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DENIUS [597]
1 year ago
7

12 Which does not produce carbon dioxide?

Biology
1 answer:
Lesechka [4]1 year ago
5 0
A sensory neuron does not produce carbon dioxide
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What chemical directly provides the energy needed for muscle contraction?
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Muscle contraction happens only when the energy molecule called adenosine triphosphate (ATP) is present
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Which of the following statements about a controlled experiment is true?
antoniya [11.8K]

The controlled experiments are performed by the scientists, when they want to study the changes in the sample on changing a single variable. So, the correct answer is option (b).

In case, all variables are kept same, no changes would be observed in the experiment sample. A controlled experiment can be performed on living thing as well as non living. But, controlled experiment cannot be performed on the things which are influenced by a lot of variables, as they cannot create realistic results. So, the option (a), (c), and (d) are incorrect.

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Conjugation occurs when abacterium acquires dna from the surrounding environment occurs when a phage transfers bacterial dna fro
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Conjugation is when genetic material is transferred from one bacteria to another via direct contact. Neither of these options are completely correct, but the more correct one would be the first. 
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Why is it necessary for the pancreas to secrete a high ph (basic) solution into the small intestine?
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8 0
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Read 2 more answers
In numerous studies, treatment of prion preparations with ionizing and UV radiation does not reduce transmission of disease; how
mel-nik [20]

Answer:

A. Prions do not contain genetic information, which is affected by ionizing radiation.

B. Denaturants may affect the tertiary structure of prions.

C. Prions are proteins.

Explanation:

Prions are the proteinaceous infectious particles that cause many degenerative diseases of neurons in both animals and humans. They consist of only protein and no DNA or RNA. Due to the absence of DNA or RNA as genetic material, these infectious particles are resistant to ionizing radiation. Ionizing radiations affect nucleic acids of pathogens to destroy them.

Denaturation of proteins affects their secondary and tertiary structures and leave them non-functional. Denaturation may be caused by changes in temperature, pH, disturbance of hydrogen bonds, etc. Therefore, to destroy prions, they need to be denatured.

7 0
2 years ago
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