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Michelle Cossey

Anatomy Weeks 1-6

QuestionAnswer
The smallest living units of structure and function in the body are: cells.
An organ is one organizational level higher than a(n): tissue.
The atomic number of carbon is 6. How many unpaired electrons are in its outer shell? Four
An isotope of an element contains different numbers of ____ from other atoms of the same element. neutrons
Approximately what percentage of the body weight of an adult female is water? 50%
Substances that accept hydrogen ions are called: bases
As the concentration of hydrogen ions (H+) increases, the solution becomes more acidic
Which of the following bonds are the weakest? Hydrogen
An ionic bond is formed by a positive and a negative ion attracting each other.
A magnesium atom has an atomic number of 12, an atomic mass of 25, and a +2 charge. This atom would contain _____ protons, _____ neutrons, and _____ electrons 12; 13; 10
Carbon has an atomic number of 6. The number of electrons found in the first shell is: two
Which of the following does not describe a structure or function of the proteasome? Breaking down abnormal and misfolded proteins released from the ER Looks like a hollow cylindrical drum made of protein subunits Requires the small protein called ubiquitin to pull proteins in
Rafts are stiff groupings of membrane molecules. What is their function? Help organize the various components of the plasma membrane Play an important role in the pinching of a parent cell into two daughter cells Sometimes allow the cell to form depressions that form a means of carrying substances into the cell
In the cell membrane, the hydrophilic part of the phospholipid molecule: faces the exterior of the cell. faces the interior of the cell.
The membranous structure containing substances that protect the cell from harm are: lysosomes. peroxisomes.
Besides water, extracellular matrix contains proteins and proteoglycans.
The fluid environment that fills the spaces between the cells of the body is called extracellular matrix.
Which of the following bones form the framework of the hand? metacarpals
The vertebral bones that support the small (lower section) of the back are the lumbar vertebrae
Which of the following is not a type of bone? flat, irregular, short , long, regular regular
Created by: mcossey2001
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