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gavmur [86]
3 years ago
9

What causes a dark band on the chromosome?

Biology
1 answer:
ExtremeBDS [4]3 years ago
6 0
Adenine (A) and Thymine (T) produces a dark band on the chromosomes.It is in this region that dye stains of chromosomes that are rich in these base pairs.
Hope my answer would be a great help for you.    If you have more questions feel free to ask here at Brainly.
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Can someone write a paragraph explaining this drawing of thermal energy. Please dont use google, I'll mark brainiest and give ex
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Radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium.
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Summarize how early Joey birth in kangaroos is an advantageous adaptation for life in arid conditions.
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Answer:

By giving birth early, the mother expends less energy supporting her offspring in utero. Therefore, if environmental conditions become too severe the mother can conserve energy for herself and is not forced to carry her Joey to full term.

Explanation:

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The lac operon is an inducible system because the transcription of the operon occurs in the presence of an inducer (allolactose)
joja [24]

Answer:

A. True

Explanation:

Allolactose is an example of an inducer, a small molecule that triggers expression of a gene or operon. The lac operon is considered an inducible operon because it is usually turned off (repressed), but can be turned on in the presence of the inducer allolactose.

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3 years ago
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2. Check everything that is true about eukaryotic cells:
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The correct options are:

they are larger and more complex

examples include plant cells, animal cells and fungi cells

they contain DNA

Eukaryotic cells do actually have a nucleus, which is where their DNA is found so that option would be incorrect.

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