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Serga [27]
3 years ago
11

The study of Escherichia coli (E. coli) led researchers to new experimental designs for studying operons. Which experimental des

ign did the scientists use?
Biology
2 answers:
natulia [17]3 years ago
9 0

D. Read the genome sequence to determine the quantity and organization of operons.


Margaret [11]3 years ago
3 0
The Experimental Design was open reading frame (ORF) is the part of a reading frame that contains no stop codons. Its transcription pause site is located after the ORF, beyond the translation stop codon if it happened that it will cease before it stop, an incomplete protein will form during the translation.
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Water harvesting, the collection of rainfall and run off for future use, has been practiced for thousands of years; but in some
lina2011 [118]

Rainwater is normally free from dangerous substances, which makes it perfect for irrigation schemes. Added significant benefit is that it decreases the requirement for fresh water. It is important particularly in regions with low water levels.

Another benefit might water harvesting have in these areas with land erosion due to runoff are as follows;

Reduces Water Shortages

In temperate areas, the strain on public water supply can become hard, even in advanced countries. Rainwater decreases the uncertainty of water shortages. Using rainwater for non-essential actions such as spraying the lawn means less pressure on the supply of safe drinking water.

Replenishes Groundwater

Extensive rainwater harvesting projects with the water collected into storage containers or tanks are important to assure a sustainable groundwater level.

Reduces soil erosion

Heavy rainfall generates erosion because some of the soil is transferred along with the passage of water. Soil erosion exhausts agricultural land of topsoil and nutrients, provides to sediment build up in waterways and, in advanced cases, can turn land inadequate for agriculture. Harvesting rain checks a great chance of soil erosion before it can originate.

4 0
3 years ago
During which period did the presence of stromatolites decline?
KIM [24]
The period during which the presence of  stromatolites decline is the Proterzoic period. Stromatolites are widely distributed sedimentary structures consisting of laminated carbonate or silicate rocks, produced over geologic time by the trapping, binding, or the precipitating of sediment by groups of microorganisms, primarily cyanobacteria. 
6 0
3 years ago
Read 2 more answers
Ok is that 23 in females or 23 in males?
anastassius [24]
Both, actually. They both add up to 46 chromosomes. If you have less than 46, you will come out with Autism. Hope this helps!
3 0
3 years ago
What percent of the offspring will receive the recessive phenotype when crossing two heterozygous individuals? assume normal dom
Irina-Kira [14]

The answer is 25%. The other 75% will have dominant phenotype. However, in the dominant phenotype, 25% have a homozygous dominant genotype, while the remaining 50% have a heterozygous genotype. Find attached a punnet square that will clearly illustrate this;






7 0
3 years ago
Read 2 more answers
How many and what type of chromosomes would be expected in a karyotype of a human male?
miskamm [114]
<span>22 pairs of autosomal chromosomes, 1 X chromosome, and 1 Y chromosome would
</span><span>be expected in a karyotype of a human male</span>
5 0
2 years ago
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