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igomit [66]
3 years ago
13

4. When a student eats a hamburger and then uses the energy from the

Biology
1 answer:
LenaWriter [7]3 years ago
7 0

Answer:

A

Explanation:

Mechanical = physical basically aka his arms throwing the basketball

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How do deer in Yellowstone behave differently now that wolves are once again a part of the ecosystem?
Veseljchak [2.6K]

Answer:

When threatened by wolves, deer don't graze as much and move around more, aerating the soil.

Explanation:

7 0
2 years ago
What percentage of ticks carry lyme disease?.
arsen [322]

Answer: <u>Ticks infected with it range from 1% to 50%. While most tick bites are innocuous, some species can carry diseases that are fatal.</u>

Explanation:

7 0
2 years ago
It is often stated that the phosphate bonds in atp are "high energy," but in fact, they are not notably high in energy. rather,
Vera_Pavlovna [14]

The answer is Negative charges on phosphate groups repel each other. The oxygen groups of a phosphoanhydride in ATP have electron cloud that repels each other. On hydrolysis, once a phosphate is lost, the electrostatic repulsion is reduced.

When ATP is hydrolyzed, it forms more hydrogen bonds with surrounding water molecules that when ATP is unhydrolyzed. Therefore, more energy is released since more bonds are formed than are broken. The net delta G is positive during hydrolysis of ATP.


6 0
3 years ago
In lecture, I mentioned most lakes are phosphorus limited. However, the most severely eutrophic lakes are often nitrogen limited
KIM [24]

Answer:

Phosphorus is essential for growth of plants and other organisms. When concentration of phosphorus mostly from high breeding rate e.g., pigs, cattle etc. rise in water it causes severe growth of plants and algae as well as phytoplanktons. As a results layers of phosphorus start to release phosphorus as well due to positive gradient. These reactions in water are iron-redox reactions that are crucial for the release of phosphorus.

When too much phosphorus accumulates, it produces a degrading growth feedback in plants, algae and phytoplanktons that then shift toward excessive nitrogen available from fertilizers and cause a flip from P to N. Cynobacteria now dominates and denitrification as well as nitrification takes place simultaneously.

Severe eutrophication induces hypoxia in water that cause a major damage to plants biodiversity in the environment.

5 0
3 years ago
Agrobacterium infects plants and causes them to form tumors. You determine that tumor formation requires a large amount of the p
lianna [129]

Answer:

<em>Agrobacterium</em> <em>tumefaciens</em> is a gram negative bacteria that is responsible for tumor formation in the different parts of plant body.

Explanation:

It causes crown-gall disease in plant body by transferring it's DNA into the plant body which include Ti plasmid.

There are 3 types of bacteria that form tumor in different plant ares.

<em>Agrobacterium rhizogenes</em>,<em> Agrobacterium tumefaciens</em> strains contain either Ti or Ri plasmid but <em>Agrobacterium vitis</em> contain only Ti plasmid   which are virulent.

The transfer of T-DNA takes place into the body of host cells and then the DNA is expressed into the body of the host and thus forming gall or tumor.

8 0
2 years ago
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