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Rudiy27
3 years ago
12

Where do the calories in your food come from?​

Biology
1 answer:
GrogVix [38]3 years ago
6 0

Answer: Calories are the amount of energy released when your body breaks down (digests and absorbs) food.



Explanation:

The more calories a food has, the more energy it can provide to your body. When you eat more calories than you need, your body stores the extra calories as body fat. Even a fat-free food can have a lot of calories

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____ feedback is when the body reacts in the same direction as a stimulus.
Rom4ik [11]

Answer:

negative

Explanation:

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3 years ago
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Describe how the folded structure of a peptide chain and the stereochemistry of an l-amino acid illustrate the difference betwee
snow_tiger [21]

The configuration is a concept that is related to the order (poition) by which different substituents linked to the same central atom, in the case of amino acids, around the central carbon atom. So, amino acids can be divided in two groups, L- and D- forms, analogous to left-handed and right-handed configurations.  

On the other hand, protein folding (folded structure of peptides) is the physical process by which a protein chain acquires its conformation (3D structure) that is usually biologically functional.


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3 years ago
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3 years ago
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9. why do mammalian muscle cells perform lactic acid fermentation (instead of, say, ethanol fermentation)?
Crank

Alcoholic fermentation and indeed most forms of fermentation are low-energy producing. The waste products are often medium-sized hydrocarbons/alcohols that, when fully oxidized to carbon dioxide provide more energy.

Cells ferment sugars to lactic acid B. During training. This is why your muscles are sore and sore during exercise. Essentially, building this lactic acid causes your muscles to scream for oxygen and use a simplified fermentation process to meet their energy needs, which is not efficient at all.

Yes, animals will ferment for a short time if they are not supplied with enough oxygen. Humans perform lactic acid fermentation when the body urgently needs a lot of energy. If you sprint as fast as you can, your cells only have a few seconds of ATP stored. When stored ATP is depleted, muscles begin to produce ATP through lactic acid fermentation.

Learn more about Lactic acid here:-brainly.com/question/490148

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8 0
1 year ago
When I mated two curly-furred beasties, I was struck by the ratio of progeny. Roughly half (99) had curly fur, roughly one quart
Ostrovityanka [42]

Answer:

Both are Homozygous

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A Husband and Wife with curly haired husband(CC) and straight haired wife have all their children curly haired because the gene for curly hair is dominant than straight hair. So, in the progeny, curly hair only.

This represents the Mendel’s Law of dominance which is also the Mendel Third Law which states that one of the factors for a pair of inherited traits will be dominant and the other recessive, unless both factors are recessive.

So, the correct option is ‘Both are homozygous'.

6 0
3 years ago
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