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lukranit [14]
3 years ago
8

Which cell structure serves the stated function in both eukaryotic and prokaryotic cells?

Biology
2 answers:
tamaranim1 [39]3 years ago
7 0

Answer:

Cytoplasm

Explanation:

Eukaryotic cell: cell membrane, cytoplasm and nucleus

Prokaryotic: cytoplasm, has no nucleus

aleksklad [387]3 years ago
6 0

Answer:

the answer is b, cytoplasm

Explanation:

i took the test on edge 2020

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How is the energy of a nuclear reactor converted to electricity? The nuclear reactions produce electrical energy directly. Heat
timofeeve [1]

Nuclear power plants use the nuclear fission reaction to release energy and generate electricity through energy conversion. Take the pressurized water reactor nuclear power plant as an example to illustrate its working principle.

In the pressurized water reactor, a large amount of heat is generated by the self-sustaining chain fission reaction of the nuclear fuel nucleus. The coolant (also called the heat carrier) brings the heat in the reactor to the steam generator and transfers the heat to the working medium, water. The main circulation pump then delivers the coolant back to the reactor for recycling, thereby forming a circuit called the first circuit. This process is also the energy conversion process of nuclear fission energy converted into thermal energy.

The working medium on the secondary side of the U-tube outside the steam generator is vaporized by heat to form steam. The steam enters the steam turbine to expand work, and converts the heat energy released by the steam enthalpy into the mechanical energy of the rotor of the steam turbine. This process is called thermal energy conversion to mechanical energy. The energy conversion process. The steam that has done work is condensed into condensed water in the condenser and returned to the steam generator to form another circulation loop called the second loop. This process is called the energy conversion process of converting thermal energy into mechanical energy. The rotating rotor of the steam turbine directly drives the rotor of the generator to rotate, so that the generator emits electric energy, which is an energy conversion process that converts mechanical energy into electrical energy.

6 0
3 years ago
Heart muscles contract and relax. What is the most important effect of
pochemuha

Answer:

A. Blood is pushed through vessels

Explanation:

Heart muscles contract and relax. The most important effect of this action on the human body is Blood is pushed through vessels.

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8 0
2 years ago
Read 2 more answers
What happens when an electrical gradient and a chemical gradient are applying opposite forces to active transport?
Ierofanga [76]

Answer:

Option B, they negate each other

Explanation:

Electrical gradient force is more or less equal to the chemical gradient during an active transport. The number of electron produced during the establishment of chemical gradients, were transferred through the cellular circuit to produce electrical gradient of an equivalent amount in opposite path.

Thus, both electrical and chemical gradient are opposite to each other and hence they negate out each other.

Option B

8 0
2 years ago
The relatively long half-life of lipid soluble hormones (steroid hormones) compared to water soluble hormones is due in part to
Arturiano [62]

Answer:

The transport protein-hormone complexes of lipid soluble proteins can not cross the filtration membrane of glomerulus.

Explanation:

Steroid hormones are water-insoluble (hydrophobic) in nature. Since blood has watery medium, the plasma, the lipid-soluble hormones travel in blood through transport proteins. The transport protein-hormone complexes are too large to cross the filtration membrane of glomerulus. The impermeability of the filtration membrane of glomerulus for protein-hormone complexes increases the half-life of lipid-soluble proteins.

4 0
3 years ago
3. The time between the end of ventricular systole to the beginning of atrial systole.
amid [387]

Answer:

The time between the end of ventricular systole to the beginning of atrial systole is 100 ms or 0.1 seconds.

Explanation:

Ventricular systole is the removal of blood from the heart by pumping through aorta and pulmonary vein. Both aorta and pulmonary vein receive the blood from the heart. Aorta receives oxygenated blood and pulmonary vein receive deoxygenated blood, while atrial systole is the addition of blood into the ventricular from vena cava and pulmonary artery due to contraction of heart. This process occurs in 100 ms.

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3 years ago
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