Answer:
B
Explanation:
Sickle cell anemia is a mutation of the red blood cells, caused by a missense mutation of the beta-haemoglobin gene.
This mutation is known as a missense mutation because it mistakes one amino acid, for another. Instead of having the codon read GAG, which codes for glutamic acid, the codon mutates to read GUG, which codes for the amino acid valine.
This seemingly small mutation, has a major overall effect on the structure of the beta-haemoglobin protein that is formed.
The other options explained:
A silent mutation happens when a codon changes, but the overall outcome leads to the same amino acid being produced (CUU and CUA both code for the amino acid leucine).
An insertion mutation happens when a nucleotide is unintentionally added into the chain of nucleotides. This can also lead to a frame-shift mutation, depending on the number of nucleotides have been added. Due to the fact that codons are read in sets of three, if three nucleotides are added next to each other, then that insertion mutation will have the effect of adding another amino acid to the chain, without changing anything else. However, if only one or two nucleotides are added, this insertion causes a frame-shift mutation which can alter the amino acids that come after it.
Sometimes a new experimental result may seem to go against a well-established scientific theory. Which statement BEST describes a scientific response to such a situation?
A) The old theory has to be discarded in favor of a new theory.
B) The result should be altered so that it matches the established theory.
C) New results should be verified by more experiments before it is accepted.
D) An established theory is based on evidence, so the new results must be incorrect.
C.) New results should be verified by more experiments before it is accepted
How do the finger-like projections facilitate the absorption?
what are the six kingdoms of living organisms
A medical researcher is studying the spread of a virus in a population of 1000 laboratory mice. during any week, there is a 70% probability that an infected mouse will overcome the virus, and during the same week there is a 40% probability that a noninfected mouse will become infected. two hundred mice are currently infected with the virus. how many will be infected next week and in 3 weeks? (round your answers to the nearest whole number.)
Calculate the number of mice infected with the virus next week and in 3 weeks based on given probabilities and the initial infected count.
The number of infected mice next week:
Initially infected mice = 200
Number of mice overcoming the virus = 0.7 * 200 = 140
Number of mice getting infected = 0.4 * (1000 - 200) = 320
Number of infected mice next week = 140 + 320 = 460
The number of infected mice in 3 weeks:
Number of mice next week = 460
Number of mice overcoming the virus = 0.7 * 460 = 322
Number of mice getting infected = 0.4 * (1000 - 460) = 216
Number of infected mice in 3 weeks = 322 + 216 = 538
What is the first step for managing innovation during discontinuous change?
The first step in managing innovation during discontinuous change is to: 1. Recognize the signals of change and emerging trends. 2. Analyze and interpret these signals to understand their implications. 3. Develop strategies to adapt to or leverage the discontinuous change through innovation.
The first step for managing innovation during discontinuous change is to recognize the signals of change and understand the emerging trends.
To effectively manage innovation in the face of discontinuous change, it is crucial to be vigilant and sensitive to early indicators of shifts in the business environment. These signals could come from various sources, such as changes in customer preferences, technological advancements, new regulatory requirements, or emerging competitive threats. By recognizing these signals early on, organizations can begin to assess the potential impact of these changes on their current operations and strategic direction.
Once signals are recognized, the next step is to analyze and interpret these trends to gain a deeper understanding of their implications. This involves gathering data, conducting market research, and engaging in strategic conversations with stakeholders, including customers, suppliers, and industry experts. The goal is to develop a comprehensive view of the changing landscape and to identify both the challenges and opportunities that it presents.
After a thorough analysis, organizations can then start to envision potential future scenarios and develop strategies to adapt to or capitalize on the discontinuous change. This may involve pivoting business models, investing in new technologies, re-skilling workforces, or exploring new markets. Innovation management in this context is not just about reacting to change but proactively shaping the organization's future by leveraging innovation to stay ahead of the curve.
Which is not a density-dependent factor limiting population growth?
A) predators
B) drought
C) food availability
D) living space
The correct answer is B. Drought
Explanation:
In biology, density-dependent factors are factors that directly depend on the population of organisms, this includes factors such as predators, diseases, resources availability or space that affect the size of a population by limiting it. For example, more organisms lead to little food availability and this leads to a decline in the number of organisms limiting population growth. On the other hand, factors that are not density-dependent are not related to the size of a population but can affect populations of any size. Considering this, the one that is not a density-dependent factor is drought as this is a natural disaster that can affect any population and is not related to the size of populations.
If a protein is denatured, what level of protein structure would remain intact
The primary structure of a protein remains intact when it is denatured, while the secondary, tertiary, and quaternary structures are disrupted. Denaturation can be caused by changes in temperature, pH, or chemicals, and sometimes it is reversible. Proteins need to be properly folded to function, and chaperones can assist in the folding process.
If a protein is denatured, the level of protein structure that would remain intact is the primary structure. Denaturation affects the secondary, tertiary, and quaternary levels of protein structure, whereas the primary sequence of amino acids held together by peptide bonds is preserved. This means that while the overall shape and function of the protein may be lost, the sequence of amino acids remains unchanged.
Denaturation can occur due to various factors, such as changes in temperature, pH, or exposure to chemicals. It is often reversible, allowing the protein to potentially refold and regain its function once the denaturing agent is removed. However, in some cases, denaturation can be irreversible, resulting in permanent loss of protein function, as in the cooking of egg whites where the albumin protein changes from clear to opaque.
Understanding protein folding is important since proper folding is essential for proteins to function correctly, and when denaturation occurs, this folding is disrupted. Some proteins are aided by chaperones to fold correctly, emphasizing the importance of correct protein structure for biological processes.
The violation of a statute that proximately causes an injury is termed as ________.
2. Cellulosic Biofuels are fuels that are produced by fermentation of cellulose containing materials (wood, leaves, paper, etc.) by yeast. what would be necessary before yeast cells are capable of fermenting sugars from cellulose? (Hint: consider the similarities between lactose and cellulose?)
The answer is hydrolysis. This can be achieved through the use of a strong acid or cellulolytic enzymes (from fungi) that are capable of converting the cellulose to fermentable sugars. This pretreatment hydrolyzes the β-1, 4-glycosidic linkages of cellulose subunits.
Do butterfly get food by eating other organisms
Which of the below organisms does NOT have a cell wall as part of their structure?
A.Oak Tree
B.Salmonella Bacteria
C.Seaweed
D.Turtle
Meteorologists draw lines called ______ on weather maps to connect locations with the same air pressure.
The correct answer is isobar.
The isobars refer to the lines of constant pressure. It is a line drawn on a map of a weather linking the points of equivalent pressure. The isobars are produced from mean sea level pressure reports and the values of pressure are illustrated in millibars.
The isobars help in demonstrating that how pressure are changing over space and so assist in illustrating the large-scale weather patterns across a region on the map.
Which of these word formulas for cellular respiration is correct?
A) Oxygen + Sugar → Energy + Carbon dioxide + Water
B) Carbon + Sugar → Energy + Carbon dioxide + Water
C) Nitrogen + Sugar → Energy + Carbon dioxide + Water
D) Hydrogen + Sugar → Energy + Carbon dioxide + Water
The correct word formula for cellular respiration is A).
[tex]oxygen \ + sugar \rightarrow \ (energy) \ + \ carbon \ dioxide \ + \ water[/tex]
FURTHER EXPLANATIONCellular respiration is the process of breaking down glucose to release energy. The glucose comes from food molecules and is oxidized or broken down by oxygen. The products of cellular respiration are carbon dioxide, water, and energy. The carbon dioxide is breathed out into the the atmosphere and the energy is mostly used by cells for different functions such as cellular division, protein synthesis, muscle contraction and movement, and transport of substances. Some energy is released as heat which is used to regulate the temperature of the body of warm-blooded organisms like mammals and birds.
The process of cellular respiration happens in the organelle called the mitochondria. The process converts chemical energy stored in food into other forms of energy including heat. Cellular respiration occurs in a series of steps and gradually releases the energy of glucose in small quantities. The chemical equation represented above is just the summary of the entire process. It is also called aerobic respiration.
Respiration can still occur when there is insufficient oxygen such as during exercise when the muscles are overworked. This is called anaerobic respiration. During this process, glucose is not completely broken down to carbon dioxide and water but lactic acid forms instead. This process releases some energy but not as much as aerobic respiration.
LEARN MOREAnaerobic respiration https://brainly.com/question/1439976ATP https://brainly.com/question/836188Photosynthesis https://brainly.com/question/873199Keywords: cellular respiration, aerobic respiration
The correct word formula for cellular respiration is as follows:
Oxygen + Sugar → Energy + Carbon dioxide + Water.Thus, the correct option for this question is A.
What is Cellular respiration?Cellular respiration may be defined as a process through which organisms disintegrate the molecules of glucose in order to derive energy in form of ATP in the presence of oxygen.
The complete reaction of cellular respiration is as follows:
[tex]C_6H_1_2O_6+6O_2[/tex] → [tex]6CO_2+6H_2O+ENERGY.[/tex]This important reaction is carried out in the cell organelle known as mitochondria. This is because it is known as the powerhouse of the cell by the derivation of energy in the form of ATP. Although this chemical reaction is carried out in the presence of oxygen, it is known as aerobic respiration.
Therefore, the correct option for this question is A.
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A nurse is providing education to a client with polycystic kidney disease (pkd). what are the four (4) disease management areas to review with this client?
Management should be taken like patient should, eat a low-salt eating routine containing a lot of organic products, vegetables and entire grains. Keep up a sound weight. In the event that if he smokes, he should quit. Exercise consistently.
Further explanation
Polycystic kidney disease
It is a hereditary sickness. This implies it is brought about by an issue with your genes. Polycystic Kidney Disease makes cyst that develop inside the kidneys. These cysts make the kidneys a lot bigger than they ought to be and harm the tissue that the kidneys are made of. Polycystic Kidney Disease causes constant kidney ailment (CKD), which can prompt kidney disappointment, or end-arrange renal malady. It causes around 2 percent of the instances of kidney disappointment in the United States every year.
Cyst
Fluid filled sacs are known as cyst.
Signs and symptoms of polycystic kidney disease
Hypertension. Severe pain on sides. Pain in head. Expanded size of your stomach area because of developed kidneys Urine of such patients have blood. Kidney stones Failure of kidney. Urinary tract or kidney diseases.Precautionary measures of polycystic kidney disease
Maintain your blood pressure. Maintain normal glucose level. Maintain body weight. Pursue a low-salt, low-fat eating regimen. Stop drinking. Try not to smoke or utilize any tobacco item. On the off chance that you smoke or use tobacco, quit now. Exercise for in any event 30 minutes every day, most days of the week.Answer details
Subject: Biology
Level: College
Key words
Polycystic kidney disease Cyst Signs and symptoms of polycystic kidney disease Precautionary measures of polycystic kidney diseaseLearn more to evaluate
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Polycystic kidney disease is an inherited disease that cannot be prevented. A healthy lifestyle can help in preventing further damage to the kidney such as keeping healthy blood pressure, healthy blood sugar level, limited alcohol, and low-fat diet.
Further explanation:
Polycystic kidney disease (PKD) is a genetic disorder that can be inherited from parents. It occurs due to the problem in the genes. In this disease, a number of cysts grow inside the kidney. Cyst is a sac filled with fluid that grows from the nephron. It increases the area of the kidney and also damages its tissue.
They are of two types: autosomal dominant PKD (adult PKD) and autosomal recessive PKD. Autosomal dominant PKD affects the kidney only. It does not produce any symptoms until the age of 30 to 50 years. Autosomal recessive PKD affects both kidney and liver. It is also called infantile PKD because it produces symptoms at a very younger age, sometimes even before their birth.
A healthy lifestyle helps in keeping the body in a working condition. It includes:
1. By maintaining healthy blood pressure.
2. By maintaining the level of blood glucose or sugar.
3. By maintaining the body weight.
4. By having a low salt and low-fat diet.
5. Thirty minutes of regular exercise.
6. Do not smoke and limit the amount of alcohol.
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Answer Details:
Grade: High School
Subjects: Biology
Topic: Excretory disease.
Keywords:
Polycystic, kidney genetic, inherited, autosomal, dominant, recessive, nephron, cyst, liver, blood pressure, alcohol, exercise.
He process of dna replication occurs just before ______________.
a.cytokinesis
b.replication
c.cell division
d.nucleosynthesis reactivate
• explain why the number of alleles per gene in an individual can be different from the number of alleles per gene in a population
Final answer:
The distinction between the number of alleles per gene in an individual versus a population is due to individuals carrying only two alleles for a gene, while a population can contain all possible alleles, exemplified by the ABO blood type system. This reflects genetic diversity and is central to population genetics.
Explanation:
The number of alleles per gene in an individual can differ from the number in a population because each individual in a diploid population carries only two alleles for any given gene, while the population as a whole can harbor multiple alleles for that gene.
For instance, the ABO blood type system in humans is dictated by three alleles, but any single human can only possess two of these alleles at any given time. However, across the whole population, all three alleles can be present, contributing to the population's genetic diversity. This distinction is essential in population genetics, where the study focuses on how selective forces and allele frequencies influence the genetic pool of a population over time.
Diploid organisms, such as humans, exemplify this by showing varied combinations of alleles (like those for blood type), thus demonstrating the population's ability to be polymorphic. This polymorphism is a cornerstone of genetic diversity and evolution, allowing populations to adapt to changing environments. Hence, the variation in alleles between individuals and populations underscores the complex interplay of genetics and evolution.
Which system worked with the nervous system to maintain homeostasis? a)SKELETAL b)CIRCULATORY c)RESPIRATORY d)DIGESTIVE
Angela works at a nursing home and notices some distinct differences among her patients. which of her patients is least likely to have alzheimer's?
Which condition would most likely result in an increase in the phenotypic variation within a population?
Question 4 options:
The variety of food available in the habitat decreases
A mutation leads to individuals with genetic differences
Competition is reduced for all individuals during the winter
Answer:
The correct option is Option B i.e. a mutation that leads to individuals with genetic differences.
Explanation:
The phenotype is the morphological character of an organism. Phenotype of a species depend on the genetic characteristics of the species itself, because all the characteristics are actually results of the genetic setup of the species.
So, a change in the genotype of the organism can bring massive changes in its phenotype. These genetic modifications are made up by the mutations.
Answer: Option b
Explanation:
The increase in the genetic variation among the individual of species is due to mutation. The more the rate of mutation more will be the genetic variation in the population.
The mutation can be defined as a phenomenon in which a slight change in the base pair may produce an individual(with some variation in their body ) in the same species.
So, the reason of genetic variation is mutation.
The site where the earliest known monkeylike haplorrhine fossils were found is called the __________ depression.
The sun is wonderful source of energy. It is renewable and natural with few dangers. Solar cells rely on the sun for energy. These cells would be more practical to use if they were ________.
A) larger
B) Nonrenewable
C) Pollution-free
D) less expensive
The sun is wonderful source of energy. It is renewable and natural with few dangers. Solar cells rely on the sun for energy. These cells would be more practical to use if they were less expensive
The cost of solar cells is one of the main factors limiting their adoption. If the cost were reduced, more people and businesses could afford to install and use solar panels, leading to greater practicality and usage of solar energy.
The other incorrect options are:
A) Larger - While larger solar cells can capture more sunlight and generate more electricity, this is not the primary limitation of their practicality. Making them larger does not necessarily address the cost issue, which is a significant barrier to their widespread adoption.
B) Nonrenewable - This option contradicts the renewable nature of solar energy. Solar cells are valued because they are a renewable energy source, so making them nonrenewable would not make them more practical.
C) Pollution-free - Solar cells are already pollution-free, as they do not emit greenhouse gases or pollutants during operation. Therefore, this characteristic is already inherent in their design and does not need to be improved for increased practicality.
which of these is not an enviromental effect of farming. habitat loss. soil erosion.flooding. incerased carbon dioxide levels
How would the closing of a department of motor vehicles (dmv) contribute to the criminology of place?
Answer:
It will turn out into an increasing on crime statistics in that place.
Explanation:
Hello,
The closing of a Department of Motor Vehicles (DMV) in such location may increase the crime statistics since it may become promoted by the fact that criminal minds will not be hesitate to commit crimes or vandalism, for instance, those that use vehicles, as long as they will not be recognized, thereby giving them the liberty to rein in the area.
Best regards.
Which is a part of interphase? A.Telophase B.Cytokinesis C.S phase D.Anaphase
Answer: The correct answer is -
C.S phase.
Explanation:
Interphase can be described as one of the two main phases of cell cycle (other being M phase).
It is further divided into three phases that are G1 (gap 1 phase where cell growth occurs and essential factors needed for DNA replication are synthesised) , S ( synthesis phase where replication of DNA takes place ) , and G2 phase (gap2 phase, in which certain organelles divide and cell prepares for division).
Thus, option C) S phase is the right answer.
To what part of a plant does the stem deliver water and nutrients?
The process of succession is necessary to maintain and establish stable communities.
Please select the best answer from the choices provided
T
F
Correct answer: True
Ecological succession is the process by which the structure of a biological community change after a long period of time and forms a climax community. It is a stable community that is formed by the process of ecological succession.
Primary succession is the succession that occurs where the soil is not able to support any life and the secondary succession occurs where the previous community lives but it was disturbed by the community that eliminates all the nutrient from the soil.
Hence, correct answer would be true.
Of the following terms, the one that includes all others is
a) Oxidation
b) Respiration
c) Metabolism
d) Polination
Plz give the correct answer with reason
The term that includes all others is Metabolism, because it refers to all chemical processes in a living organism, including Oxidation and Respiration.
Explanation:The correct answer is c) Metabolism. In biology, metabolism refers to all the chemical processes that occur within a living organism in order to maintain life. This includes both oxidation (or processes that deal with the breakdown of substances) and respiration (cellular processes that use oxygen and produce carbon dioxide).
Polination is a process related to plant reproduction and isn't directly related to oxidation, respiration, or metabolism. Therefore, we can infer that metabolism is the term that includes all others as it incorporates a wide range of biochemical reactions including oxidation and respiration.
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An appropriate frequency for a cardiorespiratory endurance program is _____ times per week.
A suitable frequency for a cardiorespiratory endurance program is three to five times per week.
Explanation:A suitable frequency for a cardiorespiratory endurance program depends on various factors, including the individual's fitness level and goals. However, a general guideline would be to aim for a minimum of three to five times per week. This allows for enough regular exercise to challenge and improve the cardiovascular and respiratory systems.
By engaging in regular cardiorespiratory exercise, such as running or swimming, the heart rate increases and the body becomes more efficient in delivering oxygen to the muscles. This leads to improved endurance and overall cardiovascular health.
It is important to note that individuals should consult with a healthcare professional or certified fitness trainer to determine the most appropriate frequency and intensity for their specific needs.
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Frogs lay thousands of eggs because many eggs die. This is a behavior is an example of
What is natural selection? A.a process that selects variations that help with survival and that spreads the variations to more offspring B. a process through which nature selects an individual within a population for extinction C. the difference in heritable traits within a population D. the process of nature that causes random variations to appear in the offspring of every generation
a process that selects variations that help with survival and that spreads the variations to more offspring.