Q: What process does not cause a rock to melt completely, instead causing the minerals to change by heat or pressure? Choices: - sedimentation - oxidation - igneous extrusion - metamorphism A:
metamorphism

Q: Unlike archaea and eukaryotes, bacteria have a cell wall made of what? Choices: - substrates - phospholipids - hydrogen - peptidoglycan A:
peptidoglycan

Q: Q: What two types of hormones regulate mammalian reproduction? Choices: - tropic and subtropic - pheromones and enzymes - endorphins and adrenaline - tropic and sex A:
A: tropic and sex

Question: Q: What structures on the gastrodermal cells keep the contents of the gastrovascular cavity agitated and help distribute nutrients? Choices: - telomeres - sporangia - nucleus - flagella A:
Answer: flagella

*Question*
Q: In qualitative analysis, reagents are added to an unknown chemical mixture in order to induce what? Choices: - motion - sunlight - erosion - precipitation A:
**Answer**
precipitation

*Question*
Q: The brain is said to contain gray matter, while what related structure contains white matter separated into columns? Choices: - brain stem - amygdala - orbital lobe - spinal cord A:
**Answer**
spinal cord