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4 years ago

7

A balance between gravity pulling atoms toward the center and gas pressure pushing heat and light away from the center is called

____________.

1 answer:

Mashutka [201]4 years ago

4 0

<span>Equilibrium is your answer i believe.
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Which of the following statements about mitochondrial chemiosmosis is NOT true?

Cloud [144]

Answer:

Heat energy is required to establish the electron transport chain

Explanation:

The rest of the choices are true about mitochondrial chemiosmosis

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3 years ago

Which series is arranged in order from largest to smallest in size?

avanturin [10]

Definition cell, nucleus, chromosome, DNA, nucleotide

8 0

3 years ago

A zebra mussel is discovered in a lake in Pennsylvania for the first time. Why would this make an ecologist worried?

Anna71 [15]

If a zebra mussel is discovered in a lake in Pennsylvania, then the ecologist would be worried because it is an invasive species. The zebra mussel is native to Ukraine and Russia, but if it has been found in Pennsylvania, than it means that it has been introduced in this area. As an invasive species, the zebra mussel can be very dangerous for the native species in the lake. The invasive species usually are more competitive for food sources than the native species, manage to reproduce quicker, bring in diseases, and the native species tend to not have defense mechanisms for them. This leads to rapid decline or even extinction in the native species, while the invasive spreads out quickly and takes over, resulting in dramatic change in the whole ecosystem.

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3 years ago

Developing a new vaccine takes about 5-10 years. So how is it possible to develope Corona vaccine so quickly?

rusak2 [61]

Answer:

vaccines were designed by using new technologies (i.e., RNA-based vaccines and adenovirus-based vaccines)

Explanation:

RNA-based vaccines are vaccines based on the delivery of specific messenger RNA (mRNA) sequences that are capable of encoding only one viral protein, thereby preventing the complete viral cycle/replication. Subsequently, this protein is recognized by the immune system that generates memory immunity by synthesizing specific antibodies against this protein (in this case, the spike S protein). On the other hand, adenovirus-based vaccines are vaccines designed by inserting a transgene cassette into an adenovirus which is used as vector to produce one specific viral protein inside the host. Like mRNA vaccines, this antigenic viral protein is then recognized by the immune system in order to produce antibodies against a defined protein epitope, thereby producing memory immunity.

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3 years ago

What does the water cycle look like? what does the nitrogen cycle look like?

Yakvenalex [24]

<span>The cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration is called water cycle. The first picture is a picture of the water cycle.

</span>The nitrogen cycle<span> is the biogeochemical </span>cycle<span> by which </span>nitrogen is converted into various chemical forms as it circulates among the atmosphere and terrestrial and marine ecosystems. The conversion of nitrogen<span> can be carried out through both biological and physical processes.</span>

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3 years ago