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Ad libitum [116K]
3 years ago
15

Witch carbohydrate provides energy for cows but only dietary fiber for humans?

Biology
2 answers:
iogann1982 [59]3 years ago
6 0
Cellulose. Our bodies as humans lack enzymes to break the cellulose down.
juin [17]3 years ago
6 0
The answer is Cellulose. It does not provide calories/energy. The human digestive tract cannot break it down, so it is indigestible in humans.
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What are roles of producers, consumers, and decomposers in an ecosystem​
Daniel [21]
An organism that obtains energy and nutrients by feeding on other organisms or their remains. A food web is a model of the feeding relationships between many different consumers and producers in an ecosystem. Without plants (the primary producers) consumers and decomposers would not be able to live. Producers always start every food chain. A consumer, also called a heterotroph, is an organism that cannot make its own food. It must eat producers or other organisms for energy.
5 0
3 years ago
If an organism has high biological fitness in one environment, does that mean that it would also have high biological fitness in
Marina86 [1]

The answer is no, high biological fitness in one environment doesn’t have to be high in another environment.

Biological fitness is a term used in evolutionary biology and it is the quantitative representation of how a genotype (or phenotype) is successful (reproductively) in a certain environment. Fitness depends on environment so it changes if the environment changes. The fitness of a genotype is manifested through its phenotype, which is affected by the environment.


4 0
3 years ago
Which is found in the highest concentrations in the atmosphere?
saveliy_v [14]

Answer: By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.

Explanation:

5 0
3 years ago
List three commonly eaten foods produced by plans or animals that provide stored energy for embryos
MAVERICK [17]
The commonly eaten foods produced by plants are root crops, leafy foods, flowers, and seed. Food provides energy and nutrients from organisms such as animals, that cannot trap energy from the sun through hypothesis. Animals called primary consumers eat only plants, humans are called to omnivores eat plants and animals. 
6 0
3 years ago
Read 2 more answers
The activation of receptor tyrosine kinases is characterized by _____.
xxTIMURxx [149]

Answer:

dimerization and phosphorylation

Explanation:

Protein kinase receptors are simply saying receptors with associated kinases (usually tyrosine kinases).

Protein kinases are enzymes that have the ability to modulate other enzymes (or some other proteins) by adding the phosphate group. This is known as phosphorilation process. As a result of structural change, protein can change its activity (phosphorilation usually increase the activity).

Such receptors are involved in a many processes within an organism that are important for the cellular growth, differentiation, metabolism .

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3 years ago
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