When several signaling channels that regulate cellular activities converge on the same molecular target, there are benefits as well as drawbacks.
The organism here saves energy by not having to synthesis the components for separate pathways, but there is a chance that the cell will react incorrectly to input.
The term "signaling route" refers to a set of chemical interactions in which a number of chemicals in a cell cooperate to regulate a cell function, such as growth, differentiation, metabolism, or cell division or death.
Four things are necessary for a signaling pathway to function: the initial signal, the receptor that binds the signal, the signaling molecule or molecules that relay the message, and the effector or effectors that cause a temporary or permanent change in cellular structure.
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In which type of columnar epithelia are the nuclei not aligned at the basal end of the cell?
Pseudostratified columnar epithelia are the nuclei not aligned at the basal end of the cell.
The pseudostratified columnar epithelium is the tissue of cells composed of a single layer in direct contact with the basement membrane. The location of nuclei in the cells gives it a pseudo-appearance. Hence, it is called the pseudostratified columnar epithelium. The nuclei in these cells are located near the base of the cell and not at the base of the cell called the basal end of the cell.
An epithelium tissue is composed of epithelium cells packed closely with each other and remain attached to the basement membrane. They have cell junctions at the fusion points. The position of nuclei in a cell determines the striations in a layer. The nuclei in pseudostratified columnar epithelia are placed at different sites in a cell that gives it a striated appearance.
If the nuclei are aligned at the base of the cell, the layer doesn't appear striated. But the nuclei in pseudostratified columnar epithelia are arranged in a way that the cells appear to be of varying heights. This means that the nuclei in pseudostratified columnar epithelia are not aligned at the basal end of the cell.
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Carbohydrates located on the outside of the plasma membrane form a sugar coating known as the ________, that help protect the cell from mechanical damage.
Answer:
Glycocalyx
Explanation:
If you eat a carbohydrate-rich meal your body will move the excess glucose out of your blood to store it as_____, through a process known as _____. *
If you eat a carbohydrate-rich meal your body will move the excess glucose out of your blood to store it as Glycogen , through a process known as Glycogenesis .
The first step in the multi-step process of glycogenesis, also known as glycogen synthesis, is the conversion of glucose to glucose-6-phosphate by hexokinase or the liver isoform of hexokinase, known as glucokinase. The addition of a phosphate group confines glucose inside the cell, making this process crucial. When glucose molecules are added to chains of glycogen for storage, the process is known as glycogenesis.The liver and the Cori cycle's resting phases both trigger this process, and insulin's response to high blood glucose levels also triggers it.Glycogenesis is the process by which glucose is converted into glycogen, the major carbohydrate stored in animal liver and muscle cells. When blood glucose levels are high enough to allow for the storage of extra glucose in the liver and muscle cells.learn more about glycogenesis here: https://brainly.com/question/3245151
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Write a paragraph that describes the distribution of clover in the microclimates of Long Island
using the terms variation, adaptation, natural selection, and evolution. Be sure to fully describe each
of these terms in your detailed paragraph.
The urban microclimate is a climate change that raises the local temperature, differentiating it from the climatic conditions of the region, in Long Island the climate variations are great, mainly due to the great impact of human-made anthropization, it is necessary to adapt plants and animals are of extreme importance, in this case the natural selection of an ecological bubble of animals, plants and microorganisms.
What are the types of microclimates?The microclimate can be divided into as many classes as there are types of surfaces, but generally speaking, microclimates are considered:
urban microclimates vegetation microclimates.Whit this information we can conclude that We can highlight as the main characteristics of the urban microclimate: Altered temperatures when compared to neighboring areas, that is, a certain place in the city may have higher or lower temperatures. Air humidity can also be higher or lower when compared to nearby locations.
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The __________ , on the posterior thorax, are roughly triangular in shape. They have no direct attachment to the axial skeleton but are held in place by trunk muscles.
The scapulae, on the posterior thorax, are roughly triangular in shape. They have no attachment to the axial skeleton but are held in place by trunk muscles.
The bone that connects the clavicle (the collar bone) with the humerus (the upper arm bone) is the scapula (in plural, scapulae), or shoulder blades. The word 'scapular' originates from a Latin word meaning 'trowel' or 'shovel', because of its resemblance to a shovel.
The scapula is a triangular shaped bone that can be found posterior (at the back) to the thorax. Although they are not attached directly to the axial skeleton, they are necessary for the smooth motion of the upper extremity and several other motions associated with daily living, for example, shrugging of the shoulders. The pectoral girdle and chest muscles assist with the protraction and retraction and retraction of the scapula. It is also essential to the stability of the shoulder point as a whole.
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When we drink water, we feel good
because water helps move nutrients
to our what?
A blood
B. cells
C waste
Answer:
B. Cells
Explanation:
It's the answer
What will happen to a salt
if attraction between a solute-solvent is equal to
the attraction of solute-solute
will it be soluble or insoluble or remain the same ?
12
Where is the greatest concentration of PCBs found in a food chain?
F
producers
G
primary consumers
H
secondary consumers
J
tertiary consumers
The largest concentrations of PCBs are found in the bodies of predators at the top of the food chain or nearby (such as birds and fish).
In the food chain, what is PCB?Polychlorinated biphenyls (PCBs) and dioxins are hazardous substances that linger in the environment and build up in the food chain. Since the 1970s, their prevalence in the environment in Europe has decreased as a result of coordinated efforts by government agencies and business.
Food, which accounts for over 90% of exposure in people and has the highest amounts in fish (such as salmon and shellfish), dairy products (particularly milk and butter), and animal fat, accumulates PCBs in organisms through the food chain.
Polychlorinated biphenyls, or PCBs, are dangerous industrial substances.
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The substances which yield the most energy per unit of weight
are
a Carbohydrates
b Lipids
c Proteins
d Sugars
Answer:
Carbohydrate
Explanation:
I think it will be right.
What types of materials require a vesicle for export or a food vacuole for import?
Macromolecules or large particles are carried across the cell membrane via vesicles or other intracellular structures. Pinocytosis and efflux are the two types of vesicle transport.
How does a vesicle leave the cell with its cargo?Exocytosis is the process by which cells move components from within the cell to the extracellular fluid. Exocytosis occurs when a vesicle's plasma membrane fuses with it, expelling its contents outside the cell.
The Golgi, also known as the Golgi complex, is a flattening, layered organelle that looks like a stack of pancakes. The Golgi body modifies and packages proteins and carbohydrates into lattice vesicles for "exportation" from the cell.
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in an experiment, the *BLANK* is the section that tells us the steps we need to take to run the experiment. A procedure. B Materials. C. Hypothesis. D Data
________ transmit pain that is sharp, nonchronic, and well localized. a. a-delta fibers b. b-delta fibers c. c-fibers d. d-fibers please select the best answer from the choices provided a b c d
Answer:delta a fibers
Explanation: A
State the law of germs.
The law germs states that germs can cause to diseases.
Germs are also known as microorganisms.
This law is known as the law of germ theory. When germs, pathogens or microorganisms invade our body system, it causes diseases.
Diseases such as cholera are caused by germs
What are germs?Germs simply refers to microscopic organisms or microorganisms which causes diseases to both plants and animals.
Generally, microorganisms are so small such that they cannot be viewed about with our ordinary eyes, we can only view them using sophisticated instrument known as microscope.
So therefore, the law germs states that germs can cause to diseases.
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Fertilization refers to the process of:
Fertilization refers to the process of two gametes of opposite sex uniting (option C).
What is fertilization?Fertilization is the process whereby the male gamete unites with the female gamete to form a zygote.
In sexually reproducing organisms, the male organism of a species produces a gamete called sperm cell while the female organism produces egg or ova.
Therefore, it can be said that fertilization refers to the process of two gametes of opposite sex (male and female) uniting.
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How a cellular structure of a white blood cells differs from the cellular structure of prokaryotes
Prokaryotic cells lack a nucleus and contain genetic material that is free to circulate about the cell, whereas eukaryotic cells have an unique nucleus that holds the cell's genetic material.
How do bacterial and eukaryotic cells differ in size and structure?A prokaryotic cell and a eukaryotic cell both have cytoplasm, ribosomes, and a plasma membrane. However, eukaryotic cells are frequently bigger than prokaryotic cells, contain a genuine nucleus (meaning that its DNA is enclosed by a membrane), and have extra membrane-bound organelles that allow effective compartmentalization.
The difference between bacterial and eukaryotic cells is the nucleus. Prokaryotic cells lack true nuclei, and only eukaryotic cells have organelles that are attached to membranes.
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How does sitting close to a large window in the winter (especially if it is after dark) affect your thermal comfort?
The nearby air is cooled by the cold window surfaces. Warmer air is subsequently displaced by the cooler air that then descends and is cooled by the window, and so on.
How does thermal comfort change with air temperature?Moving air can enhance heat loss by convection in warm or humid circumstances without changing the air's temperature. Air velocity may be adjusted to take a person's degree of physical activity into consideration as physical activity increases air movement.
How can I make my home more comfortable in the heat?Some potential options to improve thermal comfort while also reducing energy use include thick or well-insulated walls, appropriate apertures, screening systems, and outdoor areas (like courtyards) that give shade and natural ventilation.
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Anthropologists begin to understand the adaptability of the human brain by studying.
Anthropologists study the brain of human by tracing the evolution of our lineage through the time in fossil record.
What is the anthropogical understanding of adaptation?Organisms respond to environmental challenges through a process called adaptation. In order to achieve personal objectives, human adaptation includes the interaction of biology and culture. The ability of humans to live in a wide variety of ecological niches makes them the most adaptable species on earth.
By tracing the evolution of our lineage through time in fossil record and provide a comparative perspective on human uniqueness by placing our species in the context that is how they studied the human brain.
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What is true regarding fat? fat is used for energy if glucose is not available. fat is used for healthy skin and hair. fat is used for vitamin absorption. all are correct
The correct option is (d) all are true.
Your body needs dietary fats for energy and to sustain healthy cell function. They also aid in maintaining body temperature and organ protection.
Consuming fatty foods is undoubtedly a component of a healthy diet. Use liquid, non-tropical plant oils, low- or non-fat dairy products instead of full-fat varieties, and lean meat or poultry if you consume meat. Additionally, keep in mind that you should balance the number of calories you consume from all sources with the number of calories you expend through exercise. Fat is utilized by the body as a source of energy. The body will break down fat and use the resultant ketones for energy if glucose is not readily accessible.Lustrous skin and hairVitamin assimilation A, D, E, and K are examples of fat-soluble vitamins.Insulation for organs and maintains body temperature.Learn more about the fats with the help of the given link:
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Select the correct answer from each drop-down menu.
humans and mice is almost 92% similar. This similarity indicates that
Mice have a tail, while humans have a tailbone. The tailbone is a
structure in humans.
homologous structure
Explanation:
similar physical features in organisms that share common ancestor
please help me with this
Staphylococci are cocci that form clusters. The correct option is B.
What is Staphylococci?Staphylococci are gram-positive bacteria, and they are facultative or anaerobic bacteria. They are spherical shaped, and they are found in grapes-like clusters.
They are present in the skin of the human being, generally in the nose area, and they cause no harm to people. But they cause minor skin infections sometimes.
They are thus present in the form of clusters or branches of grapes-like structures.
Thus, the correct option is B. cocci, which creates clusters.
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Which statements accurately describe osmosis? Check all that apply.
The first, fourth, and fifth statements accurately describe osmosis.
The net movement of solvent molecules through a semipermeable membrane is known as osmosis. Since the movement is downward and goes from greater to lower concentration, it is comparable to diffusion. However, in osmosis, the movement must take place through a membrane that is semipermeable or selectively permeable. It cannot be referred to as osmosis without this component.
Osmosis is about the net movement of the solvent molecules (not the solute), whereas diffusion is frequently depicted as the net movement of solutes between two solutions (solvent such as water molecules). The water must migrate in order to equalise the concentrations of the two areas due to the different concentrations of water molecules on the two sides of the membrane.
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How would you distinguish pseudostratified columnar epithelium from all other tissues?.
Psuedo functions mostly absorption and filteration processes.
What is the advantage of psuedostratified epithelium?
The lungs are shielded from these irritants by the existence of pseudostratified columnar epithelium in the upper respiratory tract, which is made up of the nose, trachea, and bronchi. To capture particles and stop them from moving farther down the respiratory passages, the epithelium's goblet cells release mucus.
The psuedostratified has too many layers and it is made up of columnar epithelial tissue.
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Does Science or Technology solves problems in order to understand the natural world.
Identify the articulation site that allows us to rotate our head, e. G. Shaking the head "no".
The atlas and axis form the atlanto axial joint which allows head rotation.
What are the type of articulation?The amount of movement that different articulations permit as well as the nature of their structures varies. The three categories of synarthrosis, amphiarthrosis, and diarthrosis are used to categorize joints based on their function, or how much movement they permit.
The site where articulation occur is
atlanto axial joint which allows head rotation. If you shake say no that is head rotation . The atlanto axial joint is a compound synovial joint.
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One of the first symptoms of an influenza virus infecting the respiratory system is an accumulation of fluid in the ____________ .
One of the first symptoms of an influenza virus infecting the respiratory system is an accumulation of fluid in the lungs.
The body generally creates a little fluid to aid the lungs in producing a productive cough when fighting respiratory illnesses such as influenza virus. However, recent studies indicate that the influenza virus may tilt the scales in favor of too much fluid in the lungs, impairing oxygen delivery to the rest of the body.
Although this research demonstrates that the virus does not cause all of the harm to a sick individual, an immune response is ultimately required to eradicate the infection. According to the study, which was carried out in mice, the fluid accumulation deep inside the lungs may really contribute to the death of a person who has the flu.
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Sarah performs an experiment to determine the effect of nitrogen on plants. She studies the effect of nitrogen on the growth of the root hair, height of the plants, and nodule formation.which factor is an independent variable
The answer that is accurate is (a) Amount of Nitrogen.
The amount of nitrogen Sarah administers in this situation is an independent variable because it is not influenced by any other variables. However, the amount of nitrogen a plant receives affects its height as well as the development of nodules and roots. To guarantee that energy is available when and where the plant needs it to maximize output, nitrogen plays a crucial role within the plant. Even the roots contain this essential vitamin because proteins and enzymes control water and nutrient intake. Actually, the most crucial element for promoting plant growth is nitrogen. The chlorophyll molecule, which gives plants their green color, contains nitrogen. Nitrogen also plays a role in the plant's ability to produce nourishment.learn more about Nitrogen here: https://brainly.com/question/11483365
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In your opinion do you think attitude or qualities of a person would help in performing one's role effectively? Why? Cite and example that support your answer.
Pls help I really need this now.
Answer:
Ability to learn. Every organization has a specific set of knowledge that every employee will need to acquire to be successful at their job. ...
2) Conscientiousness. ...
3) Interpersonal skills. ...
4) Adaptability. ...
5) Integrity.
You decide to conduct a genetic analysis of these mutant lines by crossing each with a pure-breeding wild-type line. the numbers in the f2 indicate the number of progeny in each phenotypic class.
The following represents the type of mutant allele:
Forked: The mutant allele is dominant to its corresponding wild-type allele. Twisted: The mutant allele is neither totally dominant nor completely recessive to its corresponding wild-type allele.Pale: Neither the mutant allele nor its corresponding wild type allele is dominant or recessive.Is an allele dominant or recessive?An allele cannot be "dominant" or "recessive" by definition. These phrases instead describe the interaction between two alleles. A heterozygote is used to assess this relationship since it has one dominant allele and one recessive allele, with the dominant allele determining the phenotype of the heterozygote.The phenotypes of some heterozygotes fall somewhere between those of the two homozygotes. Because neither allele is totally dominant over the other, this scenario is the result of partial dominance.How does genetic analysis work?the examination of a DNA sample to search for mutations (changes) that could impact a person's susceptibility to a disease or how they respond to therapy.What techniques are used in genetic analysis?Cytogenetic testing, biochemical testing, and molecular testing are the three main types of genetic testing that can be used to identify anomalies in DNA sequence, protein function, and chromosome structure, respectively. Tests for cytogenetics.What can we learn from genetic analysis?A DNA test, often known as genetic testing, is a type of medical examination that can spot changes to your genes, chromosomes, or proteins. These mutations can reveal whether you have a genetic disorder or not. DNA tests can also determine your likelihood of contracting a certain disease or passing on a genetic disorder.To learn more about genetic analysis visit:
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observation when chlorine water and potassium chloride solution mix
There is no visible reaction when chlorine water and potassium chloride solution are mixed.
What is a displacement reaction?We know that a displacement reaction occurs when on atom or group of atoms in a compound is replaced by another atom or group of atoms. The reason why one ion could displace another from its aqueous solution is that the ions that is displacing another is higher in the electrochemical series.
In this case, a displacement does not occur because we are reacting chlorine water with potassium chloride solution. We can not see any kind of sign that a reaction has occurred.
Hence, we could conclude that there is no visible reaction when chlorine water and potassium chloride solution are mixed.
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why are large numbers of mitochondria and golgi apparatus found in mucus secreting cells?
Mucus production and secretion are specialized functions of goblet cells. Their characteristic goblet, cup-like shape created by the mucin granules that fill the cytoplasm earned them their name.
The canaliculi grow when secreted juice fills them whenever the cell is vigorously secreting. These cells also include many of mitochondria, which supply the ATP energy needed for the secretion process. The macromolecules are given different chemical groups inside the Golgi body to guarantee that they travel to the right place. Each macromolecule that enters the Golgi body is given a address in this fashion. For instance, mucus is secreted by goblet cells, which line the intestine.
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