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Bumek [7]
3 years ago
13

The greatest concentration of CO2 in an adult is found in the:

Biology
1 answer:
deff fn [24]3 years ago
3 0

Answer:

A

Explanation:

The pulmonary artery carries de-oxygenated blood from the right ventricle of the heart to the lungs. It is the only artery that carries de-oxygenated blood. This blood is usually from the tissues and has a lot of carbon dioxide from the cellular respiration of cells around the body. The blood is pumped to the lungs to be oxygenated and the carbon dioxide expelled.

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Please help me How do the biotic factors vary within an ecosystem and why?
DochEvi [55]

Answer:

Biotic factors are just everything living (bio-) in an ecosystem. So they're bound to vary in every ecosystem, based on the biome, climate, other food sources available, et cetera.

Do you see flamingoes in the forest? No, you say? Well, they're living; they're biotic factors. They aren't in a forest or a jungle ecosystem because that's not their habitat and they don't thrive there.

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3 years ago
Enzymes speed up chemical reactions without being used up. True or False
liq [111]

Answer:

true

Explanation:

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when you drop a sugar cube in a glass of water, at first the water doesn't taste sweet. Later, it tastes very sweet. Is active o
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3 years ago
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If lac+ Hfr bacteria mated with a lac- F- bacteria in an interrupted mating experiment, the F- bacteria will only gain the abili
VMariaS [17]

Answer:

Linear DNA is unstable in bacterial cells and unless the lac+ gene is recombined into the bacterial chromosome, it will be destroyed.

Explanation:

Bacterial recombination is a kind of hereditary recombination in microorganisms described by DNA move starting with one life form called giver then onto the next creature as beneficiary. This cycle happens in three principle ways:  

1. Change, the take-up of exogenous DNA from the general condition.  

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3. Formation, the exchange of DNA starting with one bacterium then onto the next by means of cell-to-cell contact.

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Explanation:

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