Biology
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44 questions
| 🇬🇧 | 🇬🇧 |
| You are out cycling and start to climb a hill. As you crest the hill, just before cycling down, what kind of energy have you stored? | Potential energy |
| Which of the following statement is contrary to the first law of thermodynamics? | Energy can be transferred from one form to another |
| In a reaction in which the rate of the reverse is equal to the rate of the forward reaction, a state of___ is attained. | Product reversibility |
| During the citric acid cycle, each acetyl group entering the cycle yields | 3 ATP, 2 NADH, and 1 FADH2 |
| Where does the citric acid take place in a eukaryotic cell? | Mitochondrial maxtrix |
| In the electron transport chain. exergonic redox processes drive the endergonic reaction in which | ATP is produced by phosphorylation of ADP |
| The complete aerobic metabolism of one molecule of glucose yields a maximum of how many ATPs? | 36 to 38 |
| What is the reaction in which two hydrogen atoms are removed from the substrate and transferred | Dehydrogenation |
| How are chlorophyll molecules attached to thylakoid membranes? | By a hydroxide group |
| What are the two phases of photosynthesis? | Chemiosmosis and photochemical reactions |
| What is the process by which light energy is converted into the shored chemical energy of organic molecule? | Photosynthesis |
| A bacterial chromosome consists of a | Circular DNA molecule many times larger than the cell |
| Nucleosomes are best described as | Eukaryotic DNA associated with histone proteins |
| The function of nucleosomes is to | Prevent DNA associated with histone proteins |
| In unwound chromatin, nucleosomes are organized into laeg coiled loops held together by | Scaffolding proteins |
| Which of the following are surrounded by fibrils that make up the pericentriolar material? | Microtubules |
| The ___ is responsible for the separation of the chromosomes during the __ of mitosis | Mitotic spindle: anaphase |
| What evolutionary advantage is provided by sexual reproduction | Production of genetically identical offspring |
| What would happen if meiosis did not occur in sexually reproducing or | The chromosome number would double in each generation |