Binding of what protein initiates translation-termination events that result in polypeptide release and dissociation of ribosomal subunits?
What will be an ideal response?
release factor (RF)
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What are two main reasons why DNA replication is so error-free?
What will be an ideal response?
Cell membranes consist mainly of a _____
a. carbohydrate bilayer and proteins c. lipid bilayer and proteins b. protein bilayer and phospholipids
A hormone that prevents release of a different hormone by its target endocrine cells is called a(n) _____ hormone
a. releasing b. inhibiting c. amino acid-derived d. steroid e. peptide
A cell biologist has developed a new drug that blocks vesicle transport at the cis face of the Golgi apparatus. What will this drug prevent from happening inside a cell?
A. The movement of vesicles from mitochondria to the Golgi apparatus. B. The synthesis of proteins or lipids on the endoplasmic reticulum. C. The movement of materials from the Golgi apparatus to the plasma membrane. D. The movement of the lipids and proteins from the endoplasmic reticulum to the Golgi apparatus.