Answer: Hypnotics
Explanation:
If someone has sleepless night for more than 3 days a week then it will be considered as insomnia. The concerned person can go the family doctor as these drugs are not sold without prescription.
Sleeping pills are common name given to these drugs which belongs to the class of psychoactive drugs. The function of these drugs is to induce sleep.
The drug is basically used to treat the medical condition of insomnia pr surgical anesthesia.
Answer:
In terms of carbon and energy sources, all cyanobacteria are photosynthetic autotrophs.
Explanation:
Cyanobacteria are prokaryotic microorganisms, that is, they have cellular structure that corresponds to the cell of a bacterium. As for carbon absorption and energy acquisition, all cyanobacteria are autotrophic and photosynthesizing, presenting photosystems I and II but not organized in chloroplasts, such as plants. Due to the presence of these chlorophyll-rich pigments, phycocyanins and phycoerythrins, they have been called cyanophytic algae for many years.
Answer:
B. the species that evolve during each
Explanation:
Sana makatulong :,-)
Acid-fast and Gram is used to visualize the structures in a membrane.
It is a differential staining procedure which is used to identify, <em>mycobacterium tuberculosis and M. leprae.</em>
Acid-fast bacteria are considered to be gram-positive in terms of their structure as, they contains peptidoglycan in its cell wall.
They stain poorly with Gram stain procedure, and appears as weak Gram-positive.
Membranes are consisted of lipid bilayer, which is doubled layer of phospholipid, glycolipid and cholesterol molecules, which contains the chains of fatty acids, and
<em>determines weather a membrane is formed into long flat sheets or round vesicles.</em>
To examine the membrane protein structure, Electron microscopy technology is used and it enables the visualization of single protein at nanometers resolution.
To know more about, Structures of membrane, <em>click here-</em>
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