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3 years ago

List some reasons why a cell that has just completed cytokinesis might enter the G0 phase instead of the G1 phase.

Biology

1 answer:

Varvara68 [4.7K]3 years ago

6 0

Answer:

G0 phase is the phase of the cell cycle in which cell neither divides nor prepare to divide that is become quiescent. This phase is also known as the quiescent phase. The quiescence phase can be categorized into two types on the basis of function : reversible quiescence and irreversible quiescence.

The cells enter this phase due to the following reasons:

1. The cells which mature and attain functions and do not wants to divide again like heart cells and nerve cells.

2.. The cells like oocytes are arrested at the G0 phase which again becomes functional at puberty to form ova .

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Which is the first type of cell to differentiate?

emmainna [20.7K]

I think the correct answer from the choices listed above is option A. The first type of cell to differentiate is a neuron. The neurons are cells that process and transmits information through electrical and chemical signals. Hope this answers the question.

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3 years ago

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Calculate the number of amino acids encoded by a DNA sequence of 36 nucleotides

ipn [44]

Answer:

See answer below

Explanation:

Hi there,

Assuming this DNA strand is fully capable of being mature mRNA (5' m7G cap and PolyA tail), nucleotides lead to an mRNA codon, which is 3 nucleotides per codon. In turn, 1 codon leads to 1 amino acid. However, as a single strand, it must be capable of terminating translation, which always requires a stop codon, and thus 3 nucleotides. Hence, we must subtract this from the total amount of codons first.

Hence, only 11 amino acids will be coded by a single DNA strand 36 ncltd long.

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2 years ago

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skelet666 [1.2K]

The medication would be the controlled variable, the factor that remains constant.

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3 years ago

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Answer:

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Explanation:

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3 years ago

This subcellular structure functions to modify gene expression products before they are shuttled out of the cell via exocytosis.

Over [174]

Answer:

The correct answer will be- Golgi apparatus

Explanation:

The proteins are synthesized in the ribosomes whether they are attached to the endoplasmic reticulum or free. These synthesized proteins enter the lumen of the endoplasmic reticulum where they get packaged to go to Golgi apparatus.

The Golgi apparatus is the site of post-translational modification of the secreted proteins like ubiquitination, acetylation, phosphorylation and many others.

Thus, the Golgi apparatus is the correct answer.

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3 years ago