miles a day throughout high school is injured during his first season running cross country in college, and must rest for three months, then gradually begin exercising again. The skeletal muscle size in his lower limbs decreases during this prolonged period of inactivity. The organelles that break down his muscle protein are
An isotonic solution
has the same osmotic pressure as the cells in the solution
A _______ membrane lines tubes and cavities that open to the outside of the body.
Bone tissue contains abundant...?
Endoplasmic reticulum is best described as a...?
network of interconnected membranes
a cell membrane engulfs solid particles
The organelle where energy is captured and stored in the chemical bonds of ATP is a...?
Neurons can send messages to
other neurons, glands, and muscles
Tendons and ligaments are composed primarily of what type of tissue?
dense regular connective tissue
In a cell, lipids are synthesized in the...?
Smooth endoplasmic Reticulum
The muscle tissue that can be consciously controlled is...?
Skeleton muscle tissue
Of the four major types of membranes, the one consisting of dense connective tissue overlying loose connective tissue is...?
Synovial Membrane
The three major parts of a cell are...?
the nucleus, cytoplasm, and cell membrane
Molecules bind to receptor sites and are enclosed in vesicles in the process of...?
receptor-mediated endocytosis
There are __ types of muscle cells.
The major components of the cell membrane are...?
lipids and proteins
Smooth muscle is found in the wall of the...?
Stomach and intenstine
The cell membrane...
Controls the entry and exit of various substances, maintains the integrity of the cell, provides a barrier to water-soluble substances
Osmosis is the movement of...?
water molecules from a high concentration to a low concentration through a selectively permeable membrane
The function of the nucleus is to...?
direct the activities of the cell
Involuntary muscle tissues are...?
smooth muscle tissue and cardiac muscle tissue
If the concentration of glucose in the water outside of a cell is higher than the concentration inside...
water will leave the cell by osmosis
Muscle cells with more than one nucleus are...?
skeletal muscle cells only
The tissue through which gases are exchanged between the blood and the air in the lungs is...?
simple squamous epithelium
The type of muscle tissue in blood vessels is...?
smooth muscle tissue
Which transport processes does not require expenditure of cellular energy?
Facilitated diffusion
_______ produce connective tissue fibers.
What does nervous tissue not contain?
Which organelle contains the nucleolus?
What characteristics is used to name tissue types?
Organization of cells (layers) and shape
Which type of tissue lines the follicles of the thyroid glands?
Simple cuboidal epithelium
What is the description of a lysosome?
A tiny, membranous sac that contains enzymes that degrade worn cell parts and debris
Vesicles are formed from...?
Cell membrane
What characteristic do simple diffusion and facilitated diffusion share?
Both move a substance from a region of higher concentration to one of lower concentration without cellular energy
Describe the structural organization of the cell membrane
A bilayer of phospholipid molecules in which protein molecules are embedded and can move
What are the 4 basic types of body tissues?
Muscle, connective, nervous, epithelial
What is a cellular fragment?
Blood platelets