B
idek what plucking is like what
Answer: cartilage
Explanation: because it is not hard or soft but it still is bone and that is what your ears and nose is made of
Ionic bonds result when electrons are tranfered between atoms. Covalent bonds result when valence electrons are shared between atoms. You should be able to identify whether an ionic or covalent bond is being formed between atoms.
Extinction of species reduces the number of different species in ecosystems, hence lowering the diversity of living things.
Both "depends upon the binding of that substance to a specific site on the membrane protein" and "depends upon movement of proteins from one side of the membrane to the other" are correct.
The saturation effect prevents statement 2 from being true.
