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Ilia_Sergeevich [38]
3 years ago
8

Why must DNA replication have to occur before a cell can divide by mitosis?

Biology
1 answer:
Arlecino [84]3 years ago
7 0

Answer:

I think D is right answer

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Metagenomics (check all that apply): Group of answer choices Can leverage Next Generation Sequencing technology to identify and
ikadub [295]

Answer:

- Can leverage Next Generation Sequencing technology to identify and characterize organisms

- Has resources to support analysis at the DOE-JGI site.  

- Can identify microbiologic organisms without traditional isolation and culturing of individual organisms.

Explanation:

Metagenomics can be defined as the study of whole genomes of biological communities recovered from environmental samples. This genomic field has enabled the discovery of new species (microorganisms) and their effects on the environment. Next-Generation Sequencing (NGS) technologies allow to obtain huge amounts of genomic data, which has been a limitation in genomics and metagenomics. Metagenomic NGS (mNGS) is a technique used for sequencing nucleic acids present in a biological sample containing mixed populations of microorganisms. Finally, the Department of Energy Joint Genome Institute (DOE JGI) is a referent in metagenomic analysis, especially in genome assembly data obtained from microbial communities. This Science User Facility has developed a series of bioinformatics tools and databases in order to analyze metagenomic information.

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3 years ago
What is Automatic on my face I love the picture o-Brewery Syndrome?
Pavlova-9 [17]
Girl what the hell are u on
4 0
3 years ago
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The lactose (lac) operon in E. coli is an example of a repressed gene when lactose is not available in a cell. In 3-5 sentences
irakobra [83]

Answer:

Please find the detailed explanation of this statement below

Explanation:

Firstly, a repressed gene is a gene whose expression has been inhibited or repressed. The lac operon in E.coli bacteria is a regulatory unit containing structural genes, a single promoter and operator regions. The promoter is the region where the transcription enzyme (RNA polymerase) binds to in order to transcribe the genes in the lac operon. The structural genes in the lac operon can only be expressed in the presence of lactose sugar.

However, in the absence of lactose, LAC REPRESSOR, which is a transcription factor (protein), prevents the binding of RNA polymerase to the PROMOTER region by binding to the OPERATOR region of the lac operon. This inhibits the expression of the lactose genes in the operon.

Note that, the structural genes in the lac operon (lacZ, lacY, lacA) code for proteins that help break down lactose sugar for energy in the E.coli bacteria. Therefore, a bacteria cell with a repressed lac operon will be unable to degrade lactose sugar.

4 0
4 years ago
If fruit flies are still used today what can happen?
ICE Princess25 [194]

Answer:

You may not think that Fruit Flies pose a health risk but they are insects and all insects pose a health risk if they hang around long enough.

Explanation:

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3 years ago
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What determines the fate of a star? a) The star’s age b) The star's mass c) The star’s position in the galaxy d) The star’s colo
tatyana61 [14]
The Fate are determined by the mass of the star.
So,your answer is <span>b) The star's mass.

Hope this helps :)</span>
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