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Softa [21]
3 years ago
8

A chromosomal alteration in which one or more

Biology
1 answer:
tekilochka [14]3 years ago
5 0
It’s non disjunction
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Why is the nervous system in the human body a system?
sleet_krkn [62]

Answer:

The nervous system helps all the parts of the body to communicate with each other. It also reacts to changes both outside and inside the body. The nervous system uses both electrical and chemical means to send and receive messages.

Explanation:

8 0
2 years ago
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I need help asap
meriva

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The correct answer is option C. wave particles and the transfer of energy.

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4 0
3 years ago
Which of the following regarding the Ames test is true?
sveticcg [70]

Answer:

Option (2).

Explanation:

Ames test is used to identify the mutageneicity of the compound. The bacteria are treated with chemicals in the nutritive environment to determine whether the substance can acts as a mutagen or not.

The bacteria that can restore the biosyntheic activity in the environment can be considered as mutagen. The mutant bacteria can be easily identified in the Ames test.

Thus, the correct answer is option (2).

8 0
3 years ago
2. A female rat gives birth 28 days (about 4 weeks) after breeding. The young ones grow into
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32 small animals

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Where do lipids, a class of organic compounds, fit on the hierarchy of biological organization? select the correct box?
Pavlova-9 [17]

Lipids are a class of organic compounds, which suits best under the column macromolecules on the hierarchy of biological organization.  

Biological organization refers to the hierarchy of composite biological systems and compositions, which illustrate life using a reductionistic method. The conventional hierarchy moves from an atom to more complex biospheres.  

Each of the level in the hierarchy signifies an enhancement in the organizational complexity, with each component being mainly comprised of the previous basic unit level.  


7 0
3 years ago
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