Answer:
Red blood cells transport oxygen around the body. They are specialised to carry oxygen because they: contain large quantities of a protein called haemoglobin , which can bind oxygen. don't have a nucleus, so there is more room for haemoglobin.
Explanation:
Answer: pretty sure it’s B.
Explanation: The salivary glands create a digestive juice called salivary amylase that starts to break down or hydrolyze the starch that is in the bread of the chicken sandwich when the chicken sandwich first reaches the mouth. It would be digested in the amylase in the stomach
Answer: It is approximately the membrane potential at which the electrochemical gradient for Na+ is zero.
Explanation:
The charge in plasma membrane occurs with diffusion and electric fields.
For example, if there are two solutions, let's assume solution X and Solution Y are separated by a porous barrier (to diffuse in equal proportions).
The fundamental principle of diffusion states that solution from a high concentration diffuses to a lower concentration.
For instance, if the X solution contains 40 sodium ions and 40 chloride ions, the Y solution only has 30 sodium and 30 chloride ions. Due to the diffusion, these two solutions will mix and reach a steady-state.
The like charges repel, and opposite charges attract.
After meiosis you are left with 23
Answer:
uplift
Explanation:
this process is called uplift and it can cause rocks that were once underground to come up above the earth's surface. once these rocks are moved the surface , they begin to weather and erode and you know what happens after that.
I hope this helps. let me know and if not I'll try and help you again. have a blessed day
