Number 5 would be the best awnser.
As a scientist who remains impartial can more accurately conclude his data while doing experiments.
Active transport is a cellular transport mechanism. It’s the movement of molecules that are assisted by enzymes along the way to a higher concentration.
Think where mitochondria are found in the greatest numbers - they are found (for example) in liver cells, kidney cells, muscle cells etc. These tissues carry out a lot of work and thus require lots of energy.
<span>Fat is a storage product that sits there until required but the thyroid does lots of work involved in metabolism and therefore requires plenty of energy.
This should help :)
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During phototropism, the plant hormone auxin<span> controls cell elongation.</span>
