What are the classification categories

Antibodies prevent tetanus as they neutralize the free form of powerful exotoxin produced.

It should be noted that antibodies are the protective proteins that are produced by the immune system.

In this case, antibodies prevent tetanus as they neutralize the free form of powerful exotoxin produced. This is important to fight the infection.

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The CRISPR-Cas9 system can be used to repair a mutation by recombination of the mutated sequence with a construct containing the normal gene.

The CRISPR-Cas9 system is a genome editing tool used to correct in vivo genetic mutations in a cell.

The CRISPR-Cas9 system contains a Cas protein that cuts DNA in a specific region of the genome according to a single guide RNA and thus produces desired genetic modifications.

In conclusion, the CRISPR-Cas9 system can be used to repair a mutation by recombination of the mutated sequence with a construct containing the normal gene.

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Answer:

D. Specialist Species

In the setting of specialized habitats or unique situations, specialized species exist. When those conditions and surroundings change, they must adapt or go extinct, thus they must survive while they still exist.

When compared to generalists, they have the benefit of efficiency, which increases the likelihood of survival and, hence, reproduction within certain settings or situations. The generalists, on the other hand, have the benefit of being able to survive in a larger variety of circumstances and have a higher probability of doing so.

Cactuses, which are plants adapted to dry environments, are an example of specialization. More generalist plant species would typically outcompete cacti in most habitats on Earth, but very few of such species could endure the harsh conditions of a desert.

Extreme environmental conditions, competition for limited resources, and "evolutionary arms races" are some of the pressures that cause specialization. Cheetahs sprint quickly both because their prey moves quickly and because quicker cheetahs will be more effective hunters and more likely to procreate. The advantage of specialization is clear when seen from the standpoint of catching the next meal on a daily basis.

My key argument is that specialization's benefits must always be viewed in the context of the environment that generated the selective pressure that resulted in specialization. Although experts are specialists because they must be, their specializations put them in danger.

The correct answer is (A.) bacteriophages using DNA to infect bacteria.

Explanation

1. In 1952, Alfred Hershey and Martha Chase did experiment to find the genetic material in organisms.

2.Bacteriophages (viruses that affect bacteria) were the key element for Hershey and Chase experiment.

3.In which they concluded DNA as genetic material as bacteriophages use DNA to infect bacteria and not protein.

Biodiversity of an why does the biodiversity of an ecosystem affect its resilience because as there are various plants and animals in community, there is high probability that they have developed traits that help them to survive and adapt in their environment.

Biodiversity refer to population of different or various plants and animals living in an ecosystem each performing their roles in their niche.

Therefore, Biodiversity of an why does the biodiversity of an ecosystem affect its resilience because as there are various plants and animals in community, there is high probability that they have developed traits that help them to survive and adapt in their environment.

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Activation energy is related to exothermic and endothermic reactions because in exothermic reaction activation energy is lower than in endothermic reactions.

Activation energy is defined as the energy that must be overcome for a chemical reaction to take place.

A chemical reaction can either be exothermic or endothermic reactions.

This activation energy is related to exothermic reaction because there is net energy release from the reaction while in the endothermic reaction there is net absorption to energy.

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Answer:

C. isotonic

Two solutions exerting the same osmotic pressure over a semipermeable barrier are said to be in an isotonic solution. Without affecting the concentration of solutes on either side, this condition enables unrestricted passage of water over the membrane.  

The tendency of a fluid, usually water, to pass through a semipermeable membrane into a solution where the solvent concentration is higher, thus equalizing the concentrations of materials on either side of the membrane.

Answer:

Small fragments travel farther than large fragments. A high voltage rate will cause the DNA fragments to move slowly across the gel

According to the research, serotonin is an inhibitory type neurotransmitter that acts in the brain regulating mood, sleep.

It is a neurotransmitter that is produced in the intestines, brain and blood platelets from the synthesis of tryptophan.

This neurotransmitter plays a relevant role in the inhibition and regulation of sleep, appetite, body temperature and anger, for example.

Therefore, we can conclude that according to the research, serotonin is an inhibitory type neurotransmitter that acts in the brain regulating mood, sleep.

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Answer: Myoglobin

Explanation:

Myoglobin is found in muscles cells and supplies oxygen to myocytes.

The statement which is most likely correct about the climate of the three locations is Location 1 and Location 3 are warmer than Location 2. Thus, the correct option is B.

Climate may be defined as the weather situations persisting in an area widespread or over a long period of time.

Climate is highly influenced by elements such as latitude and altitude. In this case, the altitude of location 2 is found to be high as compared to location 1 and location 3, and hence, the climate of location 2 is found to be cooler than location 1 and location 3.

Therefore, it is well described above.

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Answer:

Simple reflex action is not really learned and is automatic and involuntary whereas conditioned reflex action is voluntary and has to be learned.

Explanation:

Answer:

Meiosis is a special type of cell division of germ cells in sexually-reproducing organisms that produces the gametes, such as sperm or egg cells. It involves two rounds of division that ultimately result in four cells with only one copy of each chromosome.

Explanation:

hope it will help you

During the postnatal stage, the various major systems in the body develop at different rates, with the brain reaching full development first, then dentition, then the whole body, and finally the reproductive system. Thus, option "C" is correct.

The postnatal stage-from infancy to childhood to the juvenile period to adolescence to adulthood-involves growth acceleration and deceleration. Childhood and adolescence are long events, in which adult behaviors are learned, individuals become completely mature, and the reproductive capacity develops.

Thus, option "C" is correct.

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Plants living in dry areas face conflict.

EXPLANATION:

Abstract

Plants regularly face dry conditions. Not having enough water poses a serious threat to a plant’s ability to grow and develop or even just survive! If plants die, we will not have enough food to eat! How do plants manage to survive during water shortages? They must somehow be able to sense, respond, and adapt to changes in water availability. They do this through a range of techniques that allow for a plant to combat water shortages. A plant’s structural “armor” helps it to decrease the amount of water it loses to the environment and increase water storage. Plants respond to water shortages in very complex ways. These responses can include changes in the plants’ growth and in their ability to protect themselves against toxic chemicals that accumulate in the plant during dry periods. All of a plant’s responses are directly controlled by the plant’s genes. If we can understand the genes that are involved in protecting plants against drought, in the future we might be able to make genetically modified crops that can tolerate global warming and climate changes.

Have you heard people speaking about global warming and climate change? Do you know what these terms mean? These terms basically imply that the earth is getting hotter every year. These higher temperatures lead to unexpected and unusual weather patterns. One of these extreme weather patterns is frequent and severe droughts. Droughts are very long dry periods without any rain. What do severe droughts mean for plants? Well, plants are sessileAn organism that can’t move and stays in one place, like a plant., which means they stay in one place and can’t move around like we can. They can’t pull up their roots and relocate to a shady or damp spot. Therefore, plants somehow need to deal with these ever-increasing drought conditions, or they will simply die. Remember, plants are our food. We eat plants raw or cooked (those vegetables your mom insists you eat!) or processed, like your favorite box of breakfast cereal [which is made from wheat or maize (corn)]. So, if plants die because of droughts, we will not have enough food to eat!

If there is no water around, what can plants do to survive? Amazingly, all plants seem to have a number of genes for drought-defense strategies encoded in their DNA. Genes are small sections of DNA, like chapters in a book. How they use these genes determines their ability to survive drought.

Some plants are drought-resistant. When we talk about drought-resistant plants, we mean plants that can withstand dry conditions without dying. A drought-resistant plant can survive drought by using three defense strategies: escaping, avoiding or tolerating the loss of water [1]. Drought tolerant plants are quite rare in nature and can endure long periods with no water at all. Some of the most spectacular drought tolerant plants are called resurrection plants. Resurrection plants are able to survive long periods (up to 3 years!) without any water. However, give them a little water and they will spring back to life in a day or two. Other drought-resistant plants may not be as spectacular, but they too can survive short periods of drought using special techniques and defense strategies.

Some Plants Have Special Structures That Help Them to Survive in Drought Conditions

Some plants are able to survive droughts because of their unique structures. These structural features include the external armor of plants that protects them against water loss, as well as tools to help the plants absorb and store water. Drought-resistant plants can be specially adapted to live and survive in very dry environments. These plants often look quite different from plants living in areas where water is easily available. The drought-resistant plants normally have special “avoidance” (one of the defense adaptations!) features to make sure less water is lost to the environment or that more water gets absorbed and stored in the plant. Plants called desert succulentsPlants that have thickened and fleshy leaves and stems, in which water can be stored. are a good example of plants that have drought avoidance strategies [2]. Desert succulents have thick fleshy leaves, which often don’t resemble leaves at all, and they have a thick waxy layer to prevent water loss. Desert succulents also have extensive root systems that search for water under the dry desert soil (Figure 1). Some succulents have specialized roots that form large bulb structures, which are actually underground water reservoirs for the plant. These plants can survive years of drought using the water stored in their bulbs.

Photon energy, Wave Frequency, and Wavelength are represented in the Electromagnetic spectrum. Thus, the correct option is A.

Wavelength may be defined as the space between equivalent points (crests) in the contiguous cycles of a waveform movement propagated in space. It is represented as λ (lambda).

The wave frequency and wavelength are inversely related to one another, while photon energy is directly related to wave frequency, but inversely related to wavelength.

We study the association of all these terms in the unit of the electromagnetic spectrum.

Therefore, it is well described above.

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Among the three germ layers, the endoderm (the most internal layer) is the one that gives rise to liver.

Three embryonic layers are present in the blastoderm after segmentation. One of them is the endoderm, which is located in the interior most region of the embryo.

The endoderm is in charge of producing the Yolk sac, digestive and respiratory systems. It is involved in the formation of the thyroid glands, the thymus, pancreas, organs like the liver, and the structures are responsible for the urination.  

The endoderm is the germ layer that gives rise to liver.

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Ants that have been infected by the Cordyceps fungus exhibit zombie-like behaviors, according to popular culture.

In this particular relationship, one species benefits while the other does not.

Ants and the Cordyceps fungus have a parasitic connection in which the ants become infected and take on the appearance of zombies.

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Answer:

i thing this is answer

Explanation:

i thing so but i am not sure

The primary organ used in the filtration of blood in the body is the kidney.

The kidney is a bean shaped organ that is about the size of a human fist. It is located at the bottom of the rib cage. There are two kidneys in the body, each kidney is located at each side of the spine in the body.

The kidney filters unwanted substances from the blood and pass them out of the body as urine. Blood is filtered in a part of the body known as glomerulus.

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It can trigger symptoms of anxiety ranging from mild sweating or trembling to fainting or a panic attack.

It can trigger symptoms of anxiety ranging from mild sweating or trembling to fainting or a panic attack.Common claustrophobia triggers include small rooms, elevators, closets, MRI scanners, airplanes, and other small or tight spaces.

Answer:

B

both process chromosomes are copied

Asteroids sometimes come very close to Earth and take millions of years to orbit the sun. Thus, the correct options are B and D.

Asteroids may be defined as nominal planets which can neither be classified either as a planet or as a comet that orbit the sun as well as planets.

An asteroid is a name we allocate to the enormous number of small bodies that orbit the sun, here in the internal solar system. These small bodies orbit planets as well as the sun and take a significant time in orbiting.

Therefore, the correct options are B and D.

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DNA, the inheritable Material DNA, deoxyribonucleic acid, is the inheritable material in your cells.

Although DNA is the inheritable material in utmost organisms, in some contagions, RNA is the inheritable material. In fact, according to studies, RNA was the first inheritable material. But, since RNA is unstable, DNA evolved from RNA with chemical variations, making it more stable and more fit to carry inheritable information.

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If Alpa wants to change 0.54 kilometers into a smaller metric unit, she will be required to multiply.

A Metric unit may be defined as a technique of measurement in which the basic units are the meter, the second, and the kilogram. These units are interchanged with one another by using several formulas of conversion.

The complete question is as follows:

Alpha wants to change 0.54 kilometers into a smaller metric unit. She will have to:

Therefore, If Alpa wants to change 0.54 kilometers into a smaller metric unit, she will be required to multiply. Thus, the correct option is A.

For example, In case, if she wants to convert 0.54 into hectometers, then she has to multiply it by 10, that is, 0.54 × 10 = 5.4 hectometers.

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Answer:

Density Independent

Explanation:

Density independent is the factor that will affect a population no matter its size. Temperature, natural disasters, and oxygen levels all influence this.

The correct term to describe the type of limiting factor that causes the destruction of both the small population of trees and the large population of birds in this scenario is "density-independent." Density-independent factors are environmental factors or events that affect populations regardless of their size or density.

Density-independent factors are environmental factors or events that affect populations regardless of their size or density. These factors exert their influence on population dynamics independently of population density. Density-independent factors include natural disasters like earthquakes, floods, hurricanes, and forest fires, as well as extreme weather events, habitat destruction, pollution, and certain diseases.

In this case, the forest fire is an example of a density-independent factor because it can impact both the tree population and bird population regardless of their respective sizes or densities.

Therefore, the correct answer is "density-independent."

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Answer:

grow longer

Explanation:

In a long bone, the epiphyseal is the growing region. In young bones, bone formation occurs in a layer of hyaline cartilage. The epiphyseal plate forms cartilage on the epiphyseal end. Cartilage is calcified on the diaphyseal side, and the diaphysis lengthens.

It starts to grow longer

Answer:

carrying oxygen

Answer:

it could

Explanation:

the recessive genes of the golden fur is still in the gene pool and maybe one black lab has the dominate black fur gene but has the golden recessive gene still accessible. so it could happen