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Anika [276]
2 years ago
7

The sustainable infrastructure pressure of increased energy consumption poses new and growing pressure. The energy consumed by a

computer is estimated to produce as much as 10% of the amount of carbon dioxide produced by a __________.
Biology
1 answer:
Svetlanka [38]2 years ago
7 0

Answer:

<h2>Car</h2>

Explanation:

Carbon dioxide is a type of colorless gas that is present in the atmosphere in a very trace amount. This gas plays an important role in the process of photosynthesis that occurs in green plants. There are many sources that increase the percentage of carbon dioxide in the atmosphere that has an adverse effect on nature and causes global warming. Car, trucks and many other machines are responsible for the production of carbon dioxide gases directly or indirectly.

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3 years ago
There are several cell types found in the plasma of our blood. which cell type is essential for forming clots that prevent us fr
maria [59]
I want to say the answer is Plasma

6 0
2 years ago
The transfer of genes from one organism to another is called genetic engineering. This is new technology used to change the gene
nikklg [1K]

Answer: C) GMOs, genetically modified foods engineered in a lab to produce desirable traits.

Explanation:

The genetic engineering involves the insertion of genes from other organism to the host organism so as to make up genetically modified organism. Some unwanted and default genes are also removed from the organisms so that their body function properly.

The genetically modified foods are the examples of genetic engineering. This is done to produce desirable traits in the food crops. In plants both plants and animal genes are inserted to improve the yield of crops, and to improve their quality. In animals, the insertion of genes of other animals is likely to improve the milk and meat yield.

5 0
3 years ago
DCCD (dicyclohexylcarbodiimide) inhibits oxidative phosphorylation when the substrate is mitochondrial NADH. DCCD is a drug that
VARVARA [1.3K]

Answer:

A) Decreases cellular energy production

B) DCCD also affects K+ transport

Explanation:

A) Consequences are of DCCD on cellular energy production: <em>Decreases cellular energy production</em>

ATP-synthase pump is composed of two subunits: F1 catalytic subunit that synthesizes ATP, and F0 proton pumping subunits, that transport H+ through the membrane. F1 subunit might act independently of F0 to produce ATP, but this molecule can not be released without H+ gradient, which generates a movement necessary for ATP release from the catalytic center.

When any of the parts composing F0 react with DCCD, the subunit can not transport H+ through the membrane. DCCD inhibits the enzyme activity by blocking the protons´ flow.

As DCCD blocks the protons´ flow, and the protons´ flow is necessary to release the ATP molecule from the F1 subunit, no other ADP + Pi can enter to F1 subunit, and the production of ATP stops.

B) Other cellular effects of DCCD

There seem to be other effects of DCCD on cell activity, some of which are still under study. To name a few:

  • Diimide from DCCD seems to stimulate cytochrome b reduction and inhibits its reoxidation by ferricyanide.
  • When exposing the cell to high concentrations of DCCD for a long time, might occur an alteration in the electron transporting chain
  • Inhibition of ubiquinol-cytochrome c reductase activity when exposing the cell to high concentrations of DCCD.
  • Inhibition of K+ transport, associated with the inhibition of H+ transport.

Concerning the effect of DCCD on the K+ transport, DCCD stops the extrusion of H+ and the consequent intrusion of K+.

DCCD strongly inhibits the simultaneous flow of H+ and K+. First, it inhibits H+ flow, acidification of the environment stops, but at this point, K+ keeps moving through the membrane. Once the H+ flow has ceased, the K+ flow slowly decreases until it finally stops moving. There is a lag time in the DCCD effect on K+ flow to the instantaneous effect on H+ flow.

5 0
3 years ago
Which method gives the actual age of a fossil in years?
mixas84 [53]

Answer:

Relative dating

Explanation:

Thanks :)

6 0
3 years ago
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