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Terms in this set (47)
A set of 2 or more tissues that form a discrete structure and have a common function are called a/an
The plasma (cell) membrane is responsible for which of the following cellular functions?
separation of the internal environment from the external environment
The nucleic acid that is responsible for providing energy to cells so that they can do their work is
adenosine triphosphate (ATP)
The subatomic particle in an atom that carries a positive electrical charge is the
A normal red blood cell that is placed into pure water will
gain water and expand
in this scenario, the pancreas represents what part of a negative feedback loop?
Water would enter a cell (via osmosis) the fastest if that cell contained which of the following solutions? (mM - milliMolar)
The rate of osmosis would be the same in all of the other choices listed here
A triglyceride is an example of a/an
Which of the following lists the structural organization of the body in order of increasing complexity?
atom, cell, tissue, organ, organism
Place the following in correct sequence from simplest to most complex:
All of the following statements about enzymes are true except one. Which statement is false?
enzymes are permanently modified by the chemical reactions that they participate in and cannot be used again
Which of the following conditions is necessary for simple diffusion to take place?
a concentration gradient
Which of the following membrane proteins is responsible for helping catalyze (speed up) chemical reactions?
Breaking apart a chain of six amino acids into two chains with three amino acids each is a good example of a/an
Homeostasis is defined as
a range of normal values that the body attempts to defend and maintain
n anatomical position, the knee is _______to the hip.
Ionic bonds are stronger than covalent bonds. True or False?
All organic molecules contain
What do the kidneys represent in this negative feedback scenario
Proteins are synthesized (made) by combining ________ into one or more chains.
Phospholipids are never found in human cell membranes, only in plant cell membranes. TRUE or FALSE?
An atom that gives up one or more electrons becomes a/an
In the anatomical position, the shoulder is _____ to the elbow.
What role does cholesterol play in the cell membrane?
it gives the cell membrane flexibility to help prevent damage to the cell
The primary role that membrane proteins play in active transport is to
pump molecules across the membrane against the concentration gradient
The family of organic molecules (biomolecules) that has the greatest variety of functions is
The fluid that surrounds the outside of our cells is called
A negative feedback loop could be used to maintain normal body temperature. True or False?
Active transport is possible due to the activity of ___________________ which are a type of __________________.
Goblet cells produce and secrete
In stratified cuboidal epithelium, what is the shape of the basal (deepest) layer of cells?
unknown based on the information provided
The reticular lamina of a basement membrane is produced by _______________________ cells, while the basal lamina of the basement membrane is produced by ___________________ cells.
connective tissue, epithelial tissue
mmature cells found in both loose and dense connective tissue are called
is the protein found in large amounts in the superficial layers of the epidermis.
The extracellular matrix of connective tissue is composed of
protein fibers and ground substance
Ouch, you just stepped on a sticker burr with your bare feet. The sticker would pierce the epidermal layers of the sole of your foot in which order?
basale, spinosum, granulosum, lucidum, corneum
The cells that produce the pigment responsible for skin color are called
serous membranes are a double-layered membrane that lines tubes and body parts that have an opening to the outside of the body. True or False?
The mature cell type responsible for maintaining the general daily health of bone is the
All of the following are normal functions of the skin, EXCEPT (choose the one that is not a function of the skin)
The living, rapidly dividing cells that produce new hair cells and thus make hair grow are called the
Where are you most likely to find vellus hairs on human skin?
on the body of a young child
Glands, such as the thyroid gland, that secrete their products directly into the extracellular fluid and blood rather than through central ducts are classified as
Which of the following protein fiber types is NOT found in connective tissue?
One type of membrane is designed to cover the outside of the entire body. You also know it as skin. What is the proper name for this membrane?
Which of the following layers makes up about 20% of the dermis and is responsible for producing the ridges and crests in skin that produce fingerprints?
the papillary layer
How do nutrients and oxygen reach the cells that form epithelial tissue?
Nutrients/oxygen diffuse to the cells from blood vessels in the connective tissue below
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