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grin007 [14]
2 years ago
8

What is energy? Where does energy come from? Where does electrical power come from? How is it generated? 4. Why do we need energ

y? What would a world without electrical power be like?
Biology
1 answer:
ASHA 777 [7]2 years ago
8 0

Answer:

Electricity is a secondary energy source that we get from the conversion of other sources of energy such as coal, natural gas, oil, nuclear power, and so on. These sources are known as “primary sources.” Primary sources can be renewable or non-renewable, but the electricity itself is neither.

Explanation:

thank me later

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* Which proces best explains how antibiotic resistance in bacteria can occur? <br><br>pls help​
Evgen [1.6K]

Answer:

Antibiotic resistance is a consequence of evolution via natural selection.

Explanation:

The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this traits to their offspring which will be fully resistant generation

8 0
3 years ago
What is the main difference between bacteria and humans that gives Sulfa drugs their antibacterial properties? Group of answer c
sertanlavr [38]

Answer:

Human cells can readily absorb folic acid; bacteria cells cannot.

Explanation:

Bacterial cells cannot absorb folic acid and synthesize it. On the other hand, humans do not synthesize folic acid in their cells. They rather obtain it from the diet. Sulfa drugs, for example, sulfanilamide resemble p-aminobenzoate (PABA). PABA is a molecule that is used as a substrate in the synthesis of the coenzyme folic acid. The sulfa drugs serve as competitive inhibitors and compete with PABA for the catalytic site of an enzyme involved in the folic acid synthesis. This prevents the synthesis of folic acid in bacterial cells and thereby, inhibits bacterial growth.

7 0
3 years ago
In order to maintain homeostasis, human cells must have a higher concentration of sodium ions outside the cell than inside the c
Marrrta [24]
Cell Membrane pump works to regulate the Sodium and Potassium. The channel will open and allow Sodium in while releasing Potassium.
8 0
3 years ago
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These individuals had theories of evolution by natural selection, but did not receive the same credit that Darwin did: Group of
Sergeeva-Olga [200]

The individual who did not receive the same credit as Darwin was Alfred Russel Wallace.

<h3>What is the evolution theory?</h3>

The evolution theory is a scientific theory explaining how natural selection may change (evolve) phenotypes across generations.

Alfred Russel Wallace was an evolutionary biologist who understood the importance of natural selection on this process.

In conclusion, Alfred Russel Wallace did not receive the credit as Darwin.

Learn more about natural selection here:

brainly.com/question/23929271

#SPJ1

7 0
1 year ago
Stalactites typically form on the ceilings of caves<br> True or False ??
Furkat [3]
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