<span>if a molecule is too large it cannot pass. also it depends on the concentration of a specific substance inside the cell. similarly, if a molecule is polar it cannot penetrate the phospholipid bilayer.
there are proteins that work as channels and pumps that allow these molecules to pass
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Answer:
Glutamate is the primary excitatory transmitter in the central nervous system. Conversely, a major inhibitory transmitter is its derivative γ-aminobutyric acid (GABA), while another inhibitory neurotransmitter is the amino acid called glycine, which is mainly found in the spinal cord.
Explanation:
Answer:
This means that cells form the parts or an organism and carry out all of the an organism's processes, or functions.
Explanation:
Function and structure are related, because of a certain structure a living thing make contain makes the object function the way it does. ... The relationship of a structure and function is the structuring levels from molecules to organism ensure successful functioning in all living organism and living system.
Answer:
1. Restriction enzymes cut DNA at specific sites in DNA sequences.
Explanation:
Answer:
A. Carbon dioxide gas forms because an acid and a carbonate react.
