Answer:
A chemical reaction is a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
Explanation:
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Adenosine TRI phosphate (ATP) while ADP is adenosine DI phosphate. ATP has a third phosphate group stuck on the end of the molecule. Phosphates are big, bulky moieties, and it is hard to add a third group onto an ADP molecule that already has two. Also, they have a strong net negative charge - so that makes it doubly hard to push negative charges together. So the bond between the third phosphate group and the rest of the ATP molecule is very high energy - it takes a lot of energy to form it. A
Answer:
B.
Explanation:
Macrophages are specialized cells involved in the detection, phagocytosis and destruction of bacteria and other harmful organisms. In addition, they can also present antigens to T cells and initiate inflammation by releasing molecules (known as cytokines) that activate other cells.
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Answer: New viruses are released after the lytic cycle.
Explanation:
Lytic cycle during viral replication is where the virus is considered virulent because it replicates as a free flowing molecule within the host. It uses up the host's cellular machinery for replication till it fully matures then goes through a lytic stage. During this reproductive cycle, it bursts and lyses the host cell, released to invade other cells by attachment, penetration, transcription, biosynthesis for replication and maturation, further destroying/lysing targeted cells following the same pattern.
