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Biology Exam Two
Meade
| Question | Answer |
|---|---|
| This organelle contains most of the DNA in a eukaryotic cell | Nucleus |
| Which of the following organelles does not have a membrane surrounding it? | Ribosomes |
| Which of these cytockeletal components may be used to move a cell? | Flagella |
| Which membrane transport mechanism requires energy (ATP) to work? | Active transport |
| The cell theory that states that all cells come from pre-existing | Cells |
| Molecules that are moving passively from regions from high to low are | Diffusing |
| Most cellular membranes are complete rigid and allow no movement of molecules within them (T/F) | False |
| These organisms are made of prokaryotic cells. | Bacteria |
| This plan cell structure is a junction, or connection, with another plant cell. | plasmodesmata |
| The flagella of a sperm cell is made of this type of cytoskeletal component. | microtubule |
| Which of the following structures is involved in protein synthesis? | A and B (nucleus and ribsomes) |
| The major starting molecule required for the light reactions of photosynthesis is: | water |
| The light reactions of photosynthesis occur in the | chloroplast thylakoid |
| The light reactions of photo synthesis result in the production of | A and C (oxygen and ATP) |
| The dark reactions (calvin cycle) of photosynthesis occur in the : | chloroplast stroma |
| How many molecules of carbon dioxide are required to produce one molecule of glucose during the dark reactions of photosynthesis? | 6 |
| Carbon dioxide is used during this stage of photosynthesis | Calvin cycle (dark reactions) |
| This photosynthetic pathway is used by plants to . . . | CAM plants |
| The dark reactions of photosynthesis will NOT produce glucose if oxygen reacts in the initial steps instead of carbon dioxide (T/F) | TRUE |
| The carbon source for organisms that derive their energy from photosynthesis is | carbon dioxide |
| Photosystems are mainly | light energy trapping molecules |
| This is the ultimate energy carrying molecules used by all living organisms | ATP |
| Which of these is not a common photosynthetic pigment molecule | ALL are pigments |
| Organisms that can make their own molecules for energy and/or cellular activities are called: | autotrophs |
| What accumulates inside the choloroplast . . . | hydrogen ions |
| Which of these is an important co-enzyme used in the dark reactions of photosynthesis | NADPH |
| Which has the highest energy | light of low wavelength |
| Which of these groups of organisms have members that DO NOT use photosynthesis to make energy? | animals |
| Photosynthesis actually produces little energy, however the process produces sugars that can be used to make lots of energy (T/F) | TRUE |
| This pigment molecules is responsible for making most plants look green | chlorophyll |
| Plants can undergo cellular respiration similar to that of animals (T/F) | FALSE |
| Cellular respiration results in the production of | B and C (carbon d & water) |
| Glycolyosis results in the | cytoplasms |
| Glycolysis results in the production of | pyruvate |
| Electron molecules of cellular respiration are located in the | mitochondria |
| Production of ATP following electron transport in the mitochondria is termed | chemiosmotic production |
| Glycolysis cycle can occur in an anaerobic or aerobic environment (T/F) | TRUE |
| The total ATP's produced | 36 |
| IN HUMANS, pyruvate is converted into | lactate |
| Which of the following processes, independently, produces the most ATP | electron transport and chemiosmosis |
| Which of the following organic molecules can be used for cellular respiration? | all of the above |
| For each molecules of glucose, how many molecules of pyruvate are produced | TWO |
| The final electron acceptor during cellular respiration is | oxygen |
| Kreb's cycles occurs in this organelle of a eukaryotic cell | mitochondria |
| This is the ultimate energy molecule produced during cellular respiration | ATP |
| Some organisms can use molecules besides oxygen, such as sulfur (T/F) | TRUE |
| The mitochondria has this many membranes | TWO |
| Organisms must utilize . . .(T/F) | TRUE |
| In certain organisms and under certain circumstances, __________ can be used as an energy alternative to glucose | A and B (fatty & amino) |
| Organisms that can make their own molecules for energy | autotrophs |
Created by:
mmuhammad
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