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Michelle Cossey
Anatomy Weeks 1-6
| Question | Answer |
|---|---|
| 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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