Q: Hiv has proteins called what, internal to the envelope, which help stabilize virion shape? Choices: - reduction proteins - step proteins - sphere proteins - matrix proteins A:
matrix proteins

Q: Because of it's repeating pattern, what is mendeleev's table of the elements called? Choices: - serial chart - cycles table - phases table - periodic table A:
periodic table

Q: Q: A hot-water heating system uses what type of energy to heat water? Choices: - negative energy - potential energy - atmospheric energy - thermal energy A:
A: thermal energy

Question: Q: What organ system transports blood through the body and to and from the lungs? Choices: - metabolism - digestive - nervous - circulatory A:
Answer: circulatory

*Question*
Q: A homogeneous mixture with tiny particles in it is known as what? Choices: - element - plasmid - structure - solution A:
**Answer**
solution

*Question*
Q: Which system is divided into the somatic and autonomic nervous systems? Choices: - auxiliary nervous system - central nervous system - local nervous system - peripheral nervous system A:
**Answer**
peripheral nervous system