A child complains that she is unable to flex her hip or straighten her knee after she had an appendectomy. Which nerve may have been anesthetized during the surgery?

The cluster of cells in the ovule of a fertilized flowering plant that has not yet formed into an embryo is called a proembryo.

It is a structure that is developed after the egg is segmented and the formation of the true embryo is yet to take place.

After the egg and the sperm nuclei are fertilized, the apical and basal cells are formed after cell division. The cell division is asymmetrical in the case of monocot and transverse in the case of divots.

Apical cells turn into the proembryo and eventually the embryo. This development is supported by the suspensor cells from the basal cells.

Therefore, the cluster of cells in the ovule of a fertilized flowering plant that has not yet formed into an embryo is called a proembryo.

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A scientific explanation for a set of observations that can be tested and is written with an "if/then" statement is referred to as hypothesis and is denoted as option B.

This is defined as the proposed explanation for a particular phenomenon before several experiments are conducted by others in different parts of the world to confirm its authenticity.

It employs the use of words such as "if/then" which shows its unproven status which is therefore the reason why it was chosen as the most appropriate choice.

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Answer:

hBacteria were first classified as plants constituting the class Schizomycetes, which along with the Schizophyceae (blue green algae/Cyanobacteria) formed the phylum Schizophyta.

In taxonomy, a phylum is a group of organisms above classes, orders, families, genera, and species, but below domains and kingdoms. In addition to Mollusca, Chordata, and Arthropoda, there are many other types of phyla.

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The hearing assessment tasks used on a person with a hearing loss can include presentation of Tympanometry.

Tympanometry is the first tests you take and associated for measuring the action of your eardrum when air pressure is introduced into the ear. Auditory Brainstem Response (ABR) ABR is a method also used to measure hearing sensitivity and determine if the neural pathways within the brainstem are transmitting sound properly. This test is used to rule out auditory-neurological problems. There are three main types of hearing loss conductive, sensorineural, and mixed (both conductive and sensorineural). Causes of hearing loss may include stress, excessive exercise, medication, poor diet and allergies.

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Mitotic apparatus is formed during prometaphase/metaphase of cell division.

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A heterozygous person that has one disease allele and one normal allele is referred to as a hybrid.

Different versions of a gene are called alleles. Alleles are described as either dominant or recessive depending on their associated traits.

A heterozygous individual is a diploid organism with two alleles, each of a different type. Individuals with alleles of the same type are known as homozygous individuals. An allele is a variation of a gene that affects the functionality of the protein produced by the gene.

There can be many alleles in a population, but a heterozygous individual can only have two of them because every diploid organism receives one allele from each parent. Although each organism can have only two alleles, there can be many, many variations of a gene present in a population.

Heterozygous is a description of the genotype, or combination of alleles present in an organism. The genotype gives rise to the phenotype. Depending on the different relationships between alleles, different phenotypes are created in a heterozygous individual.

In alleles that show complete dominance, the heterozygous phenotype will be the same as the dominant phenotype. Incomplete dominance, in contrast, produces a heterozygous phenotype that is somewhere between the dominant and recessive phenotypes. A third type of relationship, codominance, exists when the different alleles are expressed individually, in different parts of the body.

In a codominant trait, the heterozygous individuals will show the phenotype of one allele on some parts of their body, and the phenotype for the other allele in different parts of the body.

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Morphological character such as leaf, node density , bud number,etc. change in many plant species in response to factor such as light availability , soil compaction and organic matter removal.

Vegetative and reproductive characteristics are the two systems  are common to nearly all vascular plants and provide a unifying theme for the study of plants morphology. It is important for the role to identifying plants, classification is also done by knowing the morphology of the plants.

Morphology is to identify plants using morphological characteristics. Plants can be identifies by observing certain distinguishing morphological characteristics but some plants are closely relatable , by which it shown by the similarity of their flower structures.

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The risk of recurrence of a trait based on known incidence in a population refers to the empiric risk.

Disorder present in a family member will reoccur in other family member after some period of time.

Cancers are very difficult to treat so it has high rate of recurrence such as leukemia it has 9% to 29% recurrence rate depending upon risk.

The recurrence chance for Down syndrome is nearly 1%.

The chance of recurrence risk in future offspring is 3% - 5% if a parent or sibling is affected with a disorder.

Therefore,the risk of recurrence of a trait based on known incidence in a population refers to empiric risk.

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A nucleotide is the building block of nucleic acids. The three parts of a nucleotide include a nitrogenous base, a pentose sugar and a phosphate group.

An important difference between ribonucleotide and deoxyribonucleotide is that the ribonucleotide is the precursor molecule of RNA while the deoxyribonucleotide is the precursor molecule of DNA.

Additionally, a ribonucleotide contains a ribose sugar while a deoxyribose sugar is present in a deoxyribonucleotide. Ribonucleotides also have a hydroxyl group on the 2' -position in the ribose.

There are two types of nitrogenous bases- Purines (Adenine and Guanine) and Pyrimidines (Cytosine, Uracil and Thymine). Cytosine is common for both DNA and RNA and Thymine is present in DNA. Uracil is present in RNA at the place of Thymine.

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Children tend to grow more slowly and so become smaller in low SES settings, according to studies from numerous nations.

Food allergies, iron deficiency, tooth decay and constipation are common nutritional problems of preschoolers.

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The hand-piece tip should be positioned at 80 degree angle to the buccal or oral surface and 90 degree angle to the occlusion surface of the posterior teeth.Tip should be held 3-4 mm from the surface.o

Air polishing involves the use of compressed air, water and glycerin power to disrupt oral biofilm and remove stain from tooth surfaces. Air polishing is essential t avoid trauma to oral soft tissues.

The surface of tooth  which is called  enamel is strong enough to withstand repeated tooth polishing , it avoid newly erupted teeth exposed root surface and area of decriminalized. If polishing does occur on these surface, fluid therapy can minimize the risk of dental case.

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The more molecules that share the responsibility of conveying the signal to activate the effector, the faster and more efficiently the signal can propagate.

What is signal tranduction?

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Oxygen and nutrients from the mother's blood are transferred across the placenta to the fetus through the umbilical cord. This enriched blood flows through the umbilical vein toward the baby's liver. There it moves through a shunt called the ductus venosus. This allows some of the blood to go to the liver.

A small amount of the blood continues on to the lungs. Most of this blood is shunted through the ductus arteriosus to the descending aorta. This blood then enters the umbilical arteries and flows into the placenta. The oxygen rich blood then returns to the fetus via the third vessel in the umbilical cord (umbilical vein). The oxygen rich blood that enters the fetus passes through the fetal liver and enters the right side of the heart.

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When a microbe that is not part of the normal biota enters the body, it is likely to first encounter first line of host defense.

The term "normal microbiota" describes the microorganisms that are present in every human's conjunctiva, oral mucosa, skin's surface and deeper layers, saliva, and gastrointestinal tracts. The host employs a number of defences to defend against infection.

Mucus, which has a variety of normal microbiota that compete with and may even destroy invasive bacteria and virae, is one of the body's first lines of defence.Once a virus or bacteria penetrates the skin and mucosa, the host may experience changes that lessen the invader's power. A fever is one instance of such a shift.

Therefore, When a microbe that is not part of the normal biota enters the body, it is likely to first encounter first line of host defense.

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Answer:

c transcription reverse

What kind of coffee requires less pesticides, so in turn is better for insects and birds that live on the plantations? Organic or sun grown coffee

Coffee is a brewed beverage made from coffee beans, which are the seeds of berries produced by specific flowering plants belonging to the Coffea genus. Unroasted green coffee is created by separating the coffee fruit's seeds, which results in a stable, uncooked product. After being roasted, the seeds are crushed into tiny particles and used to make roasted coffee, which is commonly soaked in hot water before being filtered out to create a cup of coffee.

Due mostly to the caffeine it contains, coffee is dark in color, bitter, slightly acidic, and has a stimulating impact on people.

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E-coli bacteria which most useful in the routine monitoring of microbial pollution are gram negative rods and this is common indicator organism of water contamination.

It is important to identify enteric bacteria which is one of the major causes of diarrhea disease is bacteria and that detection of pathogenic bacteria is a global key to the prevention and identification of food borne diseases and enteric infections like diarrhea.

The extent of water  contamination can be measured using these indicator organisms. This fecal coli-form group has been used as the most common indicator of general wastewater contamination because they are abundant and easy to identify.

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A function of the cell structure that it provides support to labeled x .

What is the function of cell?

What is cell structure and function?

3 Major Functions of a Cell -

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Answer: B

Explanation:

It provides support.

For lactic acid fermentation, the correct options are:

For ethanol fermentation, the correct options are:

Anaerobic respiration is respiration which occurs in the absence of oxygen.

Oxygen is used as an electron acceptor during respiration. However, when oxygen is absent or insufficient, other molecules are used as electron acceptors in order to produce energy.

Anaerobic respiration in large organisms may result in the formation of lactate known as lactic acid fermentation.

In lactic acid fermentation, after glycolysis, the two pyruvate molecules receive hydrogen atoms from NADH creating lactic acid. Lactic acid can be converted back into pyruvate in the liver. The pyruvate can then enter into the mitochondria and cellular respiration, can proceed.

On the other hand, anaerobic respiration in microorganisms produce ethanol and is known as ethanol fermentation.

After glycolysis, the two pyruvate molecules lose a CO₂ atom, creating acetyl CoA. The acetyl CoA atom combines with hydrogen to form acetaldehyde. Acetaldehyde receives a hydrogen atom from NADH, resulting in the production of ethanol.

In conclusion, anaerobic respiration can occur either as a lactate fermentation or ethanol fermentation.

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A special group of chemical substances that are used to treat diseases caused by microbes are called antibiotics.

An antibiotic is a chemical compound that is toxic to other bacteria and is produced by a living thing, usually a bacterium. In a complex environment like soil, organisms undoubtedly use antibiotics to regulate the growth of competing microbes. Soil microorganisms frequently produce antibiotics.

Bacteria and fungi are microorganisms that produce antibiotics that help prevent or treat disease. With the invention of penicillin in 1941, antibiotics gained widespread recognition. Since then, they have fundamentally changed how bacterial infections in humans and other animals are treated.

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Hi! Your answer is below! I made it as brief as I could.

There are many definitions, meanings, and interpretations for the word "environment," which is frequently used. What is meant by the word "environment"? In common usage, the word "environment" might simply mean "nature" to some people, which refers to the natural environment and all of its non-human qualities, traits, and processes. For those individuals, the concept of the environment is frequently strongly tied to ideas of wilderness and pristine landscapes that have not been affected by human activity, or have only been minimally affected. For some others, however, the term "environment" also contains certain human components. Many individuals would consider pastoral and agricultural landscapes to be a component of the environment, while others are even more comprehensive and believe that the environment includes all features of the earth's surface, including metropolitan regions. Therefore, in common usage, the concept of the "environment" is linked to a variety of assumptions and attitudes that are frequently unsaid but may be firmly held. All of these applications, however, share a common underlying presumption: that humans and the "environment" have some sort of relationship. As a result, the environment serves as the "backdrop" to different aspects of human history, including the habitats and resources that people use, the "hinterland" that surrounds habitations, and the "wilderness" that people have not yet tamed or subjugated.

The word "environment" simply means "surroundings" (environs) in its most basic meaning, therefore any other entity that a person, object, element, or system is surrounded by is considered a part of that entity's environment. Individuals, things, components, and systems, however, seldom live in isolation in reality; rather, they frequently engage in a variety of interactions with the entities around them. Therefore, conceptualizing the "environment" without incorporating some sort of relational idea is not especially helpful. People, things, elements, and systems all have an impact on and are in turn affected by their environment. In certain instances, the networks of connections between various entities may be enormous and extremely complicated. As a result, the "environment" may be thought of as a "space" or "field" where networks of connections, interactions, and relationships between entities take place. Such a conceptualization will be recognizable to individuals who have studied ecology because ecologists are interested in both the biotic (living) and abiotic (non-living) components of environmental systems, particularly their interactions. In reality, the terms "environment" and "ecosystem," which refer to a community of interacting species and their physical surroundings, are sometimes used synonymously in ecological contexts. Since many environmental problems have resulted from the disruption or degradation of one environmental system as a result of changes made to another, whether unintentionally or on purpose, the idea of interconnectedness is crucial to environmental science and management.

The environment is made up of all things, both living and nonliving, that affect people. It is essential to the operation of our daily life. There was the environment/nature and its magnificent species even before there was a human home. Every species, whether on land or in the sea, coexisted peacefully. There was unrest following the start of human civilization and industry. Humans started using the environment as a tool to achieve goals without thinking about the consequences of their actions or the respect they should have for the supporter of life on Earth.

Here are a few justifications on why the environment is crucial:

Thank you,

Eddie

Answer: A animal cell

Explanation:

The statement ' oxygen passes through the bronchi, into bronchioles , and into alveoli is the best describe its path as it reaches the tissues in the body.

There, it diffuses into red blood cells within capillaries and is transported to the tissues cells of the body. The oxygen moves from the alveoli to the blood through capillaries lining the alveolar walls. In human body, oxygen present in the air and reaches to lungs through upper and lower respiratory tract. Air first enters the body through the nasal and oral cavity and many other region and finally reaches the lungs.

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A parasitic fungus that attacks rye plants produces a structure called an Ergot.

Ergot is a fungus that grows on rye and less commonly on other grasses such as wheat. Parasitic fungi that live on plants are called phytopathogenic fungi. The first obvious sign of ergot infection is appearance of 'honeydew', a sticky yellow sugary solution consisting of host sap and conidia between the affected glumes of the rye. Ergotism is a form of poisoning from ingesting grains, typically rye, that have been infected by the ascomycete fungus Claviceps purpurate. Ergotism has no antidote, so treatment involves removing the animals from the source of the ergot and alleviating the symptoms.

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Energy that is released from glucose during respiration but not transferred to atp bonds can be detected as heat.

Cellular respiration is the process by which biological fuels are oxidized in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy, which in turn drives the bulk production of ATP. This takes place in the presence of an inorganic electron acceptor such as oxygen.

The release of energy from the breakdown of food molecules, such as glucose, is referred to as cellular respiration. This process is carried out by individual cells. The process is analogous to burning, even though it does not result in the production of light or strong heat like a bonfire does.

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Answer:

in chloroplasts

Explanation:

Answer:

The answer is :

B or

in chloroplasts

Explanation:

I got it right on edgu 2022

In the embryonic stage, the brain begins to undergo rapid development, which causes the head to represent about 50 percent of the total length of the embryo.

This is regarded as an early stage of development in multicellular organisms  and is characterized by an organism which is undergoing development in the egg or uterus of the females.

The brain which is a vital organ and components of the central nervous system develops rapidly so as to enable coordination of different activities. This is therefore the reason why it is necessary for it to fully develop first before other parts as it also contains rich network of neurons necessary for its reaction to different types of stimuli.

In this stage, the brain represents about fifty percent of the total length of the embryo when  observed.

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Answer:

i know only one

Explanation:

rhizobium foun in the root of legumonus plant like pea and this help to plant grow

rhizobim convert nitrogen into nitrates during thunderstorm

According to a study that compared the brains of adults at various ages, from the forties through the seventies - growth of dendrites decreased.

Dendrites are fine finger like cells which present at the end of the neuron. It has short brunching fibers and receive inputs from a neuron. Almost 5-7 dendrites are present in a neuron. The main growth of dendrites happens before 40, after 40 the growth rate decreases and become more minimal by ageing.

Axons are part of dendrite so by decreasing the number of dendrites the number of axons are also decreased but the volume increases. Neurons accumulate damaged mitochondria, impaired and aggregated proteins and create oxidative stress.

So from the above discussion we can say that the growth of dendrites decreases in the adults at various ages, from the forties through the seventies.

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Maintaining osmolarity is important to the body because the membranes of most cell types are freely permeable to water.

Water can pass through the membrane easily by a process like diffusion called as Osmosis.

The cell wall is freely permeable to water and nutrients since these are easily exchanged by the inner and the outer environment of the cell.

Osmolarity of the body is defined as the measure of substances that can be dissolved. If excess concentration is present then, osmolarity is also high.

Osmolarity of body increases whenever we are lacking water i.e. dehydrated and similarly osmolarity decreases when we have excess fluid in the blood.

Osmolarity increase causes a release of Anti diuretic hormones i.e. they control water level in the body. Osmosis play a vital role in the functioning of the reactions that are carried out in the body.

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