Big cats, such as the Siberian tiger (Panthera tigris altaica) shown here, are one of the most endangered groups of mammals in the world. Based on what you've learned in this chapter, discuss some of the approaches you would use to help preserve them.
The Amur tiger is most at risk from poaching, habitat loss, and illegal ungulate hunting. These animals are the tigers primary prey.
Roads are a significant threat to the Siberian tiger, (Panthera tigris altaica) because they make it easier for poachers to reach protected areas. In order to reduce illegal logging, safeguard habitat, boost prey populations, enhance public awareness, and reinforce anti-poaching efforts, our scientists and experts are collaborating with legislators, businesses, and communities. To lessen the impact of ecotourism, save the habitats of big cats, and maintain their number, it also included developing standards for tiger safaris at tourism motives.
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If you stimulated a sensory neuron electrically, how would that stimulation be perceived?
You will feel the electrical stimulation as if the sensory receptors that regulate those neurons were activated.
Summary:For example, electrical stimulation of sensory neurons controlled by menthol-activated thermoreceptor can be considered as local cooling.
What are thermoreceptor?thermoreceptor are free nerve endings residing in the skin, liver, and skeletal muscle, as well as the hypothalamus, with cold receptors 3.5 times more common than thermoreceptor.
Where do thermoreceptor work?thermoreceptor are specialized proteins on nerve endings under the skin that allow the body to detect changes in hot or cold temperature.
How do thermoreceptor work?The thermoreceptor that responds to capsaicin and other thermogenic chemicals is called TRPV1. In response to heat, the TRPV1 receptor opens passages that allow ions to pass through, causing a feeling of warmth or burning.
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Witch term describes an enzyme
The __________ is the outer layer of the kidney, located just deep to the fibrous capsule.
Answer:
renal cortex
Explanation:
Over time, a group of cells experiences damage to their genetic material. as a result, the cells grow and divide out of control, turning cancerous. according to this information, these cells have?
Over time, a group of cells experiences damage to their genetic material. As a result, the cells grow and divide out of control, turning cancerous. According to this information, these cells have mutated.
We can define cancer as a disease in which certain cells of the body start to grow uncontrollably. These cells also start to invade other body parts hence causing a number of other diseases. There are over 100 more diseases that are linked to cancer.
The initiation of cancer usually occurs when a damaged cell gets mutated, as a result of which its division is not stopped and it begins to grow in an uncontrolled manner. The genetic material of such cells is damaged and hence genes for the repression of cell division are mutated.
Throughout the world, different types of research are taking place for the treatment of cancer. Usually, cancer is curable if it is diagnosed at the earliest stage.
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the term used to describe the fetus’s likelihood of surviving outside of the uterus if born preterm or prematurely is called .
When the preterm baby surviving outside of the uterus called mico preemies.
What happens to a preterm baby ?Babies born premature may more health problems at birth and later in life than babies born later. Premature babies can have long term Intellectual and developmental disabilities and problem with their lungs , brain , eyes and other organs.
When the preterm baby has chances to survive outside the uterus called micro preemies.
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In some animals, females select males as mates based on their ability to ward off infection as indicated by traits that the males possess. This is an example of ________.
This is an example of Sexual Selection.
Fitness in the evolution of a species plays an important role in the survival of the species by successfully producing offspring. For this purpose 'Sexual Selection' plays an important role because it helps the species to determine their mating partners so the traits will be passed on to the next generation.
Most often, the selection is done on the basis of the traits that the mating partner has to offer. Dimorphism and other selected traits help individuals of a species determine the fitness of its potential mates and select a suitable partner. Mostly, this selection is done by the females of that particular species who are more involved in trait compatibility.
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In the absence of infection, what percentage of cells in human blood are leukocytes?
Even while your white blood cells make up only around 1% of your blood, they have a significant impact.
The term "leukocyte" also refers to white blood cells. You are shielded from disease and illness by them.Red blood cells, white blood cells, platelets, and plasma all make up your blood. Think of white blood cells as your body's defense mechanisms. They are, in a sense, constantly at war. They circulate through your bloodstream to fend off bacteria, viruses, and other harmful foreign invaders. White blood cells rush to the scene when your body is in crisis and a specific location is being attacked in order to assist in destroying the pathogen and avert sickness.The bone marrow produces white blood cells. They are kept in the lymph and blood tissues of your body. Your bone marrow constantly produces white blood cells since some of them have a short lifespan of just one to three days.Learn more about the leukocytes with the help of the given link:
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even though it has "harmful" phenotypic effects, the "sickle cell" allele hasa relatively high frequency in sub-saharan africa compared to other parts of the world because of its ability to block the effects of malaria. this is an example of:
The scientists observed an increased frequency of the HbS allele in regions with a high incidence of malaria. This is because people with the sickle cell allele have a selective advantage in areas where there is a high incidence of malaria.
What is Sickle cell anemia ?An genetic condition where the red blood cells do not persist as long as normal red blood cells, have an irregular crescent form, and obstruct small blood vessels
A sickle cell gene deficiency is the root of sickle cell disease (SCD). Two sickle cell genes, one from each parent, are present in sickle cell disease patients at birth. Sickle cell trait refers to having one sickle cell gene from birth.A person with mild sickle cell disease might not have any effects on their daily life. However, the illness may be severe enough to materially affect a person's life. Strokes, severe infections, and lung issues are just a few of the health issues it can cause, some of which can be fatal.Learn more about Sickle cell anemia here:
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Which element has four electrons that are available to form strong bonds,
making it crucial for building large
biomolecules?
A. Sulfur
B. Oxygen
C. Hydrogen
D. Carbon
SUBMIT
Answer:
Carbon: is the correct answer for that question.
The two regulatory mechanisms (controls) of the digestive system are _________ and __________
The two regulatory mechanisms (controls) of the digestive system are neural and endocrine.
Our digestive system is regulated by the brain and endocrine systems.
The reflex actions or responses such as satiety and hunger are controlled by the brain while the secretion of hormones is controlled and regulated by the endocrine system of the body.
In addition to this, it also regulates the flow of enzymes in the digestive tract which are necessary for the digestion of food and other substances.
Both neural reflexes and hormones regulate the activities of this system.
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What is a chromosome
Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
Chromosomes are not visible in the cell’s nucleus—not even under a microscope—when the cell is not dividing. However, the DNA that makes up chromosomes becomes more tightly packed during cell division and is then visible under a microscope. Most of what researchers know about chromosomes was learned by observing chromosomes during cell division.
Each chromosome has a constriction point called the centromere, which divides the chromosome into two sections, or “arms.” The short arm of the chromosome is labeled the “p arm.” The long arm of the chromosome is labeled the “q arm.” The location of the centromere on each chromosome gives the chromosome its characteristic shape, and can be used to help describe the location of specific genes.
Enzymatic activity that changes a medication into a less active form is an example of?
Enzymatic activity that changes a medication into a less active form is an example of pharmacokinetics.
The study of pharmacokinetics explains how the body processes medications. Pharmacodynamics studies the physiological effects of medications. The transfer of a chemical from a region of higher concentration to one of lower concentration is known as diffusion. The movement of a chemical against a concentration or gradient is known as active transport.
The study of how the body reacts to drugs provided over the course of exposure is known as pharmacokinetics (PK) (medications for the sake of this article). This is closely related to pharmacodynamics, which closely investigates the drug's impact on the body, but it differs from it in important ways.
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design and in vitro haemolytic evaluation of cryptolepine hydrochloride-loaded gelatine nanoparticles as a novel approach for the treatment of malaria
Cryptolepine hydrochloride-loaded gelatine nanoparticles were produced and characterized as a means of studying formulation techniques to enhance the pharmaceutic profile of the compound. Cryptolepine hydrochloride-loaded gelatine-type (A) nanoparticles were designed base on the double desolvation approach.
What stands for Malaria disease?
Malaria is one of many diseases in the tropics which mankind have so far died to eradicate. It is forced by the plasmodium parasites of which one species, the Plasmodium falciparum is believed deadly. The main direction to malaria management is chemotherapy with antimalarial medications most of which have become ineffective (1), driving the need for newer agents as well as enhancing the effectiveness of existing ones through formulation techniques.
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What do these images model?
OA atoms
OB. compounds
OC. elements
O D.mixtures
Answer:
A The answer is which is a which is Atoms
What effect would you expect if you depolarized the neurons in the VTA (see Concept 48.3)? Explain.
Depolarization should start action potentials that release dopamine from the VTA neurons if it raises the membrane potential to or over threshold.
What happens when depolarization in the neurons occur?When a stimulus reaches a resting neuron, depolarization happens. The gated sodium ion channels on the membrane of the neuron rapidly open during the depolarization phase,
Allowing sodium ions (Na⁺) that are present outside the membrane to rush into the cell.
The voltage-gated sodium ion channels that were open throughout the depolarization process in the cell close once more after depolarization.
Therefore, ventral tegmental area (VTA) is affected by depolarized in the neurons.
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A client is diagnosed with peptic ulcer due to h. pylori. the nurse would anticipate administering which agent in conjunction with an antibiotic?
The nurse would anticipate administering omeprazole in conjunction with an antibiotic for peptic ulcer due to H. Pylori infection.
Helicobacter pylori (H.pylori) is a gram-negative bacteria that is usually found in your stomach. It attacks the mucus lining of the stomach and causes damage. After the mucus lining is damaged enough, the HCl produced by the stomach enters the lining and causes sores or ulcers. This is referred to as H.pylori infection.
H. Pylori infection can lead to internal bleeding of the stomach that may be life-threatening. Other symptoms include nausea, vomiting, red, black stools, stomach pain, bloating, etc. Gastrointestinal endoscopy, CT scans, or upper Gastrointestinal Tests are usually done to diagnose the infection.
The treatment may include the use of medicines that kill the bacteria, reduces the HCl in the stomach, and prohibit HCl secretion. Antibiotics like amoxicillin, tetracycline, metronidazole, etc can be used to kill the bacteria. Omeprazole, esomeprazole, pantoprazole, etc can be used to reduce the amount of HCl. Cimetidine, Zantac 360, etc can be used to block histamine that triggers the stomach to release HCl.
The nurse when administering omeprazole with an antibiotic aims reduce the amount of HCl in the stomach as well as to kill the bacteria that causes the H. Pylori infection in the stomach.
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Bacteria as a group are incredibly metabolically diverse, but individual species are often highly specialized to reduce competition in their natural environment. This results in these species being unculturable because?.
It results in these species being unculturable because their growth may depend on factors provided by other organisms in their natural environment.
Growth factors are specialized nutrients that certain species need but others do not. They may be byproducts of the metabolism of other organisms and are thus not available in a lab setting.
And while some media may include poisons due to the media itself or the water used to create it, it is still feasible to modify recipes to suit picky microorganisms.
Although bacteria as a whole have a remarkably varied range of metabolic processes, many species are highly specialized to lessen competition in their native habitats.
Because their growth may be dependent on essential growth elements supplied by other creatures in their natural habitat, it renders these species uncultivable.
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why is fructose a major benefit of our daily life
Answer: Fructose is a natural sugar present in fruits, fruit juices, certain vegetables, and honey. In these forms, fructose sugars can be part of a nutritious diet.
However, fructose is also a component of high fructose corn syrup, which manufacturers make from corn starch and add to foods such as sodas and candies. These foods are less nutritious, but a person can eat them in moderation.
Researchers are studying the links between high fructose foods and obesity, diabetes, and even some cancers. However, some evidence indicates that fructose is not necessarily a public health concern when a person consumes it in moderation.
Provide another example of a homeotic gene mutation that leads to organs being produced in the wrong place (see Concept 18.4).
Answer:
to organs
Explanation:
You are exploring kidney function in kangaroo rats. You measure urine volume and osmolarity, as well as the amount of chloride Cl⁻ and urea in the urine. If the water source provided to the animals were switched from tap water to a 2% NaCl solution, what change in urine osmolarity would you expect? How would you determine if this change was more likely due to a change in the excretion of Cl⁻ or urea?
When NaCl solution is given to the animal, this will cause a high concentration of NaCl in the body. In response, the kidneys will excrete the excess to restore the balance. The osmolarity of the urine will therefore have a higher concentration of NaCl. This could be determined by a urine test for urea or chloride.
The quantity of dissolved particles per unit of water in the urine is measured by its osmolality. Urine osmolality, a more reliable indicator of urine concentration than specific gravity, aids in the diagnosis of renal diseases affecting urinary concentration and dilution as well as the evaluation of hydration status. 500 to 800 mOsm/L is considered typical.
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The excel feature that generates and extends values into adjacent cells based on the values of selected cells is?
Autofill is the excel feature that generates and extends values into adjacent cells based on the values of selected cells.
What is Microsoft excel?A piece of software developed by Microsoft that employs formulae and functions to arrange data and numbers using spreadsheets. Financial analysis is performed by companies of all sizes using Excel analysis, which is widely used worldwide.
Excel is frequently used for data organization and financial analysis. It is utilized by businesses of all sizes and in all business operations. Numerous features, formulae, and shortcuts are built into the Excel software application, which may be utilized to increase its usefulness.
Therefore, the auto fill is the excel feature that generates and extends values into adjacent cells based on the values of selected cells.
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In multiple sclerosis (from the Greek skleros, hard), a person's myelin sheaths harden and deteriorate. How would this affect nervous system function?
The hardening of the myelin sheath can result in loss of insulation along with disruption of action potential propagation along axons.
What is multiple sclerosis?It is possible for multiple sclerosis (MS) to disable the spinal cord and brain (central nervous system).
Myelin, the protective coating that protects nerve fibers, is attacked by the immune system in MS, which impairs brain-to-body communication. The condition may eventually result in nerve degeneration or irreversible impairment.
Therefore, hardening of the myelin sheath would result in loss of insulation and disruption of action potential propagation along axons.
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Explain how the sun's unequal heating of Earth's surface leads to the development of deserts around 30^{\circ} north and south of the equator.
A substance's temperature is a gauge of its molecular energy. They move more as the temperature rises.
The primary factor regulating the Earth's surface temperature is solar heating, which begins to operate at dawn and ends at nightfall. The surface heats up during the normal day and cools down at night. This is not always the case since occasionally warm or cold air will travel across the surface during unexpected wind events. The air above is heated or cooled as a result of changes in surface temperature, which causes air movement (wind). In the tropics, temperature causes water to evaporate, lifting warm, humid air to the sky. Over the tropics, the ascending air cools and releases a large amount of its water as rain. As the dry air continues to descend, it does so at an angle of about 30 degrees north and south, creating deserts in those areas.Learn more about the Earth's temperature with the help of the given link:
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the testis-specific proteasome subunit prosa6t of drosophila melanogaster is required for individualization and nuclear maturation during spermatogenesis
The testis-specific proteasome subunit prosa6t of drosophila melanogaster is required for individualization and nuclear maturation during spermatogenesis melanogaster is required.
In eukaryotes, the 26S proteasome is responsible for the majority of controlled proteolysis. An end-cap regulatory particle and a catalytic core particle make up this big, multisubunit complex. A third of the 32 proteasome subunits discovered in Drosophila contain isoforms that are unique to the testis and are encoded by paralogous genes. Here, we characterise the Prosalpha6 (Pros35) core particle subunit and its Prosalpha6T testis-specific variant in detail during spermatogenic expression. Using transgenes with the GFP tag, it is demonstrated that the testis-specific Prosalpha6T becomes prominent in spermatid nuclei and cytoplasm after meiosis and persists in mature sperm, in contrast to the Prosalpha6 subunit, which is expressed in the early stages of spermatogenesis before gradually disappearing after meiosis.To learn more about spermatogenesis.
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Why do high and low levels of disturbance usually reduce species diversity? Why does an intermediate level of disturbance promote species diversity?
The answers include the following;
High levels of disturbance are disruptive and they eliminate many species from communities resulting in the community being dominated by a few tolerant species. Low levels of disturbance permit competitively dominant species to exclude other species from the community.What is Disturbance?These refers to changes in environmental conditions which results in pronounced changes in an ecosystem.
An intermediate level of disturbance promote species diversity because it leads to the species thriving at both early and late successional stages thereby making it the correct choice.
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Bird that migrates from its arctic breeding grounds to antarctica, covering over 25,000 miles.
Arctic terns are the birds that migrates from its arctic breeding grounds to Antarctica, covering over 25,000 miles.
Temperature variations in the polar regions are less pronounced than in other parts of the world. The number of daylight hours varies greatly in different places, though. The Arctic and Antarctica receive about 24 hours of sunlight in the summer. Wintertime is nearly completely dark. Terns move south in quest of the summer sun. Birds can see fish or insects more clearly because sunlight makes the ground and ocean's surface more visible. The sea is typically calmer during the summer, which makes it easier for birds to fly.
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The process of aerobic cellular respiration breaks down a glucose molecule in order to generate a large number of atp molecules. What type of pathway is this?.
The process of aerobic cellular respiration that breaks down glucose molecules to generate a large number of ATP molecules is a catabolic pathway.
The process of aerobic cellular respiration breaks down a glucose molecule to generate energy in the form of ATP. Aerobic cellular respiration is the process of catabolism, in the presence of oxygen, of converting nutrients into carbon dioxide, water, and energy. It uses the electron or active transport system for its mechanism. Most eukaryotes and prokaryotes use aerobic respiration to obtain energy from glucose. One molecule of glucose can produce 36 units of ATP.
Aerobic respiration involves three main stages: glycolysis, citric acid cycle, and oxidative phosphorylation. Glycolysis refers to the breakdown of glucose into pyruvate. Pyruvate then is converted to acetyl coenzyme A (CoA) through Kreb's cycle. Acetyl CoA then undergoes oxidative phosphorylation to produce 36 molecules of ATP.
Catabolism refers to the destruction of macromolecules into, smaller and absorbable molecules, macromolecules. As aerobic respiration involves breaking down glucose to obtain ATP, it is referred to as a catabolic pathway.
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which citation is correct: group of answer choices smith argued that rainy days are important for the ecosystem (smith and jones, 2020). smith
Correct citation is a study provided important insight into the rainy weather are important for the ecosystem.
The author's last name and the year of publication are used in APA in-text citations. Include the page number when using direct quotations, as in the following example Use a paragraph number for sources like websites and e-books that lack page numbers.Photosynthesis is how energy enters the system and is absorbed by plant tissue. Animals play a significant part in the transfer of materials and energy through the system by eating plants and one another. They also have an impact on the biomass levels of the microbial and plant communities. In addition to facilitating nutrient cycling by transforming nutrients held in dead biomass back into a form that can be easily utilised by plants and microorganisms.To learn more about ecosystem.
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Which organelle is
responsible for transporting
proteins the cell makes to be
processed, shipped out,
and/or used?
organelle is responsible for transporting proteins the cell makes to be
processed, shipped out by golgi appratus
Proteins obtained from the ER are further processed and sorted in the Golgi apparatus, or Golgi complex, where they are eventually transported to lysosomes, the plasma membrane, or secretion. As was already mentioned, the Golgi apparatus also produces sphingomyelin and glycolipids. The complex polysaccharides that make up the cell wall are also created in plant cells at the Golgi apparatus. The extensive range of cellular components that go down the secretory pathway are thus processed by the Golgi apparatus.
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