Bio 101 Exam 1 Study Guide Questions Completely Answered!!

1. Eukaryotic cells need oxygen to? - ANSWERServe as an electron acceptor in the electron transport chain 2. What about carbon 12-13-14 that makes them all carbon? - ANSWER...a. They all have the number of protons that is characteristic of carbon 3. Cystic fibrosis is the result of? - ANSWER...a. An abnormal chloride channel transport protein 4. What is the difference between Prokaryotic and eukaryotic cells? - ANSWERa. Eukaryotes have nucleus but prokaryotes don't ... 5. The mass of an atom is mostly found in what? - ANSWER...a. Protons and neutrons 6. What is the advantage for plants to use C4 and CAM photosynthesis? - ANSWER...a. They can conserve water and reduce photorespiration under hot, dry conditions 7. Why is astrology not considered a true scientific discipline? - ANSWER...a. Astrology cannot be tested and supported by controlled experiments 8. Calvin cycle is where? - ANSWER...a. Stroma 9. What is the difference between ionic and covalent bonds? - ANSWER...a. Ionic bond - one atom accepts electrons from another, covalent -pair of atoms share electrons 10. Enzyme that creates ATP during electron transport - ANSWER...a. ATP synthase 11. During cellular respiration what collects electrons from food we eat? - ANSWER...a. NAD+ 12. What do polysaccharides like cellulose, nucleic acids like DNA, proteins, and keratin have in common? - ANSWER...a. All built of chemically linked monomers 13. The atomic # 10 of neon is? - ANSWER...a. Not chemically reactive 14. End products of Krebs cycle include all except? - ANSWER...a. Pyruvic acid 15. What are the 3 components of a nucleotide? - ANSWER...a. sugar, phosphate, nitrogenous base