Receptor-mediated endocytosis is used to remove low-density lipoproteins (LDLs) from the blood. What effect would defective LDL receptors have on a patient’s cholesterol levels and overall risk for heart disease?
What will be an ideal response?
Ans: Patients would have very high LDL levels and a high risk of heart disease.
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Which of the following statements concerning receptor potentials is correct? Receptor potentials
a. are usually depolarizations of receptors in response to adequate stimuli. b. are graded potentials. c. occur in neuronal cell bodies upon summation of pre synaptic input. d. both (a) and (b) above. e. all of these answers.
Medial and lateral excursion are special joint movements that involve the mandible.
Answer the following statement true (T) or false (F)
Articular cartilage is composed of hyaline cartilage that lacks a perichondrium.
Answer the following statement true (T) or false (F)
Protein is a macronutrient.
Answer the following statement true (T) or false (F)