Answer:
From the Question A is the ANSWER
A. Because apples mature more quickly than hawthorn fruit, the apple-feeding flies have been selected for more rapid development
This Will result to temporary isolation between the hawthorn and Apple maggot flies
The strongest component of the cell wall<span> is a carbohydrate called cellulose, a polymer of glucose. The </span>cell wall gives rigidity<span> and strength to the </span>plant cells<span> which offers protection against mechanical stress. ... The </span>rigidity<span> of primary </span>plant<span> tissues is due to turgor pressure and not from rigid </span>cell walls<span>.</span>
Answer:
Birth is an example of a normally occurring positive-feedback mechanism.
True, it comes from chromoplasts<span>
</span>
If the Na+ voltage-gated channels in a muscle cell open, the Na (sodium) ions rush inside the muscle cell and makes the cell more positive as Na ions carry positive charge on it. Due to the entry of positively charged ions inside the cell, the cell becomes less negative and more positive. This is called depolarization of cell.
