Answer:
Explanation:
Translation can be defined as the synthesis of polypeptide chains (protein) from mRNA in the ribosome.
For the initiation steps in translation in prokaryotes
The small ribosomal subunit first binds to mRNA.
For the elongation process
It involves the movement of the tRNAs from the sites ( P, A and E) till they leave the ribosome - translocation of ribosome binding of second aminoacyl trna.
The role of oxygen in cellular respiration is It accepts electrons and keeps the electron transport chain running.
<h3>What is Cellular respiration?</h3>
Energy is the ability to perform a job or to produce heat. Chemical reactions involve a rearrangement of atoms between substances with rupture or formation of chemical bonds and this generates changes in the energy of the system.
An exothermic reaction is one where energy is released from the system into the environment in the form of heat.
Cellular respiration is carried out in the mitochondria of the cells. There the oxygen absorbed from the external environment is combined with carbohydrates (raw material) to release the chemical energy they contain. Water vapour and carbon dioxide are also released.
Thus, option "A" is correct.
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<h2>Heptatitis B Vaccine</h2>
Explanation:
- Hepatitis B antibody can forestall hepatitis B. Hepatitis B is a liver affliction that can cause smooth disorder suffering a large portion of a month, or it can provoke an authentic, profound established illness. Intense hepatitis B defilement is a transient disease that can incite fever, depletion, loss of needing, nausea, spewing, jaundice (yellow skin or eyes, dull pee, soil shaded strong releases), and misery in the muscles, joints, and stomach.
- Hepatitis B pollution is a long stretch ailment that happens when the hepatitis B disease remains in a person's body. A great many people who proceed to create interminable hepatitis B don't have side effects, however, it is still Acute and can prompt liver harm (cirrhosis), liver malignancy, and passing. Constantly contaminated individuals can spread hepatitis B infection to other people, regardless of whether they don't feel or look wiped out them.
- Hence, the right answer is "yes"
Answer:
calcium influx
Explanation:The calcium influx triggers synaptic vesicles, which package neurotransmitters, to bind to the presynaptic membrane and to release acetylcholine into the synaptic cleft by exocytosis.
