dominant genetic diseases
HUNTINGTON DISEASE
Explanation:
caused by a mutation in one copy of a gene. if a parent has a dominant genetic disease, then each of that person's children will have 50% chance of inheriting it.
NO TREATMENTS CAN ALTER THE COURSE OF HUNTINGTONS DISEASE.
BUT MEDICATIONS CAN LESSON SOME SYMPTOMS OF MOVEMENT AND PSYCHIATRIC DISORDERS.
P.S. IF YOUR TYPING THIS CHANGE THE WORDS
hope it helped
A scientist observes rock masses that have moved past each other in opposite horizontal directions. Which feature does the scientist observe?
plateau
syncline
strike-slip fault
fault-block mountai
Answer:
Strike slip fault
Explanation:
when it masses moved away against horizontal directions.
What fear(s) or phobia(s) do you have? How intensely and how frequently are you affected by these fears or phobias, and how do you deal with them? What category in the DSM-5 do phobia's fall in?
Explanation:
secret service to reduce
what will happen when golgi apparatus is removed from the cell...........??????
Answer: all sorts of vesicle formation will stop
Explanation: If the Golgi apparatus is removed from the cell, all sorts of vesicle formation will stop. The Golgi apparatus is mainly responsible for transporting, modifying, and packaging of proteins and lipids into vesicles to be delivered to targeted destinations.
Which of the following are reactants of photosynthesis?
6CO2 + 6H2O + Energy
C6H12O6 + 602
CO2 + H2O + Energy
C6H12O6 + O2
The reactants of photosynthesis are as follows: 6CO2 + 6H2O + Energy.
PHOTOSYNTHESIS:
Photosynthesis is the process by which green plants obtain their food (glucose) using energy from sunlight. Photosynthesis occurs in the chloroplast organelle of plants. It involves a series of biochemical processes but can be summarized into the equation as follows:6CO2 + 6H2O + Energy = C6H12O6 + 6O2. From the equation above, 6 moles of carbon dioxide and water and energy are reactants of the photosynthetic process.Learn more at: https://brainly.com/question/1388366?referrer=searchResults
Answer: A. 6CO2 + 6H2O + Energy
Proof of validity is shown below.
what do you mean by photo synthesis
Answer:
Photosynthesis is the process in which plant make food in the presence of water sunlight minerals and carbon dioxide
Answer: Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
Which of the following BEST completes the analogy?
Answer:
there is nothing under the question.
Explanation:
Answer:
What are the options . comment
three adaptation of mouse?
Answer:
Mice sense their environment much in the same way as other mammal species. The house mouse has very good vision and hearing. They are equipped with large, cup shaped ears to help sense sound vibrations. They also have a good sense of smell and whiskers which they use to feel surface textures and air movements.The group members met on Saturday working on the project together.
Which revision corrects the error in the sentence?
The group members who were working on the project together met on Saturday.
Working on the project together on Saturday, the group members met.
On Saturday, the group members who were working on the project met together.
The group members met working on the project together on Saturday.
Answer:
Working on the project together on Saturday, the group members met
Answer:
The answer is B.
Explanation:
Which is the difference between an antibiotic and an antiviral?
Answer:
There are no options in this question, the options are as follows:
A. Antibiotics build up immunity, and antivirals increase white blood cells.
B. Antibiotics treat the symptoms, and antivirals destroy the causing organism.
C. Antibiotics are in liquid form, and antivirals are in mist form.
D. Antibiotics treat patients who have Staphylococcus, and antivirals treat patients who have the flu.
The answer is D
Explanation:
Specific drugs are used to curb infection or diseases caused by specific pathogens. An infection can be caused by either bacteria, virus or fungi. Considering their different mechanism of infection, viral infections are treated with the use of ANTIVIRAL DRUGS while bacterial infections are treated with the use of ANTIBIOTICS.
According to this question, staphylococcus is a bacterial genus and hence, patients with staphylococcus can be treated with antibiotics while flu is a viral disease, hence can only be treated with antivirals.
Answer:
A. Antibiotics build up immunity, and antivirals increase white blood cells.
Explanation:
edg
Which of the following is a way of storing carbon in organic material?
A. Consumption
B. Respiration
C. Burning fossil fuels
D. All of these
The ways of sorting carbon in organic material is consumption, respiration, and fuel burning. The correct option is D.
What is organic material?Organic matter, also known as organic material or natural organic matter, is a massive source of carbon-based compounds detected in natural and engineered, terrestrial and aquatic environments.
There can be several ways to store carbon including consumption, respiration, and burning fossil fuel, etc.
Carbohydrates, lipids, proteins, and nucleic acids are the four primary types of organic compound present in all living things.
Organic compounds are crucial because carbon is found in all living organisms. They are the essential parts of many of the Earth's cycles.
The carbon cycle, for example, encompasses the exchange of carbon between plants and animals during photosynthesis and cellular respiration.
Thus, the correct option is D.
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Why is solving the pollution problem hard and expensive and difficult?
Answer:
Reduce the number of trips you take in your car. Reduce or eliminate fireplace and wood stove use. Avoid burning leaves, trash, and other materials. Avoid using gas-powered lawn and garden equipment.
During a six-month period, 239 cases of pneumonia occurred in a town of 300 people. A clinical case was defined as fever 39°C lasting > days with three or more symptoms (i.e., chills, sweats, severe headache, cough, aching muscles/joints, fatigue, or feeling ill). A laboratory-confirmed case was defined as a positive result for antibodies against Coxiella burnetii. Before the outbreak, 2000 sheep were kept northwest of the town. Of the 20 sheep tested from the flock, 15 were positive for C. burnetii antibodies. Wind blew from the northwest, and rainfall was 0.5 cm compared with 7 to 10 cm during each of the previous three years.
Situation 14.1 is an example of
A) human reservoirs.
B) a zoonosis.
C) a nonliving reservoir.
D) a vector
E) a focal infection.
The etiologic agent of the disease in Situation 14.1 is
A) sheep
B) soil.
C) Coxiella burnetii.
D) pneumonia.
E) wind.
The method of transmission of the disease in Situation 14.1 was
A) direct contact
B) droplet
C) indirect contact.
D) vector-borne.
E) vehicle.
A symptom of the disease was
A) fever
B) sweats
C) cough
D) aching muscles
E) None of the above
The portal of entry for the pathogen was
A) gastrointestinal
B) skin
C) respiratory
D) urinary
E) None of the above
Answer:
In the given case, the given symptoms suggest that this Situation is an example of zoonosis which is an infectious disease and can be caused by bacteria, viruses, parasites that spread between animals and humans.
3) Coxiella burnetti is the etiological agent or infection-causing agent here that is responsible for causing the disease.
4) Vehicle transmission takes place in case of infectious substances by various means, such as soil, water, or air, carries an infectious agent to a new host that is northwest winds here with less rainfall than normal.
5) High fever is a common symptom seen in this disease.
6) the respiratory tract or as the entry of the pathogen through the nose and it reaches the lungs.
A food web shows all the energy transfer interactions within a sample of organisms. A
food web diagram is provided.
Sun Algae Minnows - Bass
Insect
Larvae
기
Sunfish
Snapper
Turtles
Snails
The role of the snapper turtie is best defined by which of the following?
A
To break down waste products made by producers, such as algae
B
Top consumer that receives its energy from other consumers
С
Converts light energy from the sun and transfers it to consumers
D
Provides energy to the sunfish, snails, and bass
Answer:
The answer is most likely that the role of the snapper turtle is that it's the top consumer who receives its energy from other consumers
Explanation:
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Population Evolution Quiz
Biology Principles of Evolution
2. What is the result of a change in DNA?
selection
equilibrium
migration
mutation
Answer:
mutation
Explanation:
If any part of the DNA is changed, such as the base pairs, then it would result in the mutation of the DNA, causing it to carry out a different function
Help please ASAP
A species slowly loses numbers and goes
through natural selection until no individuals
are left. This describes what type of
extinction?
A evolved extinction
B. background extinction
C. mass extinction
D. endangered extinction
This question answer is :D endangered extinction
Which of the following characteristics do most amphibians share?
A. Amphibians spend their entire lives on land,
B. Amphibians lay their eggs in water.
C. Amphibians are invertebrates.
D. Adult amphibians use gills to breathe.
Answer:
`B
Explanation:
Answer:
B. Amphibians lay their eggs in water
In order for natural selection to occur, organisms must (select all that apply) Check All That Apply have variation that can be passed from one generation to the next. have variation that can be passed from one generation to the next. have differential reproductive success. have differential reproductive success. survive longer than another organism. survive longer than another organism. compete for resources. compete for resources. have adaptations to their environment. have adaptations to their environment.
Answer:
have variation that can be passed from one generation to the nextsurvive longer than another organismhave adaptations to their environment. have differential reproductive success.Explanation:
Naturla selection is the survival and reproduction of individuals due to different phenotypes. The naturla selection represents a mechanism of evolution and changes in traits of species.In order for natural selection to occur, organisms must :
have a variation that can be passed from one generation to the next.have differential reproductive success.Natural Selection is a mechanism of evolution that occurs when there is a heritable variation for a trait and individuals with one version of the trait have greater reproductive success than do individuals with a different version of the trait.
In order for natural selection to occur, three conditions must be met:
There must be variation for the particular trait within a population.The variation must be inheritableIndividuals with one version of the trait must produce more offspring than those with a different version of the trait.Thus,
In order for natural selection to occur, organisms must :
have a variation that can be passed from one generation to the next.have differential reproductive success.Learn more:
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Scientists can find new discoveries that change their current understanding of scientific knowledge.
Answer:
Change is the only thing that is constant in this world. Obviously, more discoveries would be made in the nearest future that will give their thought about science a new direction.
Explanation:
The diagram below shows a light ray striking Medium A and Medium B at the same angle. (4 points)
A rectangle labeled Medium A is drawn on the left. A ray of light travels through air and strikes the surface of medium A making an angle of 50 degrees with the vertical. The light ray bends towards the vertical as it travels through Medium A and makes an angle of about 15 degrees with the vertical. A rectangle labeled Medium B is drawn on the right. A ray of light travels through air and strikes the surface of medium B making an angle of 50 degrees with the vertical. The light ray bends towards the vertical as it travels through Medium B and makes an angle of about 25 degrees with the vertical.
Which statement is correct?
The speed of the light ray is the same in air and Medium A.
The speed of the light ray is the same in air and Medium B.
Medium A and Medium B have different densities because light refracts at different angles.
Medium A and Medium B have the same density because the light ray strikes both at the same angle.
Answer:
A the speed of the light ray is the same in air and medium
Explain how homologous and the fossil records support evolution.
Thanks so much!!!
Answer:
Los fósiles, una prueba de la evolucion. El estudio de los fósiles nos da una idea muy directa de los cambios que sufrieron las especies al transformarse unas en otras; existen muchas series de fósiles de plantas y animales que nos permiten reconstruir cómo se fueron adaptando a las cambiantes
Explanation:
Answer:
homologous: have identical position, value, or structure
Fossils: In the oldest rocks area unit fossils of the best organisms and within the newest rocks area unit fossils of additional advanced organisms.
Explanation:
The evolution theory is supported by multiple sorts of evidence: homologous structures show common ancestry, whereas similar selective pressure will manufacture similar variations. analogous structures (beneficial features).
In the oldest rocks area unit fossils of the best organisms and within the newest rocks area unit fossils of additional advanced organisms. This supports Darwin's organic process theory, whereby straightforward life forms {progressively|increasingly|more and additional} evolved into more advanced. Proof of adolescence forms comes from fossils.
In humans, brown eyes are dominant to blue eyes. If a blue-eyed man has children with a brown-eyed woman whose mother has blue eyes, what percentage of the brown-eyed offspring do you expect will be heterozygous
Answer:
50%
Explanation:
This question involves a gene coding for eye color in humans. The allele for brown eyes (B) are dominant to blue eyes (b). This means that blue-eyed individual will possess genotype: bb.
According to this question, a blue-eyed man (bb) has children with a brown-eyed woman (B_) whose mother has blue eyes (bb). Since the mother of the brown-eyed woman has a blue eye, this means that the woman will be heterozygous for brown eye (Bb).
Hence, the parents in this question will cross as follows: blue eyed man (bb) × brown-eyed woman (Bb). The offspring/children will have the following genotypes (see attached punnet square); Bb, Bb, bb, bb.
Based on the question, 2/4 = 1/2 of the children will be heterozygous for the eye color trait. That is, ½ × 100 = 50%.
What is nitrogen fixation?List all the ways in which nitrogen fixation takes place in nature.
Answer:
Hey mate.....
Explanation:
This is ur answer.....
Some forms of bacteria can convert atmospheric nitrogen into usable forms such as nitrates and nitrites. Such nitrogen fixing bacteria are commonly found in the roots of leguminous plants. These usable forms of nitrogen are absorbed by plants to produce many compounds such as amino acids, which in turn form proteins.
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Distinguish between epigeal and hypogeal germination.
Three points please. It gets me confused ♀️
Answer:
The main difference between epigeal and hypogeal germination is that in epigeal germination, the cotyledons emerge out of the soil during germination whereas, in hypogeal germination, the cotyledons remain inside the soil.
What form of genetic drift occurs from
adaptive radiation?
A. Founder Effect
B. Disruptive Selection
C. Coevolution
Answer:
b
Explanation:
Disruptive selection is a type of natural selection that selects against the average individual in a population. The makeup of this type of population would show phenotypes (individuals with groups of traits) of both extremes but have very few individuals in the middle.
The process of disruptive selection is a form of genetic drift that occurs from adaptive radiation (Option B).
What is adaptive radiation?Adaptive radiation is an evolutionary process that occurs as a consequence of the generation of different species from a single species.
Adaptive radiation is generally associated with the processes of speciation and disruptive selection.Adaptive radiation is fundamental for increasing the biodiversity in an ecosystem.In conclusion, the process of disruptive selection is a form of genetic drift that occurs from adaptive radiation (Option B).
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A tube with a membrane covering the bottom is placed in a beaker. The membrane allows water to flow through but not salt or glucose. The tube contains an aqueous solution with 4% salt and 20% glucose and the beaker contains an aqueous solution with 12% salt and 6% glucose. How could you describe the solution in the beaker compared to the solution in the tube
Answer:
The solution in the tube is hypertonic to the solution in the beaker.
Explanation:
To compare the solutions, find the total amount of solutes in both the tube and beaker.
The tube has 4% salt and 20% glucose, so it has 24% solute.
The beaker has 12% salt and 6% glucose, so it has 18% solute.
Since 24 is larger than 18, this means the tube has more solute.
Since the tube has more solute and less water compared to the beaker, it is hypertonic to the beaker.
So, the answer is that the solution in the tube is hypertonic to the solution in the beaker.
Solutions are hypertonic or hypotonic to other solutions according to their solute concentration grade. In the exposed example, the beaker aqueous solution is hypotonic to the tube solution, meaning it is less concentrated.
--------------------
Available data:
The membrane allows water to flow through but not salt or glucoseThe tube contains an aqueous solution with 4% salt and 20% glucoseThe beaker contains an aqueous solution with 12% salt and 6% glucoseWe need to describe and compare solutions.
To do it, first, we will review some theoretical framework.
When talking about solutions in compartison with the cell content, we can classify them as follows,
• HYPERTONIC ⇒ A hypertonic solution has a higher concentration of solute than the cell. This means that in the cell interior, the solute concentration is lower than in the solution itself.
• ISOTONIC ⇒ The solute concentration is the same inside the cell and outside.
• HYPOTONIC ⇒ A hypotonic solution has a lower concentration of solute than the cell. This means that in the cell interior, the solute concentration is higher than in the solution itself.
When a cell is in a hypotonic solution, through osmosis, water moves toward the cell.
Osmosis is the phenomenon that occurs when two dilutions of different concentrations -in this example, the interior of the tube and the beaker- are separated by a semipermeable membrane.
The membrane allows the pass of water but not solute. Hence, water can move from the most diluted side to the less diluted one.
What we need to consider is
• When a cell with semipermeable membrane is placed in a hypotonic solution, water enters the cell.
• When a cell with semipermeable membrane is placed in an isotonic solution, there is no water movement.
• When a cell with semipermeable membrane is placed in a hypertonic solution, water gets out of the cell.
In simple words, in the proposed experiment, glucose and salt -solutes- can not cross the membrane, but water can. The tube represents a cell. So,
The tube has 4% salt and the beaker 12 % saltThe tube has 20% glucose and the beaker 6% glucose.To make the analysis easier, we can add the concentration percentages of glucose and salt at each side of the membrane, and then compare them.
The tube contains an aqueous solution with 24% solute (4% salt + 20% glucose)The beacker contains an aqueous solution with 18% solute (12% salt + 6% glucose)We can see that the concentration of solute is higher in the interior of the tube than in the beaker. This difference suggests that water will move forward to the tube interior.
According to this analysis, we can say that
The tube aqueous solution is hypertonic to the beaker solution → More concentratedThe beaker aqueous solution is hypotonic to the tube solution → Less concentrated---------------------------------------------
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What genetic abnormality causes Down Syndrome? How does this usually happen?
If your body lacks enzymes that break down carbohydrates, it would be unable to get __A__ for energy production. If you lacked the enzyme to digest proteins, you may not absorb enough __B__.
Answer:
Glucose and amino acid.
Explanation:
If your body lacks enzymes that break down carbohydrates, it would be unable to get glucose for energy production while on the other hand, if you lacked the enzyme to digest proteins, you may not absorb enough amino acid that our body needs for the formation of muscles. Enzymes play a great role in the breakdown of macro food particles into simpler molecules so that it can be absorbed by the cells.
Answer:
A: Sugar Molecules
B: Amino Acids
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Explanation:
why is rna a polymer and a macromolecule
Answer:
RNA is a polymer because it is made up of many monomers called nucleotides. Moreover, RNAs can form macromolecules because many RNAs are large molecules (i.e., polynucleotide chains).
Explanation:
Ribonucleic acid (RNA) can be defined as a single-stranded nucleic acid polymer of the four nucleotides. In RNA, each nucleotide is composed of a 1-ribose sugar, a 2-phosphate group and 3-one of four types of nitrogenous bases: Adenine (A), Cytosine (C), Guanine (G), and Uracil (U), which are covalently bonded to form polynucleotide chains. There are different types of RNAs such as mRNA, tRNA, rRNA, miRNA, circ-RNAs, lncRNAs, etc. Many of these RNAs form large single-stranded (ss) molecules, i.e., polynucleotide chains. For example, an mRNA sequence may have a length of 5,000 nucleotides (5 kb) or even more, and there are RNA viruses that have more than 20000 nucleotides (20 kb) in length.
Which is NOT true about
natural selection?
A. It is observed in populations over generations.
B. It is done by humans to select certain traits useful to us.
C. It occurs with the traits that make a species successful.
D. It is similar to survival of the fittest.
Answer:
B. It is done by humans to select certain traits useful to us.
Explanation:
There are two main types of selection: natural and artificial. Natural selection is all of the other answers, it is seen over generations and allows the fittest to survive. It also occurs with no human intervention. However, artificial selection is done by humans. It occurs when humans breed animals to best fit their needs. This is best seen in dog breeding.
Can someone please help me!
Answer:
thats the 2 number point okay,plasma contains platelets ,ok
