Sometimes lymph nodes must be surgically removed. Although more lymph vessels eventually grow, what result would you expect to see immediately after surgery?

Luca Cavalli-Sforza is a geneticist who hypothesized that the skin-color change came late because previous people had complete vitamin D access to the foods that they are eating. But the moment they started farming, the main vitamin sources are reduced, making a larger gain of having light skin.

Luca Cavalli-Sforza's hypothesis suggests that the change in skin color came later in European populations due to adaptation to reduced ultraviolet radiation exposure.

Luca Cavalli-Sforza's hypothesis for why skin color change came late is related to adaptation to changing levels of ultraviolet radiation. As humans migrated from Africa to areas with less exposure to UV radiation, their skin pigmentation became lighter in order to compensate for the reduced absorption of Vitamin D, which is necessary for bone health and immune function. Cavalli-Sforza's hypothesis suggests that this adaptation occurred later in European populations compared to those in other regions.

https://brainly.com/question/31643044

#SPJ3

Sanitary landfills are safeguarded against groundwater contamination by being lined with plastic and compacted clay and being located in areas where the groundwater isn't used for drinking or agriculture.

To safeguard against groundwater contamination, sanitary landfills are constructed with specific features. They are lined with plastic and compacted clay to act as a barrier between the trash and the natural soil below. This liner prevents potential contaminants in the waste from seeping into the groundwater.

Moreover, landfills are typically built in places where the geography or land use won't interfere with the natural flow of water in the area. They may be located on industrial sites where groundwater is not tapped for drinking or agricultural purposes, reducing the risk of trash pollutants seeping into water sources used by humans. Therefore, the location and construction materials used for sanitary landfills are both essential to protect groundwater resources.

https://brainly.com/question/31577124

#SPJ6

Answer:

They were originally classified based on visual characteristics that could be seen on the outside of the organism, however with the advancement of technology and science scientists realized that other characteristics (molecular, structural, etc.) should be considered.

Explanation:

If today nature has an order in the eyes of man, this is due to the work of the Swedish naturalist Carl Lineu, who in the 18th century, when comparing reproductive organs and structures of animals and plants, formulated the system of binomial classification of species. That is, if we can now call ourselves homo sapiens, such nomenclature of genus and species, respectively, is the result of Lineu's work. His contributions did not stop there, since in addition to the species' names, the naturalist grouped them into a hierarchical classification system. Thus, Kingdoms, Philos, Classes, Orders and their subcategories were born.

However, Lineu's classification system was originally established based on visual characteristics that could be seen on the outside of the organism, however with the advance of technology and science scientists realized that other characteristics (molecular, structural, etc.) should be considered.

According to the CDC, tooth decay affects more than one-fourth of U.S. children aged 2 to 5.Tooth decay is the damage of the structure of the tooth which is caused by acids that are produced when sugar is being broken down by plaque bacteria in the mouth. Tooth decay is the primary cause of tooth loss in children in the United States.

Answer:

Tropical cyclones.

Explanation:

Cuz I cheated on the test and fealt that I should help a brotha' out.

Optimization refers to the activity of making the most or best efficient use of a resource of situation. Optimization suggests that it is probable to sustain performance in some areas via spontaneous practice and the application of new technology.  

The older adults get involved in numerous sexual activities, companionship is essential to age individuals. The optimization in older adults’ sexual activity can be expressed by getting involved in more kissing, cuddling, and fantasizing in comparison to intercourse for satisfying the sexual activity.  

A dangerous cargo manifest is most commonly associated with the Water mode of transportation. Anyone who would like to ships any materials that are hazardous in a vessel must arrange a Dangerous Cargo Manifest (DCM) or sometimes called the stowage plan for those hazardous materials.

Transplanting genetic material into bacteria is not a simple task; it is a complex process involving genetic transformation, genetic transfer, and bacterial conjugation. While competent bacteria can take up new DNA, creating transgenic organisms or introducing synthetic genomes into bacteria is more challenging and less straightforward.

Is Transplanting Genetic Material into Bacteria a Simple Task?

Transplanting genetic material into bacteria can be a complex process, as it involves several steps that need to be carried out with precision. Genetic transformation, genetic transfer, and bacterial conjugation are means by which bacteria can receive new genetic information. The introduction of recombinant DNA into a bacterium is facilitated through different mechanisms, such as natural competency, transformation, transduction, and conjugation using structures like the F pilus or sex pilus. As mentioned in LibreTexts, competent bacteria are able to take up DNA from their environment, and other methods may involve using plasmids or direct injection. Genetic engineering often takes advantage of these processes to introduce new genes into bacteria for the production of proteins or to create transgenic crops.

However, in the context of synthetic biology, the (booting) of a completely synthetic genome into a bacterial host presents a greater challenge and is currently a more complex and expensive process. Thus, the statement that transplanting genetic material into bacteria is a simple task is generally considered false.

The correct representation of energy flow through an ecosystem is: Sun - autotrophs - heterotrophs.

A pyramid of energy can be defined as a graphical model that is used to depict the flow of energy from one trophic level (feeding level) to the next in an ecosystem.

This ultimately implies that, a pyramid of energy is a diagram that compares the energy that is used by living organisms at each trophic level of the food chain in an ecosystem.

In conclusion, the correct representation of energy flow through an ecosystem is:

Read more on pyramid of energy here: https://brainly.com/question/20025963

The base pairing between a DNA strand and RNA nucleotide determines base added to an RNA strand

During Transcription an RNA copy is made from a gene sequence which called an mRNA molecule. and it leaves the nucleus into the cytoplasm of the cell.

The Base to be added to an RNA strand is basically determined by the base pairing between a DNA strand and RNA nucleotide.

Hence we can conclude that what determines the base added to an RNA strand is The base pairing between a DNA strand and RNA nucleotide.

Learn more : https://brainly.com/question/21955111

Answer: 20%

The alcohol that is swallowed by a person avoids the normal digestive process. It travels down the esophagus into the stomach and the small intestine and goes right into the bloodstream. About 20 percent of the alcohol consumed by the body is absorbed in the stomach, and about 80 percent is absorbed in the small intestine. The liver is the organ that is particularly affected by alcohol because it is the main organ that processes alcohol.