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mamaluj [8]
3 years ago
10

The exchange of gasses between blood in systemic capillaries and tissue cells is termed:

Biology
1 answer:
RSB [31]3 years ago
8 0
Pretty sure its Internal Respiration
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The antibiotic rifampicin blocks transcription in many bacteria. In the presence of the antibiotic, adding sigma factor has no s
mariarad [96]

Answer:

transcription initiation

Explanation:

Transcription is a process by which genetic information from DNA is used to synthesize an RNA molecule, usually, a messenger RNA (mRNA), which is subsequently utilized to synthesize a protein by a process called translation. Transcription in prokaryotes has three steps:

1-Initiation: the RNA polymerase is a multisubunit enzyme (holoenzyme) composed of two α, one β, one β’ and one ω and σ subunits (α2ββ’ωσ). This holoenzyme binds to the promoter region of the template DNA strand.

2-Elongation. The sigma σ factor of the holoenzyme is released and the complex and the core enzyme (α2 ββω) moves along the template strand, thereby producing an mRNA sequence

3-Termination. This step can be Rho-dependent, where a protein named "Rho" recognizes the termination site and stop transcription, and Rho-independent (transcription continues until the termination sequence is reached).

In consequence, Rifamycin is likely to block the initiation of transcription because the core RNA enzyme needs to bind the sigma factor (σ) for initiation of transcription in bacteria.

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3 years ago
Which of the following is not a main characteristic of a mineral?
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D. Man-Made is the answer
4 0
3 years ago
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kupik [55]

Explanation:

what's your question?

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What is the abbreviation for the medical condition in which multiple follicular cysts form in both ovaries?
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Answer:

PCOS

Explanation:

PCOS stands for polycystic ovarian syndrome. PCOS is a condition in which the ovaries have multiple follicles that do not ovulate to release an egg due to hormonal disturbances. it is a common cause of infertility.

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3 years ago
Describe the products made by the process of cellular respiration?
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Answer:

Cellular respiration is this process in which oxygen and glucose are used to create ATP, carbon dioxide, and water. ATP, carbon dioxide, and water are all products of this process because they are what is created. Carbon dioxide is released as a gas when you exhale.

Explanation:

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