Q: What type of energy of a system is the sum of the kinetic and potential energies of its atoms and molecules? Choices: - external energy u - primary energy u - deep energy u - internal energy u A:
internal energy u

Q: The contents of which organ are mixed every 20 seconds? Choices: - the metabolism - pancreas - kidney - the stomach A:
the stomach

Q: Q: The properties of cyclic hydrocarbons are generally quite similar to those of the corresponding open-chain compounds. so cycloalkanes (with the exception of cyclopropane, which has a highly strained ring) act very much like noncyclic alkanes. cyclic structures containing five or six carbon atoms, such as cyclopentane and cyclohexane, are particularly what? Choices: - large - reactive - small - stable A:
A: stable

Question: Q: What can be described as a tiny male gametophyte enclosed in a tough capsule? Choices: - seed - cell - dna - grain of pollen A:
Answer: grain of pollen

*Question*
Q: Glucose and fructose are considered this type of sugar? Choices: - alcohols - complex carbohydrates - polysaccharides - monosaccharides, or simple A:
**Answer**
monosaccharides, or simple

Q: What are the two loops of blood flow in the cardiovascular system? Choices: - anabolic and metabolic - aerobic and anaerobic - systolic and diastolic - pulmonary and systemic A:
pulmonary and systemic