If trying to find a loaf of bread that provides a high source of fibre, the percent daily value (\%DV) for fibre should you look for is a. around 15%
A person should look for bread with a percent daily value (%DV) for fibre of around 15% if they want a loaf that offers a high source of fibre. The percentage DV denotes the amount of a specific nutrient that should be consumed each day based on a diet of 2000 calories. A percentage DV for fibre of 15% means that one serving of bread provides 15% of the daily recommended allowance for fibre. This would be seen as a sizable sum and might be regarded as a high source of fibre.
It would be called an exceptional source of fibre, not merely high, if one serving of the bread provided 100% of the daily recommended intake of fibre. A fibre content of around 5% would be regarded as low and not to be a significant source of fibre. Similar to the last example, 8% would suggest a reasonable supply of fibre but not necessarily a high one.
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Complete Question:
If you were trying to find a loaf of bread that provides a HIGH SOURCE of fibre, what percenent daily value (\%DV) for fibre should you look for on a Nutrition Facts Table?
a. around 15%
b. 100%
c. around 5%
d. around 8%
Explain what could be the cause of the disease outbreak on Jason's farm and what preventative measures could be taken
In the past year Jason's farm has been wracked with disease thete was an outbreak of avian pox in the chicken coop that cost him 3 chickens, four pigs developed whip worms and two piglets came down with colibacillosis
What can you tell me about the polarity of the xanthophylls compared to carotene? 8. What are the mobile and stationary phases in the chlorophyll TLC experiment? Why are the mobile and stationary phased named that way? 9. Many kinds of intermolecular forces cause organic molecules to bind to the adsorbent on a TLC plate. Rank the strengths of these interactions (use 1 for the WEAKEST; 4 for the STRONGEST). H-bonding van der Waals salt formation dipole-dipole
Xanthophylls are more polar than carotene due to oxygen-containing functional groups. In chlorophyll TLC, the mobile phase (nonpolar) carries the sample while the stationary phase (polar) remains fixed. Intermolecular forces ranking: van der Waals < dipole-dipole < hydrogen bonding < salt formation.
Xanthophylls are more polar than carotene. Xanthophylls contain oxygen-containing functional groups such as hydroxyl (-OH) and carbonyl (C=O) groups, which increase their polarity compared to carotene, which lacks these groups.
In the chlorophyll TLC (thin-layer chromatography) experiment, the mobile phase is typically a nonpolar solvent such as hexane, while the stationary phase is a polar adsorbent material coated on the TLC plate, such as silica gel or alumina. The mobile phase is named so because it moves or "migrates" up the TLC plate, carrying the sample components with it. The stationary phase remains fixed in its position, allowing separation of the components based on their affinity for the stationary phase.
Ranking the strengths of the intermolecular forces :
1. van der Waals forces: These forces arise from temporary fluctuations in electron density, resulting in weak attractions between molecules.
2. Dipole-dipole interactions: These interactions occur between polar molecules, where the positive end of one molecule is attracted to the negative end of another molecule.
3. Hydrogen bonding: This is a specific type of dipole-dipole interaction that occurs when a hydrogen atom is bonded to a highly electronegative atom (such as oxygen, nitrogen, or fluorine) and forms a weak bond with another electronegative atom.
4. Salt formation: This involves the formation of strong ionic bonds between positively and negatively charged species, resulting in a high level of interaction strength.
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Which example is a specific question that could be used to start a scientific investigation?
A. Do long droughts increase the likelihood of forest fires
B. Should there be more services to prevent forest fires
C. Are forest fires as frightening as mudslides
D. What is the most devastating effect of a forest fire
Answer:
A specific question that could be used to start a scientific investigation is A. Do long droughts increase the likelihood of forest fires. This question can be tested and answered through scientific methods and data collection.