Ở ngô 2n =20 . 1 TB ngô đang ở kì sau giảm phân 1 Hãy xác định số NST đơn, NST kép, cromatit, tâm động ?

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

What is the problem in this article? what solution does the article propose?

Facilitated diffusion move large molecules and/or polar molecules across the cell membrane. what does facilitated diffusion use to do this?