AP Biologymediummcq1 pt
Extracellular matrix in animal tissues mainly
A.provides structural support and signaling via integrins
B.synthesizes ATP
C.replicates DNA
D.digests worn-out cells
Explanation
Core Concept
Collagen and proteoglycans scaffold tissues, and integrin proteins relay ECM signals into cells — influencing shape, migration, and gene expression.
Correct Answer
Aprovides structural support and signaling via integrins
More Unit 2: Cell Structure and Function practice questions
- hardCilia and flagella in eukaryotes share which core structure?
- mediumWhich cytoskeletal element forms the mitotic spindle?
- easyThe cytoskeleton's primary functions include
- easyPeroxisomes primarily
- easyWhich organelle is typically especially numerous in photosynthetic leaf mesophyll cells because it captures light energy and fixes carbon?
Practice more AP Biology questions with full explanations
Practice Unit 2: Cell Structure and Function Questions →