When it comes to the original concentration of hemoglobin in the circulation cells, individuals who are heterozygous for the sickle cell allele generate both normal and abnormal hemoglobin.
What are the effects of sickle cell disease?Sickle cells that restrict blood flow deplete organs of both oxygen and blood. Blood oxygen levels are also abnormally low in sickle cell anemia. This deficiency in oxygen-rich blood can be lethal and harm nerves and organs like the kidneys, liver, and spleen.
The most frequent cause of SCD complications and the main reason patients with SCD visit the ER or hospital is pain. Sickled cells can become caught and impede blood flow throughout the body when moving through small blood veins, which hurts.
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This energy pyramid shows the flow of energy in an aquatic food chain. Choose the statement that correctly describes the flow of energy in this diagram.
*
Captionless Image
a. Consumers in the pyramid transfer their energy back to the sun after they die.
b. Plants at the bottom of the pyramid get their energy from the soil they grow in.
c. As you move up the pyramid, there is less energy at each level.
d. Each level of consumer needs to make up for the decrease in energy by absorbing energy from the sun.
c. As you move up the pyramid, there is less energy at each level.
What is energy pyramid?An energy pyramid is a graphical representation of the flow of energy in an ecosystem, with the base of the pyramid representing the primary producers, followed by successive levels of consumers, each with less energy available at that level. The energy at each level is a result of the transfer of energy from the previous level, usually through the consumption of lower level organisms.
Energy pyramids help to illustrate the relationships between different organisms in an ecosystem and the energy flow from one level to another. The top level of the pyramid represents the apex predator with the least amount of energy available, while the bottom level represents the primary producers, such as plants, which use energy from the sun to produce organic matter.
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24. A_____ provides the proportions of each type of white blood cell as percentages of the total white blood cell count. it is a valuable diagnostic tool
Answer:
A differential white blood cell count
Why does a thunderstorm get more severe rather than losing energy and disappearing?
"First, I'm going to record the record the pH of the soil, then I'm going to water the plant." This is an example of a:
This is an example of an Experimental procedure or a step-by-step plan for conducting an experiment.
What is an Experimental procedure?
An experimental procedure is a detailed plan or a sequence of steps that outlines how an experiment should be carried out.
In this example, the speaker is detailing two steps in the experimental procedure: recording the pH of the soil and watering the plant.
These steps help ensure that the experiment is conducted in a systematic and controlled manner, reducing the risk of errors and increasing the chances of obtaining reliable and meaningful results.
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Which factor distinguishes the experimental group from control group?
Answer:
The independent value or the independent variable
1. Compare the consequences of a gene deletion that occurs during
mitosis and meiosis. Which individuals (parents or progeny
experience the phenotypic effect of the gene loss in each case
Deletions in the genetic sequence during mitosis and meiosis result into frameshift and change in the reading frame of the DNA molecule.
What is Gene deletion?Gene deletion is the loss of all or a part of a gene. There may also be a change in the sequence of RNA and the protein which are made from that mutated gene.
Deletions in the gene can be caused by the errors in chromosomal crossover which takes place during meiosis, which causes several serious genetic diseases in the organisms. Deletions which do not occur in multiples of three bases can cause a frameshift of the sequence by changing the 3-nucleotide protein reading frame of the genetic sequence of the DNA.
Mitotic errors lead to DNA damage. Mitotic errors have long been recognized to be one of the major source of whole-chromosomal aneuploidy, however the recent evidence has also found to be linked with chromosome segregation errors to the generation of DNA damage which promotes structural alterations in the chromosomes.
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give any two reasons why phylogenetic classification is not always possible
Which of the following best describes Recombinant DNA?
A. DNA that has been copied into an mRNA strand.
B. A plasmid and restriction enzyme.
C. A bacterial gene with a target plasmid inside it.
D. A bacterial plasmid with a target gene inside it
Answer: D. A bacterial plasmid with a target gene inside it best describes Recombinant DNA.
Explanation: Recombinant DNA is formed by inserting a target gene of interest into a plasmid, which is a circular piece of DNA that can replicate independently in a bacterial cell. This results in a bacterial plasmid with the target gene inside it. The recombinant DNA can then be used for various purposes such as producing proteins, testing gene function, and more.
Can new brain cells be created
HELPP ALOT OF POINTS WILLGIVE BRAINILIEST
how do prairie plants provide habitat for pollinators?
Answer:
Prairie plants provide habitat for pollinators such as bees, birds, and butterflies by providing sources of food and shelter. Prairie plants also help optimize reconstructions of habitats for pollinators, which is an important ecosystem service. Additionally, prairies play an important role in the larger ecosystem.
Explanation:
Answer:
Pollinators need prairies AND prairies need pollinators.
Explanation:
Yet, they grow food for many of our insect species. Not only do prairies provide nectar and pollen from wildflowers, they provide shelter and nesting places.
how does matter move from dirt to a plant?
Matter moves from dirt to plant as follows: Dirt → Plants
What is matter?Matter is the basic structural component of the universe. Matter usually has mass and volume.
According to this question, an image attached shows how matter moves between objects (soil) and living organisms (plants and animals).
Matter present in the soil in form of nutrients, water etc. are absorbed by the root of plants, which when fed by animals get transferred to them.
Hence, it can be said that matter moves from soil or dirt to plants.
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Take a look at the information pertaining to the loss of biodiversity in North America (above) between 1970 and 2016. Which driver had the most negative impact on biodiversity? List and describe 3 factors that could lead to this impact.
Land use change (mainly for large-scale food production), which is responsible for 30% of the global biodiversity decline, is the primary direct cause of biodiversity loss.
What is biodiversity?The variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural environment are all included in what is known as biodiversity.
The greatest direct source of biodiversity loss is land use change, which accounts for 30% of the worldwide decline in biodiversity (mostly due to large-scale food production).
The second major factor, accounting for 20%, is overexploitation (overfishing, overhunting, and overharvesting) for goods including food, medicine, and timber.
Thus, this is the main negative impact on biodiversity.
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What does it mean when a cell does not respond to signals which tell it to stop dividing after its cell cycle is completed?
Answer:
Cancer
Explanation:
When cell divides without control it is said to be cancerous.
which substance is reactant in aerobic cellular respiration
The substance that is a reactant in aerobic cellular respiration is glucose and oxygen.
What is aerobic cellular respiration?In the presence of oxygen gas, cells undergo cellular respiration, which is how energy from food is produced. ATP, carbon dioxide and water are the end products of aerobic respiration, which starts with oxygen and glucose as reactants.
ATP, carbon dioxide and water are the end products of aerobic respiration, which starts with oxygen and glucose as reactants.
Therefore, glucose and oxygen are the substances that are a reactant in aerobic cellular respiration.
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macro and micro pores
Micropores are those pores most responsible for holding water. Water drains through the macropores, and settles into micropores.
Do macros and micropores explain?Macropores drain openly by gravity and allow easy movement of water and air. They give a habitat for soil organisms and plant roots can grow into them. With diameters less than 0.08 mm, micropores are tiny soil pores normally found within structural aggregates. Suction is needed to remove water from micropores.
Micropores are those pores most in charge of holding water. Macropores are those responsible for maintaining air. Water drains through the macropores, and resolves into micropores where the water is held very tightly.
So we can conclude that Examples involve zeolites, AlPO4, metal-organic frameworks (MOFs), clays, carbon, etc. Zeolites are the most well-known group of microporous matter.
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Explain the importance of legume to pasture
Answer: Better Growth Distribution: The addition of legumes to grass pastures often extends the grazing season and fills voids in grass monocultures. Some legumes can furnish quality grazing during the summer months, when cool-season pastures are less productive.
Answer: The addition of legumes to grass pastures often extends the grazing season and fills voids in grass monocultures. Some legumes can furnish quality grazing during the summer months when cool-season pastures are less productive
Legumes can also help to fill seasonal feed gaps and extend pasture life. Legume pastures provide palatable, digestible, high-protein feed for livestock. Feed intake of legumes in ruminants can be higher than in grasses due to the rapid breakdown of legume material.
Radioactive dating has allowed scientists to estimate the Earth's age. This technique relies on measuring the rate of radioactive decay of_____
A.stable parent elements
B.unstable parent elements
C.unstable daughter products
D.stable daughter products
I need a help
Answer: B.unstable parent elements
Explanation:
How can genetic engineering be used to help people with genetic disabilities?
Answer:
Fixing mutated genes.
Mutated genes that cause disease could be turned off so that they no longer promote disease, or healthy genes that help prevent disease could be turned on so that they could inhibit the disease.
Explanation:
have great day
Describe some of the challenges associated with saving the American chestnut tree using specific examples from the text
A biological control based on a virus that prevents the blight fungus from killing trees can be used to treat chestnut trees with blight cankers by applying mud packs directly to each canker.
Can you eat raw chestnuts?Although raw European chestnuts are not recommended, ours are fantastic! The nut is easily broken in two because the shell is leathery rather than rigid. Chestnuts can be chewed if you can chew carrots.
When ought one to consume chestnuts?When they naturally fall from the tree, chestnuts are mature. They mature throughout the course of two to four weeks in September and October. Avoid knocking the nuts from the tree since they gain half of their ultimate weight in the last two weeks before they fall.
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Question 2 of 20:
Select the best answer for the question.
2. Which of the following is not an ancestral characteristic of primates?
Answer: Stereoscopic vision?
Explanation:
I'm not sure what the options are.
Martha argues is that her small rock is a living organism but because she found it in the grass in her yard
evaluate Martha’s argument using the three parts of the cell theory
Every living thing is made up of cells, ranging in number from one (unicellular) to billions (multicellular).
What is cell theory?The scientific idea that cells make up living organisms, that they are the fundamental structural and organisational unit of all species.
They all originate from previously existing cells is known as cell theory. It was first proposed in the middle of the nineteenth century.
M.J. Schleiden and Theodor Schwann introduced the Cell Theory for the first time in 1839. According to this, all living things, including plants and animals, are made up of cells that originated from pre-existing cells.
Thus, it can be evaluated that all the living things have cell, not the small rocks have.
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In 1997 a team of scientists discovered three fossilized skulls and other artifacts at a dig site in Ethiopia, Africa. Since it is difficult to determine the age of once living organisms, the scientists used radioactive dating on the igneous rocks that surrounded the remains to determine their age. Why would scientists use radioactive dating in order to determine the age of the fossil they discovered? 1)Radioactive dating gives an estimated age of the igneous rocks, while the law of superposition will only reveal which is younger or older 2)Radioactive dating is an easier and less expensive method than applying the law of superposition for estimating the age of igneous rocks
3)Radioactive dating is specific and gives the exact date that a rock was formed while the law of superposition gives an estimate of ages
4)Radioactive dating determines whether the igneous rocks are older or younger than deeper stratas of rocks, while using the law of superposition depends on tectonic events
Radioactive dating is specific and gives the exact date that a rock was formed, which is why scientists use it to determine the age of the fossil they discovered. Option 3) "Radioactive dating is specific and gives the exact date that a rock was formed while the law of superposition gives an estimate of ages" is the correct reason.
type your response in the box watch this video and explain how dr collins used critical thinking to develop his concussion-monitoring device
Answer:
Dr. Collins built and designed his instrument based on facts—the recognized concussion symptoms. He needed to learn more about how concussions affect the brain and how people react to cognitive activities. He became aware of a weakness in the way concussions are currently handled. Many athletes don't treat the injury properly or put off getting help, which might have long-term negative effects. The latest device from Dr. Collins both looks for potential injuries and keeps track of healing. Thus, it meets a demand for concussion treatment.
Explanation:
Urbanization Design Challenge
It's time to be an urban planner and build your community! Engineering problems must adhere to criteria and constraints. Criteria are specific needs of your community that should be met by your design. Constraints are the limitations that should be considered before building your community. Here is your urbanization design challenge:
Engineering Challenge: Design a sustainable city that provides resources to all people and protects the surrounding ecosystem.
Instructions:
1. Your city design should meet the following:
Community Needs (Criteria)
Environmental Limitations (Constraints)
Provide enough energy and resources for all homes and businesses.
Protect human health and the environment.
Don't put plants or services (except for parks) in water, wetland, or forested areas.
Don't increase water pollution by placing buildings in heavy rain or snow zones.
2. Review the community items you can place into your city before starting.
Housing
City Parks
Goods & Services
School & Hospital
house icon
parks icon
industry icon
community icon
100 homes
For 50 homes
For 100 homes
For 200 homes
Farmland
Ranch
Coal Plant
Solar Plant
farmland icon
ranch icon
coal icon
solar icon
For 50 homes
For 100 homes
For 200 homes
For 300 homes
Water Treatment
Waste Treatment
water icon
waste icon
For 500 homes
For 500 homes
3. Use the virtual simulation to design your city. You can place as many items in your city as you wish. But don't forget the needs and limitations described in step 1. For example, if you place housing in your city (100 homes), the residents need two parks to meet their recreational needs. Use the three maps in the simulation to guide your icon placement.
4. When you have completed your city, use the capture button in the simulation to take a picture of it. Place the picture of your city in the 01.08 Urbanization Virtual Lab Worksheet.
Instructions
You will build a community by placing the icons representing housing and city resources on the map. After selecting an icon, it will appear at the top of the map. Its description will also appear. To move an icon, select and move it to whatever location you wish. When only using your keyboard, hold the shift button and use the arrow keys. To delete the icon, move it to the trash can or use the "Clear Maps" button.
Geology, climate, and suitability maps are provided to guide your placements. Select each map for a description. Reselect the map to clear it.
Place your housing icons, then your services, food, energy, and waste control icons.
Finalize your design. Capture it and place into your worksheet.
Answer: math is cool
Explanation: drugs
The design of urbanization would have to factor in the basics of the community.
What is urbanization?Urbanization is the process of population shift from rural areas to cities, resulting in the growth of urban areas and the decline of rural areas.
It is characterized by increased urban density, industrialization, and the formation of cities and suburbs. Urbanization leads to social, economic, and environmental changes, both positive and negative.
The Urban settlement must be designed in such a way that the needs of the community are addressed and the basic things that we should have in the community are planned into the process.
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Hemlock trees are found in parts of Tennessee along rivers and streams. Hemlocks are large trees like the Redwoods in California. They are being invaded by the hemlock woolly adelgid. They are crucial in keep streams and rivers cool for the survival of trout and other coldwater species. What could be a good way to control or destroy this invader
Insecticides that contain either imidacloprid or dinotefuran can destroy invader hemlock woolly adelgids.
What are hemlock woolly adelgids?East Asia is home to the hemlock woolly adelgid, or HWA, an insect of the Hemiptera order. It consumes sap from hemlock and spruce trees to stay alive.
HWA is very little and frequently difficult to notice, but they are easily recognized by the white woolly masses they generate at the base of the needles on the underside of branches.
They can be destroyed by spraying insecticides that contain either imidacloprid or dinotefuran.
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what are the genotypes of the parents if a homozygous black pig is mated with another homozygous black pig
If a homozygous black pig (BB) is mated with another homozygous black big (BB), then the genotype of the offspring will be homozygous black (BB).
What are genotypes?The term "genotype" refers to an organism's whole gene pool, or, in other words, the genetic makeup of that creature.
The phrase can also be used to describe the alleles, or different forms of a gene, that an organism carries in a more specific meaning.
The genotype of the offspring will be homozygous black (BB) if a homozygous black pig (BB) is mated with another homozygous black big (BB). Here black color trait is dominant.
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Assessment
Deforestation is happening all around the world, but it is also happening in your own backyard. Before trees are cleared for a new home or business, reutilizing space, or revitalizing old homes should be considered. These individual decisions can help reduce the impact of deforestation to local ecosystems. More enforced regulations and larger amounts of forests secluded for protection will make an even bigger difference globally. These decisions are made by state, national, and international lawmakers. You can sway their decision making by communicating your environmental concerns to them.
The carbon cycle has its own way of using biology to store carbon, and our forests are part of its many paths. We can increase carbon sequestering by using these technologies or supporting companies that use these technologies in their manufacturing processes.
Now, here's your call to action.
Find Graphical Icon
Call To Action
The increasing demand for palm oil encourages corporations to clear more and more rainforests for palm tree crops. Don’t be part of that demand! Use palm oil free products or only use certified sustainable palm oil products.
You likely use numerous palm oil products every day. Visit the World Wildlife Federation to learn which products contain palm oil.
Use the Palm Oil Scorecard to search for the companies that make products without palm oil or companies that only use palm oil from sustainable farming practices. (Look below the banner for the search engine.)
Deforestation Current Event
Current event assessments allow you to get the latest information on environmental problems all over the world. This assessment is a video current event.
Instructions:
Select one of the current event video options to watch.
Download and complete the 01.06 Deforestation Current Event Worksheet.
Assessment:
Check your work against the Rubric.
Submit your work to the 01.06 Deforestation assessment.
Based on the information, keeping up-to-date on current events related to deforestation can help you stay informed and engaged in efforts to reduce its impact on the environment. You can also sign up for newsletters or follow relevant organizations on social media to stay informed on the latest developments.
How to explain the informationThe current event assessment of deforestation can be found through various media outlets and websites such as news organizations, environmental advocacy groups, and government agencies.
You can also take actions such as supporting organizations that are working to protect forests, making lifestyle changes that reduce your environmental impact, and advocating for policies that support sustainable forestry practices. Every individual action can help to make a difference and protect forests for future generations.
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photosynthesis. a) State TWO reasons why you know this micrograph shows plant cells. b) Draw two whole cells of leaf tissue. Provide your diagram with labels and a heading. ) A leaf is a collection of tissues that perform a specific function. State whether a leaf is a system or an organ. Explain your answer. ure 16 below shows a) epithelial that line the human mouth and nerve cell that transmits perve
The majority of organelles are found in both plant and animal cells. Cells do not have a cell wall, a big central vacuole, or plastids like chloroplasts. Plant cells, on the other hand, do.
Why do leaves photosynthesis in the first place?A photosynthetic unit is a leaf. They are the plants' organs best suited and most adapted to photosynthesis for the following reasons: Chloroplasts, or cells containing chlorophyll, are found in leaves. Stomata found there aid in the gas exchange.
Explain the two phases of photosynthesis.First, in a process known as light-dependent processes, autotrophs absorb energy from the sun. The acquired solar energy is then transformed into potential energy in the second stage, known as light-independent and dark reactions, which is present in autotrophs in chemical bonds within macromolecules.
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frequency of the dominant allele
1)Q
2) P
3) 2PQ
4)p + q = 1
HELP ASAP
Describe one way an organism can grow other than increasing in size
Answer and Explanation: Growth can be classified into two categories in living organisms. It is vegetative and reproductive growth.
Biologically, other than growing in size, any organism will show reproductive growth. Be it a plant, animal, fungus, or any other microorganism, all of them show reproductive growth.
In the biological world, there are four main types of reproductive growth. They are vegetative reproduction, asexual reproduction, sexual reproduction, and parthenogenesis. Like size growth, reproductive growth can also be logarithmic, or exponential.
Hence, reproductive growth is another very important form of growth other than the size of the body. Reproduction ensures the continuity of the generation and maintenance of species. Reproductive growth also helps to bring in genetic variation and ensure survival due to mutation.
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