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Questions and Answers
What is one of the functions of cell-surface membranes?
What is one of the functions of cell-surface membranes?
- Protein synthesis
- Enzymatic activity (correct)
- DNA replication
- RNA degradation
What is the name of the protein that HIV binds to in order to infect a cell?
What is the name of the protein that HIV binds to in order to infect a cell?
- CD8
- CXCR4
- CD4 (correct)
- CCR5
What is the name of the molecule that plays a role in signal transduction?
What is the name of the molecule that plays a role in signal transduction?
- Enzyme
- Hormone
- Signaling molecule (correct)
- Glycoprotein
What is the term for the process by which cells join together?
What is the term for the process by which cells join together?
What is the name of the structure that cell-surface membranes can attach to?
What is the name of the structure that cell-surface membranes can attach to?
What is the purpose of developing drugs that mask the CCR5 protein?
What is the purpose of developing drugs that mask the CCR5 protein?
What happens to a cell in a hypotonic solution?
What happens to a cell in a hypotonic solution?
What is the purpose of osmoregulation in organisms?
What is the purpose of osmoregulation in organisms?
What is the function of a contractile vacuole in Paramecium?
What is the function of a contractile vacuole in Paramecium?
What happens to a cell without a cell wall in a hypertonic solution?
What happens to a cell without a cell wall in a hypertonic solution?
What adaptation do bacteria and archaea in hypersaline environments have?
What adaptation do bacteria and archaea in hypersaline environments have?
What is the term for a solution with a solute concentration equal to that inside the cell?
What is the term for a solution with a solute concentration equal to that inside the cell?
What is the role of membrane carbohydrates in cell-cell recognition?
What is the role of membrane carbohydrates in cell-cell recognition?
What determines the asymmetrical distribution of proteins, lipids, and associated carbohydrates in the plasma membrane?
What determines the asymmetrical distribution of proteins, lipids, and associated carbohydrates in the plasma membrane?
What is the result of a cell lacking CCR5 on its surface?
What is the result of a cell lacking CCR5 on its surface?
What type of bond holds carbohydrates to lipids or proteins?
What type of bond holds carbohydrates to lipids or proteins?
What is the function of the Golgi apparatus in membrane synthesis?
What is the function of the Golgi apparatus in membrane synthesis?
What is the name of the protein that HIV uses to infect a cell?
What is the name of the protein that HIV uses to infect a cell?
What is the process by which a cell takes in macromolecules?
What is the process by which a cell takes in macromolecules?
What is the term for 'cellular eating'?
What is the term for 'cellular eating'?
What is the term for 'cellular drinking'?
What is the term for 'cellular drinking'?
What is the process in which a cell engulfs a particle in a vacuole?
What is the process in which a cell engulfs a particle in a vacuole?
What is the purpose of the vacuole in phagocytosis?
What is the purpose of the vacuole in phagocytosis?
What is the term for the process that is a reversal of exocytosis?
What is the term for the process that is a reversal of exocytosis?
What is the primary mechanism by which cotransport occurs?
What is the primary mechanism by which cotransport occurs?
What is the role of the proton pump in the cotransport process?
What is the role of the proton pump in the cotransport process?
What is the main difference between bulk transport and transport through the lipid bilayer or transport proteins?
What is the main difference between bulk transport and transport through the lipid bilayer or transport proteins?
What is the process by which transport vesicles release their contents outside the cell?
What is the process by which transport vesicles release their contents outside the cell?
What is the primary function of secretory cells that use exocytosis?
What is the primary function of secretory cells that use exocytosis?
What is required for bulk transport to occur?
What is required for bulk transport to occur?
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