AP Biologymediummcq1 pt
In receptor-mediated endocytosis, the cell
A.uses receptor proteins to concentrate specific cargo into vesicles
B.engulfs whole bacteria
C.samples extracellular fluid nonspecifically
D.releases hormones outward
Explanation
Core Concept
Ligands bind receptors that cluster in coated pits, so the cell imports chosen molecules like LDL cholesterol efficiently rather than sampling fluid randomly.
Correct Answer
Auses receptor proteins to concentrate specific cargo into vesicles
More Unit 2: Cell Structure and Function practice questions
- mediumExtracellular matrix in animal tissues mainly
- hardCilia and flagella in eukaryotes share which core structure?
- mediumWhich cytoskeletal element forms the mitotic spindle?
- easyThe cytoskeleton's primary functions include
- easyPeroxisomes primarily
Practice more AP Biology questions with full explanations
Practice Unit 2: Cell Structure and Function Questions →