tRNA is a molecule that carries an amino acid to the ribosome where it is added to the growing protein chain based on the mRNA code
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15
What is an organ?
A group of tissues speacialized for a particular function
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What do ribosomes do?
They synthesize proteins. (They are the kitchen)
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What happens to DNA during mataphase?
The sister chromatids line up on the equator of the cell.
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What kind of tissue is cartilage?
connective tissue
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What kind of tissue is the heart muscle?
muscle tissue
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15
Name 2 stresses and what the body does about it.
temperature:sweating or shivering, blood sugar(candybar): high-insulin low-liver puts out glucose, BP: high-slow heart rate, low-increase heart rate
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What is homeostasis?
A state of dynamic equilibrium in the body with respect to its internal environment and functions
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25
Why does the plasma membrane reorient itself?
The phospholipids. The lipid tails are attracted to each other and the phosphate ends are attracted to the polar molecules of water,both inside&outside the cell
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20
Describe two ways to study the body.
Regional, surface, developmental, comparative, organ systems
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20
7 levels of organization, and which would be considered gross anatomy?
molecules, organelles, cells, tissues(microscopic) - (gross anatomy): organs, organ systems, the whole organism
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25
Describe the 4 phases of mitosis.
Prophase: Metaphase : Anaphase : Telephase: Interphase:normal cell function
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15
What does hydrophilic mean and what does it refer to?
Water-loving, It refers to the phosphate end of a phospholipid
