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3 years ago

Who is the founder of botany

Biology

2 answers:

Olin [163]3 years ago

6 0

Theophrastus is the founder of botany

Alex777 [14]3 years ago

5 0

Answer: <u><em>Botany is the scientific study of plants. The ancient Greek Theophrastus (371–286 B.C.E.) is known as the father, or founder, of botany. He wrote two large books, On the History of Plants and On the Causes of Plants.</em></u>

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Select the correct answer from each drop-down menu. rna interference is a mechanism of eukaryotic gene regulation. in this mecha

rosijanka [135]

The dicer enzyme processes dsRNA and forms siRNAs, which suppress the expression of target genes by cutting mRNA. 1) siRNA 2) RNA.

<h3>What are siRNA fragments?</h3>

siRNA means small interfering RNA. This is a silencing RNA molecule involved in the RNA interference mechanism, intervening in the expression of a specific gene.

siRNAs are complementary double-stranded RNA molecules composed of about 20-21 nucleotides. siRNA originates from a long double-stranded RNA (dsRNA).

The dicer enzyme cuts dsRNA molecules and produces siRNA. siRNAs suppress the expression of target genes when cutting messenger RNA.

siRNAs suppress the expression of target genes by cutting the complementary messenger RNA (mRNA) into two halves. This is accomplished by the interaction of the siRNA with the RISC complex (RNA-induced silencing complex).

The two mRNA halves are later degraded by the cellular machinery, leading to the suppression of the gene expression.

siRNAs also participate in other pathways related to RNAi, such as in antiviral defense or in the chromatin structure organization.

RNA interference is a mechanism of eukaryotic gene regulation. In this mechanism, the enzyme dicer cuts dsRNA into smaller fragments called (1) siRNA, which form a complex with RISC and degrade specific (2) RNA.

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2 years ago

How is a person’s life affected by mitochondrial disease?

kotykmax [81]

Not having enough energy within the cells, injury and/death could occur.

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3 years ago

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What do crops of the green revolution need in order to produce higher yields?

Airida [17]

Answer:

These crops where improved with technology, production of high-yielding variety, and improve farm practices. All these ensured the crops of green revolution had increase yield.

Explanation:

Through genetic engineering, high-yielding variety of cereals e.g wheat, maize, rice, were genetically engineered so that certain features which enhanced increased productivity were selected for.

Use of fertilization, the adoption of mechanization,good cropping and farming system are other factors which enhanced yield of these crops. Specifically, these crops were modified to enhance their Nitrogen uptake, which promotes rapid growths.

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4 years ago

The high efficiency particulate arrestor (hepa) filter in a recirculating biological safety cabinet will capture chemical vapors

vagabundo [1.1K]

High efficiency particulate arrestor is a type of air filter that can theoretically remove at least 99.97% of dust, pollen, mold, bacteria, and any airborne particles with a size of 0.3 microns. The HEPA filter does not remove vapors or gases.

HEPA air purifiers have some level of activated carbon-based material to absorb odors and chemicals .HEPA filters claim to remove particles like dust, allergens and mold spores from the air. HEPA filters are made by haphazardly arranging the polypropylene or fiberglass fibers (between 0.5 and 2.0 µm). While sometimes the fibers are arranged in a mess, the fibers can pass air through and trap some of the particles.

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2 years ago

3.4 Highlight why it is important to evaluate impact assessment studies before any

Ivahew [28]

Answer:

EIA is a tool that ensures the protection and conservation of the environment and natural resources and ensures a sustainable economic development for any project under construction. ... EIA studies the effect of the surrounding environment on the project as well as the effect of the project on the surrounding environment.

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3 years ago

Who is the founder of botany​

Who is the founder of botany