<span><span>b.
</span>Lipids</span>
<span><span>
c.
</span>proteins</span>
<span>
Macromolecules
are a set collection of polymers that composes most of the organic substances
specifically in the organelles of cells. Thus, these organelles use lipids and
proteins in doing cellular activity and keeps them functioning. Observe
nitrogen and carbon, these two entities are called elements that are composed
of atoms. Elements are the basic composition of a substance. Going back,
examples of molecules could be nucleic tides, polypeptides, RNA, protein,
lipids and etc. </span>
Induced depression of single neurons in brain areas with opiate receptors
- Enkephalin, applied microiontophoretically, depressed spontaneous and glutamate-induced firing of one neuron in frontal cortex, caudate nucleus, and periaqueductal gray matter, where enkephalin and high concentrations of opiate receptors are met.
- More than one depressions were blocked by the specific narcotic antagonist naloxone. The results are durable with a neurotransmitter or neuromodulator role for this new brain pentapeptide.
- Opium derivatives have been in medical use for the last 2000 years, and may be longer than any other class of drugs
- . The brain regions which was involved in these actions have been identified in some instances by local microinjection of pmole quantities of opioids.
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1-9 options are as follows- e e d b c a b(not sure) d a. and do let me know if anything was wrong.
Organisms need to take food because you need it to survive.
Autotroph --
<span>Autotroph is </span>an organism that can form nutritional organic substances.
Replication Basics.
1: Initiation
2: Elongation
3: Termination