Q: How long ago did the ancestors of mammals evolve? Choices: - 10 million - 50,900 million years - 100 million - 300 million years A:
300 million years

Q: Gasoline is derived from which other liquid? Choices: - liquid propane - water - carbon - oil A:
oil

Q: Q: What helps deposit the material in caves as stalactites, stalagmites, and columns Choices: - gas - wastewater - precipitation - groundwater A:
A: groundwater

Question: Q: What is a region of repetitive noncoding nucleotide sequences at each end of a chromosome? Choices: - diploid - cellular - cytoskeleton - telomere A:
Answer: telomere

*Question*
Q: What part of a cell do proteins travel to to be modified for the specific job they will do? Choices: - plasma membrane - lysosome - nucleus - golgi apparatus A:
**Answer**
golgi apparatus

Q: What is continuously changing within a circuit in an analog signal? Choices: - energy - frequency - amplitude - voltage A:
voltage