The answer is a) because when muscles contract, myosin heads attach to actin and breaks down ATP. Energy is released, pulling actin filaments and muscle contracts. Essentially actin and myosin filaments are sliding past each other.
<span>Answer: E. The liver makes bile, which is needed to absorb lipid-soluble vitamins.
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The liver makes bile that absorbs vitamin A, D, E, and K which is lipid-soluble. If the liver damaged and the bile production is reduced, the absorption of those vitamins will be reduced too. Vitamin K has a role in blood clotting, so the symptoms probably caused by vitamin K deficiency.
Answer:
The difference between saturated and unsaturated fat lies in the number of double bonds in the fatty acid chain. Saturated fats are usually from animal sources, while unsaturated fats are usually from plant sources.
Explanation:
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- cherry
Each ear should have vestibular apparatus which consist of saccule, utricle and three semicircular canals. The organ can detect horizontal acceleration, vertical acceleration, and rotational acceleration. Impaired vestibular apparatus will result in losing the sense of balance.
The organ is very sensitive as it was able to detect a small acceleration. That is why most disease in the vestibular apparatus will result in an acute(fast onset) fake perception of acceleration, called vertigo.
Answer: D - People enjoyed more comfortable lifestyles and increased leisure time.
The mid 1800's was the beginning of the Industrial and agricultural revolution. The invention of seed drill by Jethro Full substituted the conventional seed planting technique. In this age, the industrial revolution, led to the growth of number of industries. This brought about both social and economic changes in the society. Thus thid resulted in people enjoying more comfortable lifestyles and increased leisure time.
