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StudyStack 1
Weeks 1-6
Question | Answer |
---|---|
What is homeostasis? | The relatively constant state maintained by the body |
Which mechanisms maintains or restores homeostasis? | Homeostatic control mechanisms |
What do positive-feedback control systems do to a change? | Accelerate a change |
An example of a positive-feedback control system is? | The contraftion of the uterus during childbirth. |
What are amino acids frequently joined by? | peptide bonds |
What is the most important factor in determining the physcial and chemical properties of fatty acids? | Degree of saturation |
Which lipid acts as a "tissue hormone"? | Protasglandin |
The lipids that form hormones such as cortisone, estrogen and testosterone are: | Steroids |
What are the four sequence and pairing of DNA? | Adenine to thymine and guanine to cytosine |
The building blocks of fats are: | Fatty acids and glycerol |
What does facilitated diffusion mean? | Diffusion of particles through a membrane by means of a carries molecule |
Transciption can best be described as | synthesis of mRNA |