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lakkis [162]
3 years ago
12

Which kind of organism does not generally require oxygen or sunlight to live?

Biology
2 answers:
kiruha [24]3 years ago
6 0

Answer:

answer is A

A. Archaebacteria

Explanation:

Archaea requires neither sunlight for photosynthesis as do plants, nor oxygen.

gregori [183]3 years ago
3 0
Answer is A.

Archaea requires neither sunlight for photosynthesis as do plants, nor oxygen. Archaea absorbs CO2, N2, or H2S and gives off methane gas as a waste product the same way humans breathe in oxygen and breathe out carbon dioxide. An example is chemosynthetic bacteria by sea drifts. They use chemical energy to produce vital processes to live.
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Which of the following best pairs leaf structure with its role
Alinara [238K]
 Since there are no choices to choose from, I'll just site all the structures of the leaf with its role then.
 
A Leaf has the following structures:
Cuticle
Upper epidermis layer
Palisade layer
Xylem
Phloem
Spongy mesophyll layer
Air space
Lower epidermis layer
Stomata
<span>Guard cells</span>
3 0
4 years ago
What of the following checks dna for errors
HACTEHA [7]

Answer:

A. DNA polymerase

Explanation:

DNA polymerases (I,II,III) proofread the DNA, which helps to catch errors. Errors can be fatal to expression, creating misformed proteins or unclear information, so this is necessary.

Fun facts - the coronavirus is a retrovirus, so it doesn't proofread. That makes it much harder to find a vaccine, because it can generate new strains by the very fact of not proofreading.

5 0
3 years ago
Determine the dna sequence by analyzing the location of each nucleotide across the four lanes of the electrophoresis instrument.
kaheart [24]

The specific electrophoretic diagram required to determine the DNA sequence is not found here but this technique refers to Sanger sequencing.

<h3>What is Sanger sequencing?</h3>

Sanger sequencing is a technique used in molecular biology and genetics to determine the linear order of nucleotide bases in a given genomic sequence, which is fundamental to identifying alleles in a genome.

This technique (Sanger sequencing) is based on the use of certain analogous nucleotides that stop the process of amplification, which can be subsequently evidenced in an electrophoresis gel.

In conclusion, the specific electrophoretic diagram required to determine the DNA sequence is not found here but this technique refers to Sanger sequencing.

Learn more about Sanger sequencing here:

brainly.com/question/26101335

#SPJ1

6 0
2 years ago
What is the main function of the scrotum user: sperm deposited in the vagina are capable of fertilization for about how long?
iogann1982 [59]
Three days in to the fertilizatiom go long with 3 or 4 months
4 0
3 years ago
In recent years, in the research process of drug analysis and identification methodology, the multi-functional technical charact
barxatty [35]

Answer:

① There are many test methods: many kinds of NMR test methods, including one-dimensional and two-dimensional, have been widely used in structural analysis and material identification; quantitative analysis is no longer limited to 1H NMR experiment, and quantitative analysis of heteronuclear and even two-dimensional NMR appears frequently;

② There are many calibration targets: most compounds have multiple sets of NMR lines, which can be used as calibration targets for quantitative analysis theoretically, which undoubtedly provides convenience for the processing of test data;

③ There are many types of quantitative information: in the literature reports, not only the integral area or intensity of the resonance spectral line is used as the data parameter of NMR quantitative analysis, but also the change value of chemical displacement under specific conditions can be used as the parameter of content determination;

④ There are many reference modes: nuclear magnetic resonance obtains the data information of quantitative analysis through direct comparison of signals. In the experiment, multiple modes such as internal standard, external standard, solvent calibration and physical calibration can be used to provide reference signals. In the determination of relative content, the mode of sample self-standard can also be used.

In a word, NMR is a mature analytical and testing method with distinct technical characteristics, multiple means, flexible methods and rich information, which has a strong competitiveness in drug analysis and identification.

Explanation:

http://www.creative-biostructure.com/nmr-services_28.htm

7 0
3 years ago
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