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Crop Phys. Exam 1 - Statistics
General Stats
-
This quiz has been taken 9 times
4 since last reset
- The average score is 49 of 73
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| Wheat, Soybean | C3 crops | 100%
|
| Corn, Milo | C4 crops | 100%
|
| Reduces reaction between Rubisco and O2, limiting photorespiration | C4 plants | 100%
|
| Carboxylation, reduction, regeneration | Calvin-Benson-Bassham cycle | 100%
|
| Agave, Orchids, Pineapple | CAM crops | 100%
|
| Thick cuticle, low surface to volume ratios, large vacuoles, reduced size & frequency of stomatal openings | CAM plants | 100%
|
| 6-carbon input molecule split into two 3-carbon molecules that are stable | Carboxylation phase | 100%
|
| Located in chloroplast membranes and chromoplasts, hydrophobic | Carotenoids | 100%
|
| porphyrin head+phytol tail, located in chloroplast membranes, hydrophoic | Chlorophyll | 100%
|
| CAM | Crassulacean Acid Metabolism | 100%
|
| Maximize light interception | Diaheliotropic | 100%
|
| Lost as heat, lost as energy (fluorescence), passes to different chlorophyll (fluorescence resonance energy transfer), photochemistry | Energy fate in plant | 100%
|
| Function of leaf inclination angle, leaf grouping, solar angle | G-funtion | 100%
|
| GA3P | Glyceraldehyde-3-Phosphate | 100%
|
| Initial electron donor in photosynthetic light reactions | H2O | 100%
|
| Specialized structure of C4 plants, Mesophyll rings around bundle sheath cells, helps concentrate CO2 to limit | Kranz anatomy | 100%
|
| Ratio of total upper leaf surface area to ground area | Leaf Area Index | 100%
|
| Spectral light composition, spectral energy distribution | Light quality | 100%
|
| Amount of incident energy per unit time per unit area | Light quantity | 100%
|
| and water interface reflect and refract light | Light scattering | 100%
|
| Detergent resistant aggregates of lipids and proteins; Function: facilitate interactions of specific membrane proteins involved in cell signaling | Lipid rafts | 100%
|
| Light is perpendicular to leaf lamina | Maximum light absorption | 100%
|
| Minimize light interception | Paraheliotropic | 100%
|
| Enzyme that allows for C4 to be affective | PEPcase | 100%
|
| PEP CK | Phosphenol Pyruvate Carboxykinase | 100%
|
| PEPcase | Phosphenol Pyruvate Carboxylase | 100%
|
| Phosphorylates fructose 6-phosphate | Phosphofructose kinase | 100%
|
| Turning light energy into chemical energy for photosynthesis | Photochemistry | 100%
|
| Decrease in photosynthesis primarily because damage to PS2 outpaces plant's ability to repair it | Photoinhibition | 100%
|
| Plants reduce photosynthesis rates because of excess light/solar radiation. This prevents damage because the plant isn't able to repair quickly enough | Photoinhibition | 100%
|
| Biological response to the length and timing of day and night | Photoperiodism | 100%
|
| Uptake of O2, release of CO2 in the presence of light | Photorespiration | 100%
|
| PAR | Photosynthetically active radiation | 100%
|
| PPFD | Photosynthetic photon flux density | 100%
|
| Use in movement of electrons in the electron transport chain, from b6f protein to P700 reaction center in PS1 | Plastocyanin | 100%
|
| Energy contained in a photon | Quantum | 100%
|
| ATP and NADPH required in this step of Calvin Cycle | Reduction | 100%
|
| 3-PGA molecule is reduced to GA3P | Reduction phase | 100%
|
| ATP required in this step of Calvin Cycle | Regeneration | 100%
|
| 5-carbon Ribulose Bisphosphate is regenerated from 3 carbon glyceraldehyde-3-phosphate molecules | Regeneration phase | 100%
|
| Enzyme that catalyzes the reaction leading to the first stable carbon compound in C3 plants | Rubisco | 100%
|
| 200-3000nm | Short-wave radiation | 100%
|
| Main storage of carbohydrates in plants, complex polysaccharide composed of two entities (amylase/amylopectin) | Starch | 100%
|
| Location of starch synthesis in chloroplast | Stroma | 100%
|
| Primary molecule used to distribute photoassimilates from leaves to other parts of the plant | Sucrose | 100%
|
| Starch that accumulates for use during night | Transient starch | 100%
|
| Used for starch synthesis, or pumped into cytosol to be made into sucrose | Triose phosphates | 100%
|
| DHAP and GA3P | Triose phosphates | 100%
|
| Dissipates heat | Xanthophyll cycle | 100%
|
| Approximate proportions of light associated with the 3 fates | 1. Absorption - 90%2. Reflectance - 7% 3. Transmission - 3% | 0%
|
| Fate of light in plants | 1. Dissipation of energy as heat2. Fluorescence 3. Transfer of energy to acceptor molecule 4. Photochemistry | 0%
|
| 3-PGA | 3-phosphoglycerate | 0%
|
| Provides info about amount of light energy taken up or absorbed by a molecule as a function of the wavelength of light | Absorption spectrum | 0%
|
| Bound to membrane surface via lipid molecules; Function: Phosphorylation (kinases), messenger cascades (G proteins) | Anchored proteins | 0%
|
| 1. PEPcase reacts with C cased molecules, typically bicarbonate2. C4 acid transferred from mesophyll to bundle sheath cells 3. C3 acid returns to mesophyll cells and regenerates | C4 cycle | 0%
|
| Ion concentration difference and electric potential differences across membranes are sources of free energy that can be utilized by the cell | Chemiosmosis | 0%
|
| The point where CO2 assimilated equals the amount of CO2 taken in | CO2 Compensation point | 0%
|
| DHAP | Dihydroxyacetone phosphates | 0%
|
| Regulation of amount of ATP to NADPH produced based on how much of each material is needed (cyclic and non-cyclic) | Electron flow regulation | 0%
|
| Photons are reflected by chlorophyll | Fluorescence | 0%
|
| Embedded in the lipid bilayer; Function: ion channels, pumps, include main protein complexes in light reactions | Integral proteins | 0%
|
| Contributes to radiation balance of plants | Long-wave radiation | 0%
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| Asperate in, to oxaloacetate, to malate, to pyruvate, leaves as alanine, decarboxylation in mitochonrion | NAD-Malic enzyme type | 0%
|
| Malate into bundle sheath cells, leaves as pyruvate, decarboxylation in chloroplasts | NADP-Malic enzyme type | 0%
|
| Ability for a plant to perform photosynthesis or assimilate CO2 | Net Assimilation Rate | 0%
|
| Enzyme that catalyzes the reaction leading to the first stable carbon compound in C4 plants | PEP Carboxylase | 0%
|
| Bound to membrane surface by noncovalent bonds; Function: plasma membrane and cytoskeleton interactions | Peripheral proteins | 0%
|
| Asperate in, to oxaloacetate, to phospheno-pyruvate, carboxylation in cytosol | Phospenolpyruvate carboxykinase | 0%
|
| Inhibitor of two chloroplast enzymes | Phosphoglycolate | 0%
|
| Influence and roles of light on plant development | Photomorphogenesis | 0%
|
| Amount of biomass produced by a crop per unit of intercepted solar radiation | Radiation Use Efficiency | 0%
|
| Following absorption of light by a leaf pigment, the energy can be transferred to another pigment molecule in the light harvesting complex by this mechanism of energy transfer | Resonance energy transfer | 0%
|
| Catalyzes conversion of G3PA to dihydroacetone phosphate | Triose phosphate isomerase | 0%
|
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