Q: What is the term for the stalk connecting a leaf to a stem? Choices: - cuticle - blades - base - petiole A:
petiole

Q: Made of hot, solid rock, the mantle is beneath what layer of the earth? Choices: - liquid - volcanic - core - crust A:
crust

Q: Q: Each muscle fiber contains hundreds of organelles called what? Choices: - fast glycolytic fibres - slow twitch fibres - pores - myofibrils A:
A: myofibrils

Question: Q: What can be used to accelerate the rate at which chemical reactions occur? Choices: - hormones - protein - components - enzymes A:
Answer: enzymes

*Question*
Q: The sequence of bases in a gene translates to the sequence of what protein components? Choices: - protein acids - rna acids - molecular acids - amino acids A:
**Answer**
amino acids

Q: Q: What process provides over 99% of the energy supply for life on earth? Choices: - gases - nutrients - Carbon - photosynthesis A:
A: photosynthesis