Q: A desmosome is a cell structure that anchors the ends of what fibers together? Choices: - skeletal muscle - controllable muscle - smooth muscle - cardiac muscle A:
cardiac muscle

Q: What is rusting an example of? Choices: - radiation change - Decomposition - contamination change - chemical change A:
chemical change

Q: Q: What was first discovered in songbirds that produce new neurons while learning songs? Choices: - proteins - Brain Cord - homeostasis - neurogenesis A:
A: neurogenesis

Question: Q: What part of the cell is surrounded by a membrane and holds the genetic information for the cell? Choices: - cell wall - upper - lower - nucleus A:
Answer: nucleus

*Question*
Q: The logistics of carrying out cellular metabolism sets limits on what physical property of the cell? Choices: - surface - composition - layer - size A:
**Answer**
size

Q: What triangular feature is formed when a river empties into a large body of still water? Choices: - flow - confluence - region - delta A:
delta