If a level of a chemical in the blood was too low, the body would use _____ feedback mechanisms to raise the level back to normal, thus lessening the deviation from the set point.

Answer:

There is no cartilage but there is epithelium

Explanation:

The pharynx of the human respiratory system does not contain cartilage.

The pharynx,  part of the human respiratory system, is a muscular tube that connects the nasal cavity and mouth to the larynx and esophagus. It serves as a passage for  air and food. The gorge is made up of several regions, each with its own distinctive features.

The nasopharynx, the top part of the throat, contains no cartilage. Instead, it is lined with pseudostratified ciliated  epithelium.This special epithelium helps to trap and transport mucus along with any particles or pathogens in the digestive system for elimination.

These regions also lack cartilage but  are lined with  stratified squamous epithelium. This type of epithelium provides protection from mechanical stress and potential abrasion caused by the passage of food and other substances down the pharynx.

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Answer:

A

Explanation:

i hope thia helps and sorry if yoy get it wrong! ^w^

People with diabetes have a hard time keeping a balance blood-glucose level because they don’t synthesize any insulin hormone, to help shuttle glucose into cells when there is a need. Thus, the correct option is A.

Diabetes may be defined as a type of metabolic disease that is characterized by elevated levels of blood glucose (or blood sugar).

The body of individuals with this type of chronic disease does not regulate the amount of glucose (a type of sugar) in the blood and the kidneys construct a large amount of urine.

This whole abnormal circumstance takes place when the body does not synthesize enough insulin hormone that helps in the regulation of elevated blood glucose levels by transforming it into other forms such as glycogen.

Therefore, people with diabetes have a hard time keeping a balance blood-glucose level because they don’t synthesize any insulin hormone, to help shuttle glucose into cells when there is a need. Thus, the correct option is A.

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The correct answer is ATP releases energy as a phosphate bond is broken.

ATP (adenosine triphosphate) is converted into ADP (adenosine diphosphate) when a phosphate group is removed from ATP, resulting in the release of energy. This process is known as hydrolysis, where water molecules are used to break the bond between the terminal phosphate group and the rest of the molecule.

During cellular metabolism, ATP serves as the primary energy currency of the cell. When energy is required for various cellular processes, the phosphate bond in ATP is broken by an enzyme called ATPase. This enzymatic hydrolysis reaction cleaves off one of the phosphate groups, resulting in the formation of ADP and an inorganic phosphate molecule (Pi). The released phosphate group is then available to be used in other cellular reactions.

The conversion of ATP to ADP is an essential part of energy metabolism in cells. The energy released during this process is utilized to drive various cellular activities, such as muscle contraction, active transport of molecules across cell membranes, and synthesis of macromolecules. Once ATP is converted to ADP, it can be further hydrolyzed to AMP (adenosine monophosphate) if more energy is needed. Ultimately, the energy stored in ATP is released when the phosphate bond is broken, allowing cells to perform their vital functions.

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Answer:

False.

Explanation:

Scientific advances have led to increased energy efficiency and waste reduction. Scientific research has led to the development of new technologies and methods that have improved energy efficiency and reduced waste in various industries and sectors. For example, the development of renewable energy technologies like wind and solar power has significantly reduced our reliance on fossil fuels and reduced greenhouse gas emissions. Additionally, advances in materials science and manufacturing processes have led to the creation of more efficient appliances, vehicles, and buildings that consume less energy and produce less waste. Overall, scientific advances have been crucial in helping us address pressing environmental issues and create a more sustainable future.

Most articles pass right through the atom, this means that most of the atom is an empty space.

An atom is described as a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.

Protons and neutrons make up the core nucleus of an atom, which is encircled by an electron cloud. In relation to the size of the atom as a whole, the nucleus is exceedingly small.

As a result, the electrons surrounding the nucleus are the primary target of interactions when particles or even light pass through an atom. The majority of the atom's remaining space, which includes the nucleus, is vacant.

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Answer:

The answer is meiosis 1 in Mother, meiosis 1 in father and meiosis 2 in father.

Explanation:

During meiosis, if an haploid sperm fertilizes an haploid egg that has gone through nondisjunction, there is a possibility that the offsprings genotype will by Aaa.

Also in an haploid sperm ferlilizes egg that has gone through nondisjunction in meiosis 2, the offsprings might have AAA genotype.

This is because During meiosis I, homologous chromosomes separate. If nondisjunction occurs in meiosis 1, the two homologous chromosomes move into the same daughter cell and not different daughter cells.

If this occur in the mother, both X chromosomes will all be in one cell, and there will be no X chromosome in the other cell.

If this happens in the father, both the X and Y chromosome will also be in one cell, and there will be no sex chromosome in the other cell. In this cases it is possible for a parent not to give a sex chromosome to a child and if this occur it can result in Turner syndrome with the child having XO.

During meiosis 2,sister chromatids separate. If nondisjunction happens, the two sister chromatids will move into the same daughter cell, instead of different daughter cells.

If this happens in the mother, two identical copies of an X chromosome will be in one cell, and there will not be X chromosome in the other cell and also If this happens in the father, non of the two identical copies of the X chromosome will be in one cell, with no sex chromosome in the other cell or two identical copies of the Y chromosome later be in a single cell, and there will not be sex chromosome in the other cell. In this cases it is possible for a parent not to give a sex chromosome to a child and if this occur it can result in Turner syndrome with the child having XO

The nervous system's basic unit is a neuron. The cell body, dendrites, and axon make it up.

Cell Body (Soma): The cell body contains the nucleus and other neuron-essential components. It integrates and sends dendritic signals.

Dendrites: These branches receive input from other neurons or sensory receptors. They receive neuronal impulses as key input locations.

Axon: The long, thin axon conducts electrical signals from the cell body. The fatty myelin coating insulates and transmits signals. Axon terminals or synaptic terminals connect with other neurons or target cells through synapses.

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Fragmentation is a form of asexual reproduction and is seen in annelids, fungi, cyanobacteria, sponges, and flatworms.

In Fragmentation, an organism divides itself into a number of fragments. It occurs when an organism completely breaks down independently irrespective of the other parts. Each one of these fragments matures into fully grown adults that are clones of the original organism.

Asexual reproduction usually involves the participation of a single parent alone can produce new offspring. The newly produced individual is genetically identical to one another and its parent. Both multicellular and unicellular organisms divide by fragmentation which is asexual reproduction.

Fragmentation is the most common method of reproduction in lower invertebrates. It is seen in many organisms including filamentous cyanobacteria, algae, lichens, molds, many plants, and animals such as flatworms,  annelid worms, sponges, and sea stars.

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The organisms that can reproduce by fragmentation are Option d Sponges and Sea anemones.

Fragmentation is a form of asexual reproduction in which an organism breaks into two or more fragments, and each fragment develops into a new individual. Both sponges and sea anemones are examples of organisms that exhibit this mode of reproduction.

Sponges are simple multicellular animals that lack true tissues and organs. They possess a porous body structure, and when a sponge is fragmented, each fragment has the potential to develop into a new sponge through regeneration. These fragments contain specialized cells called archaeocytes that can differentiate into various cell types required for the formation of a new sponge.

Sea anemones, on the other hand, are marine animals belonging to the phylum Cnidaria. They have a cylindrical body with tentacles surrounding their mouth. When a sea anemone is fragmented, each piece can regenerate into a complete individual. The process involves the differentiation of cells within the fragments, leading to the development of new tentacles, body parts, and eventually a mature sea anemone.

Both sponges and sea anemones have remarkable regenerative abilities, allowing them to reproduce through fragmentation. This form of asexual reproduction enables them to colonize new areas, expand their population, and adapt to changing environmental conditions. Therefore the correct option is D

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The Question was Incomplete, Find the full content below :

The organisms which can reproduce by fragmentation are:

(a) Corals and Sponges

(b) Corals and Spirogyra

(c) Sea anemone and Spirogyra

(d) Sponges and Sea anemones.

Answer: P(p and f) = 0.23

Explanation: The frequency of a specific trait is also the probability of that trait appearing in that population. So:

Probability of purple pollen cones: P(p) = 0.34

Probability of four needles per fascicle: P(f) = 0.67

Using multiplication rule:

P(p and f) = P(p)*P(f)

P(p and f) = 0.34*0.67

P(p and f) = 0.23

The probability of having both purple and four needles is 0.23

Answer:

mhhhhhhhhhhhhhhhhhhhhhh

Explanation:

,,,,,hjgggggggggggggv

Answer:

all of the above they all work together

Answer: I belevs it is d hope this helps

Explanation:

Answer:

Loss in drinking water

Answer:

A

Explanation:

All organisms do cellular respiration as it is essential for life.

Answer:

cellular respiration

Explanation:

In a diploid plant species, the proportion of progeny expected to be tall and produce round fruit is 32%.

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One of the  evidence that  supports the importance of the ocean in the water cycle is evaporation.

The ocean plays a critical role in the water cycle, and there is a range of evidence to support this statement, including:

In summary, the ocean is a critical component of the water cycle, and its role in the cycle is supported by numerous lines of evidence. Without the ocean, the water cycle would be greatly disrupted, with potentially catastrophic consequences for the earth's ecosystems and climate.

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Answer:

Vitreous humor does not replenish while aqueous humor does.

Explanation:

Answer:

Homologous Chromosomes.

Explanation:

Answer:

Explain two ways that all youth can idenblases in the media

Answer (in English):

Both Spring and Neap tides occur twice each month. Spring tides occur twice each lunar month all year not regarding what season it is. Neap tides, which also occur twice a month, occur when the sun and moon are at right angles of each other.

En Espanol:

Tanto las mareas vivas como las mareas muertas ocurren dos veces al mes. Las mareas de primavera ocurren dos veces cada mes lunar durante todo el año sin importar en qué estación se encuentre. Las mareas muertas, que también ocurren dos veces al mes, ocurren cuando el sol y la luna están en ángulos rectos entre sí.

Most neurons are permanent cells, however olfactory neurons are neurons that are constantly being replaced.

Neurons are cells of the nervous system, which conducts nerve impulses. Neurons consist of an axon and several dendrites and are connected by synapses.

Permanent cells are defined as cells that are unable to replicate in postnatal life. Nervous cells, also termed neurons, together with skeletal muscle and cardiac cells, are included in this group, which traditionally identifies the human tissues that are incapable of spontaneous regeneration.

The olfactory mucosa consists of a layer of columnar epithelium, surrounding millions of olfactory neurons, which are the only neurons to communicate with the external environment and undergo constant replacement.

Therefore, it can be said that olfactory neurons undergo constant replacement unlike every other neuron that are permanent cells.

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Answer:

C

Explanation:

took the test

Temperature regulation is the human condition chosen for this project. The human body must maintain a core body temperature of around 37°C, despite environmental temperature changes. The following information answers the questions:

Factors that can shift the body temperature include exposure to hot or cold environments, fever, and physical activity.

The organ systems involved in the homeostasis process of temperature regulation are the nervous and endocrine systems, as well as the integumentary (skin), cardiovascular, and respiratory systems.

Negative feedback is used to maintain temperature homeostasis. For example, when the body temperature rises, the hypothalamus signals the sweat glands to secrete sweat, which cools the skin and lowers the body temperature.

The stimulus is the change in body temperature, the receptor is the thermoreceptor in the skin or hypothalamus, the integrating center is the hypothalamus, the effector is the sweat glands or muscles, and the response is sweating or shivering.

Strategies to help maintain temperature balance include wearing appropriate clothing, using heating or cooling devices, and maintaining physical fitness through exercise.

Sources:

Guyton and Hall Textbook of Medical Physiology, 13th edition

Saladin Anatomy and Physiology, 8th edition

Tortora and Derrickson Principles of Anatomy and Physiology, 15th edition

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The Naegleria gruberi cells underwent dramatic changes over the 90-minute time period, where they transformed from elongated amoeboid cells to round-shaped cysts.

This transformation is a common survival mechanism employed by many free-living amoebae, including Naegleria species, to overcome adverse environmental conditions such as nutrient depletion or desiccation.

The change in Naegleria gruberi poses a problem for phylogenetic reconstruction of microbial eukaryotes because it can lead to incorrect classifications of organisms. This is because phylogenetic trees are often constructed based on certain genetic markers or characteristics of organisms, but if the same organism undergoes drastic changes in its morphology or physiology, it may be mistakenly classified as a separate species.

Therefore, it is essential to consider the environmental conditions and life cycle stages of organisms before drawing any conclusions about their evolutionary relationships.

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Answer:

true

Explanation:

An air mass acquires its characteristics from the region over which it forms, called its source region. ... Cold air masses tend to flow toward the equator, and warm air masses tend to flow toward the poles. This movement of air masses brings heat to cold area