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777dan777 [17]
3 years ago
6

How does natural selection lead to the development of antibiotic-resistant bacteria? ​

Biology
1 answer:
sladkih [1.3K]3 years ago
6 0

Answer:

antibiotic resistant is a consequence of evolution via natural selection. the antibiotic action is an environmental pressure;those bacteria which have a mutation allowing them to survive will live on to reproduce

please mark me as brainlist please

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If a cell was observed under the microscope and found to have a rigid cell wall and be green in color that cell is most likely a
sergejj [24]

Answer:

A plant cell is your answer

Explanation:

prosses of elimination

animal cell - dose not have a cell wall

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plant cell - has a green cell wall that is rigid <--- this is your answer

8 0
2 years ago
The mass number of an atom is the same as?
Darina [25.2K]

Answer: Option C.

The number of protons and neurons it's contain.

Explanation:

Mass number of an atom is also called atomic mass of an atom which is some what expressed in Dalton i.e 1/2. The mass number is the total number of protons and neutrons altogether called nucleons in an atomic nucleus.

8 0
3 years ago
Please help i’ll rate you brainliest
alexdok [17]

Answer:

B. Amplitude: 30cm; wavelength: 110cm

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The electrons that chlorophyll loses to the electron transport chain are replenished by ___________ molecules
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