Answer:
The ecosystems resources will be less abundant if there were to be a sharp increase of population, but if the population stayed and the lesser side then there would be more economical resources
Explanation:
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Chloroplasts in the plants can accumulate high levels of toxic singlet
oxygen, a reactive oxygen species formed during photosynthesis. Destroyed
chloroplast makes the plant wither up and probably die
because the plant's chloroplasts are the considered as the nutrient makers. The
Chloroplast turns light into energy and without energy it will not be converted
to sugar. Since they are the only thing in nature that is able to covert energy
to sugar, it would greatly affect the process and affects growth of the plant
which are food and oxygen producer so probably human would also run out of food
and Oxygen.
Answer:
Both facilitated diffusion and active transport are selective processes. Only selective molecules are allowed to cross the membrane. They utilize carrier proteins to move across the membrane.
Explanation:
Diffusion is the process by which molecules move across a membrane respective of the concentration gradient. The plasma membrane is a <em>selectively permeable membrane</em> which allows specific molecules to move across the concentration gradient.
Molecules migrate from a region of higher concentration to a lower concentration in case of diffusion. It can be classified into simple diffusion and facilitated diffusion. These are examples of <em>passive transport</em>.
In facilitated diffusion molecules move across the concentration gradient with the help of <em>carrier proteins or channel proteins</em>. The carrier proteins bind to the molecule which has to be transported and change conformation to allow it to cross the membrane. For example glucose molecule is carried across through <em>GLUT transporter</em>. <em>Channel proteins</em> open a channel inside the membrane and molecules get transported across the gradient.
Active transport carries molecules against the concentration gradient with the assist of energy. ATP hydrolysis is utilized to generate energy. As a result of active transport, the molecules are aggregated on one side of the membrane.
Bacteria and paramecia reproduce by means of binary fission, so your answer would be B
