Energy Storage & Python Data Structures
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Questions and Answers

Why is it beneficial for animals living in cold environments to have significant fat stores?

  • Fat stores provide long-term energy reserves and act as heat insulation. (correct)
  • Fat stores help to reduce water retention, preventing the animal from freezing.
  • Fat stores are easily converted into carbohydrates for quick energy.
  • Fat stores provide essential proteins that prevent muscle loss in cold temperatures.

During a long period of fasting, in what order does the body utilize its energy stores?

  • Carbohydrates, fat, then protein. (correct)
  • Carbohydrates, protein, then fat.
  • Protein, fat, then carbohydrates.
  • Fat, carbohydrates, then protein.

Why are carbohydrates considered a short-term energy store compared to fats?

  • Carbohydrates cannot be stored in the body, while fats can.
  • It takes longer to convert carbohydrates into energy than fats.
  • The body stores a much smaller amount of carbohydrates than fats. (correct)
  • Carbohydrates are only used during exercise, whereas fats are used at rest.

If someone is on a very low carbohydrate diet, from where will their body primarily derive energy?

<p>Primarily from stored fats and, if necessary, proteins. (A)</p> Signup and view all the answers

Why would an athlete focus on consuming carbohydrates before an event?

<p>To provide a readily available, short-term energy source. (D)</p> Signup and view all the answers

Dans le contexte de Python, quelle est la principale différence entre une liste et un tuple ?

<p>Les listes sont modifiables, tandis que les tuples sont immuables. (C)</p> Signup and view all the answers

Quelle est la sortie du code Python suivant ?

def fonction_recursive(n):
  if n == 0:
    return 1
  else:
    return n * fonction_recursive(n-1)

print(fonction_recursive(3))

<p>6 (A)</p> Signup and view all the answers

Considérez le code Python suivant :

ma_liste = [1, 2, 3, 4, 5]
resultat = list(map(lambda x: x * 2, ma_liste))
print(resultat)

Quelle sera la valeur de resultat après l'exécution de ce code ?

<p><code>[2, 4, 6, 8, 10]</code> (C)</p> Signup and view all the answers

Quelle est la complexité temporelle de l'opération de recherche d'un élément spécifique dans un dictionnaire Python en utilisant sa clé ?

<p>$O(1)$ (B)</p> Signup and view all the answers

Quel sera le résultat de l'exécution du code Python suivant ?

def generateur_exemple():
    yield 1
    yield 2
    yield 3

mon_generateur = generateur_exemple()

print(next(mon_generateur))
print(next(mon_generateur))
print(next(mon_generateur))

<p><code>1\n2\n3</code> (D)</p> Signup and view all the answers

Flashcards

What are nutrients?

Substances in food needed for health.

Examples of nutrients

Protein, carbohydrate, and fat.

Main energy sources

Carbohydrates and fats.

Where are carbs stored?

Liver and muscles.

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Where is fat stored?

Under the skin and around organs.

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Name a few key nutrients.

Proteins, carbohydrates, fats, vitamins, and minerals.

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What are the primary energy sources?

Carbohydrates and fats.

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Where are carbs stored in the body?

Primarily in the liver and muscles.

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Where is fat primarily stored?

Under the skin and around organs.

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