Answer:
Because older cultures of gram-positive bacteria tend to lose their ability to retain crystal-violet in the peptidoglycan of their cell walls and can be confused with gram-negative bacteria.
Explanation:
Gram staining is used to differentiate between two major groups of bacteria. Gram-positive and gram-negative, these bacteria differ in the amount of peptidoglycan in their cell walls. Gram-positive bacteria have a higher amount of peptidoglycan, which absorbs the violet crystal complex used in gram staining, staining them purple/violet. Old cultures of gram-positive bacteria tend to lose the ability to retain the violet crystal and are stained by safranine, staining them red/pink and appear to be gram-negative.
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The answer is
<span>B.They help produce plasma cells.
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Answer :
Dark district is the counter codon locale and base sets with the mRNA
green is the T?C circle (ribouridine and pseudouridine)
Yellow is the 3' end which has CAA end which connects with the approaching amino corrosive.
Light blue is the anticodon circle
red is the DHU circle i.e. dihydrouridine circle
orange is the additional arm.
Purple area contains 5' end.
There is absorption of carbon dioxide
by the oceans through physicochemical (air-sea surface exchange) and biological
processes. During physicochemical process, molecules of CO2 get into the ocean
by diffusing into the sea surface waters and dissolving. Various factors such
as wind, sea surface mixing, concentrations of CO2, and the temperature of the
water influences the amount of CO2 that diffuses and dissolves in the ocean
surface water. Also, during biological processes, dead cells, shells and other
parts of dead organisms get decayed and releases carbon dioxide at the bottom
of the water.
Sensory neurons
Dmitry holds his hand close to a fire. His sensory neurons allow him to feel the heat, while his motor neurons allow him to move his hand away from the fire.
The Sensory neurons are the nerve cells that receive information from the sensory receptors and transmit the information from the sensory receptors to the brain through the spinal cord. In the question given, Dmitry was able to feel the heat when he held his hand close to the fire because the sensory receptors in the skin transmits information through the sensory neuron from the environment to the central nervous system.
