Search found 2 matches
Search found 2 matches • Page 1 of 1
- Wed Feb 15, 2012 6:02 pm
- Forum: General Discussion
- Topic: Please Help with Homework (fairly easy questions)
- Replies: 6
- Views: 67845
Many can provide answers so I can compare 1. Which of the following structures in not found in all types of cells? A) cytoplasm B) ribosomes C) a nucleus D) a plasma membrane 2. The boundary structure that physically defines a cell is the A) plasma membrane. B) protein channel. C) hydrophilic layer...