Genes, and they are found in the nucleus.
What is Genes?The term "gene" can refer to a variety of biological concepts. Mendelian genes are the fundamental building blocks of heredity, and molecular genes are DNA sequences that are translated to create functional RNA. Noncoding and protein-coding genes are the two different categories of molecular genes.
The DNA is initially transcribed into RNA when a gene is expressed. A protein that fulfills a function can be directly generated from the RNA or it can serve as the intermediary template. Phenotypic qualities are passed down through gene inheritance from an organism to its progeny. Numerous DNA sequences known as genotypes are composed of these genes. What the phenotypes will be depends on the genotypes as well as the environment and developmental variables.
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the closing of the left av valve occurs near the beginning of . the closing of the left av valve occurs near the beginning of . isovolumetric relaxation ventricular systole atrial systole ventricular diastole
The closing of the left av valve occurs near the beginning of isovolumetric relaxation
Heart valve are present to prevent the back flow of blood in the heart. There are four valves present in the heart they are aortic valve, pulmonary valve, tricuspid valve and atrioventricular valve.
Isovolumetric relaxation occurs when the aortic valve closes and mitral valve opens. It produces the second component of the heart beat.
Ventricular systole lasts for 0.3 seconds when both ventricles contract, and blood is forced into the lungs via pulmonary trucks.
Atrial diastole lasts about 0.7 second in which relaxation of the atria occurs and it is filled with blood.
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after a natural disturbance causes mortality in a population, there is a change in the population's gene pool. this is known as a .
After a natural disturbance causes mortality in a population, there is a change in the population's gene pool. this is known as a Bottleneck Effect.
Bottleneck Effect- The bottleneck effect is a phenomena that occurs when a population's gene pool suddenly shrinks as a result of a natural environmental occurrence, a natural disaster, a disease, or human activity. A bias that wasn't there in the initial population will probably result from this shrinkage of the gene pool.
Gene Pool- A gene pool is the collection of all the alleles (including alleles) found in a population or species that is capable of reproduction. A big gene pool has a wide range of genetic diversity and is more resilient to environmental stresses.
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Neurotransmitters are released from secretory vesicles in neurons by a process called ____________.
Neurotransmitters are released from secretory vesicles in neurons by a process called Acetylcholine.
What is the significance of neurotransmitters?These signals aid in the movement of your limbs, the perception of sensations, the maintenance of heartbeat, and the assimilation and processing of all the information your body receives from other internal organs as well as from the surroundings. Neurotransmitters transfer chemical "messages" from one neuron (nerve cell) to the following target cell.
Acetycholine is tge cheif neurotransmitter of the parasympathetic nervous system, the part of autonomous nervous system that contracts muscle, slows heart rate , dilates blood vessels and increase body secretion.
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the us navy determines that the navigation system on its submarines, which use low-frequency radio waves, is reducing the population of humpback whales. the is an example of
The US Navy has determined that the navigation system on its submarines, which uses low-frequency radio waves, is diminishing the humpback whale population. This is an illustration of the law of comparative advantage.
United States Navy (USN)
The United States Navy (USN) is a maritime service branch of the United States Armed Forces and one of the country's eight uniformed services. It is the world's largest and most powerful navy, with the estimated tonnage of its active battle fleet alone exceeding that of the next 13 navies combined, including 11 US allies or partner nations as of 2015.
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The reproductive isolating mechanism that occurs when the ranges of two species overlap, but they rarely come into contact with one another because they utilize different habitats is?
The ranges of two species overlap, but they rarely come into connect with one another because they utilize different habitats is ecological isolation.
Environmental isolation the division of biological communities as a result of changes to their ecology or their environment. This is one of the processes that results in speciation because there will be a restriction on the movement of genes between the groups that are now separated, and changes in gene frequencies may happen as a result of local selection or drift until the groups eventually become so different that there are no longer any reproductive pathways between them.The mechanisms of reproductive isolation are a group of behavioural patterns, physiological processes, and evolutionary factors important for speciation. They either stop members of various species from having children, or they make sure that any children are sterile.To learn more about ecological isolation.
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Shira is analyzing samples of red blood cells using a microscope. Her observations are shown.
Shira observes that the shape of Cell A appears normal, while Cell B appears swollen and Cell C is shrunken. The apparent shrinking of Cell C indicates the reaction of the cell to what?
The shrinking of cell indicates that the solute concentration outside the cell is high is called Osmosis.
Osmosis is one of the important parts of the transportation o minerals and nutrients and tells about the physiology of the plants and osmosis means the transportation of water from higher concentration to lower concentration that is down the gradient and also it can be defined as the movement of water from lower concentration of solute to higher
concentration of solute which is gains the gradient but in terms of solute and this transport takes place in the presence of semi permeable membrane without which osmosis is not possible so according to this in the given situation the cell C shrinks because the concentration of the solute is higher outside the cell than inside the cell which means the concentration of water inside the cell is high and as water moves from high concentration to low concentration so water will move from inside the cell to outside the cell and as water is reduced the cell will shrink and this water can be replaced by any solvent it will behave the same and it can also be said as the process of diffusion or spontaneous net movement of the solvent and this can have different effects on red blood cells.To know more about osmosis click at https://brainly.com/question/1799974
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What structure is responsible for increasing surface area to provide for the strength of attachment between the epidermis and dermis?.
Epidermal ridge structure is responsible for increasing surface area to provide for the strength of attachment between the epidermis and dermis.
Dermal ridges are another characteristic of specific regions of the papillary layer. These ridges result in epidermal ridges, which are ridges in the epidermis above. We refer to those ridges as fingerprints, along with the sweating stains they leave behind.The thickest epidermal layer, the stratum basale connects the epidermis to the basal lamina, which is followed by the layers of the dermis. The skin's strength and flexibility are a result of collagen and elastic fibres, which are essential for providing the underlying skeletal muscles and organs with the structural protection they need. There are two layers in the dermis.To learn more about Epidermal ridge.
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The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, what kind of reaction is photosynthesis?.
All whales are mammals. all mammals live in the ocean . __________________________________ all whales live in the ocean.
The premises and conclusion of the argument are classified as true or false as follows:
All whales are mammals is trueAll mammals live in the ocean is falseWhales live in the ocean is true,The argument is unsound.
What are mammals?Mammals are animals that possess mammary glands which they use to nurse their young ones.
Mammals usually give birth to their young ones alive.
Mammals can be found on land and in aquatic environments.
Some example of mammals on land are:
ManGoatsDogsLionsTigers, etc.Some example of mammals in water are:
whalesdolphinssea lions, etc.Arguments are statement which contains premise(s) and a conclusion.
Arguments can be sound or unsound.
For an argument to be unsound, it must either be invalid or have at least one false premise.
Considering the given arguments:
All whales are mammals is trueAll mammals live in the ocean is falseWhales live in the ocean is trueTherefore, the argument is unsound.
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Note that the complete question is given below as follows:
What is the best description of the following argument?
All whales are mammals is true
All mammals live in the ocean
All whales live in the ocean
When kinetic energy is the same what happens to the velocity when the mass increases
The velocity would decrease because mass and velocity are inversely related. The equation for Kinetic Energy is: KE = 1/2 mv2. Kinetic energy has a direct relationship with mass, meaning that as mass increases so does the Kinetic Energy of an object. The same is true of velocity.
Answer:The velocity decreases.
Explanation:
Kinetic energy has a direct relationship with mass, meaning that as mass increases so does the Kinetic Energy of an object. The same is true of velocity.
The organelle that can collect, package, modify, and transport molecules is called the?
The organelle that can collect, package, modify, and transport molecules is called the Golgi apparatus.
The Golgi apparatus, also called the Golgi body is a cell organelle composed of various cisternae and vesicles. It lies in the cytoplasm of the cell and is an important part of the endomembrane system. The cell organelle performs a variety of functions like receiving proteins and lipids, their modification, packaging and then secreting them to the destined location.
Organelles are the sub-cellular structures that perform some specific role in order to keep the cell functioning and alive. The examples include: nucleus, endoplasmic reticulum, golgi apparatus, mitochondria, etc.
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Unlike the tissue growth that occurs with hypertrophy and hyperplasia, the growth of a malignancy is:_____.
The growth of malignancy is autonomous unlike the growth of hypertrophy and hyperplasia.
What is malignancy?The term "malignancy" refers to a process that, if unchecked, will cause a deadly sickness. The term "cancer" refers to all malignant tumors. Signs and symptoms are typically used to diagnose diseases. A symptom is characterized as subjective proof of an illness reported by the patient, but a sign is a result of a sickness that can be identified by a doctor.
Each disease entity has a constellation of symptoms that are essentially exclusive to it; particular symptoms, like fever, however, can be present in a wide range of illnesses. This section discusses some of the typical illness symptoms as they relate to an unbalanced state of healthy homeostasis.
Therefore the growth of malignancy is autonomous.
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20. scully m, knobl p, kentouche k, et al. recombinant adamts-13: first-in-human pharmacokinetics and safety in congenital thrombotic thrombocytopenic purpura. blood. 2017;130(19):2055-2063.
In 15 patients with severe congenital ADAMTS-13 deficiency (plasma ADAMTS-13 activity 6%), the safety, tolerability, and pharmacokinetics of recombinant ADAMTS-13 were examined.
What is pharmacokinetics?
Pharmacokinetics (PK) is the study of how the body responds to drugs over the full exposure period (medications for the sake of this article). Pharmacodynamics, which closely evaluates the drug's impact on the body, is closely related to this yet clearly distinct from it. Absorption, distribution, metabolism, and excretion are the four primary variables this field often evaluates (ADME). Understanding these processes gives medical professionals the freedom to recommend and deliver drugs that will have the most benefit and the lowest danger, as well as to make adjustments as needed in light of the diverse physiology and lifestyles of their patients.
No significant side effects and no anti-ADAMTS-13 antibodies were found. BAX 930 was well tolerated. Adolescents and adults that received a single dose of BAX 930 at 5, 20, or 40 U/kg body weight showed approximately dose proportional maximum plasma concentration (Cmax [U/mL]) and area under the concentration-time curve (AUC [hU/mL]). Individual ADAMTS-13:Ag and activity levels increased in a dose-related manner and peaked within an hour. A dose-dependent persistence of von Willebrand factor (VWF) cleavage products caused by ADAMTS-13 and a smaller VWF multimeric size were seen with increasing BAX 930 dosages. It was shown in this investigation that BAX 930's pharmacokinetic parameters were similar to those predicted in earlier plasma infusion trials and that pharmacodynamic activity was present.
Complete Question
Recombinant ADAMTS-13: first-in-human pharmacokinetics and safety in congenital thrombotic thrombocytopenic purpura
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Which thin, pointed projection of the temporal bone serves as an attachment site for several hyoid and tongue muscles?
Answer:styloid process
Explanation:
it’s in my anatomy book
Which of the following explains how scientists know that current global warming is related to human activities
The major source of the global warming on this earth is is the activities of the human which are the major source of global warming.
Which of the following explains how scientists know that current global warming is related to human activities
Scientists know that the present global warming is due to the human activities because the human activities badly effects the environment in many ways. The gas which releases from the refrigerator can badly effect the ozone layer which is the main cause of global warming. One of the main factors of global warming is also deforestation which is occurred by the humans.
So we can conclude that the major source of the global warming on this earth is is the activities of the human which are the major source of global warming.
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What is the origin of the sun’s energy
Answer:
Collapsed Supernova core
Explanation:
Another word for characteristics of a living thing?
Answer:
tasks because if a person or being is alive then it does any sort of task
In angle class ____ occlusion, the mesiobuccal cusp of the permanent maxillary first molar occludes mesial to the mesiobuccal groove of the mandibular first molar.
In angle class 2 occlusion, the mesiobuccal cusp of the permanent maxillary first molar occludes mesial to the mesiobuccal groove of the mandibular first molar.
Class 2 malocclusion, known as retrognathism or overbite, takes place whilst the higher jaw and enamel seriously overlap the lowest jaw and enamel.
Angle's Class II department 2 malocclusion has a stated horizontal increase sample with reduced decrease anterior facial height, retroclined higher anteriors, and notably elevated maxillary arch width parameters.Class II occlusion takes place whilst the decrease dental arch is posterior (greater toward the lower back of the mouth) than the higher one. In this malocclusion, the higher the front and maxillary enamel undertaking greater ahead than the decrease enamel and the jaw.
The maxillary first molar is commonly the biggest enamel withinside the maxillary arch. It has 4 well-advanced functioning cusps and one supplemental cusp of little realistic use. The 4 massive cusps of maximum physiological importance are the mesiobuccal, the distobuccal, the mesiolingual, and the distolingual.
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WILL MARK BRAINLIST AND 5 STAR AND A THANKS
Answer:6, -4
Explanation:go down from the 6 on the right 6go across from the 4 on the bottom it is -4 put it together 6,-4
Question 3 of 10 Which activity is an example of a descriptive investigation? OA. Gathering data about the effects of different fertilizers on houseplants B. Gathering data comparing two similar rose plants to determine whether they are of the same variety C. Gathering data about the number and type of native plants growing in a city park D. Gathering data about differences in moss growth on the north and south sides of a building
(D) Gathering data about differences in moss growth on the north and south sides of a building is an example of a Descriptive investigation.
The goal of descriptive investigations is to describe a natural or artificial system by gathering qualitative and/or quantitative data (e.g., animal behaviour, electrical circuit, rock formation, cloud). There is a query in a descriptive investigation, but no hypothesis.
Geologists, meteorologists, and astronomers frequently carry out descriptive investigations. An illustration of a descriptive investigation is the classification of leaves. Another illustration is observing behaviour of animals in the wild. In order to provide findings, descriptive investigations use meticulous observations and measurements.
Since there is no hypothesis for the difference in growth of mosses on the north and south side of a building, option (D) is the correct answer.
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Ligaments and tendons lose 50% of their tensile strength after how long a period of immobilization?
Clinicians use different time frames for immobilization, ranging from 3 to 6 weeks. Lightweight braces may be helpful after immobilization to help the patient stand-up.
What is immobilization in ligaments and tendons?Immobilization dramatically reduces the loading and, thus, the strain stimulus that lose 50% tendon or ligament experiences in mature animals.
For an orthopedic injury to heal effectively, immobilization is required. If the affected parts are not immobilized, already injured bones, ligaments, tendons, and more will sustain more damage.
Another way to lessen pain is to keep the region immobile.
Therefore, 3 to 6 weeks long a period of immobilization lose 50% Ligaments and tendons.
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Comparison of samples from the liver of an alcoholic with samples from the liver of a non-drinker when examined by transmission electron microscopy would likely reveal that:_________
The transmission electron microscopy would likely reveal that liver cells in an alcoholic individual have expansive smooth endoplasmic reticulum ER organelles when they are compared to the non-alcoholic liver cells.
What is the smooth ER?The smooth endoplasmic reticulum (ER) is a cell organelle that acts to process substances in the cells, which are expanded in individual suffering alcoholic-associated diseases in liver cells.
In conclusion, the transmission electron microscopy would likely reveal that liver cells in an alcoholic individual have expansive smooth endoplasmic reticulum ER organelles when they are compared to the non-alcoholic liver cells.
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How does tetanic contraction of muscles help to lift objects heavier than our body weight?
The tetanic contraction of muscles help to lift objects heavier than our body weight by generating force, overcoming resistance.
What is muscle?
Muscle is defined as group of tissue combined together in order to form muscles and muscles are the structure maker of the body it means it provide proper structure to the body.
Muscle contraction has been defined as an action potential that travels along with the nerves to the muscle. The beginning of the muscle contraction occurs with signal generated from the nervous system.There are mainly two types of muscle contraction and the situation occur when a muscle contracts and the change in size takes place.
Therefore, The tetanic contraction of muscles help to lift objects heavier than our body weight by generating force, overcoming resistance.
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When do scientists have to rely on estimates?
The appropriate responses will be given if the scientists do not receive the anticipated results in the form of accurate numbers.
What is Estimation?
The process of estimation involves making an approximation based on unreliable, unstable, or unexpected facts.
Scientists sometimes employ estimation approaches, such as attempting to calculate the exact age of the Earth or the rates at which specific species have evolved, both of which are impossible to do so with certainty based on the information currently available.
As a result, scientists are forced to make assumptions when the anticipated outcomes are not presented to them in the form of precise numerical data.
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the equilibrium potential for a given ion is the membrane potential at which the ionic concentration inside the cell is equal to the concentration outside the cell.
Higher concentration outside of cell the equilibrium potential for a given ion is the membrane potential at which the ionic concentration.
Ionic concentration – what is it?The ionic strength of a given environment serves as a gauge for its ion concentration. When ionic compounds dissolve in water, ions are created. The overall concentration of electrolytes in the solution will have an influence on important factors like the dissociation constant or the solubility of different salts.
One of the most important characteristics of an ion-containing solution is its ionic strength. For clarity, the units must be provided when expressing ionic strength as either molal (mol/kg solvent) or molar (mol/L solution). Lewis and Randall introduced the concept of ionic strength by describing the activity coefficients of strong electrolytes in 1921.
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In the context of biological and genetic risk and protective factors, the most powerful predictors of individual violent criminality in general are _____.
In the context of the biological and the genetic risk and protective factors, the most powerful predictors of the individual violent criminality in the general are family factors
A felony domestic violence the conviction is the single greatest predictor of the future violent crime. in Between 80 and 90 percent the murderers have prior police records in the contrast to 15 percent of the American adults overall Since this is the single and best predictor of the violence, it is a good idea to ask questions about past or the current violent behavior during your initial contact with the child or the family member. Specifically, you want to know about that person's most violent act, and how often he or she has violent thoughts in his life.
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Help please! worth 100 points. no links
hom-ozygous tall pea plants look the same as heterozygous tall pea plants. formulate a pollination experiment to identify whether a tall pea plant is hom-ozygous or heterozygous. explain your answer in 3-5 sentences.
When crossing two tall plants, we can use a punnet square to forecast the progeny, and we'll base our experiment on those odds.
What is punnet square ?Punnet square is the tool which is used to find the probability of outcomes .
Many geneticists utilize a punnet square as a tool. The genetic make-up of the parents is used to infer the genetic make-up of the offspring. Probabilities for each outcome will be provided by the punnet square. On the basis of homozygous and heterozygous alleles, we can create an experiment in which predictions are made using a punnet square.
We can only guarantee 100% tall plants when using two homozygous plants, and we can only promise 100% short plants when using two heterozygous plants.
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The children that result from crossing two tall plants can be predicted using a punnet square, and the experiment that will be conducted will be based on those probabilities.
What is punnet square used for?Numerous geneticists use the punnet square as a tool.
It determines the genetic makeup of the offspring based on the parent's genetic makeup.
We can calculate the odds of each outcome using the punnet square.
We can only grow tall plants with 100% accuracy when using two homozygous plants, and short plants with 100% accuracy when using two heterozygous plants.
To identify the homozygous and heterozygous plants, we can continue the tests until a small plant arises, or we can only grow tall plants.
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Explain WHY photosynthesis and respiration are NOT able to create a cycle of energy?
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
In a plant cell, photosynthesis and cellular respiration can both take place simultaneously. Plants carry out both photosynthesis and cellular respiration during the day. Cellular respiration continues because it provides the energy required for essential cell functions.
What role of photosynthesis and respiration in plant?Water and carbon dioxide are changed into oxygen and glucose during photosynthesis. The plant consumes glucose and produces oxygen as a byproduct.
Oxygen and glucose are transformed into water and carbon dioxide during cellular respiration. By-products of the process include carbon dioxide, water, and ATP, which is turned into energy.
To power cellular respiration, photosynthesis uses the energy it produces. During photosynthesis, solar energy is used, collected, and stored in the bonds of glucose molecules.
Therefore, photosynthesis and respiration not involve energy formation cycle.
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When purified cytochrome oxidase is exposed to cyanide, the cyanide binds reversibly and with high affinity to the enzyme’s active site. What will be the likely outcome if mitochondria are exposed to high levels of cyanide?.
The likely outcome if mitochondria are exposed to high levels of cyanide is that the cyanide will forestall the traffic of electrons along the electron transport chain.
Cyanide inhibits the enzyme cytochrome C oxidase, often known as Complex IV in the electron transport chain. By inhibiting this complex, cyanide effectively prevents electrons from passing along the chain. As a result, no proton gradient can be formed since protons cannot be moved from the matrix to the intermembranous region. In the fourth protein complex, electrons are received by oxygen, the last acceptor.
The oxygen with its extra electrons then combines with two hydrogen ions to form water, boosting the electrochemical gradient even further. Without oxygen, electrons could not be removed from the system, and without a proton gradient, protons would not flow through ATP synthase, resulting in no ATP generation.
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Describe how an understanding of both a normally functioning brain and a split brain enables us to better appreciate the fact that most information processing takes place outside of conscious awareness.
Answer: Most of the information we take and store in our brain takes place without us realizing it. The split brain shows us how that both sides do not work together which gets in the way of putting information together. A normal brain can and does work in putting information together. A split-brain jumbles the information and doesn't process it correctly.
Explanation: