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Vika [28.1K]
3 years ago
11

Which of the following statements is part of the cell theory

Biology
2 answers:
Zepler [3.9K]3 years ago
8 0

Answer:

D

Explanation:

All of these because, the cell theory contains all of those

Marianna [84]3 years ago
3 0
Which of the following statements is part of the cell theory?<span>All cells come from pre-existing cells.</span><span>Cells are the basic units of living things.</span><span>All living things are made up of one or more cells.</span> The Answer is ALL three of them!
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_____ is a control mechanism that intensifies an earlier reaction.
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<span>Positive feedback</span><span>

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Positive feedback heightens the intensity
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Darwin focused on studying specific species on the Galapagos Islands and other places and observed
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The answer is the 1st statement.
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What carbohydrate is primarily used by the body to help the digestive system?
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Which of these is NOT a type of fungi?<br><br> yeast<br><br> mold<br><br> algae<br><br> mushrooms
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Explanation:

Algae

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Fungi

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Part A - Modification of chromatin structure Which statements about the modification of chromatin structure in eukaryotes are tr
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Answer:

Some forms of chromatin modification can be passed on to future generation of cells

Acetylation of histone tails in chromatin allows access to DNA for transcription

DNA is not transcribed when packaged tightly in a condensed form

methylation of histone tails can promote condensation of the chromatin

Explanation:

chromatin modifications that can be passed on includes epigenetic modifications that are heritable changes made to the chromatin structure that does not involve the DNA sequences. Some epigenetic modifications include DNA methylation and Histone modifications. examples of histone modification include acetylation, methylation, phosphorylation, ubiquintylation etc. All these function either in allowing the DNA become more accessible to transcritional factors or vice versa. for exmple, histone tail acetylation encourages unwounding of nucleosomes allowing transcriptional factors to have access to the DNa while histone tails methylation further tightens the nucleosomes promoting condensation of the chromatin.

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