Calcium reabsorption by the kidneys is promoted by the hormone parathyroid hormone.
What is parathyroid hormone?The parathyroid glands emit a peptide hormone known as parathyroid hormone, sometimes known as parathormone or parathyrin, which regulates the serum calcium content through acting on the gut, kidney, and bone.One or more of the parathyroid glands are hyperactive in primary hyperparathyroidism. The gland thus produces an excess of parathyroid hormone (PTH). Too much PTH raises calcium levels in the blood, which can result in health issues like kidney stones and bone weakening.The following processes are stimulated by the parathyroid hormone: bones' release of calcium into the blood. The intestines' absorption of calcium from meals. kidneys' preservation of calcium.Hypoparathyroidism is a condition in which parathyroid hormone secretion or activity is low. This lack of PTH causes blood phosphorus and calcium levels to rise and fall, respectively.
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What is an Electrocardiogram used for?
Electrocardiogram is simply used to
help diagnose and monitor conditions affecting the heart
So therefore, electrocardiogram is used to check your heart's rhythm and electrical activity
What is electrocardiogram?An electrocardiogram (ECG) simply refers to a test that can be used to check your heart's rhythm and electrical activity.
Electrocardiogram is simply used to
help diagnose and monitor conditions affecting the heart
So therefore, electrocardiogram is simply used to help diagnose and monitor conditions affecting the heart
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The dna double helix is made up of two strands of ______ monomers oriented in opposite directions. multiple choice question.
The DNA double helix is made up of two strands of nucleotide monomers oriented in opposite directions. multiple choice question.
DNA nucleotides link up to form units referred to as base pairs, A with T and C with G. A sugar and phosphate molecule are also joined to each base. A nucleotide is made up of a base, a sugar, and a phosphate. The double helix is a spiral formed by two long strands of nucleotides.The information molecule is DNA. It contains information needed to create proteins, which are other big molecules. These instructions are dispersed throughout 46 lengthy structures called chromosomes that are found inside each of your cells. Numerous smaller pieces of DNA, known as genes, make up these chromosomes.learn more about DNA here: https://brainly.com/question/16099437
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Organisms use different types of adaptations to aid in their survival. many different types of animals hibernate throughout the winter. during hibernation, the animal's metabolism slows and its core temperature lowers. what is this process called? a. torpor b. sleep c. hyperactivity d. none of the above
Option (A) Torpor is the correct answer
Organisms that undergo hibernation have the ability to slow down their metabolism so as to lower the core temperature. This process is known as Torpor.
Why is torpor important for organisms undergoing hibernation?Torpor is a state in animals where they lower all their metabolic activities and bodily functions so as to keep the body temperature low.
It is done by the animals to conserve resources in conditions where scarcity of food is there.
Some birds undergo torpor to conserve fat in the body.
Some animals use this technique of torpor to survive competition with other species.
These organisms come back to normal physiology when the conditions become favorable.
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Antimicrobials effective against a wide variety of microbial types are termed?
Antimicrobials effective against a wide variety of microbial types are termed as broad-spectrum drugs.
What are Antimicrobials?These refers to substances which kill or inhibit the growth of microbes such as bacteria, protozoa etc.
These type of drugs ensure their metabolism is altered thereby leading to their death. Those who are effective against a small variety are termed as narrow spectrum drugs while those who are effective against a wide variety of microbial types are broad-spectrum drugs.
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Harold’s wonders how much of a role genetics plays in determining his weight. He has heard about a gene, called leptin. Mice with a defective form of the leptin gene tend to?
Weight is a quantitative trait and mice with defective leptin tend to have problems controlling weight since this gene is associated with it.
What is a quantitative trait?A quantitative trait is a phenotypic feature controlled by many genes and the interaction with the environmental factors.
Weight, height, behavioral features are all examples of quantitative traits because these types of phenotypic features show continuous variation.
Quantitative traits are modulated by gene interactions and therefore exhibit both epistatic and pleiotropic effects.
The leptin gene is a gene in mammal involved in neuronal control to metabolic signals and thereby it is associated with weight.
In conclusion, weight is a quantitative trait and mice with a defective form of the leptin gene tend to have problems controlling weight because it is associated with this trait.
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Ciliates, such as paramecium, are likely to be found in ____ or in the gut of mammalian grazers where they aid in the digestion of _____
Ciliates, such as paramecium, are likely to be found in freshwater and marine water or in the gut of mammals where they aid in the digestion of plant material.
Small, unicellular Paramecium organisms are common in freshwater ponds and marine habitats. It moves slowly while swimming, frequently shifting its course. It can multiply by dividing two or three times each day under the right circumstances, which can lead to huge populations. It is a member of the Protozoa class of organisms. Because the bacteria that paramecia consume are frequently found on decomposing plants, they play a part in the carbon cycle. In addition to eating the bacteria, Paramecium will also consume decaying plant debris, speeding up the process of decomposition.learn more about paramecium here: https://brainly.com/question/17546239
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A pharmaceutical company went bankrupt after investing in what they thought was a highly promising leptin-like drug for obesity. Their fatal mistake was not hiring and consulting you during drug development. What could you have told them to avert their demise?
Answer choices:
Their drug wasn't strong enough because it was oral and not intravenous
Leptin can't be given as a drug because it's a hormone
Suppression of appetite is not sufficient for reversing obesity
Leptin insensitivity is commonly associated with obesity
Orexin exists to counteract any leptin you introduce
Answer:
Suppression of appetite is not sufficient for reversing obesity I believe
Explanation:
________ describes someone whose mood or behavior is changeable and unpredictable, or someone who is clever, lively, and quick. with a ________ teacher, you never know where you stand
Mercurial describes someone whose mood or behavior is changeable and unpredictable, or someone who is clever, lively, and quick. with a mercurial teacher you never know where you stand.
Depending on how someone with a volatile temperament manages things, a mercurial personality can either be a bad or positive character feature. A person who is mercurial is typically thought of as someone who loses control readily and whose moods vary as frequently and abruptly as a Spring day. Mercurial is described as unpredictable or fickle. Someone who is mercurial is someone who can snap into anger in the span of a single second. Of or connected to the god Mercury in Roman mythology.learn more about mercurial here:
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ASAP PLS
Whales have small, shrunken hip bones that do not connect to an actual leg or appendage sticking out of the body. What is the purpose of these hip bones?
A. They are only present in whales whose DNA mutated after encountering
an oil spill.
B. None of these.
C. They no longer have a purpose but indicate whales evolved from 4 legged animals.
D. They are used to help the whale keep its balance while diving.
Whales have pelvic (hip) bones, which are evolutionary remains from when their forefathers walked on land about 40 million years ago. Common belief has long assumed that such bones are merely vestigial, slowly withering away like human tailbones. Thus option C is correct.
What is the new research from USC and the Natural History Museum of Los Angeles County (NHM) has to say ?New research from USC and the Natural History Museum of Los Angeles County (NHM) contradicts this belief, discovering that not only do those pelvic bones have a role, but their size and perhaps shape are impacted by sexual selection processes.
Therefore, small, shrunken hip bones of whale are no longer beneficial for survival and are considered vestigial. So, the best option is C among the other options available. Thus option C is correct.
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What gas is required for optimum production of adenosine triphosphate (atp)?
a. argon
b. carbon dioxide
c. nitrous oxide
d. oxygen
The ability to work with the sick and the infirm depends on one's ability and willingness to show ________. select one: a. empathy b. integrity c. emotion d. discretion
The ability to work with the sick and the infirm depends on one's ability and willingness to show Empathy.
Option A is correct .
What is empathy ?
Empathy, the ability to understand and share the feelings of another, is an important asset to improve health outcomes for patients with LHL. Empathy is much more than just knowing a patient’s medical history, symptoms, or signs of disease and goes far beyond clinical diagnosis and treatment. It is the ability to truly understand the patients’ emotions, fears, pain and worry and the ability to respond to these.
The term “empathy” is used to describe a wide range of experiences. Emotion researchers generally define empathy as the ability to sense other people's emotions, coupled with the ability to imagine what someone else might be thinking or feeling.
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Is it possible to distinguish between plants altered by classical genetics and those altered by modern techniques? if it is possible, how is it done?
Is it possible to distinguish between plants altered by classical genetics and those altered by modern techniques by looking under a microscope since DNA is microscopic.
Genetically modified organisms (GMOs):
A genetically modified organism (GMO) is an animal, plant, or microbe whose DNA has been altered using genetic engineering techniques.Using conventional breeding methods, people have been modifying the genomes of plants and animals for a long time.One of the most often used instances of genetically modified organisms is agricultural plants (GMOs). Increased crop yields, lower costs for food or drug production, less need for pesticides, improved nutrient composition and food quality, pest and disease resistance, greater food security, and medical benefits for the world's expanding population are a few advantages of genetic engineering in agriculture.More GMO research has the potential to assist numerous sectors. For instance, a number of microorganisms are being investigated as potential biodegraders and generators of clean fuel in the future.Learn more about the Genetically modified organisms (GMOs) with the help of the given link:
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What is the major controlling factor for insulin levels?
a. availability of digestive enzymes
b. pancreatic health
c. diurnal patterns
d. blood glucose concentration
e. percentage of body fat
Blood glucose concentration is the major controlling factors for insulin levels. Glucose is the principal stimulus for insulin secretion, through other macro-nutrients, hormones, neural inputs may respond according to this insulin.
Tucked away behind the stomach is an organ called the pancreas, which produce insulin.Insulin production is regulated based on blood sugar levels and other hormones present in the human body.When food is digested, glucose is absorbed from human guts into the bloodstream,raising blood glucose levels.
In healthy human insulin production and release is fixed process, which allows human body to balance metabolic production and needs.It helps to glucose to comes out from bloodstream and into cells.
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Food processing and the absorption and distribution of nutrients within your body are mainly accomplished by which system? (choose all that apply)
Answer:
Digestive system is the main system, then lymphatic and circulatory systems.
Functions of behavior can be classified in several ways, including social vs _____________
Functions of behavior can be classified in several ways, including social vs automatic.
What is function?The reason an object or process appeared in a system that underwent natural selection is called its function. Usually, the achievement of some goal is the motivation behind this. For instance, chlorophyll aids in the process of photosynthesis by helping to capture solar energy.the function, importance, importance, or purpose of a component, function, or quality of an organism.The characteristics, actions, and components of living organisms are given functions. The term "function" can be used to describe a thing's use, an advantage it provides to an organism, or the causal contribution it makes to a more sophisticated system's capability.Organization, metabolism, response, motions, and reproduction are among the fundamental functions of life. There are extra requirements for growth, differentiation, respiration, digestion, and excretion in humans, the most complicated form of life.Learn more about function here:
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The part of the eye that prevent light from reflecting internally and is heavily vascularized to deliver blood to the retina:_______
The part of the eye that prevent light from reflecting internally and is heavily vascularized to deliver blood to the retina: choroid.
What is choroid?The choroid is highly vascularized to provide blood to the retina and contains dark pigmentation to stop light from reflecting inside. Anteriorly, the choroid, ciliary body, and iris are all joined.. The ciliary body muscles regulate the lens's thickness. The iris acts as a diaphragm, changing the pupil's aperture at its center. This regulates how much light is allowed to enter the retina. In strong light, the iris' muscle fibers constrict the pupil to accommodate close vision; in low light, they enlarge it to accommodate far vision. Each individual's iris is a different color.
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Would hypothermia cause vasoconstriction or vasodilation of a vessel feeding a tissue?
Hypothermia would vasoconstriction of a vessel feeding a tissue.
What is hypothermia?In hypothermia the body temperature drops very low such that even necessary body functions cannot be maintained resulting in the vasoconstriction of blood vessels.Vasoconstriction (shrinking) of blood vessels helps by decreasing the exchange of heat of the organism’s body with the environment as the blood flow is decreased.Hypothermia is a medical emergency mainly caused due to exposure to cold for long time resulting is loss of heat faster than the body is able to generate it.It affects the brain resulting in confusion, memory loss, slurred speech.The initial symptom is uncontrolled shivering.Try to keep a hypothermic patient warm and provide medical care as soon as possible.Learn more about hypothermia here:
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By the time the fertilized egg reaches the uterus it is a hollow ball of cells called a:________
By the time the fertilized egg reaches the uterus it is a hollow ball of cells called a: Morula
This collection of cells, known as a morula, resembles a little ball by the time it reaches the uterus. The morula develops a hollow interior and fills with fluid to produce a blastocyst. The blastocyst will cling to the endometrium, the uterus' lining, by the end of this week. The term for this is implantation.The zygote, which comes before the blastocyst, is split into the morula, a solid mass with 16–32 blastomeres. At the 8-cell stage, a process known as compaction starts, in which the spherical, loosely linked blastomeres take on a flattened polarized cell shape.learn more about morula here: https://brainly.com/question/11893522
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What layer of blood vessels is responsible for vasodilation and vasoconstriction as a result of sympathetic activation?
Tunica media is the layer of blood vessels responsible for vasodilation and vasoconstriction as a result of sympathetic activation.
What effect does tunica media have on blood pressure?
The cardiovascular system includes tubular organs called blood vessels that move blood across the body. The organ that provides the pressure required to force the blood through the vessels is the heart. In contrast to veins, which carry blood back to the heart, arteries carry blood away from the heart. The vascular wall of arteries and veins has three layers. The innermost layer of the tunic is called the tunica intima, followed by the middle layer, the tunica media, and the outer layer, the tunica adventitia.
Smooth muscle and elastic connective tissue make up the tunica media. When it comes to the upkeep of blood pressure, this layer is the most important of the three. As blood is forced out of the heart, the elastic fibers in this layer can withstand the strain applied to the blood artery. The elastic fibers apply the force back onto the blood when the heart relaxes, keeping blood pressure and flow during diastole.
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You are working with a research group and discover fossils of large animal. Upon close examination, it looks to be a mammal and an ancestor to the modern tiger, that you temporarily name 'Species X' until you learn more about it. Using your knowledge of the fossil record, you attempt to determine its relative age. You know that ______ evolved before species X, ______ had already evolved and gone extinct before species X evolved, and ______ did not evolve until after species X went extinct.
A. Winged insects, Dinosaurs, Humans
B. Humans, Dinosaurs, Flowering plants
C. Dinosaurs, Invertebrates, Land plants
D. Trilobites, Reptiles, Birds
When testing a four-wheel drive electronic component, the technician will use a scan tool to pull codes, and then a ________ to diagnose any codes found.
Answer: Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
Explanation:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
Identify the structures of the nephron that maintain the high solute concentration in the medullary region of the kidney.
The structures of the nephron that maintain the high solute concentration in the medullary region of the kidney are options (a) and (c)i.e, the Loop of Henle and Vasa recta.
The tiny or microscopic structural and functional component of the kidney is called a nephron. A renal corpuscle and a renal tubule make up its structure. A tuft of capillaries called a glomerulus and a cup-shaped structure called Bowman's capsule make up the renal corpuscle. From the capsule protrudes the renal tubule. Each nephron is made up of a renal corpuscle (glomerulus within Bowman's capsule), a proximal tubule (convoluted and straight components), an intermediate tubule (loop of Henle), a distal convoluted tubule, a connecting tubule, cortical, outer medullary, and inner medullary collecting ducts, as well as these additional components.
One of the two types of blood capillaries that emerge from the efferent arterioles of the nephron is the vasa recta. They are less numerous and surround the juxtamedullary nephrons' Henle loop. As a result, they exclusively develop in the kidney's medulla of birds and mammals, where they concentrate urine.
The complete question is:
Identify the structures of the nephron that maintain the high solute concentration in the medullary region of the kidney. Select all that apply.
A. Loop of Henle
B. Glomerulus
C. Vasa recta
D. Proximal convoluted tubule
E. Distal convoluted tubule
F. Bowman capsule
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What primarily differentiates the three types of cone photoreceptors in the retina?
The wavelength of light that the three types of cone photoreceptors in the retina are sensitive to primarily differentiates them.
The retina of vertebrate eyes, including the human eye, contains cone cells, or cones, which are photoreceptor cells.
They react differently to light of various wavelengths, and the interaction between these reactions is what gives people their ability to see color.
Contrary to rod cells, which perform better in low light, or the scotopic zone, cones work best in relatively high light, or the photopic region.
S-cones, M-cones, and L-cones are the three main varieties of cones, each with a unique pigment.
These cones are sensitive to the visible light spectrum, which includes short, medium, and long rays of light, respectively.
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If a gene exists in 10 different alleles in a population, how many alleles can be expressed in one diploid cell?
If a gene exists in 10 different alleles in a population, two alleles can be expressed in one diploid cell.
What is a diploid cell?
The term "diploid" describes an organism's cells having two full sets of chromosomes, with one chromosome from each parent present in each pair. Since humans are diploid, the majority of their cells have 23 pairs of chromosomes. However, human germ cells (egg and sperm cells) are referred to as haploid since they only have one pair of chromosomes.
Two full sets of chromosomes are present in a diploid cell. The majority of human cells are diploid, with 23 chromosomal pairs totaling 46 chromosomes. This comprises a pair of sex chromosomes and 22 pairs of autosomes. The mother and father each contributed one replica of each pair of chromosomes to the person.
We have two copies of every gene because we have two copies of each chromosome. The majority of mammals, including humans, are diploid, however certain creatures are polyploid or have more than two sets of each chromosome. Consider the octoploid nature of your typical supermarket strawberry, which has eight complete sets of seven chromosomes apiece for a total of 56 chromosomes.
Therefore, two alleles can be expressed in one diploid cell, if a gene exists in 10 different alleles in a population.
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What is the net energy gain when 1 molecule of glucose from glycogen stores is converted to lactate?
When 1 molecule of glucose from glycogen stores is converted to lactate, the net energy gain is 3ATP.
What is anaerobic glycolysis?Anaerobic glycolysis is the pathway of conversion of glucose to lactate in the muscles in the absence of oxygen.In the skeletal muscles, glycogen breaks down to form glucose in the form of Glucose 1 phosphate (G1P).G1P gets converted to G6P.G6P enters glycolysis and produces ATP as energy source in the muscles.2 ATP molecules are produced in this step.When there is enough oxygen, pyruvate releases energy through oxidative phosphorylation.In the absence of oxygen, pyruvate gets converted to lactate by lactic acid fermentation.This lactate then moves into the liver where it gets converted into pyruvate and then glucose. 6 ATP molecules are produced in this step.Learn more about anaerobic glycolysis here:
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Drag each sequence to the correct location in the table. sort the sequences based on the type of mutation they display.
TATTA → TATTAGA (Insertion)
TATTCG TATTAAT → TATTAT TATTACG - (traslocation)
ACGTATTC → ACGTTTC (deletion)
ATTA GTAC → ATGT ACTA (translocation)
GATCCAT → GATCCATCA (insertion)
TACTTAGT → TACTTGT (deletion)
What is Mutation ?A mutation is a change to an organism's DNA sequence. Errors in DNA replication during cell division, exposure to mutagens, or viral infection can all cause mutations.
The two types of mutations known as frame-shifts are insertions and deletions, which are the type of mutations.A change in the reading frame of the genetic code will result from the addition or deletion of nucleotides that are not multiples of 3. Insertions change the DNA by introducing one or more additional nucleotides.Learn more about Mutation here:
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When a portion of a chromosome breaks off and attaches to a different chromosome this is called a:_______
Answer:
Translocation
Explanation:
Which brain structure maintains homeostasis and influences blood pressure, heart rate, digestive activity, breathing rate, and body temperature?
Hypothalamus maintains homeostasis and influence blood pressure, heart rate, digestive activity, breathing rate, and body temperature.
What is the hypothalamus?A region of the forebrain situated below the thalamus of the brain.
The main function of hypothalamus is to control and coordinate the center of brain.
Hypothalamus helps to keep the body stable that is known as homeostasis.
The hormones such as thyrotropin-releasing hormone(TRH), gonadotropin-releasing hormone (GnRH) are the important hormones released from hypothalamus.
Thus,homeostasis, blood pressure, heart rate, digestive activity, breathing rate, as well as body temperature is maintained by hypothalamus.
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Which of the following are outcomes of refrigeration?
I. Less food waste
II. More food variety
III. Food lasts longer
A. I, II, and III
B. I and II
C. II and III
D. III only
Answer:
I'm pretty sure it's a. With refrigeration you do have more food variety, the food lasts longer so less waste.
A bacteriophage can be an important part of the genetic engineering process. Determine which of the following structures is not part of a bacteriophage.
A. Injection tube
B. Plasmid ring
C. Genetic material
D. Protein coat
A bacteriophage does not contain a plasmid ring.
What is a bacteriophage?A bacteriophage or phage is a virus which infects bacteria and replicates inside it.They destroy the host cell in which they infect.A bacteriophage consists of nucleic acid molecule (genetic material) surrounded by a protein coat or capsid.The genetic material in bacteriophage can be DNA or RNA which may be circular or linear, single or double stranded.Bacteriophage is formed of a head and a tail. Head consist of nucleic acid and protein coat.Tail consists of collar, base plate, sheath, tail fibers.The tail fibers attach to the host and inject tail tube to release genetic material into the host.A plasmid is an extrachromosomal genetic material of bacterial cell.Learn more about bacteriophage here:
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