Answer:b. Facilitated transport
Explanation:in the usual activities of the cell,it's cell membrane is responsible for the movement of substance in and out of the cell.
Such substances include nutrients,water, oxygen etc.
The plasma membrane select the substances that it allows into the cell thus it is said to be selectively permeable.
The plasma membrane of the cell has a phospholipid bilayer made up of cholesterol, proteins and glycoproteins.
The proteins on the membrane are useful for facilitated diffusion.
In this diffusion process,the proteins helps to carry large molecules across the cell membrane.such molecules includes glucose,amino acids etc.
In the process energy is not expended so it is a type of passive transport.
Answer:it grows the grass then the grass is eaten by the grass hoppers then the grass hoppers are eaten by the mouse then the mouse is eaten by the snake then the snake is eaten by the hawk
Explanation:
The development of a community where no life has existed before is called primary succession.
Hope this helped ! (:
Answer:
Both events occur toward the end of mitosis.
Explanation:
As mentioned, telophase and cytokinesis occur toward end of mitosis.
A is incorrect because During telophase and cytokinesis, animal cells form furrow or cleavage that gives way to formation of daughter cells. During telophase, plant cells phragmoplast forms in the center of the cell.
B is incorrect because DNA synthesis occurs in S phase.
D is incorrect because doesn't affect the organelle number as far as I know
Answer:
well ambroise pare made it back in the 16th century
Explanation:
