With respect to polarity, membrane lipids can be described as ______.
a. nonpolar
b. amphiphiles
c. gangliosides
d. triaglycerols
Answer: amphiphiles
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Animal Biology
- The Ig fold can be described as a
- Which statement about antigen-binding sites in antibodies is false?
- Fab fragments can be generated by
- How many antigen-binding sites are present on an IgM molecule?
- How many antigen-binding sites are present on an IgG molecule?
- Which class of antibodies has been implicated in allergic reactions?
- IgG is one of five classes of antibodies that can be produced by our immune system. IgGs have a molecular mass of approximately 150 kDa, what is their subunit composition?
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- Treadmilling refers to
- Humoral immunity refers to that part of the immune response that is mediated by
- Which of the following statements about actin is not true?
- Which statement about actin is correct?
- Muscle contraction is triggered
- During muscle contraction myosin heads
- The energy needed to drive muscle contraction comes from ATP hydrolysis that is carried out by
- Which statement about actin is not true?
- Which statement about myosin is not true?
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- What are the main bonds or forces that stabilize the dimer formed by two myosin heavy chains?
- Which of the statements about muscle contraction is not true?
- Which of the statements about muscle contraction is correct?
- Muscle contraction is directly caused by
- Muscle contraction is directly caused by