Q: Both oxygen and glucose are transported within the body via what? Choices: - bone - heart - marrow - blood A:
blood

Q: Some materials have negative heats of solution; the dissolution of one of these solutes in water is called? Choices: - endothermic process - acetylene process - ionized process - exothermic process A:
exothermic process

Q: Q: What muscle is found only in the walls of the heart? Choices: - respiratory muscle - abdominal muscle - skeletal muscle - cardiac muscle A:
A: cardiac muscle

Question: Q: The chloroplasts contained within the green algal endosymbionts still are capable of what process associated with plants? Choices: - germination - respiration - reproduction - photosynthesis A:
Answer: photosynthesis

*Question*
Q: Temperature and what other environmental factor are important in the activity of an enzyme? Choices: - size - shape - color - ph level A:
**Answer**
ph level

Q: Q: Plants and algae maintain the atmosphere. during photosynthesis, they add oxygen and remove what? Choices: - water - nitrogen - methane - carbon dioxide A:
A: carbon dioxide