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forsale [732]
3 years ago
12

In which step of the diagram does the virus release a protein that causes the cell wall to burst?

Biology
2 answers:
Lilit [14]3 years ago
7 0

Answer:

The correct answer would be the step E.

It represents the lytic cycle of the virus.

The viral genome takes over the host cell machinery and used it for the synthesis of its protein coats and genetic material.

The same can be observed in step E in which viral components are being synthesized in a host cell.

These protein and genetic components of the virus are then assembled which results in bursting of the host cell.

Consequently, the viral progeny is released.

Thus, step E represents the stage in which viral protein is released which causes the bursting of the host cell.

mina [271]3 years ago
4 0
I believe the best answer is D( STEP F )
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This is the earth's coldest biome. Since the sun does not rise for nearly six months of the year, it is not unusual for the temperature to be below -30°F in winter. The earth of the Arctic tundra has a permanently frozen subsoil, called permafrost, which makes it impossible for trees to grow. Frozen prehistoric animal remains have been found preserved in the permafrost.

In summer, a thin layer of topsoil thaws and creates many pools, lakes, and marshes, a haven for mosquitoes, midges, and blackflies. More than 100 species of migrant birds are attracted by the insect food and the safe feeding ground of the tundra. Other animals that live in this biome include polar bears, Arctic foxes, caribou, and grey wolves. Plants that you might find include small shrubs and cushion plants, and the lichen which cover the many rocks on the tundra's terrain. The Arctic is also famous for the beauty of its flowers during early autumn.

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The coniferous forest biome is south of the Arctic tundra. It stretches from Alaska straight across North America to the Atlantic Ocean and across Eurasia. The largest stretch of coniferous forest in the world, circling the earth in the Northern Hemisphere, is called the “taiga.” It supplies the bulk of the world's commercial softwood timber, which is used to make paper.


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This biome is in the mild temperate zone of the Northern Hemisphere. Major regions are found in eastern North America, Europe, and eastern Asia.


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A desert is an area where little or no life exists because of a lack of water. Scientists estimate that about one-fifth of the earth's land surface is desert. Deserts can be found on every continent except Europe. There are two different kinds: hot and dry (such as the Arabian and Sahara deserts) and cold and dry (such as Antarctica and the Gobi desert).

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