Answer:
B
Explanation:
The fatty acid tails of phospholipids are hydrophobic – meaning they are ‘water-hating’. This is why they are in the middle of the bi-lipid layer of the cell membrane 'hiding' from the 'watery' environment of a cell. This poses a challenge in the diffusion of large and charged molecules across the membrane -such as sodium ions. Such molecules need transmembrane protein channels to help them cross the membrane. These are called integral proteins because they are part and parcel of the cell membrane. The cell membrane, in addition, also has glycolipids and glycoproteins on its surface that are significant in the identification of the cell by other cells.
The best answer to the question stated above is <span>Building wooden furniture.
>Renewable Resource are </span><span>resource which are replaced naturally and can be used again.
</span> Examples:<span>oxygen, fresh water, solar energy, timber.</span><span>
></span><span>Intensive cultivation of farmland that exhausts soil nutrients. Is an example of human acts which led to the depletion of renewable resource.
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Diploid refers to a cell that has two copies of each chromosome. One way that a diploid organism could have an offspring that are 3n (triploid) or 4n is when the chromosomes don't separate during meiosis.
Triploid refers to some cell that have 3 copies of each chromosomes for a total of 69 chromosomes.
The Use of nitrogen fertilizers near the lake is your answer.
