Answer:
A. A water molecule passes through a semi permeable membrane
Explanation:
Facilitated diffusion is the diffusion of a molecule without any assistance from a protein or protein channel.
In facilitated diffusion, a molecule will diffuse by itself through a semi permeable membrane, such as the cell membrane.
Answer choices B, C, and D are incorrect because they are all examples of facilitated diffusion. The molecules required assistance from a protein.
Answer choice A is correct because the water molecule was able to pass through by itself.
So, the correct answer is A. A water molecule passes through a semi permeable membrane
Answer:
These different types of telescope collect information about the space.
Explanation:
These different types of telescopes help scientists learn about space by collecting information in the form of pictures which help the scientist to know a lot of new things about the phenomena that occurs in space such as birth and death of stars, shows galaxies which are billions of light years away, and comet pieces that are crashing into Jupiter's atmosphere. All these information are collected by these different types of telescope present in the space.
The firsy one does both oxygenated and deoxygenated blood use the umbilical artery
Answer:
Nitrate
Explanation:
is the form of nitrogen most used by plants for growth and development. Nitrate is the form that can most easily be lost to groundwater. Ammonium taken in by plants is used directly in proteins. This form is not lost as easily from the soil.
