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3 years ago

Which 2 subatomic particles are located in the nucleus?

Biology

2 answers:

MrRissso [65]3 years ago

8 0

Answer:

Protons and Neutrons are two subatomic particles found in the nucleus of an atom. Protons have a positive charge, and neutrons have no charge.

SashulF [63]3 years ago

7 0

Protons and Neutrons.
Electrons are the subatomic particles that surround the nucleus of the atom in shells.

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What happens during the initiation step of DNA transcription? A ribosome attaches to the initiation codon of a completed mRNA st

Amanda [17]

Answer:

A portion of the DNA unwinds and RNA polymerase attaches to the DNA within the transcription bubble.

Explanation:

Transcription is the process in which DNA template is used to synthesize mRNA.

There are three steps of transcription:

Initiation

It is the process in which a portion of DNA unwinds and RNA polymerase binds to the promotor region on the DNA.

Elongation

It is the process in which RNA polymerase moves along the DNA template and synthesizes mRNA. During this process, unwinding of double stranded DNA takes place.

Termination

As the RNA polymerase moves along the DNA template, it finally reaches a termination signal and then stops synthesizing. It is followed by the detachment of the newly formed mRNA and RNA polymerase from the DNA.

QUESTION:

A ribosome attaches to the initiation codon of a completed mRNA strand.

This is the incorrect answer choice as this process does not happen in the process of transcription. This event happens in the process of translation in which mRNA is used to synthesize proteins or amino acids. mRNA attaches to ribosome during this process.

RNA polymerase moves along the template strand of the DNA creating an mRNA strand.

This is the incorrect answer choice as this event takes place in the process of elongation.

A portion of the DNA unwinds and RNA polymerase attaches to the DNA within the transcription bubble.

This is the correct answer choice as this event takes place in the process of initiation of transcription

The mRNA detaches from the RNA polymerase as the RNA polymerase leaves the DNA strand.

This is the incorrect answer choice. This event takes place in the event of termination of transcription.

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3 years ago

Fern fronds grow from underground stems called sori. true or false

yulyashka [42]

True, This is because they they reproduced itself by spores called Sori so therefore they do grow underground stem

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Why is figure 3 more helpful than figure 2?

Lesechka [4]

Answer:

Figure 3 is more helpful than figure 2 since it shows a clearer trend in the data, while figure 2 does not.

Explanation:

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2 years ago

The results of the rapid strep test were negative, but the rapid flu test was positive for the influenza virus, type

Elden [556K]

For a patient who tested positive for the influenza virus, type A, the coding system used is code 487.1. This code includes manifestations of laryngitis, pharyngitis, or respiratory infection, both upper and acute.

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3 years ago

Which of the following is an input (taken in) to photosynthesis?

yawa3891 [41]

Answer: The correct answer is D) Oxygen

Explanation:

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2 years ago

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