I'd mark answer B :) technically it means that you must eat enough food rich in those aminoacids because they can't be synthesized by the organism.
The plasma membrane has a double layer of phospholipids with proteins dispersed throughout. These proteins help increase the durability of the membrane, as well as help with filtration.
Answer:
a.
Explanation:
The slight positive charges on the hydrogen atoms in a water molecule attract the slight negative charges on the oxygen atoms of other water molecules. This tiny force of attraction is called a hydrogen bond.
<span><span>The plant body consists of two basic parts--- the </span>shoot system<span> and the </span>root system</span><span>Shoot system<span> is above ground and includes organs such as </span>leaves, buds, stems, flowers, and fruits</span><span><span>The functions of the shoot system include </span>photosynthesis, reproduction, storage, transport, and hormone production</span><span><span>The </span>root system<span> is below ground and includes </span>roots as well as modified stem structures<span> such as tubers and rhizome </span></span><span><span>The functions of the </span>root system<span> include </span><span>anchorage, absorption, storage, transport, and production of certain hormones Hope this is what you were asking for! :)
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