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Ivenika [448]
3 years ago
14

How are species that were once thought extinct being found again? (What tools and methods are being used) https://youtu.be/-17TI

VjVuTY using the information from this video
Biology
1 answer:
aliya0001 [1]3 years ago
7 0

Answer:

fossils I think- correct me if I'm wrong dkfnjdf

Explanation:

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Is the binding of a transcription factor to its dna recognition sequence necessary and sufficient for an initiation of transcrip
hram777 [196]

Transcription factors are necessary for an initiation of transcription at a regulated gene but not sufficient.

Transcription is the first step of gene expression in which DNA molecule is copied (transcribed) into RNA (mRNA) by RNA polymerase. The process of transcription is divided into three phases:

1. Initiation

• RNA polymerase with transcriptional factors bind to gene promoter Transcription factors can enhance the interaction between RNA polymerase and a DNA sequence- promoter, encouraging the expression of the gene. Such transcription factors are called activators. Otherwise, when the gene expression is inhibited, factors are called repressors and they bind to sequence –operator.

• RNA polymerase unwinds DNA double helix (transcription bubble is formed)

2. Elongation

• RNA polymerases adds nucleotides complementary to DNA  

3. Termination

• RNA polymerase gets to stop codon (transcribes a sequence of DNA known as a terminator)

• Formed complementary RNA strand is released from DNA-RNA complex

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3 years ago
Que pasaría si que pasaría si que pasaría si?
Sergeeva-Olga [200]

Answer:

What if what if what if what if?

Explanation:

What if- I turn into a What if ?

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3 years ago
Fill in the blanks. The cytochrome b6f is a large multisubunit protein, which accepts electrons from the __________________ . On
densk [106]

Answer:

The cytochrome b6f is a large multi-subunit protein, which accepts electrons from the plastohydroquinone.

One electron moves linearly toward plastocyanin while the other goes through a cyclic process, which effectively pumps more protons into the thylakoid lumen.

Explanation:

The cytochrome b6f is distributed among both grana and stroma thylakoids equally. They are usually large and embedded in the membrane.

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If a plant just did photosynthesis then the plant would not have any food and just an abundant amount of ATP. they use cellular respiration to make food they can use to grow
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Mineral X is scratched by a diamond. Mineral X _____.
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Mineral X is softer than a diamond.
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