Scientists unearth a Wooly Mammoth from the Siberian Ice Sheath and discover that a eukaryotic "amoeba-like cell is still alive. Which component of the cell membrane might contribute to maintaining the fluidity of plasma membranes under freezing conditions? high levels of unsaturated phospholipid tails within the lipid bilayer high levels of long phospholipid tails within the lipid bilayer high levels of saturated phospholipid tails within the lipid bilayer O peripheral proteins absence of cholesterol

Photosynthesis converts the solar energy in sunlight into chemical energy in sugars.

Photosynthesis is the process by which plаnts use sunlight, wаter, аnd cаrbon dioxide to creаte oxygen аnd energy in the form of sugаr. Most life on Eаrth depends on photosynthesis. The process is cаrried out by plаnts, аlgаe, аnd some types of bаcteriа, which cаpture energy from sunlight to produce oxygen ([tex]O_{2}[/tex]) аnd chemicаl energy stored in glucose (а sugаr). Herbivores then obtаin this energy by eаting plаnts, аnd cаrnivores obtаin it by eаting herbivores.

For more information about photosynthesis refers to the link:

https://brainly.com/question/29764662

#SPJ4

The scientists confirm that a cell has incorporated recombinant DNA by following ways: (b) screen for the expression of a reporter gene; (d) perform polymerase chain reaction and run a gel; and (c)  grow cells in the presence of an antibiotic.

Recombinant DNA is the piece of DNA generated by the combination of genes from two or more species. This technique is a gene manipulation technique where the genes of interest can be obtained and inserted into any species to obtain the desired results.

Polymerase Chain Reaction (PCR) is a technique where small fragments of DNA can be used to produce its millions of copies within a small time period.

To know more about PCR, here

brainly.com/question/19670710

#SPJ4

Chromosomes tightly coiled structure enables them to be segregated during cell division.

A chromosome is a long DNA molecule with part or all of the hereditary material of an organic entity. In many chromosomes the extremely lengthy meager DNA segments are covered with bundling proteins; in eukaryotic cells the most significant of these proteins are the histones. These proteins, helped by chaperone proteins, tie to and consolidate the DNA particle to keep up with its integrity. These chromosomes show a mind boggling three-layered structure, which assumes a huge part in transcriptional regulation.

Chromosomes are typically noticeable under a light magnifying lens just during the metaphase of cell division (where all chromosomes are adjusted in the focal point of the phone in their consolidated form).[4] Before this occurs, every chromosome is copied (S stage), and the two duplicates are joined by a centromere, coming about either in a X-molded structure (presented above), in the event that the centromere is found equatorially, or a two-arm structure, assuming the centromere is found distally.

To know more about chromosomes,visit here:

https://brainly.com/question/30077641

#SPJ4

False ribs are defined as those that articulate directly with the sternum, whereas false ribs are defined as those that do not.

Each rib has a costal cartilage at the anterior end. True ribs (1–7) join the sternum directly at the costal cartilage. The false ribs (8–12) either indirectly or completely lack an attachment to the sternum.

The 11th and 12th ribs are known as floating ribs because they are not physically connected to the sternum. Because they don't directly connect to the sternum, ribs eight through ten are referred to as false ribs. The ribs and costal facet articulate at the level of the spine.

To know more about False ribs visit:-

https://brainly.com/question/8381414

#SPJ4

Answer:Command economies are characterized by large surpluses and shortages, monopolies, and prices set by the government. Mixed economies are characterized by corporate profitability, the use of fiscal and monetary policies to stimulate growth, and the existence of a public and private sector.

Explanation:

ater pollutants can be classified as organic pollutants, inorganic pollutants, pathogens, suspended solids, nutrients and agriculture pollutants, thermal, radioactive, and other pollutants.

Answer:

1- Heat -- B. Physical agent

2- Parasitic worm -- F. Pathogen

3- Animal feces -- D. Organic matter

4- Household cleaners (drain-O and bleach) -- E. Organic chemical

5- Light fluid -- D. Organic matter

6- Arsenic -- C. Heavy metal

The natural selection and evolution are not always promoting the development of a better, more perfect species. They only work in making the species able to survive in the changing surroundings.

Natural selection is the phenomenon where the organisms that adapt better to the changing environments are able to survive and live longer. By survival, the phenomenon means the ability to reproduce and produce offspring like its own to maintain the continuity of species.

Evolution is the process of morphological changes that help the species to adapt and survive better. It is a long-term phenomenon that make take generations to appear.

To know more about evolution, here

brainly.com/question/29351017

#SPJ4

Foods which best source of insoluble(nonfermentable) fiber is a)Broccoli.So,correct option is a.

Dietary fiber is the piece of plant-based food that for the most part goes through your stomach related framework without separating or being processed. There are two kinds of fiber:

Soluble fiber breaks down in water, and incorporates plant gelatin and gums. Insoluble fiber doesn't disintegrate in water. It incorporates plant cellulose and hemicellulose.Most plants contain both dissolvable and insoluble fiber, however in various sums. Fiber is a significant piece of a solid eating routine and supports various body frameworks.

As soluble fiber breaks down, it makes a gel that might further develop processing in various ways. Dissolvable fiber might diminish blood cholesterol and sugar. It assists your body with further developing blood glucose control, which can support decreasing your gamble for diabetes.

Insoluble fiber draws in water into your stool, making it gentler and more straightforward to pass with less stress on your entrail. Insoluble fiber can assist with advancing inside wellbeing and consistency. It additionally upholds insulin awareness, and, as solvent fiber, may assist with diminishing your gamble for diabetes.

Hence,correct option is a.

To know more about fiber,visit here:

https://brainly.com/question/29345522

#SPJ4

(Complete question) is:

Which of the following foods is the best source of insoluble (nonfermentable) fiber?

a) Broccoli

b) Kidney beans

c) English muffins made with enriched flour

d) Corn flakes

The origin wants to clone dark feathered birds as dark fathers were more efficient in providing heat and effective fly to the birds.

According to the researchers, darker feathers heated up more quickly than lighter ones and got hotter as well. However, the birds that truly benefited were those with light-colored or white wing feathers close to their bodies and dark or black wing feathers on the remainder of their wings. Therefore, the original intended to clone these birds with dark feathers.

Moreover, the researchers discovered that the temperature of black and white feathers on the same wings varied by as much as nine degrees, which was sufficient to induce a convection current in the air just above the wing that moved from the bird's body outward along the wing. They saw that this increased airflow, which they reasoned increased flying effectiveness.

To know more about feathered birds, refer:

https://brainly.com/question/24169109

#SPJ4

"All of the above" (Option E) are reasons why the human effective population size is smaller than the human census population.

The effective population size is a measure of the number of individuals in a population who contribute offspring to the next generation, while the census population is a count of all individuals in a population, regardless of their reproductive contribution. Non-random mating, unequal contributions to the next generation, and past population bottlenecks can all reduce the effective population size compared to the census population. For example, if a small subset of individuals within a population contributes disproportionately to the next generation, the effective population size would be much smaller than the census population. Similarly, if a population went through a bottleneck event in the past, the effective population size would be smaller as well.

learn more about population size at :

brainly.com/question/30239828

#SPJ4

In a cross of two Pprr organisms, the offspring will all be heterozygous (PpRr). This means that the offspring will have a 50% chance of having white kernels and a 50% chance of having yellow kernels. Therefore, the proportion of offspring with white kernels will be 50%.

White kernels are a type of seed that is produced by certain plants. They are typically smaller and rounder than their yellow counterparts. The white color is caused by the lack of carotenoids in the seed, which are responsible for the yellow color. White kernels are usually used for milling and baking, as they are more flavorful and have a better texture than yellow kernels. White kernels are also more resistant to pests and diseases, making them a popular choice for farmers.

Learn more about White kernells:

https://brainly.com/question/14279670

#SPJ4

The number of organisms at each trophic level in a natural habitat will remain more or less constant from year to year if the habitat is in equilibrium.

What is equilibrium?

A habitat is said to be in equilibrium if there are no major changes to the habitat either by natural forces or anthropogenic forces.

A habitat in equilibrium would be a climax habitat. In other words, it would be a habitat that is no longer in succession. It has reached a relatively stable state.

Thus, the number of organisms at each trophic level will remain the same for many years as long as there are no major modifications to the habitat.

More on climax habitat can be found here: https://brainly.com/question/11163983

#SPJ1

Answer: Simple cuboidal epithelium: This type of epithelium is typically found in glandular (secreting) tissue and kidney tubules.

Explanation:

Answer:

An incinerator is a widely used tool for transforming garbage into inert and non-toxic compounds. It burns garbage at high temperatures, turning it into ash and gases. While the gases are typically cleaned to remove any pollutants before being released into the atmosphere, the ash can be further processed to lessen its toxicity and make it acceptable for disposal. Another choice might be a gasification system, which heats trash at high temperatures in an oxygen-poor atmosphere to create syngas. This syngas can be turned into electricity or utilised as fuel.

A thermal oxidizer is the appropriate response to this query. Industrial equipment called thermal oxidizers is used to convert hazardous waste into inert, non-toxic chemicals.

Heat, oxygen, and a catalyst are used in their operation to transform dangerous substances into innocuous ones. The dangerous material's molecules are broken down by heat, oxygen, and a catalyst, which also speeds up the process.

In order to properly dispose of hazardous waste materials, thermal oxidizers are frequently employed in the chemical, pharmaceutical, and petrochemical sectors.

Additionally, they are utilised in facilities that burn medical waste and when biomass is converted into electricity. Thermal oxidizers are made to guarantee that hazardous items are disposed of properly and safely while minimising the quantity of pollutants discharged into the environment.

Thermal oxidizers can transform trash into inert, non-toxic materials with a high degree of efficiency and economy. They are designed to be used in a variety of applications and are capable of breaking down a wide range of materials. Thermal oxidizers are reliable, durable, and easy to maintain, making them an ideal solution for waste management.

Learn more about  waste management  at:

https://brainly.com/question/30051726

#SPJ2

One of the major forces of evolution identified during the evolutionary synthesis is natural selection. In its simplest definition, natural selection is the process by which certain traits become more or less common in a population over time due to their effect on an organism's ability to survive and reproduce.

For example, consider a population of birds in which some individuals have longer beaks and others have shorter beaks. If a new food source becomes available that can only be reached by birds with longer beaks, then the birds with longer beaks will have a greater chance of surviving and reproducing, passing on their trait to their offspring.

Over time, the proportion of birds with long beaks in the population will increase, while the proportion of birds with short beaks will decrease. This process of natural selection will cause the population to evolve, with longer beaks becoming more common.

To know more about evolutionary synthesis click here:

brainly.com/question/27786613

#SPJ4

The given statement "The maximum amount of gas that can be inspired after a normal tidal expiration is the inspiratory capacity" is true because it is the maximum amount of air which can be inspired.

Lung volumes or the lung capacities basically refer to the volume of the air which is present in the lungs during the different phases of the respiratory cycle. The average total lung capacity of a particular adult human male is about 6 liters of air.

Inspiratory capacity is basically the maximum volume of air which can possibly be inspired after we have reached the end of a normal, quiet expiration. It can be represented as the common abbreviation IC and is basically the sum of the tidal volume or the TV and the inspiratory reserve volume or the IRV.

To know more about inspiratory capacity here

https://brainly.com/question/15201379

#SPJ4

Answer

Yes, we share 99.6 percent of DNA

Explanation

The human genome is mostly the same in all people. But there are variation accounts for about 0.001 percent for each person's DNA and contributes to differences in appearance and health. Closely related people have more similar DNA. (Researched)

The number of possible chromosome combinations in a gametic cell depends on the number of chromosomes and the mechanism of chromosome segregation during meiosis.

In an organism with five pairs of chromosomes, the number of chromosomes in a gametic cell would be half of the number of chromosomes in the organism's diploid cells. That means the gametic cells would have 5 chromosomes.

During meiosis, chromosomes are randomly segregated into the gametic cells, and this process generates unique combinations of chromosomes in each cell. The number of possible combinations of chromosomes in a gametic cell can be calculated using the formula 2^n, where n is the number of chromosomes.

In this case, the number of possible chromosome combinations in a gametic cell would be 2^5, which is equal to 32. Therefore, there are 32 possible combinations of chromosomes that might occur in a gametic cell in an organism with five pairs of chromosomes.

To know more about chromosome combinations, visit the link given below:

https://brainly.com/question/28669787

#SPJ4

Organisms can only split a 6-carbon glucose molecule into two 3-carbon molecules of pyruvate in the absence of oxygen. As we previously observed, glycolysis only produces two

What exactly does glycolysis entail?

A six-carbon sugar called glucose is broken into two atoms of a three-carbon saccharide pyruvate during the process of glycolysis. This multi-step process produces two molecules of free-energy-containing ATP, two molecules of pyruvate, two molecules of high-energy, electron-carrying Nadph, and two water molecules. The process of metabolising glucose is known as glycolysis.

Is oxygen required for glycolysis?

Yet, many anaerobic microorganisms that do not rely on air contain this route since glycolysis does not require oxygen. There are ten steps in glycolysis, and you might be interested in learning about each one individually depending on your hobbies and the classes you're taking.

To know more about glycolysis visit:

https://brainly.com/question/15159050

#SPJ1

Plaques are tiny, confined lesions with a diameter of less than 1 cm that really are elevated and protrude beyond the normal surrounding tissue's surface.

Skin lesions are common and can develop as a result of an accident and other skin damage, like a sunburn. In some circumstances, infections or autoimmune conditions may be an indication of deeper issues. The vast majority of lesions were benign (noncancerous) or safe, but they may potentially be signs of a more serious problem.

Skin growths are removed from your skin via a procedure or treatment called skin lesion removal. It could be necessary to remove a skin lesion if it is excessively large, nasty, or bothersome. If a lesion turns to be cancerous or precancerous, surgery may be required to remove it. Simple skin lesions can usually be treated at a routine doctor's appointment.

To know more about tissue's visit:

https://brainly.com/question/1308129

#SPJ4

Answer:

Saprotrophic bacteria play an important ecological role as decomposers, breaking down dead organic matter and recycling nutrients back into the ecosystem. They help to maintain a balance of nutrients in the environment and facilitate the natural process of decay. By breaking down dead plant and animal material, saprotrophic bacteria provide a source of food and energy for other organisms and help to prevent buildup of excess organic matter, which can lead to environmental problems such as soil or water pollution.

Saprotrophic bacteria play a crucial ecological role in breaking down dead organic matter and recycling nutrients in the environment. Without these bacteria, the balance of nutrients in ecosystems would be disrupted, and the growth and survival of other organisms would be compromised.

Saprotrophic bacteria are a type of microorganisms that play an essential ecological role in breaking down organic matter and recycling nutrients in the environment. They are commonly found in soil, water, and decaying plant and animal matter.

The ecological role of saprotrophic bacteria is to decompose dead organic matter, such as dead plants and animals, and convert them into inorganic compounds, such as carbon dioxide, water, and mineral nutrients. This process of decomposition is known as "saprotrophic decomposition" or "decay." By breaking down organic matter, saprotrophic bacteria release important nutrients like nitrogen, phosphorus, and sulfur back into the environment, making them available for other organisms to use.

The decomposition of organic matter by saprotrophic bacteria also helps to maintain the balance of nutrients in the ecosystem. Nutrient-rich soils support the growth of plants, which, in turn, provide food for herbivores, and eventually for predators at the top of the food chain. Without saprotrophic bacteria, organic matter would accumulate, and nutrients would become locked up, making them unavailable to other organisms.

Saprotrophic bacteria also play an important role in the carbon cycle, as they release carbon dioxide into the atmosphere during the decomposition process. This helps to regulate the balance of atmospheric gases and contributes to the global carbon cycle.

In addition to their ecological role, saprotrophic bacteria have practical applications in industries such as waste management and bioremediation. They can be used to treat organic waste and clean up polluted environments by breaking down contaminants into harmless compounds.

Here you can learn more about Saprotrophic bacteria

https://brainly.com/question/14525681#

#SPJ11

Heterotrophs are most commonly studied in bacteria that grow readily in media containing carbohydrates, proteins, or other complex nutrients such as blood.

A heterotroph is defined as an organism that cannot produce its own food, instead taking nourishment from other sources of organic carbon, mainly plant or animal matter whereas, in the food chain, heterotroph are primary, secondary and tertiary consumers, but not producers.

On the basis of the ingredients, bacteria containing media having carbohydrates, proteins, or other complex nutrients such as blood could support the growth of a heterotroph.

Thus, Heterotrophs are most commonly studied in bacteria that grow readily in media containing carbohydrates, proteins, or other complex nutrients such as blood.

Learn more about Heterotrophs, here:

https://brainly.com/question/11065112

#SPJ1

Negative feedback fail to regulate hormone production can be production of hyposecretion that could be caused by an endocrine gland pathology that prevents negative feedback from working.

One of the many substances produced by the body's glands. Hormones, which circulate in the bloodstream, regulate the actions of specific cells or organs. Some hormones can also be manufactured in a laboratory. Hormones, the body's chemical messengers, communicate with tissues and the bloodstream. Hormones have an impact on a wide range of bodily functions, including growth and development, metabolism (the process by which your body converts food into energy), other function, reproduction, and mood. Hormones influence blood sugar, blood pressure, growth and fertility, metabolism, and even sleep. They have a significant influence on how we think and behave on a daily basis. Hormones are undeniably potent.

Learn more about hormones here:

brainly.com/question/64686

#SPJ4

Organic matter, organic material, or natural organic matter refers to the large source of carbon-based compounds found within natural and engineered, terrestrial, and aquatic environments.

It is matter composed of organic compounds that have come from the feces and remains of organisms such as plants and animals. Organic molecules can also be made by chemical reactions that do not involve life.

Basic structures are created from cellulose, tannin, cutin, and lignin, along with other various proteins, lipids, and carbohydrates. Organic matter is very important in the movement of nutrients in the environment and plays a role in water retention on the surface of the planet.

Organic chemicals make up all living things. When organisms are alive, they emit or excrete organic material into the environment, lose body parts like leaves and roots, and their corpses are decomposed by bacterial and fungi after they die.

Therefore, Organic matter, organic material, or natural organic matter refers to the large source of carbon-based compounds found within natural and engineered, terrestrial, and aquatic environments.

To learn more about Organic matter, refer to the link:

https://brainly.com/question/29232090

#SPJ6

kesonnd

Explanation:

neeee no-good.........

Answer: Ecosystem: is the level organisation best describes the interaction of living organisms with the non-living parts of their environment

Explanation:

An ecosystem consist of all the living things in a particular area together with the abiotic , non-living parts of that environment such as nitrogen in the soil or rain water

To learn more about : "ecosystem"

https://bio.libretexts.org

Lichens are commonly recognized as a symbiotic association of a fungus and a chlorophyll containing partner, either green algae or cyanobacteria, or both.

Different organelles and proteins are needed by eukaryotic cells to carry out various tasks.

A cell cannot function properly without the nucleus, endoplasmic reticulum, Golgi apparatus, lysosomes, and mitochondria, among other organelles. As they make up the structural elements of the cell, aid in the movement of molecules inside the cell, and serve as enzymes to carry out metabolic events, proteins are also required for a cell to operate. Eukaryotic cells can perform a number of biological operations, including DNA replication, protein synthesis, and energy production, thanks to the help of these organelles and proteins.

Eukaryotic cells are those that have a membrane-enclosed nucleus and other organelles. The DNA of these cells is arranged into chromosomes within the nucleus, and they are typically much larger than prokaryotic cells. Eukaryotes are organisms like fungus, mammals, and plants.

For more information on organelles click on

https://brainly.com/question/16601148

#SPJ4

The primary objective of this intervention is to investigate whether Complex Regional Pain Syndrome (CRPS), which is particularly common in the population of distal radius fractures (DRF).

It causes persistent pain and disability in many of its victims two to six years after it first manifests. Three months ago, an open reduction internal fixation of a distal radius fracture was performed on a patient. Two months following the procedure, the patient experienced complex regional pain syndrome.

The client will soon start an 8-week work hardening program and has currently reduced functional use of the dominant upper extremity. Chronic pain known as complex regional pain syndrome (CRPS) typically affects the arm or leg. CRPS frequently occurs following an injury, surgery, or stroke.

Learn more about fracture Visit: brainly.com/question/27854952

#SPJ4

An organism with high fitness in a particular environment can survive as well as reproduce.

The correct option is option A.  

Natural selection is very important in evolution. According to natural selection, only the organisms which have those characteristics which can help them thrive in a particular environment survive whereas the ones which do not have cannot survive and reproduce.

An organism which has high fitness is going to have adaptations that are well suited to their particular environment allowing them survive as well as reproduce. An organism that has low fitness has characteristics which are not well suited to their particular environment meaning they almost will certainly die without reproducing.

To know more about natural selection here

https://brainly.com/question/4075522

#SPJ4

Ecology needs to study the biotic and abiotic elements because it is studying the ecosystem.

Thus, the correct answer is It is studying the ecosystem (D).

Ecology is а brаnch of science, including humаn science, populаtion, community, ecosystem аnd biosphere. Ecology is the study of orgаnisms, the environment аnd how the orgаnisms interаct with eаch other аnd their environment. It is studied аt vаrious levels, such аs orgаnism, populаtion, community, biosphere аnd ecosystem.

Аn ecologist’s primаry goаl is to improve their understаnding of life processes, аdаptаtions аnd hаbitаts, interаctions аnd biodiversity of orgаnisms. The mаin аim of ecology is to understаnd the distribution of biotic аnd аbiotic fаctors of living things in the environment. The biotic аnd аbiotic fаctors include the living аnd non-living fаctors аnd their interаction with the environment.

Your options aren't well arranged, but most probably your options were

A. it is studying a species.

B. it is studying the community.

C. it is studying a population.

D it is studying the ecosystem.

Thus. D is the correct answer.

For more information about ecology refers to the link:

https://brainly.com/question/30429252

#SPJ4