Answer:
Genetic testing plays a vital role in determining the risk of developing certain diseases as well as screening and sometimes medical treatment. Different types of genetic testing are done for different reasons: Diagnostic testing.
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During sporulation in Bacillus subtilis, the response regulator that positively controls many genes needed for sporulation and negatively controls genes not needed during sporulation is _________. Multiple Choice SpoOB SpoOA SpoOF SpoO
During sporulation in Bacillus subtilis, the response regulator that positively controls many genes needed for sporulation and negatively controls genes not needed during sporulation is SpoOA.
In Bacillus subtilis, sporulation entails asymmetric cell division followed by differentiation into the mother cell and the endospore. Numerous proteins make up the endospore coat, a thick shell that shields the bacterial DNA from stress.Spo0A, a transcription factor from the response regulator family, controls gene transcription at the start of sporulation in Bacillus subtilis. Traditionally, Spo0A has been thought to as the main regulator for entry into development.The primary regulator of sporulation, the transcription factor Spo0A, is phosphorylated as a result of the activation of histidine sensor kinases (such as KinA, KinB, and KinC), which shuttle phosphate via an extended phosphorelay.learn more about sporulation here: https://brainly.com/question/19279444
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According to an ideal free distribution, individual organisms would be expected to move into low-quality habitat when:
The organism will move in low-quality habitat when the benefit provided by the this habitat is same as that provided by the high-quality habitat.
Ideal free distribution is a theoretical concept in which the organism distributes itself in the environment such that the competition is minimized between the species and the fitness is increased. The ideal free distribution is assumed to have the constant distribution of organisms in the habitat. According to this theory, the organism can roam freely in all habitats provided that the resources are abundant.
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Evolutionary adaptations for survival on land produced tetrapods, which later evolved into _____________________________.
Evolutionary adaptations for survival on land produced tetrapods, which later evolved into amphibians, reptiles, and mammals.
Evolution: It can be defined as a natural phenomenon that involves the modifications in physical, biological, and metabolic characteristics of any species which get inherited from one generation to another resulting in better, more advanced new forms of species. This is a very slow process that usually took millions of years to establish a new species from a preexisting one.
The evolution of tetrapods started in the devonian period at around 400 million years ago which are kept under superclass tetrapoda which includes amphibians, reptiles, bird and mammales. The body plan, breathing plan, navigating plan all evolved with time and the tetrapods gets cherecterised into amphibians, reptiles, and mammals.
These facts were estabilished by the transitional fossils collected in late 20th century which are tested and studied on the basis of modern phylogenetic analysis.
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What is produced in a lymph node?
Answer:
The lymph nodes monitor the lymph flowing into them and produce cells and antibodies which protect our body from infection and disease.
Explanation:
Lymph nodes protect out body from infection and diesease
what are the effects of haemophilia
Answer:
Hemophilia can cause joint bleeding, which can lead to persistent joint illness and discomfort. Bleeding in the skull and, in certain cases, the brain can result in long-term complications such as convulsions and paralysis. If the bleeding cannot be stopped or if it happens in a crucial organ such as the brain, death may result.
Explanation:
A mating between a purebred purple-flowered pea plant and a purebred white-flowered pea plant would produce a(n) ______.
A mating between a purebred purple-flowered pea plant and a purebred white-flowered pea plant would produce a Hybrid.
In human genetics, assortative mating is a type of nonrandom mating in which pair connections are created based on phenotype (observable characteristics).
A statistical link between genotype and phenotype predicts a physical characteristic in a person or an anomaly in a patient with a specific mutation or a collection of mutations that are related to it.
The genotype of a purebred purple flowered pea plant will be PP
while the genotype of purebred white-flowered pea plant will be pp.
on crossing
PP X pp
Pp, Pp, Pp, Pp (offspring)
hence all the offspring produced will be hybrids.
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True or False. In pernicious anemia, oxygen depletion in the body becomes apparent withing the first 6 months of life.
False, pernicious anemia may take up to 5 years to show symptoms. However, the oxygen starts to get depleted within the first 6 months in thalassemia major.
Pernicious anemia:
In this condition, the body is unable to absorb vitamin B12 which leads to lowered amount of red blood cells which are responsible for carrying oxygen throughout the body. It is an autoimmune disease in which antibodies attack their own cells in the lining of the stomach which affects the absorption of vitamin B12. The symptoms of pernicious anemia are dizziness, fatigue, diarrhea, constipation, breathlessness, and loss of appetite. The depletion of oxygen is seen in thalassemia major within 6 months.
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Which two major parts of the Earth system does this photo most clearly
show?
A. Biosphere
M B. Atmosphere
C. Cryosphere
D. Geosphere
Answer:
C. Cryosphere
Explanation:
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What does the author predict about the future of the Earth's mantle? Do you support his educated guess? Use complete sentences to answer.
The earth's mantle will not change in the future because this region is safe from the intervention of human beings.
What happens in the Earth's mantle?The transfer of heat and material in the mantle helps us to determine the landscape of Earth. Activity in the mantle moves the plate tectonics, that contributes to volcanoes, seafloor spreading, earthquakes, and building of mountains.
So we can conclude that The earth's mantle will not change in the future because this region is safe from the intervention of human beings.
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Short fibers that branch out from the cell body and receive incoming messages are called.
Answer:
Pain receptors or receptors
Explanation:
When some organic molecules, such as lipids, are added to water, vesicles can form. Which of the following best describes how scientists hypothesize true cells evolved from vesicles?
Answer:
Vesicles that contained self-replicating RNA grew, split, and passed their RNA to daughters.
Your task is to convince this child that they are related to a fish. The kid is in 6th grade, so make sure you explain it in terms that they can understand. Your explanation will either be a persuasive essay or a flipgrid video.
In your explanation you must include:
Your claim, clearly stated
What natural selection is
How individuals within a population can have specific traits that give them a competitive advantage for resources over other individuals in the species.
How natural selection AND changes in an environment contributes to adaptation.
How adaptation of species over time contributes to evolution.
Explain how at least 3 lines of evidence (Fossil record, DNA sequences, Anatomy and Embryology) provides evidence of common ancestry.
Observations of patterns seen in Fossil record, DNA sequences, Anatomy or Embryology that can help explain your argument.
Multiple sources of evidence and detailed reasoning to convince the child that they are related to a fish.
Answer:
I don't know I don't know I don't know I don't know I don't know I don't know I don't know I don't know I
Individuals with beneficial traits are more likely to survive and reproduce.
Individuals within a population can have different traits because of genetic variation.
Individuals with beneficial traits are more likely to survive and reproduce in a changing environment.
Species become more different from their ancestors over time.
Fossil record shows that different species have evolved over time; DNA sequences show that different species share similar genes; Anatomy and embryology show that different species have similar structures.
The fossil record shows that fish evolved into amphibians, which evolved into reptiles, which evolved into mammals; DNA sequences show that humans and fish share many similar genes; The embryos of humans and fish have many similar structures.
1. Natural selection is the process by which individuals with certain traits re more likely to survive and reproduce than individuals with other traits. This is because the individuals with the beneficial traits are better able to compete for resources, such as food and mates.
2. This means that there are different versions of genes in the population. Some of these genes give individuals an advantage, such as being able to swim faster or see better.
3. Natural selection and changes in the environment can both contribute to adaptation. For example, if the environment becomes warmer, then individuals with traits that help them to cool down, such as sweating, will be more likely to survive.
4. The adaptation of species over time is what drives evolution. As species adapt to their environment, they become more different from their ancestors. Over millions of years, these differences can become so great that the species are no longer recognizable as being related.
5. There are many lines of evidence that support the theory of common ancestry. Three of the most important lines of evidence are the fossil record, DNA sequences, and anatomy and embryology. The fossil record shows that different species have evolved over time. DNA sequences show that different species share similar genes. Anatomy and embryology show that different species have similar structures and development.
6. Some observations of patterns seen in the fossil record, DNA sequences, anatomy, and embryology that can help explain the argument that humans are related to fish:
The fossil record shows that fish evolved into amphibians, which evolved into reptiles, which evolved into mammals. This shows that humans share a common ancestor with fish.DNA sequences show that humans and fish share many similar genes. This is because all of these species share a common ancestor.The embryos of humans and fish have many similar structures. This is because all of these species share a common ancestor.These sources include the fossil record, DNA sequences, anatomy, and embryology. I have also provided detailed reasoning to explain how these lines of evidence support the theory of common ancestry.
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The blue color of the sky results from scattering of sunlight by air molecules the blue light has a frequency of 7.5x10^14Hz calculate the wavelength (in meters) associated with this radiation
Answer:
Explanation:
Electromagnetic waves all travel at the speed of light when in vacuum, and essentially this same speed in normal air. Since wave speed is product of frequency and wavelength, c = f λ and λ = c/f = (3.00 x 108 m/s) / (7.5 x 1014 Hz) = 4.00 x 10-7 m = 400 x 10-9 m = 400 nm.
This cell is in a(n) _____ solution. This cell is in a(n) _____ solution. hypertonic isotonic hypotonic and isotonic hypotonic hypertonic or isotonic
This cell is in hypertonic solution.
What is hypertonic?In comparison to blood, hypertonic has a higher percentage of fluid, carbohydrates, and salt. Similar fluid, sugar, and salt concentrations exist in isotonic and blood.The salt solution is hypertonic with regard to the interior of the cells if there is a larger concentration of solutes outside the cell than inside it, as would occur if you placed red blood cells in a concentrated salt solution.A liquid that has a higher concentration of dissolved particles than regular cells and blood do, like salt and other electrolytes.Learn more about hypertonic here:
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Disclaimer: The question was given incomplete on the portal. Here is the complete question.
Question: This cell is in a(n) _____ solution.
A) hypertonic or isotonic
B) hypotonic and isotonic
C) hypotonic
D) hypertonic
E) isotonic
In Dendrobates frog species, some individuals produce only large, energy rich gametes and other individuals produce only small gametes with minimal energy reserves. Large gametes are not compatible with other large gametes and small gametes are not compatible with other small gametes. This species is clearly___________.
This species is clearly Anisogamous.
What are anisogamous species?
Anisogamy is a type of sexual reproduction in which two gametes with different sizes and/or forms are fused together. The larger gamete is often an egg cell, whereas the smaller gamete is a male sperm cell. The majority of multicellular creatures exhibit anisogamy.
In humans, for instance, the male gamete sperm is smaller and more mobile, whereas the female gamete egg is larger and less mobile.
In anisogamy, small gametes are not compatible with other small gametes, and neither are large gametes with other large gametes.
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When O2 binds to heme in hemoglobin, the ____ ion is drawn into the plane of the ____ causing a conformational change that is transmitted to adjacent subunits enhancing the ____ for additional O2 binding.
When O2 binds to heme in hemoglobin, the Fe3+ ion is drawn into the plane of the Porphyrin causing a conformational change that is transmitted to adjacent subunits enhancing the affinity for additional O2 binding.
Oxygen binds to the iron inside the heme, forming an octahedral iron complicated. This form is referred to as oxyhemoglobin; the form without the sure oxygen is known as deoxyhemoglobin. masses of exciting matters occur as a result of oxygen binding, structurally speaking, initially, the heme adjustments form.
Hemoglobin can be the concept of a tetramer made from alpha-beta dimers. The conformational trade that happens at some point of the T to R transition takes region in most cases inside the positions of those two dimers relative to one another (as opposed to among the alpha and beta subunits inside the equal dimer).
The hemoglobin molecule has four binding websites for oxygen molecules: the iron atoms in the four heme companies. For this reason, every Hb tetramer can bind four oxygen molecules. From the molecular weight of Hb, you can actually calculate that 1 g of Hb can combine with 1.39 ml of oxygen.
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how has molecular evidence helped support fossil evidence in determining the early ancestor of modern-day whales
The early ancestors of modern day whales have been determined by the help of comparison of milk protein.
The comparison of milk protein of the whales has confirmed that the ancestors of modern day whales lived on land.
Fossil records are very important as they provide information about the past . Through the fossil records one is able to understand about the organisms and their ancestors.It is possible to know about the structure, food habits and the environment they lived in of the ancestors.
Molecular evidence is that evidence which is the information found from the DNA of all living beings.
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What is a gene?
the different forms of a trait
Answer:
A gene is the basic physical unit of heredity. Genes are made up of a sequence of DNA and carry all the information needed to make us who we are. Genes are passed from parent to child in a specific sequence that decides our traits. Will you be short or tall, have straight hair or curly hair, blue eyes or green?, are a few examples of physical traits.
For the genomics division, Mother Goose is planning to replace the old system by the new one all at once. This is called a ____ conversion.
For the genomics division, Mother Goose is planning to replace the old system by the new one all at once. This is called a Phased conversion.
What is genomics division?The discrepancy between the genomic data that is available for those with a European ancestry and that for those with an Indigenous ancestry.
What are the categories of genomics?Structural genomics.Functional genomics. Comparative genomics.What is the purpose of genomics?The study of individual genes and how they affect heredity. Instead, the goal of genomics is to characterize and quantify all genes collectively.
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Which of the following would be expected in response to a growth signal activating Ras that is sustained?
apoptosis first, then cell cycle, then cell growth
cell cycle first, then cell cycle arrest, then metabolism
metabolism first, then apoptosis, then DNA replication
cell growth first, then DNA replication, then cell cycle arrest
The expected outcome for growth signal activating Ras is cell growth first, then DNA replication, then cell cycle arrest (Option 4).
What is the growth signal activating Ras?The growth signal activating Ras is a signaling pathway associated with cell differentiation.
The growth signal activating Ras promotes the cell cycle through different types of growth factors.
In conclusion, signal activating Ras activates cell growth first, then DNA replication, then cell cycle arrest (Option 4).
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What discovery in the 1900s supported Mendel's ideas?
Answer:
The discovery of Chromosomes
Explanation:
Population growth project: analyzing factors that affect carrying capacity and biodiversity
Answer:
One factor limits a population at a time. Suppose the area that had only enough food for 500 armadillos suddenly had enough food for 2,000 armadillos, but only enough water for 1,000 armadillos. The population still couldn't grow to 2,000 armadillos. Water would keep the population at 1,000 armadillos. In this case, water is the limiting factor.
Explanation:
The size of a population is limited by the carrying capacity of the environment. The carrying capacity is the maximum number of individuals that an environment can support. The carrying capacity of an environment can be limited by the availability of food, water, shelter, and other resources. Biodiversity is the variety of life in an area. The carrying capacity of an environment can also be limited by the number of different species that can coexist in an area.
Which is a major factor in determining what decisions to make when seeking help for domestic violence
The decisions affect the safety of the victim is the major factor in making decisions on how to seek help for domestic violence.
What is domestic violence?Domestic violence refers to violence that occurs in the home.
Domestic violence may occur in the following scenarios:
between husband and wife
between parents and childrenbetween children themselvesDomestic violence poses great harm to the victim.The major factor in determining what decisions to make when seeking for domestic violence is how the decisions affect the safety of the victim.
Which is a major factor in determining what decisions to make when seeking help for domestic violence? How financially stable the couple is How much the abuser loves the victim How much the victim loves the abuser How do the decisions affect the safety of the victim
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give me the seven basic life prossess
what are some of the complication related to miss match of blood groups during blood transfusion
A condition in which the common plantar nerve becomes entrapped between the 3rd and 4th metatarsal heads producing radiating pain distally is called:
A condition in which the common plantar nerve becomes entrapped between the 3rd and 4th metatarsal heads producing radiating pain distally is called Morton's neuroma.
What is Morton's neuroma?Too-tight or high-heeled shoes are common causes of Morton's neuroma. Your feet's nerves may experience compression or irritation as a result of these shoes. The strain on the inflamed nerve causes it to swell and ultimately become more painful.A swelling of the tissue surrounding the digital nerve that exits the ball of the foot and travels between the 3rd and 4th toes is known as a Morton's neuroma (Intermetatarsal Neuroma). If neglected, the illness causes irreversible nerve injury because it compresses and irritates the nerve.Learn more about Morton's neuroma here:
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If a follicle does not reach maturity during one ovarian cycle, it can finish maturing during the next cycle. True False
The statement 'if a follicle does not reach maturity during one ovarian cycle, it can finish maturing during the next cycle' is False.
What is a follicle?A follicle is a multicellular structure located in the ovaries that is able to release reproductive hormones during menstruation.
The ovarium follicle is fundamental during the menstrual cycle rate of a woman.
In conclusion, if a follicle does not mature during the ovarian cycle, then it won't continue the process during the next cycle and will become a structure known as corpus luteum.
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One cause of the Love Canal crisis was the:
sewage leaking into the ocean.
corroded pipes poisoning the water with metal.
U.S. Army dumping hazardous waste.
local cities dumping municipal waste.
One cause of the Love Canal crisis was the U.S. Army dumping hazardous waste and local cities dumping municipal waste.
What lead to the Love Canal crisis?The explosion is known to be one that was influence by a record of large amount of rainfall.
So therefore, One cause of the Love Canal crisis was the U.S. Army dumping hazardous waste.
Note that the canal was made into a kind of municipal and industrial chemical dumpsite.
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A substance will have a relatively rigid, unchanging shape in which of these state. liquid. plasma. gas. solid.
Answer: Solid
Explanation: a solid has its own shape and volume due to strong intermolecular (IM) attraction making it rigid.
a liquid has a volume but no shape due to relatively weak IM force, making it take the shape of the container it's in.
gases have no shape or volume due to even weaker IM force.
plasma can be considered a gas but it has charged particles and ions. so the answer is Solid due to strong IM force.
The hydrosphere is comprised of
The hydrosphere is comprised of all the water on a given planet.
This includes all water on the surface, underground, and in the air, including water in its liquid, vapor, or ice forms.
On Earth, for example, some parts of the hydrosphere include water vapor in the air, water in the oceans, and groundwater in wells, along with much more.