Unit 1 Questions

Satisfactory Essays

Unit 1 Questions. Total: 16 marks 1. How many electrons does Mg2+ have? (1 mark) 10 electrons 2. Given that the half-life of the radioisotope carbon-14 is 5730 years, how useful do you think this isotope would be for dating bones that are over a million years old? (2 marks) 3. Summarize the four major types of biochemical reactions studied in this lesson. For each type give its name, a word summary of what happens during the reaction, and an example of where the reaction might be biologically important. (12 marks) 4. For the following chemical reaction: C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + energy identify a. the substance(s) being oxidized. b. the substance that is reduced. Total: 17 marks 5. For each of the following four macromolecules, …show more content…

Why would muscle cells require more mitochondria than fat cells? (3 marks) 13. Distinguish between diffusion and active transport, in terms of a. energy involvement. (2 marks) b.

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