DrTate Is an Excellent Professor

question 31

Multiple Choice

Dr.Tate is an excellent professor.She is curious,humble,and skeptical.These are all characteristics of

• A) having a scientific attitude.
• B) using the scientific method.
• C) forming a theory.
• D) testing a hypothesis.

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Definitions:

Receptor-Mediated Endocytosis

Selective uptake of molecules into a cell by vacuole formation after they bind to specific receptor proteins in the plasma membrane.

Receptor Proteins

Proteins that respond to specific chemical signals by inducing cellular response.

Protein Pumps

Integral membrane proteins that actively transport ions or molecules across cellular membranes, often against their concentration gradient, using energy.

Macrophages

Large phagocytic cells that can ingest and digest pathogens, cellular debris, and foreign substances, important in the immune response.