wer
Should both of drinks Wand X be taken off the shelves? Why? *
Answer:Subtle laws govern wand ownership, but the conquered wand will usually bend ... A wand choosing to work for a wizard is said to have given them its allegiance. ... When the cores of two wands derive from the same source, they are referred to
Explanation:
What is extinction?
please help me
In simple words, extinction refers to when any species disappear or gets terminated.
Extinction can occur either due to natural events such as tsunami, earthquake, etc. or due to human influence such as air pollution, water pollution, etc. When the last member of any species is dead then it is called as extinction of their species.
Examples of the death of species can be climate change, pollution, etc. Examples of species which are extinct : Dodo, Tasmanian Tiger, Dinosaurs, Golden Toad, Great Auk, Javan Tiger, etc.
Extinction is of three types ;
1. Mass Extinction
2. Background Extinction
3. Human-Led Extinction
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how are the offspring produced in asexual reproduction different from those in sexual reproduction? in terms of agricultural studies, when would it be advantageous to produce an organism through asexual reproduction?
Through reproduction, living things produce offspring that are genetically identical to themselves. Without it, there wouldn't be any more life on Earth. The offspring produced in asexual reproduction are identical to their parents.
While sexual reproduction inherit some unique genes and distinguishing characteristics from their parents, asexual reproduction are genetically identical to their parents. This is the key distinction between the progeny of asexual and sexual reproduction. It is possible for organisms to reproduce asexually, or without mating or sexual activity. Mitosis is, in other words, the process through which an organism develops offspring from unspecialized cells. The process through which organisms reproduce sexually, on the other hand, is referred to as sexual reproduction. Both female and male gametes (sperm) are engaged in this (egg). When the gametes join, an embryo is produced that has two sets of chromosomes—one inherited from the mother and one from the father.
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in a large population of randomly reproducing rabbits, a recessive allele r comprises 80% of the alleles for a gene. what percentage of the rabbits would you expect to have the recessive phenotype
The percentage of rabbits with the recessive phenotype is 64%.
In a large population of randomly reproducing rabbits, a recessive allele r comprises 80% of the alleles for a gene.
The percentage of rabbits that would be expected to have the recessive phenotype is 36%.The frequency of the dominant allele will be represented by p and the recessive allele by q. The frequency of the homozygous dominant genotype (p²) will be calculated as (0.2)²=0.04.
The frequency of the heterozygous genotype (2pq) will be calculated as 2(0.2)(0.8)=0.32. The frequency of the homozygous recessive genotype (q²) will be calculated as (0.8)²=0.64.
The percentage of rabbits with the recessive phenotype will be the frequency of the homozygous recessive genotype multiplied by 100%.
The percentage of rabbits with the recessive phenotype is 0.64 x 100% = 64%.
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sweet taste is felt earlier than the
witter taste, why.
->
Answer:
Because our taste receptors recognise sweet taste faster than bitter taste.
because the taste receptors for tasting sweetness are at the tip of your tongue while the receptors for tasting bitterness are at the back of the tongue
why do primates have long growth and development periods?
Primates have long growth and development periods to support the complexity of their brains, social behaviors, and learning abilities.
Primates, including humans, have relatively long growth and development periods compared to many other animals. This extended period of maturation is linked to several factors:
1. Complex Brain Development: Primates have large and complex brains that require more time to develop fully. The prolonged development period allows for the intricate wiring and maturation of neural circuits, facilitating the acquisition of complex cognitive functions.
2. Social Learning and Behavior: Primates, particularly humans, engage in complex social behaviors and exhibit a high degree of social learning. They rely on observation, imitation, and cultural transmission for acquiring skills, knowledge, and social norms. The extended growth and development periods provide an opportunity for primates to learn from their social group, acquire behavioral patterns, and develop social bonds.
3. Adaptability and Flexibility: Primates inhabit diverse environments and face various ecological challenges. The extended development period allows them to acquire a broad range of skills and knowledge necessary for survival and adaptation. It provides time for learning and refining motor skills, problem-solving abilities, and adaptive behaviors in response to environmental demands.
4. Parental Care and Investment: Comparatively speaking to many other species, primates often display a higher amount of parental concern. The prolonged time of growing enables parents to assist, shield, and direct their children while they negotiate the intricacies of their environment. The prolonged time of development in primates is influenced by parental involvement, including nursing, instruction, and socializing
The complexity of their brains, social behaviors, learning capacities, and requirement for flexibility in a variety of habitats are all factors that contribute to the lengthy growth and development phases seen in primates.
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8. blocking ribosomes prevents? a. protein packaging b. protein folding c. protein secretion d. protein assembly e. protein absorption
Blocking ribosomes prevents protein assembly. The correct answer to the question is option d) protein assembly.
Blocking ribosomes can prevent protein assembly, which is the process of assembling amino acids to form proteins. Ribosomes are the primary site of protein synthesis in a cell, and they play a crucial role in the formation of peptide bonds between amino acids. By blocking ribosomes, the formation of peptide bonds is impeded, which can lead to the inhibition of protein assembly.
This can occur due to several factors such as the presence of an antibiotic that prevents the functioning of ribosomes, or the genetic modification of the ribosome, which changes the way it interacts with amino acids. Blocking ribosomes can have significant consequences on the cell's ability to carry out its normal functions, as proteins are essential for the proper functioning of all living organisms.
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In a short essay (100–150 words), explain how oxidative phosphorylation—the production of ATP using energy derived from the redox reactions of a spatially organized electron transport chain followed by chemiosmosis—is an example of how new properties emerge at each level of the biological hierarchy.
Answer:
Oxidative phosphorylation is the main process that takes place in the mitochondria to produce ATP by the series of various carriers from NADH or FADH2 to Oxygen molecules. This involves a spatially organized electron transport system in form of a chain of the redox reactions.
The properties that emerge occurs only when there is two or more part of the chain work together and not individually. If all the part such as various part of ETC or ATP synthase and the membrane of the organelle all together workes in an orderly manner then only ATP will be formed by producing H+ protein.
What is true about cellular respiration and 2 facts about photosynthesis and cellular respiration
Answer:
* The glucose needed for Cellular respiration is delivered by plants. Plants experience a process known as photosynthesis.
* Photosynthesis can be considered as the contrary process of Cellular respiration. Through two processes known as the light reactions and the dark reactions, plants can assimilate and use the energy in daylight. This energy is then changed over alongside water and carbon dioxide from the environment into glucose and oxygen.
* Since this is the contrary process of Cellular respiration, plants and animals are said to have a cooperative relationship. This implies that plants and animals live respectively and advantage from one another.
Explanation:
Cellular respiration is the process by which the substance energy of "food" particles is delivered and incompletely caught as ATP. Starches, fats, and proteins would all be able to be utilized as fills in cellular respiration, yet glucose is most normally utilized as an illustration to analyze the responses and pathways included.
PLZ HELP WILL GIVE BRAINLIEST
Answer:
A, B, and D are correct
Explanation:
I took biology
What is true about the chromosomes within the cells of a sexually reproductive organism?(1 point).
The correct option is B. A cell within the organism will have two sets of chromosomes, one from each parent, identical to the pair of chromosomes in all cells in the body.
What happens to chromosomes in organisms that reproduce sexually?When the two sexual gametes, one from the mother (ovum) and the other from the father (sperm) fuse, fertilization occurs, this generates the formation of the zygote that will later generate the fetus. Each of the gametes will have genetic material and a genetic recombination will be generated.
So, in reproduction there will be 23 pairs of chromosomes in each cell with half of the genes from each parent and a pair of sex chromosomes that tells us the sex of the individual.
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What is true about the chromosomes within the cells of a sexually reproductive organism?
A. A cell within the organism will have two sets of chromosomes, one from each parent, and each type of specialized cell has different genes
B. A cell within the organism will have two sets of chromosomes, one from each parent, identical to the pair of chromosomes in all cells in the body
C. A cell within the organism will have two genetically identical sets of chromosomes and every chromosome in the body will be genetically identical
D. Half of the cells from the organism will have chromosomes from one parent and the other half of cells will have chromosomes from the other parent
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The diagram shows a quadrat containing some plants, some of which have flowers. How many flowering plants would you expect to find in a garden measuring 10m × 15m?
To estimate the number of flowering plants in a 10m × 15m garden, you'll first need to determine the area of the quadrat and count the number of flowering plants within it. Quadrat sampling is a common method used in ecology to estimate the abundance or density of organisms in a given area.
The basic idea is to randomly place a quadrat (a square or rectangular frame of known size) on the ground and count the number of individuals of interest that are found within the quadrat.
This count is then used to estimate the total number of individuals in the larger area based on the assumption that the density of organisms is relatively uniform across the area being sampled.
Next, calculate the area of the garden and divide it by the quadrat's area. Finally, multiply the number of flowering plants in the quadrat by this ratio to estimate the total number of flowering plants in the garden.
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2. What do you think are the gases that enter a plant?
Answer:
Carbon dioxide, water, and sunlight I believe.
Explanation:
Carbon dioxide enters through tiny holes in a plant's leaves, flowers, branches, stems, and roots. Plants also require water to make their food.
I need help with this practice In your own words, give a general description of the species: Blue Jay Please,(If you use any words that are not your own, please reword it to your own words) as I would like you to explain it
The Cyanocytta crystal commonly known as a Blue jay is native of eastern North America, it lives in deciduous and coniferous forests, though can be found in certain urban areas. It feeds mostly on seeds, sometimes even stockpile generating seed banks, or on rare occasions can feed on small invertebrates and vertebrates si can be considered as mainly a primary consumer.
describe the relationship between water velocity and water loss
Answer:
If the water velocity decreases, the rate of erosion increases.
A substitution mutation occurred and changed the 5th base in the DNA from a C to a T. Write the sequence of RNA codons that would result from this kind of mutation. **Separate each codon with a space. TACACGCAATTACCAGGGTAGCCATTGATT
The sequence of RNA codons resulting from the substitution mutation that changed the 5th base in the DNA from a C to a T is AUGUGCGUUAUCCAGGGUAGCCAAUUGA.
In DNA, the base C (cytosine) pairs with G (guanine), while in RNA, the base C pairs with G. However, due to the substitution mutation, the original C is replaced by a T (thymine) in the DNA sequence.
In RNA, thymine is replaced by uracil (U). Therefore, the RNA codons corresponding to the mutated DNA sequence can be derived by replacing each T with U and maintaining the sequence order.
The original DNA sequence TACACGCAATTACCAGGGTAGCCATTGATT would have the corresponding RNA codons AUGUGCGUUAUCCAGGGUAGCCAAUUGA. Each codon consists of three bases and represents a specific amino acid or a start or stop signal in the translation process of protein synthesis.
It's important to note that the given DNA sequence is provided as a single continuous string, and without additional information about the reading frame or specific gene sequence, it is not possible to determine the precise protein sequence or the functional implications of the mutation.
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What would happen to a plant cell if its cell wall stopped working properly?( Khan academy)
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
The cell would lose its rigid shape.
(Choice B)
B
The chloroplasts would take over the cell wall’s function.
(Choice C)
C
The cell would not be able to make sugar via photosynthesis.
Answer:
A
The cell would lose its rigid shape
Answer:
Option A ) A Cell Would Lose Its Rigid Shape
Explanation:
Cell wall is thick and rigid structure surrounded the cell membrane of plants, bacteria and fungi.
Cell wall is an essential part of a plant cell. Cell wall serves many important functions. One of this important function is withstanding the internal turgor pressure.
Water tends to enter the cell from outside environment because of concentration gradient. Most of the plant cell volume is covered by a large single membrane (called tonoplast) bounded organelle called vacuole. Water from outside moves into this vacoule and hence plant get a descent turgidity and support.
As water enter into the vacoule it exert a pressure on its wall as a reault the vacoule inturn exert a pressure on the cytoplasm and organelles. The cytoplasm stretches toward the periphery and hence a pressure is exerted on the cell membrane. This pressure is known as turgor pressure. Here cell wall come into play and help the cell to withstand this turgor pressure.
A marine scientist wants to understand the effects of tsunamis on beach erosion. Unfortunately, it is hard to predict when and where tsunamis will be triggered. What research methods would best allow him to overcome this limitation in studying tsunamis? Build a small-scale model of a beach to simulate the effects of tsunamis Hire more people so that they can be located everywhere around the world Build a machine to simulate earthquakes and generate real-time tsunamis Focus his research on typhoons instead.
To overcome the limitation of unpredictability in studying tsunamis, the marine scientist can employ the following research methods:
Build a small-scale model of a beach to simulate the effects of tsunamis.Focus his research on typhoons instead.By constructing a scaled-down model of a beach and subjecting it to controlled wave simulations, the scientist can observe and measure the impact of tsunamis on beach erosion. This allows for repeated experiments under controlled conditions, providing valuable insights into the behavior of tsunamis and their effects on coastal areas.
Since tsunamis are challenging to predict, the scientist can shift their focus to studying the effects of typhoons on beach erosion. Typhoons, or tropical cyclones, can generate powerful waves and storm surges that impact coastal regions. By investigating the relationship between typhoons and beach erosion, the scientist can gather relevant data and draw conclusions about the general processes and mechanisms involved in coastal erosion caused by extreme weather events.
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Why is water from an aquifer more likely to be cleaner than water from other sources?
Fill in the blank with the term that fits the description. ______________________ 1. The oxygen and carbon dioxide carrying cell ______________________ 2. Help the body fight infections and foreign substances ______________________ 3. Form a clot to help the body stop bleeding ______________________ 4. Another name for red blood cells ______________________ 5. Another name for platelets ______________________ 6. Another name for white blood cells ______________________ 7. Large cells that develop into platelets ______________________ 8. A deficiency in number of RBCs or decreased hemoglobin content of blood ______________________ 9. An abnormal increase in RBCs ______________________10. An abnormal increase in WBCs ______________________11. A deficiency in WBCs ______________________12. A deficiency in platelets Connie Allen; Valerie Harper. Laboratory Manual for Anatomy and Physiology, 7th Edition (p. 435). Wiley. Kindle Edition.
Red blood cells.2. White blood cells.3. Platelets.4. Erythrocytes.5. Thrombocytes.6. Leukocytes.7. Megakaryocytes.8. Anemia.9. Polycythemia.10. Leukocytosis.11. Leukopenia.12. Thrombocytopenia.The term that fits the description in number 1 is red blood cells. Red blood cells, or erythrocytes, transport oxygen and carbon dioxide in the blood.
The term that fits the description in number 2 is white blood cells. White blood cells, or leukocytes, help the body fight infections and foreign substances.The term that fits the description in number 3 is platelets. Platelets, or thrombocytes, form a clot to help the body stop bleeding.The term that fits the description in number 4 is erythrocytes. Erythrocytes are another name for red blood cells.The term that fits the description in number 5 is thrombocytes. Thrombocytes are another name for platelets.The term that fits the description in number 6 is leukocytes. Leukocytes are another name for white blood cells.The term that fits the description in number 7 is megakaryocytes. Megakaryocytes are large cells that develop into platelets.
The term that fits the description in number 8 is anemia. Anemia is a deficiency in the number of RBCs or decreased hemoglobin content of blood.The term that fits the description in number 9 is polycythemia. Polycythemia is an abnormal increase in RBCs.The term that fits the description in number 10 is leukocytosis. Leukocytosis is an abnormal increase in WBCs.The term that fits the description in number 11 is leukopenia. Leukopenia is a deficiency in WBCs.The term that fits the description in number 12 is thrombocytopenia. Thrombocytopenia is a deficiency in platelets.
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a. When a person gets a stroke or heart attack, brain or cardiac (heart) muscles die. Why is this a
problem?
the medulla oblongata is continuous caudally with the
A white blood cell (WBC) count is performed on a blood specimen from a newborn using a hematology analyzer that does not have the capability to detect and quantify nucleated red blood cells (NRBCs). The WBC count that is reported by the analyzer is 28.2 x 109/L, a
The action that should be taken is that:
The person needs to count the number of cells that looks like the cells in the image attached (that is per 100 WBCs) and then they need to put together the corrected WBC count through the use of this formula.
The Total WBCs x 100 / 100+ the number of NRBCs.What does white blood cell count tell a person?A white blood count is known to be a factor that is often used to measures the rate or the number of white cells that is present in your blood.
Note that the White blood cells are a key aspect of the immune system and as such, the action that should be taken is that:
The person needs to count the number of cells that looks like the cells in the image attached (that is per 100 WBCs) and then they need to put together the corrected WBC count through the use of this formula.
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A white blood cell (WBC) count is performed on a blood specimen from a newborn using a hematology analyzer that does not have the capability to detect and quantify nucleated red blood cells (NRBCs). The WBC count that is reported by the analyzer is 28.2 x 109/L and it is flagged for a manual differential. Upon review of the blood film, more than 6 nucleated cells that resemble the cells shown in the image were identified in the 100 WBC differential. What action should be taken?
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the major way that meiosis ii differs from mitosis is that multiple choice in meiosis ii, the homologues separate.
The major way that meiosis II differs from mitosis is that homologues separate.
Meiosis II and mitosis are two cell division processes that are different in many ways. In meiosis II, the homologous chromosomes are separated. The two cells that are formed after meiosis I go through meiosis II. During meiosis II, the chromatids separate, producing four genetically distinct daughter cells. This separation is different from mitosis, which results in two identical daughter cells.
In mitosis, homologous chromosomes are not separated, whereas in meiosis II, homologous chromosomes are separated. Meiosis II begins with the daughter cells produced during meiosis I. Meiosis II is a crucial process for sexual reproduction, producing four genetically distinct daughter cells. These cells have different genetic information that is essential for the formation of the zygote.
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Lyme disease is an example of a(n) ______ infectious disease, because it is only seen in areas of the US where the tick vector for the pathogen is found.
Lyme disease is an examples of vector borne infectious disease.
What is Lyme disease?Lyme disease is also called Lyme borreliosis, is an example of a vector-borne disease whose causative agent is Borrelia bacterium and it is transmitted by tick in the genus Ixodes. The common sympyoms of the infection is red rash, known as erythema migrans, which appears at the site of the tick bite.
Therefore, Lyme disease is an examples of vector borne infectious disease.
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Lyme disease is a disease transmitted by the bite of an infected tick and is an example of an endemic infectious disease.
What is an endemic infectious disease?It refers to the constant presence and/or habitual prevalence of a disease or an infectious agent in a population of a geographic area.
Lyme disease is a borreliosis transmitted by ticks of the genus Ixodes that seems to be limited to certain geographic areas of the US, therefore it is considered endemic.
Therefore, we can conclude that Lyme disease is a disease transmitted by the bite of an infected tick and is an example of an endemic infectious disease.
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Which group of plant-like protists would have organisms that are multicellular?
Answer:
Algae
Explanation:
how replacing fossil fuels with biofuels will affect climate change
Answer: Replacing fossil fuels with biofuels has the potential to reduce some undesirable aspects of fossil fuel production and use.
Explain:
Fuels produced from renewable organic material possibly have the potential to reduce some undesirable aspects of fossil fuel production and use, including conventional and greenhouse gas (GHG) pollutant emissions, exhaustible resource depletion, and dependence on unstable foreign suppliers also. -i hope this helped :)
Free ribosomes are found...
A. in the cytoplasm
B. attached to the endoplasmic reticulum
C. attached to sections of DNA
Answer:
♡hi there hooman ♡
-- it's b
~Clara ✧・゚: *
Explanation:
A study by Bechtel et al., 2009, described in the Archives of Environmental \& Occupational Health considered polycyclic aromatic hydrocarbons and immune system function in beef cattle. Some cattle were near major oil-and gas-producing areas of western Canada. The mean monthly exposure to PM1.0 (particulate matter that is <1μm in diameter) was approximately 7.2μg/m 3
with standard deviation 1.5. Assume that the monthly exposure is normally distributed, What is the probability of a monthly exposure greater than 9μgm 3
? Round your answer to three decimal places (e.8. 98.765 ).
The probability of a monthly exposure to PM1.0 greater than 9μg/m3 is approximately 0.091.
To calculate the probability, we need to standardize the value of 9μg/m3 using the given mean and standard deviation. The formula for standardization is z = (x - μ) / σ, where z is the standardized value, x is the observed value, μ is the mean, and σ is the standard deviation.
In this case, the mean (μ) is 7.2μg/m3 and the standard deviation (σ) is 1.5μg/m3. Plugging these values into the formula, we get z = (9 - 7.2) / 1.5 = 1.2 / 1.5 = 0.8.
Now, we need to find the probability of a z-score greater than 0.8. Using a standard normal distribution table or calculator, we can determine that the area to the left of 0.8 is approximately 0.7881. Therefore, the probability of a z-score greater than 0.8 is 1 - 0.7881 = 0.2119.
So, the probability of a monthly exposure greater than 9μg/m3 is approximately 0.2119, which can be rounded to 0.091 when expressed as a percentage.
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What describes an alternating current? (Choose all that apply)
can be transmitted over great distances
moves in two directions
can be used only for short distances
moves in only one direction
An alternating current can be transmitted over great distances, moves in two directions.
What is alternating current?Alternating current (AC) is an electric current that periodically reverses direction and changes its magnitude. This type of current is used to power most appliances and machines in homes and businesses. AC is generated by an AC generator, or alternator, which uses electromagnetism to convert mechanical energy into electrical energy. AC electricity is composed of a waveform which alternates between positive and negative values, allowing it to be transmitted over long distances. AC also has the benefit of being able to easily be converted into higher or lower voltages, allowing its use in various applications.
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