Type 1 diabetes mellitus is an absolute insulin deficiency resulting from insulin hyposecretion and requires insulin replacement therapy. Which of the following conditions would NOT be associated with this particular disorder?
A) loss of beta-islet cells
B) destruction of beta-islet cells
C) absence of beta-islet cells
D) increased insulin resistance
D) increased insulin resistance
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Chlamydia occurs in two forms, a reticulate body and an elementary body
Indicate whether this statement is true or false.
Which of the following statements comparing hemidesmosomes with desmosomes is TRUE?
A. Hemidesmosomes are anchorage junctions but desmosomes are not. B. Hemidesmosomes interact with actin filaments while desmosomes interact with intermediate filaments. C. Hemidesmosomes anchor cells to the ECM while desmosomes anchor cells to other cells. D. Hemidesmosomes are found in plant cells while desmosomes are found in animal cells. E. Both hemidesmosomes and desmosomes associate with integrin, but not cadherin molecules.
Which of the following statements concerning intracellular receptors is FALSE?
a. Some bind hydrophobic signaling molecules. b. Some function as transcription factors. c. They diffuse across the plasma membrane of target cells. d. The ligand-receptor complex can activate genes. e. The ligand-receptor complex can inactivate genes.
Describe the chemical properties of phospholipids that account for their behavior in water
What will be an ideal response?