*Question*
Q: What are the lipids containing phosphorus? Choices: - eukaryotes - hemoglobin - alkaloids - phospholipids A:
**Answer**
phospholipids

*Question*
Q: Which type of arthritis causes the immune system to attack joints? Choices: - Osteoarthritis - Gout - Spondylarthropathies - rheumatoid A:
**Answer**
rheumatoid

*Question*
Q: Most members of the animal kingdom have differentiated tissues of four main classesnervous, muscular, connective, and this? Choices: - neural - crystalline - digestive - epithelial A:
**Answer**
epithelial

*Question*
Q: What creates charged regions in a water molecule? Choices: - nonpolar bonds - ionic bonds - noncovalent bonds - polar covalent bonds A:
**Answer**
polar covalent bonds