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Leni [432]
3 years ago
11

Which of these is one of the nitrogenous bases in DNA?

Biology
2 answers:
Ne4ueva [31]3 years ago
8 0
D is the answer to the problem





Wittaler [7]3 years ago
6 0
The correct answer is D
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Dr. Albertson performed a lumbar laminectomy, 2 vertebral segments, for decompression on Grace James on September 15. One month
zvonat [6]

Answer:

The procedure is epidural drug administration.

Explanation:

The patient (Grace) must have suffered back pain as a result of lunar laminectomy performed on her and epidural drug administration was introduced.

In epidural drug administration, epidural injection are used to treat radicular pain from herniated discs, spinal stenosis, chemical disc, chronic pain secondary to post surgery syndrome.

The injection is given in theatre conditions.

3 0
3 years ago
The organic matter, or hydrocarbon raw material, is derived primarily from __________.
GarryVolchara [31]
The organic matter, or hydrocarbon raw material, is derived primarily from petroleum and natural gas.
Over 90% of the organic chemicals are produced from petroleum and natural gas routes nowadays. Even though the manufacturers search for alternatives because of the prices of the petroleum and natural gas, and look to replace them little by little, still these two are by far the dominant ones.
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3 years ago
What is lipid droplets? Why can it be used as a new biofuel?
dimulka [17.4K]

Answer:

Nowadays energy generation heavily relies on fossil fuels causing environmental challenges. The global biofuels supply has increased by a factor of 8% since 2010, but only comprises 4% of the world’s transport fuels in 2015. The development of next generation of biofuel becomes increasingly important due to the depletion of fossil fuels and in the meantime to overcome challenges for current biofuels production – high cost and low efficiency. The biological production of lipid droplets in oleaginous microorganisms like microalgae, yeast, fungi, and bacteria becomes a promising path to the next generation of biofuels.

The lipid droplet (LD) is a cellular organelle that consists of a neutral lipid, mainly of triacylglycerols (TAGs) and cholesteryl esters, cored with a monolayer-phospholipid membrane and associated proteins. Lipid droplets widely exist in both prokaryotic and eukaryotic cells, could be collected and extracted for biofuel manufacturing. However, this technology is now limited in lab research. Methods to improve the lipid droplet production in oleaginous microorganisms, biomass pretreatment, lipid droplet extraction, industrial scalability are still under development. The experience of liposome manufacturing provides us a solid ground for lipid droplet studies and helps our clients move to a further step of new biofuel development.

Explanation:

https://www.creative-biostructure.com/Lipid-Droplets-Biofuel-Supply-626.htm

3 0
4 years ago
How do the sperm cells get from the stigma to the ovules?
Vesna [10]

The correct answer is option B

Sperm cells when pollinated by the insect to the female body part stay there for a while til the part of the flower determines its suitability and once it is done the sperm travels down through the pollen tube.


6 0
4 years ago
Read 2 more answers
Lightweight fungal spores are surrounded by this
kramer

Answer:

Protective covering called Perdium

Explanation

Fungal spores are agents of asexual reproduction in Fungi.

The function is to protect the spores in fungi.It may be thick or thin depending upon the species. When the layers are two in number,

8 0
3 years ago
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