Answer:
The bacterial DNA gets degraded at step 3 of the viral lytic cycle.
Explanation:
Viruses are organisms that are incapable of replicating on their own, hence, they require a living host which they infect and use its replicational ability to reproduce theirselves. The infection cycle of this virus is regarded as its replication cycle. Viruses employ either the LYTIC or LYSOGENIC cycle for infection.
The lytic cycle involves killing of their host cell at the end of the cycle. Generally, the cycle starts with the attachment of my the virus to the cell membrane of its host using specific receptor sites (step 1). It then penetrates the host cell as seen in step 2.
After penetration, the virus then secretes certain degrading enzymes called ENDONUCLEASES that degrades the bacterial DNA. After which the virus uses the replicational and gene expressing ability of the host to transcibe its genetic material and replicate itself. This process called SYNTHESIS occurs in step 3.
Hence, the yellow ring in the image that represents bacterial DNA disappears in step 3 (synthesis stage) because it gets degraded by viral digesting enzymes.
Answer: Un ejemplo de ecosistema es un estanque. Todos los seres vivos del estanque (ranas, peces, bacterias, plantas acuáticas, etc.) se consideran factores bióticos. Los factores abióticos del ecosistema del estanque incluirían todos los factores no vivos (agua, luz, oxígeno disuelto, nitratos, etc.) que se encuentran en el estanque. Un bioma es una colección de ecosistemas diferentes que comparten condiciones climáticas similares. El noreste de Minnesota es un bioma de bosque de coníferas. En esta región del estado de Minnesota encontrará ecosistemas de estanques, bosques, ríos y arroyos, etc.
Answer:
A cell
Explanation:
Cell is the basic functional and structural unit of a living organism
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If heparin is absent in our blood , our blood would clot not allowing blood circulation, blocking capillaries and veins causing severe pain.
