Problem:OPTIONS:
- lipids
- protons
- hormones
- proteins

Q: What is the name for biochemical compounds that consist of one or more chains of small molecules called amino acids? A:
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A: proteins

Problem:OPTIONS:
- resporatory
- bacterial
- psychological
- physiological

Q: What type of response do signal transductions within target cells bring about? A:
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A: physiological

Problem:OPTIONS:
- microbes
- parasites
- radiation
- mutations

Q: What are the key to species evolving? A:
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A: mutations

Problem:OPTIONS:
- belt microscope
- Fixing microscope
- part microscope
- compound microscope

Q: Find the overall magnification of what instrument by finding the magnification of the objective, then the magnification of the eyepiece? A:
****
A:
compound microscope