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Savatey [412]
3 years ago
11

Some bacteria are helpful because they help us breathe by producing ______.

Biology
2 answers:
Temka [501]3 years ago
8 0

Answer:

oxygen

Explanation:

zhuklara [117]3 years ago
4 0

Answer:

oxygen

Explanation:

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The mechanism that breaks the linkage between linked genes is
gregori [183]

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Crossing over

Explanation:

Crossing over is the process during which two chromatids of two homologous chromosomes exchange part of their genetic segments. It occurs during the pachytene stage of prophase I of meiosis I.

Linked genes are mostly inherited together and do not exhibit independent assortment. However, when linked genes are present far apart from each other on the same chromosome, crossing over can occur between them to produce recombinant chromatids. Therefore, crossing over can break the linkage and produce recombinant progeny as it occurs during the independent assortment of unlinked genes.

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About how many times does the moon orbit Earth in one year
Ivahew [28]

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The Moon completes a circle around the Earth in approximately 28 days.

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True or false plants can meet the challenge of maintaining structure by secreting a waxy substance to seal a cut or wound
jekas [21]

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True

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Given the following biochemical pathway, in which the letters represent chemical substances in the pathway and numbers represent
DaniilM [7]

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Intermediate Product Accumulation

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If one of the crucial enzyme say B is mutated in the process of normal product formation, then the reaction will not proceed further from that point and accumulation of an intermediate product in the cell takes place. The mutation in the enzyme could be environmental or genetic but it will surely alter the enzyme functioning. In the end, the damage malfunctioning cell will be removed using the process of apoptosis.

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3. Four alleles determine if a rabbit is white, brown, or gray. This is an example<br> of
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Principle Condominance

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