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DaniilM [7]
3 years ago
15

Why species should be preserved as a possible source of useful genes

Biology
1 answer:
Tamiku [17]3 years ago
3 0

Biodiversity is of great importance in order to maintain stable ecosystems. An ecosystem is a group of life forms that live together in a balanced and stable community. If there is a sudden change in that community’s environment, the balance of the community may change which may cause it to be destroyed.

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Which of the following molecules are not required to express a gene in eukaryotic cells?
slava [35]

Answer:

Repressor protein

Explanation:

Repressor is a protein that binds to deoxyribonucleic acid(DNA) or ribonucleic acid(RNA) it inhibits the expression of one or more genes which is done by binding to the associated silencers.

A DNA binding repressor works by blocking the attachment of RNA polymerase an enzyme that enhance transcription to the promoter, thus preventing genes from been transcribed into messenger RNA.

An RNA binding repressor binds to the messenger RNA and prevents translation of the bases on the messenger RNA into protein. The blocking of expression is called repression.

4 0
3 years ago
Match these items:
stepladder [879]

Answer:

a fertilized egg- zygote

separation of two ends of an old cell- cytokinesis

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egg-producing organ in lower plants- archegonium

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3 years ago
Based on this image, what is responsible for the pattern of ocean currents?
emmainna [20.7K]

Answer:

I believe it would be because of earths rotation.

Explanation:

8 0
3 years ago
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if starting pH is 7.6 instead of 6.9 to 7.3 on EMB agar, would that affect the medium's sensitivity or specificity?
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It would affect the medium sensitivity

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When an ant in a colony dies, the live ants will
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