weak bonds that induce the cohesion between water molecules are called
protein assembly occurs within the
form the rough ER proteins are transported to the
Golgi Apparatus for further processing and packaging
transitional stratified cells are found in the
air sacs in the lung are composed of
simple squamous cell epithelium
osteocytes are found within the small "lake" like structures called ______ and are part of the _____ system of histological units making up boney matrix
lacunae , Havarsian
cartilaginous joint in the pelvis uniting the 2 pubic bones of the hip is made up of _____ and is referred to as a ___ joint.
fibrocartilage , symphysis
the fibula is __ to the tibia
lateral to the tibia
the heart is located in which body cavity?
the simplest chemical substance is an
within a cell, lipid and steroid production primarily occurs in this structure
during mitosis, what is the stage where chromosomes first appear in the cell
a gland where product release is brought about by part of the cell pinching off (ex. in mammalary glands)
adipose tissue is a form of which tissue group
when placed in a hypertonic solution, a red blood cell will
this macromolecule is composed of multiple subunits of amino acids
which bone cell is primarily activated when blood calcium levels are low?
the relationship between form an f unction in the body; the study of how the parts of a system effect each other
connective, epithelium, muscular, nervous, osseous; tissue is made up of fibers, cels and fluids to allow for smooth processes to occur
the amount of negative charge that a molecule has; if it is very electronegative it will have many electrons around it
when there are more active osteoclasts than osteoblasts and osteocytes. Bone degrades faster than it is built.
the synthesis, or build up of a molecule; opposite of catabolism part of metabolism
cells found in connective tissue, along with mast cells and macrophages; its found in alveolar (loose) connective tissue
the middle, or shaft, of a long bone, where primary ossification occurs
joint between your teeth and mandible
when you spread your fingers, or your arms/legs away from your body; opposite of adduction
concentric rings that are part of compact bone
why will you never be able to find a cell which is as big as a loaf of bread?
they can maximize their ratio of surface area to volume. as a cell grows, its surface area increase less than its volume does. cells must be able to change form depending on their function in an organism. They need a decent surface area in oder to better interact with other cells and molecules. they do this via cilia and microvilli. cells also want to be small in volume in order to more strictly regulate what can pass through it, such as chemicals, proteins and food. another reason cells need to be small is to prevent the unnecessary used of energy. they would waste energy on maintaining their size if they were as big as a loaf of bread.
describe 3 properties of water that make it essential for life as we know it
universal solvent - breaks down many molecules and this is important for biological processes
high heat capacity - water takes a long time to heat up, but once its heated it maintains that temp. for a long time, and it takes a while for it to cool. this is good for homeostasis.
cohesion - water is a polar covalent molecule that is able to hydrogen bond with molecules. it allows for cohesion in areas such as the lungs, which prevents the alveoli from collapsing upon exhalation.
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