Cards in this guide (5)
Why is the phloem in a leaf important to the roots of a plant
It provides the roots with carbohydrates. (APEX)
What is the name for the protective structure that forms around an embryo
Why can oxygen diffuse across a cell membrane but a protein cannot-
A protein cannot diffuse across a cell membrane because as the
pore radius of the membrane approaches the protein radius, the
mobility of the protein is significantly reduced
Which of the following contains the greatest number is totipotent stem cells
Which process allows ions to move across a semipermeable membrane where the concentration of ions is low to where their concentration is even higher
Active transport BIOLOGY APEX