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BIOS 100 Midterm (Coastline)
1. Which of the following is NOT a property of life?:
Answer Populations of organisms rarely change over time.
2. The four most common elements found in living organisms are .-:
Answer carbon, oxygen, nitrogen, and hydrogen.
- Isotopes of an element have the same number of and
different numbers of .:
Answer protons... neutrons
4. What name is given to bonds that involve the sharing of electrons?:
Answer Covalent
- Which of the following is a feature of prokaryotic cells but NOT eukaryotic
cells?:
Answer Pili
6. are the major lipids of plasma membranes.:
Answer Phospholipids
7. The nuclear envelope is composed of .:
Answer a double membrane
8. Usually, enzymes are .:
Answer Proteins
- A single carbon atom can form a maximum of covalent
bond(s).:
Answer 4
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