The correct answer is :
Some substances but not other can cross the (blank ) membrane of a cell. The blank is to be filled with either cell or plasma. Cell membrane or plasma membrane is the living boundary of a cell which is made of phospholipid. It is a semi-permeable or differentially permeable membrane. It only allows small and non-polar molecules to pass through it. It prevents polar ions or molecules to pass through it
Answer:
the speed of the ball remains the same.
Explanation:
due to newtons law of what goes up must come down applys to this question, and therefore the speed doesn't change.
Iodine products that are used on human tissues as anti-infection agents are called antiseptic. The antiseptics are used and applied on a tissue in order to reduce the possibility of infection, sepsis, or putrefaction. They i<span>nclude hydrogen peroxide, rubbing alcohol, and iodine.
The most commonly usage is </span><span> cleaning the skin before an injection and cleaning wounds.</span>
The pollen grains contain sperm which will fertilize the egg and create a seed to sprout the next generation of plants. The main male part is the stamen. It is divided into two parts: the anther and the filament. The anther produces the pollen grains that contain the sperm needed for fertilization.
