b. Lipids
c. Carbohydrates
d. Protein
The Nutrients that contains the most calories per gram are lipids (or fats), with 9 calories per gram compared to 4 calories per gram in both protein and carbohydrates.
Your question asks which one of the following nutrients that contains the most calories per gram.
The answer is lipids (or fats).
When we look at calories per gram, which is a measure of energy density, lipids contain more calories per gram than protein and carbohydrates.
In fact, lipids contain 9 calories per gram, while protein and carbohydrates each contain 4 calories per gram.
Vitamins do not contribute calories, but they are essential for various bodily functions.
This is why fatty foods are considered calorie-dense, meaning they have more calories per unit mass than other nutrients.
For example, animals tend to seek lipid-rich food for their higher energy content due to the high caloric content.
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The correct option is (b) Lipids.
Further Explanation:
Certain molecules or polymers are present in all the living organisms those molecules are known as biomolecules that include protein, carbohydrate, and fats. These different molecules provide a differential amount of energy to the living system.
Proteins- are the polymers that are made up of amino acids. Amino acids are linked to each other through peptide molecules.
Carbohydrate- they are the polymers that are made up of monosaccharide to further form disaccharide and polysaccharide. The bonds present between the sugar units in the carbohydrate molecules are known as the glycosidic bond.
Lipids- they contain long chains of fatty acids. It provides high energy or calorie per gram.
Vitamin- they are just the organic molecules that are required in low quantity by the organism to sustain life. It includes vitamin b, a, d, c, k, etc.
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Answer Details:
Grade: Middle school
Chapter: Biomolecules
Subject: Biology
Keywords:
Lipids, polymers, living organism, biomolecules, carbohydrate, protein, fats, amino acids, monosaccharide, disaccharide, polysaccharide, glycosidic bond, fatty acids, energy, organic molecules
B. A clade with a few distantly related and diverse species.
C. A clade with many closely related and similar species.
D. A clade with many distantly related and diverse species.
2. In the past, mass extinctions encouraged the rapid evolution of surviving species (1 point)
A. by changing developmental genes.
B. by making new habitats available to them.
C. because they killed all organisms that had coevolved.
D. because they spared all organisms that had evolved convergently.
3. The Australian flying phalanger is a marsupial flying squirrel.
Its appearance, behavior, environment, and diet closely resemble those of the American flying squirrel, a placental mammal. This resemblance is most likely due to (1 point)
A. adaptive radiation.
B. convergent evolution.
C. coevolution.
D. gradualism.
4. Gradualism is a pattern of evolution in which (1 point)
A. a single species evolves into several closely related species.
B. several distantly related species develop similarities.
C. a species evolves at a slow, steady pace.
D. a species has periods of little evolution interrupted by periods of rapid evolution.
5. Mass extinction would most likely result from which of the following events? (1 point)
A. A disease kills off a single species of predator within an ecosystem.
B. A wildfire burns a national park.
C. Global temperatures drop several degrees after several massive volcanic eruptions.
D. A massive earthquake strikes North America.
Answer:
D
B
B
C
C
Explanation:
Maybe this can help you answer:
The effectiveness of biological control as a method for combating invasive species has varied throughout history. While it has proven to be successful in some cases, it is not always the most effective approach. It is important to consider the specific circumstances and characteristics of each invasive species, as well as the potential risks and benefits associated with biological control methods.
Biological control involves the use of natural enemies, such as predators, parasites, or pathogens, to reduce the population of invasive species. These natural enemies are typically introduced from the invasive species' native range, where they have co-evolved and developed specialized adaptations to control their populations. The goal is to establish a sustainable balance between the invasive species and its natural enemies, thereby reducing its impact on native ecosystems.
In conclusion, while biological control has shown promise as an effective method for combating invasive species, its success depends on various factors such as understanding the biology and ecology of both the invasive species and its natural enemies, favorable environmental conditions, and careful risk assessment. It is important to approach each case individually and consider alternative control methods when necessary.
Answer: c. high-level waste
Explanation:
The used or spent fuel comes from the nuclear reactor that can be no longer efficient to be used again for the purpose of generating electricity, because the efficiency to conduct fission reaction by such fuel is low. But still it may be thermally hot, highly radioactive and harmful. It comes under the category of high level wastes. The high level wastes are those wastes that are produced as a byproduct of the nuclear reactors.
Answer:
High-Level waste
Explanation:
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