Question

1. which of the following list of foods contain the best sources of omega - 3 fatty acids?

salmon, krill, butter, avocado
tuna, salmon, krill, olive oil
milk, spinach, watermelon, cherries
trout, pumpkin seeds, walnuts, oranges

1. which of the following lists of amino acids contain all essential amino acids?

valine, threonine, lysine, methionine
glutamine, proline, tryptophan, histidine
tyrosine, arginine, phenylalanine, cysteine
phenylalanine, methionine, glycine, serine

1. alcohol is an addictive substance.

true
false

Explanation:

• For question 9: Omega - 3 fatty acids are found in fatty fish like salmon, tuna, trout, and in krill and olive oil. Butter and avocados are not primary sources, and milk, spinach, watermelon, cherries, and oranges are not significant sources of omega - 3s. Pumpkin seeds and walnuts have some omega - 3s but the combination in the second option is best.
• For question 10: Essential amino acids are those that the body cannot synthesize on its own. The full set includes histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. The first option has some but not all, the second option has tryptophan and histidine but lacks others, the third and fourth options are missing key essential amino acids.
• For question 11: Alcohol is known to be an addictive substance as it can lead to physical and psychological dependence.

Answer:

1. Tuna, salmon, krill, olive oil
2. None of the above
3. True