What building should represent the nucleus, and why?
a) factory: manufacturing
b) city hall: control center
c) power plant: provides energy
d) highways and streets: transportation

Which statement explains how gravity and intertia work together

Amines amides and amino acids are categories of

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.