According to prompt 1, the 2 body systems namely circulatory system and respiratory system works together to maintain homeostasis. All body systems must be in a condition of balance for the body to survive and work properly (homeostasis).
How is homeostasis in cold maintained by the respiratory and circulatory systems working together?To keep the body in a balanced state, the circulatory system and respiratory systems collaborate. Gases are transferred into and out of the blood by the respiratory system. All regions of the body receive blood thanks to the circulatory system. Metabolic heat production (shivering) is promoted below the thermoneutral zone, while heat loss via evaporation begins above the zone (sweating). Vasoconstriction brought on by cold raises blood viscosity and blood pressure while decreasing plasma volume, increasing cardiac effort. In order to preserve homeostasis, the human body releases extra heat through exhale. Body heat warms the air before it enters the lungs and is expelled. This cools the body along with the evaporation of sweat from the sweat glands.
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what blood disorder is characterized by a lack of oxygen reaching the body's cells? a.) anemia b.) septicemia c.) toxemia d.) leukemia
The correct option is a.) anemia i.e. blood disorder is characterized by a lack of oxygen reaching the body's cells.
Anemia: Your body feels chilly, exhausted, and weak because your blood does not carry enough oxygen. Your body loses more blood cells than it can make, leading to blood loss. Damage to your bone marrow, which is where red blood cells are made, results from a bone marrow condition (leukemia, lymphoma).Blood is a bodily fluid found in the circulatory systems of humans and other animals that carries metabolic waste products away from the cells as well as vital nutrients and oxygen to the cells. Peripheral blood and the blood cells it contains, peripheral blood cells, are terms used to describe the blood in the circulatory system.To know more about anemia
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Based on the karyotype below, what disorder does this individual have?
A. Turner’s syndrome; 45 chromosomes; X0
B. Kleinfelter syndrome; 47 chromosomes; XXY
C. Down syndrome; 47 chromosomes; trisomy 21
D. Patau syndrome; 47 chromosomes; trisomy 13
The type of disorder illustrated in the karyotype above is Klinefelter syndrome; 47 chromosomes, XXY (option B).
What is Klinefelter syndrome?Klinefelter syndrome is a genetic condition in which a person (male) is born with two X chromosomes and one Y chromosome i.e. the male has an extra X chromosome.
The chromosomal disorder observed in individuals with Klinefelter syndrome is known as aneuploidy, which is the state of possessing a chromosome number that is not an exact multiple of the haploid number of the organism in question.
According to the karyotype shown in the above image, there is an extra chromosome added to the normal chromosome pair of 23, making the total number of chromosomes add up to 47 instead of 46.
Therefore, option B is the correct representation of the karyotype.
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a population is . question 38 options: a group of individuals of several interacting species that live in one area a group of individuals of a single species that live and interact in one area the sum of all individuals of a species in all locations a group of individuals of several interacting species that interact in multiple ecosystems a group of cells that have similar function
A population is a group of individuals from the same species who live and interact in the same area.
A population's health and behaviour are determined by how individuals interact with one another and with their surroundings. The community is made up of many such populations that interact with one another.
The ecosystem is made up of the biotic community and the abiotic environment. And a biome develops as a result of similar climatic conditions in a region; these regions are typically large, encompassing many continents. It can be thought of as a collection of various ecosystems. An ecosystem is a geographical area in which plants, animals, and other organisms, as well as weather and landscapes, coexist to form a life bubble.
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If a scientist wanted to determine if a forest environment had been polluted, which group of organisms typically would be the best indicator for the presence of pollutants?.
Amphibians would have been the best indicator of pollutants if a scientists wanted to determine if a forest environment had been polluted.
Amphibians are the vertebrates animals belonging to the phylum Chordata. These are ectothermic and four-limbed animals. These organisms need water or moist environment to complete their life cycle. They are good indicators of pollutants because they are highly sensitive to chemical changes in the environment.
Pollutants are the agents that cause disturbing effects in the environment called pollution. The pollution causes harmful effects upon the living organisms. The examples of pollutants are: Ozone, particulate matter, sulfur dioxide, etc.
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what is the difference between the closed conformation and open conformation of chromatin packing? biology
The shape of chromatin, which can be either open (euchromatin) or compact (heterochromatin), is dynamically regulated during the phases of the cell cycle is the two types of conformations.
The main distinction between conformation and configuration is that whereas the configurations of the same molecule do not easily interconvert, their conformations do.With a predefined location in the nucleus and a certain form, such as metacentric, submetacentric, acrocentric, or telocentric, chromosomes are primarily heterochromatic in this stage.All DNA-mediated processes, including gene regulation, can be significantly impacted by the degree of nucleosomal packaging. While heterochromatin (tight or closed chromatin) is more compact and resistant to factors that need to access the DNA template, euchromatin (loose or open chromatin) structure is permissible for transcription.
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in the human ear, how do different hair cells respond to different frequencies of sound?
The basilar membrane vibrates in specific locations in response to particular frequencies because its stiffness varies.
What are cells referred to as?All living things are constructed mostly from cells. They provide the body structure, absorb nutrients from meals, transform those to energy, and perform certain tasks.
What are cells and why are they important?All living creatures, from bacteria to people, depend on their cells for structure and functionality. They are viewed as the tiniest form of life by scientists. The biological machinery needed to produce the proteins, chemicals, & signals vital to every bodily function is housed within cells.
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Experiments with genetically altered mice showed that the mice would consume abnormally high amounts of bitter-tasting compounds in water after their _____.
Sweet taste cells were modified to express bitter taste receptors, suggesting that the sensation of sweetness depends solely on which taste cell is competent.
we investigated the effect of prolonged exposure to a bitter substance on recognition and aversion behavior in mice. Combined measures of rejection thresholds (RjT) and apparent recognition thresholds (aRcT) were performed using short-access two-bottle choice tests before and after taste aversion conditioning, respectively. First, RjT was higher than aRcT for the bitter amino acids L-tryptophan and L-isoleucine, which mice measure daily in their diet, indicating strong acceptance of these familiar stimuli within the concentration range between RjT and aRcT.
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A Picture Says It!
18. Explain what this image represents regarding where your entire DNA code can be found.
Answer:
This picture implies that your DNA is in every nucleus in every cell in your body.
Explanation:
That is why there are lines pointing to every cell nucleus from the picture of DNA. Hope this was helpful! ;D
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Cacti can survive with very little water.
Which statement describes why cacti have this ability?
(choose only one answer)
A. Cacti have a homeostatic system to control water loss.
B. Cacti do not have pores through which they can release excess water.
C. Cacti require a large amount of water.
D. Water is poisonous to cacti.
Statement cacti have a homeostatic system to control water loss describes why cacti have this ability.
What are the features of homeostatic system?Homeostasis is the state of steady internal, physical, and chemical conditions maintained by living systems. This is the condition of optimal functioning for the organism and includes many variables.
Moreover, body temperature control in humans is one of the most familiar examples of homeostasis. Normal body temperature hovers around 37 °C (98.6 °F), but a number of factors can affect this value.
The homeostatic pathway controls energy balance by increasing the motivation to eat following depletion of energy stores.
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you can just say the answer
Photosynthetic rate incrases steadiky as light level increse
What is photosynthesis?Photosynthesis is defined as a process in which solar energy is captured and organic molecules are produced. This process is fundamental for the survival of life on the planet and is the main way in which energy enters the biosphere.
Where does photosynthesis take place?Photosynthesis takes place in chloroplasts. Chlorophyll and carotenoids are arranged in the thylakoids of chloroplasts in units called photosystems. Two steps can be observed in photosynthesis: light reactions and carbon fixation reactions. At the end of photosynthesis, carbohydrates are produced.
How is ATP produced in the cell?The breakdown of glucose occurs to generate ATP. In organisms without mitochondria, such as bacteria, respiration takes place in a structure called a mesosome. This process uses glucose and oxygen and produces ATP, carbon dioxide and water.
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what triggers a b-cell to proliferate and differentiate, and what cell types/functions this creates
Creation of fully developed immune-competent B cells maturation. Maturity-dependent B-cell activation and differentiation into plasma cells and memory B cells.
B-cell production starts in the embryo and continues throughout life.Major locations of B cell maturation before birth include the yolk sac, foetal liver, and foetal bone marrow.Following birth, hematopoietic stem cells in the bone marrow produce mature B-cells (HSC).The HSC first divide to create lymphoid progenitor cells, and these cells subsequently differentiate and maturation into progenitor B-cells (pro B), which express a transmembrane tyrosine phosphatase known as CD45R and a signalling molecule known as Ig/Ig that is later identified linked with the membrane-bound antibody.Pro-B cells furthermore exhibit CD19 (part of co-receptor),CD43 (leukosialin), CD24 (heat stable), and C-kit are present on the surface of Pro-B-cell.To know more about b-cells check the below link:
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A student builds a model of the heart and brain, shown in the diagram. Two trucks, 1 and 2, travel between the organs. The student will label the trucks with what they are carrying. Which set of labels BEST completes the model? Responses A Truck 1 carries red blood cells and Truck 2 carries white blood cells.Truck 1 carries red blood cells and Truck 2 carries white blood cells. B Truck 1 carries carbon dioxide and Truck 2 carries oxygen.Truck 1 carries carbon dioxide and Truck 2 carries oxygen. C Truck 1 carries white blood cells and Truck 2 carries red blood cells.Truck 1 carries white blood cells and Truck 2 carries red blood cells. D Truck 1 carries oxygen and Truck 2 carries carbon dioxide.
According to statement, Truck 2 transports oxygen, while Truck 1 transports carbon dioxide.
What are the uses of oxygen?Respiration, the energy-generating process that fuels all metabolic rates in the majority of living things, is significantly oxygen dependent. All living creatures, including people, are reliant on air to survive.
What are 5 common uses of oxygen?Throughout order of importance, the following are the main uses of oxygen: 1) the melting, refining, and production of steel; 2) the production of chemicals through governed combustion; 3) booster propulsion; 4) the provision of medical as well as biological life support; and 5) the extraction, production, and manufacturing of stone as well as glass products.
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The synthesis of cholesterol is a process that involves over 30 different steps. Which step is the rate-determining step of cholesterol synthesis?.
The rate-determining step of cholesterol synthesis is the conversion of HMG-CoA to mevalonate by HMG-CoA reductase.
Cholesterol is the wax-like substance which is produced by the liver in animal body. It is essential for plasma membrane fluidity. Blood cholesterol is also good for health at certain levels. However, excess of blood cholesterol can cause serious diseases as well.
Mevalonate is a key compound for the synthesis of cholesterol and also other sterols. The pathway for this synthesis is called the mevalonate pathway. It occurs in the cytosol of the animals cells. HMG-CoA reductase is a key enzyme for the synthesis of mevalonate.
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For which traits is the plant heterozygous? Select one or more pairs of alleles as your answer.
E
d
FI
D
flower location
plant height
seed pod shape
When an organism is heterozygous, it has two distinct alleles of the same gene.For instance, pea plants can have either homozygous dominant (red-red) or heterozygous red blooms (red-white).They were homozygous recessive if they have white blooms (white-white).Heterozygous carriers are always present.
What characteristic is heterozygous?When an organism has two identical copies of the same gene, it is said to be homozygous for that trait; when an organism has two different copies of the same gene, it is said to be heterozygous for the that trait.
How can you tell whether a plant is heterozygous?One gene is present in hemizygous plants in just one copy.A single gene is present in two identical copies in homozygous plants.Heterozygous plants have different alleles, or distinct versions of the same gene, rather than two copies of the a single gene.
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What is/are the function(s) of centrioles in the cell?
Choose all that apply:
Aid in anchoring organelles to their spots
Help cells maintain their shape
Creation of microtubules that aid in cell division
Aid in the mechanical movement of basal bodies
Assist in the movement of motor proteins
The main function of the centrioles in the cell is the creation of microtubules that aid in cell division (Option 3).
What is the role of the centrioles in animal cells?The centrioles are exclusive organelles observed in animal cells whose main role is to migrate to opposite ends in a cell by organizing microtubule filaments of the cytoskeleton.
Therefore, with this data, we can see that the main role of centrioles in animal cells is to organize the formation and movement of the microtubule filaments of the cytoskeleton during the process of cell division.
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which statement is false about the usual causes of hypercalciuria? hypercalciuria is usually attributable to:
False statement regarding the typical causes of hypercalciuria: "Hypercalciuria is typically attributable to hyperthyroidism."
Which of the following pyelonephritis clinical symptoms differs from cystitis symptoms?When systemic symptoms such a fever, chills, or sepsis are absent, cystitis can be distinguished from pyelonephritis. Upper UTI or pyelonephritis is indicated by symptoms such as flank discomfort, tenderness at the costovertebral angle, nausea, and vomiting.
Which drugs are regarded as the main offenders in nephrotoxic acute tubular necrosis ATN?NSAIDs, antibiotics including amphotericin B, aminoglycosides, vancomycin, piperacillin/tazobactam, and radiocontrast agents are nephrotoxic drugs that should be avoided since they might cause acute tubular necrosis.
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what is the relationship between chromosomal instability and cell proliferation characteristic of tumorigenesis?
The likelihood of obtaining cells with a higher rate of proliferation increases with increasing chromosomal instability.
What traits do cancers possess?Cancerous and postoperative pain, the inhibition of antitumor immunity, tumor angiogenesis, tumor proliferation, development, and metastasis, as well as mental depression, are all clinical biological symptoms of malignancies.
What features distinguish an tumorous cell growth?Uncontrolled cell division as well as the inability of their wear are features of tumor cell proliferation.Additionally, tumor cells are more likely to survive.Resistance to apoptosis (the body's natural death process) is acquired by tumor cells.
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only the fibrous layer can be observed in its entirety from the superficial surface of the cow eye.
The only part of the cow eye's surface that can be seen in its entirety is the fibrous layer.
What role does the fibrous layer play in the body?Fibroblasts, which form the collagenous fibers that give the skin structure and fortify bones, are present in the outer fibrous layer. Blood arteries in this layer also provide the cartilage its nutrients and oxygen.
What do you call the fibrous layer?The periosteum is made up of an inner and an exterior "cambium layer." Fibroblasts are found in the fibrous layer, whereas progenitor cells found in the cambium layer give rise to osteoblasts, which widen the bone.
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what is the primary difference between the innate and adaptive immune responses?
The body's initial line of defence against infections is innate immunity. It is broad and non-specific, which means it does not distinguish between pathogen kinds. Adaptive immunity is a form of immunity that develops as a result of disease exposure or vaccination.
What cells participate in innate and adaptive immunity?There are several cell types that each play a unique function in immunity. These comprise macrophages, neutrophils, eosinophils, basophils, mast cells, and dendritic cells generated from myeloid progenitors in the innate immune response. Natural killer cells are also part of the innate immune system, but unlike the other cells, they are produced from lymphoid stem cells.
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What is the common function of leaves?
store water
transport energy
transport water
make energy
The common function of leaves are: water storage, energy transportation water transportation and energy synthesis.
Describe the function of leaves.The main function of leaves is to produce food for plants through photosynthesis. Chlorophyll, the substance that gives plants their unique green color, absorbs light energy. The internal structure of the leaf is protected by the stem epidermis and the continuous leaf epidermis. The central sheet or mesophyll is composed of soft-walled, unspecialized cells of a type known as the parenchyma. Up to one-fifth of the mesophyll consists of chlorophyll-containing chloroplasts that absorb sunlight and, in combination with specific enzymes, use radiant energy to break down water into its elements hydrogen and oxygen. . Oxygen released by green leaves replaces oxygen removed from the atmosphere by respiration and combustion of plants and animals. Hydrogen obtained from water combines with carbon dioxide in the enzymatic process of photosynthesis to form sugars that form the basis of plant and animal life. Oxygen is released into the atmosphere through stomata (stomata on the leaf surface).
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I need help pls high point. Really need help
Processes:
The Hawaiian Islands were formed by volcanic activity.
Each island or submerged seamount in the chain is successively older toward the northwest. Near Hawaii, the age progression from island to island can be used to calculate the motion of the Pacific Oceanic plate toward the northwest
How they are formed:
As a crustal tectonic plates move over hot spots mantle material up wells and erupts on the surface of the plate to form a volcano, seamount or volcanic island.
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Name 2 tructure ,viible with a light microcope, which ditinguih plant cell from animal cell
The cell wall and the vacuoles are the two features that can be seen under a "light microscope."
The cell membrane is present underneath the cellulose-based cell wall in plant cells, but only the cell membrane is present in animal cells. The plant cell is larger than the animal cell because it has more vacuoles than the animal cell does, which makes them different in size. Additionally, the vacuoles occupy a "large volume" of the cell.
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The sodium-potassium pump requires ATP in order to create a change in the shape of the carrier protein.
True
False
Answer: True
Explanation:
It is true sodium potassium pumps require ATP in order to create a change in the shape of the carrier protein.
You decide you don’t like worm o you go into your backyard and dig up all of the earthworm. Explain how removing the earthworm could affect the ecoytem in your yard
Worms are helpful when they die the techniccally turn into fertiliser in a way
you find an animal with a bilateral larval form but what appears to be a radial adult form. which taxa would you presume it to belong to?
The animal would be presumed to belong to Cnidaria if they have a bilateral larval form and radial adult form.
In the Cnidaria larvae, bilateral symmetry is a characteristic feature. In the field of biology, bilateral symmetry can be described as a type of symmetry in which when an organism is cut into half, both the right and the left side appear to be exactly similar.
However, after growth from the larval stage, the Cnidaria adults develop to have radial symmetry. In the field of biology, radial symmetry can be described as a type of symmetry in which the body has a central axis where all the lines or planes of the body of the organism can unite. A radial symmetry has a central axis.
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as indicated in the kegg pathways for fatty acid degradation and biosynthesis, which pathway does not use acetly-coa as a substrate
As indicated in the kegg pathways for fatty acid degradation and biosynthesis, D. glycolysis pathway does not use acetly-coa as a substrate.
Glycolysis is the metabolic pathway that converts glucose into pyruvate. The free energy launched in this manner is used to form the high-energy molecules adenosine triphosphate and decreased nicotinamide adenine dinucleotide. Glycolysis is a series of ten reactions catalyzed by enzymes.
Glycolysis is a series of reactions that extract power from glucose by means of splitting it into 3-carbon molecules referred to as pyruvates.
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Disclaimer:- your question is incomplete, please see below for the comlete question.
as indicated in the kegg pathways for fatty acid degradation and biosynthesis, which pathway does not use acetly-coa as a substrate
A. citric acid cycle
B. butanoate metabolism
C. fatty acid biosynthesis
D. glycolysis
passive transport is the movement of molecules across the cell membrane without requiring an input of cellular energy. identify which of these options are examples of passive transport.
A. True
B. False
Pls help me with this question asap !!!
Give an example of a disease caused by cells that have “gone wrong” or become dysfunctional. Explain how this disease is caused.
Answer:
Disturbances in cell death pathways at the molecular level can be linked to the pathogenesis not only of cancer, but also other diseases of enormous social importance, such as HIV, atherosclerosis, ischemia, reperfusion injury, infection, inflammation, autoimmune, and neurological disorders
Explanation:
the binding and release of sodium or potassium ions are due to conformational changes in the protein.
After releasing ions into the extracellular fluid, the binding and release of sodium or potassium ions is caused by conformational changes in the protein.
Which type is in charge of the conformational modification that takes place in the sodium-potassium exchange pump?The pump adapts to phosphorylation by changing its shape and turning around to open toward the extracellular area. The three sodium ions are released outside the cell because the pump in this conformation no longer prefers to bind to sodium ions (has low affinity for them).
What are the two causes of the motion of the sodium and potassium ions?The differential in ion concentrations between the intracellular and extracellular regions, as well as the membrane potential, dictate the net flow of ions across an open ionic channel.
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Why don't cells use endocytosis to transport all substances across the cell membrane.