Answer:
c. none of the subjects to show signs and symptoms of a cholesterol deficiency during the entire study.
Explanation:
this is because the blood cholesterol is from two sources. Nearly 80% of the cholesterol the body needs are made by the liver and intestine.certain small amounts are also produced in the adrenal glands and the reproductive organs.The remaining fragment amounts comes from the diets.
Therefore even if these subjects were fed with diet without cholesterol, it will not have any significant effects on the body cholesterol composition. Therefore no symptoms of its deficiency will be observed.
Generally it biosynthesis is regulated by the amount of cholesterol present in the blood.
Answer:
2) The correct answer would be C- inefficient.
The term inefficient would be the best to describe the energy transfer between trophic levels. It is because most of the energy gets lost at a particular trophic level in the form of heat. The organism uses most of the energy available at particular trophic level for its cellular functions.
Only around 10% of the energy is transferred to the next trophic level.
3) The correct answer would be A- first step.
In any ecosystem, the producers occupy the first place as they manufacture or synthesize food from carbon dioxide and water with the help of sunlight.
Consumers (herbivores and carnivores) depend directly or indirectly on the producers to get their nutrition.
The simple food chain can be summarized as:
Producers→ Primary consumers (herbivores) → secondary consumers (carnivores) → tertiary consumers (top carnivores)
Answer:
There is a 50% chance their child will have blue eyes.
The difference between bacterial cells and animal cells is that animal cells have a membrane surrounding their nucleus while bacterial cells do not have membrane surrounding the nucleus.
DIFFERENCE BETWEEN BACTERIA AND ANIMAL:
- Bacteria and animal are both living organisms, however, they are distinct in the possession of membrane bound organelles.
- Bacteria are prokaryotic organisms meaning that they do not possess a membrane-bound nucleus in their cells.
- On the other hand, animals are eukaryotic organisms meaning that they possess a membrane-bound nucleus.
Therefore, the difference between bacterial cells and animal cells is that animal cells have a membrane surrounding their nucleus while bacterial cells do not have membrane surrounding the nucleus.
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