Answer:
3
Explanation:
Three hydrogen bonds....
"Cytosine and guanine pairing can be found in both DNA and DNA-RNA hybrid formed during replication and transcription. The two nitrogenous bases are held together by three hydrogen bonds."
Diffusion is the movement of <em>solutes</em> from a higher concentration to a lower concentration.
It is important not to confuse this with <em>osmosis</em>, which refers to the movement of water only (from a lower concentration solution to a higher concentration solution.)
Diffusion and osmosis almost always goes hand-in-hand. A good way to remember this is if you imagine mixing a powdered juice drink. Diffusion talks about the powder's movement while osmosis talks about the water's movement.
Well first, your immune system has two main halves, innate and adaptive... the innate is the line of defense to fight off disease and bacteria, which is made up of anatomical barriers
The answer is cAMP or cyclic adenosine monophosphate. This is a derivative of ATP or adenosine triphosphate. It is a second messenger which is important in biological processes. This is used in signal transduction intracellularly, conveying the cAMP dependent pathway. This is formed from ATP through the action of the enzyme adenylate cyclase. Intracellular transduction can be used by hormones to exert its effects, regulation of ion channels, this can be used to activate protein kinases.