Based on the given condition of the question the disease is sickle cell anemia.
Sickle cell anemia is one of a group of inherited disorders known as sickle cell disease. It affects the shape of red blood cells, which carry oxygen to all parts of the body.
Red blood cells are usually round and flexible, so they move easily through blood vessels. In sickle cell anemia, some red blood cells are shaped like sickles or crescent moons. These sickle cells also become rigid and sticky, which can slow or block blood flow.
Sickle cells break apart easily and die. Red blood cells usually live for about 120 days before they need to be replaced. But sickle cells typically die in 10 to 20 days, leaving a shortage of red blood cells (anemia). Without enough red blood cells, the body can't get enough oxygen, and this causes fatigue.
Periodic episodes of extreme pain, called pain crises, are a major symptom of sickle cell anemia. Pain develops when sickle-shaped red blood cells block blood flow through tiny blood vessels to your chest, abdomen and joints. The pain varies in intensity and can last for a few hours to a few days. Some people have only a few pain crises a year. Others have a dozen or more a year. A severe pain crisis requires a hospital stay.
Some adolescents and adults with sickle cell anemia also have chronic pain, which can result from bone and joint damage, ulcers, and other causes. Swelling of hands and feet. The swelling is caused by sickle-shaped red blood cells blocking blood circulation in the hands and feet.
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What do plants need in order to perform photosynthesis?
Answer:
To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight.
Explanation:
why would breeding year round favor natural selection?
Answer:
Only the strongest would survive each year and be able to breed
Explanation:
According to Darwin's theory of evolution if an animal were to be put into terrain whether local or new, the animal would need to adapt as its surrounding slowly change. If said animal is unable to adapt in time it will perish or be unable to produce strong offspring that will survive.
Put the following events in order from earliest to most recent:
a. formation of the moon
b. condensation of water vapor leads to formation of the ocean
c. 1st atmosphere
d. 2nd atmosphere
e. formation of the continents
Answer:
I believe it should be C, D, A, B, E, it's a very debated over question about the order of events.
How do white blood cells help prevent infections?
Answer:
they have antibodies that latch onto the germs.
a mistake during segregation of chromosomes is called select one: a. deletion. b. duplication. c. nondisjunction. d. point mutation. e. aneuploidy
A mistake during the segregation of chromosomes is called nondisjunction. Nondisjunction occurs when chromosomes fail to separate properly during cell division, resulting in daughter cells with an abnormal number of chromosomes.
Nondisjunction occurs when chromosomes fail to separate properly during cell division, resulting in daughter cells with an abnormal number of chromosomes. This can lead to aneuploidy, which is the presence of an abnormal number of chromosomes in a cell, such as trisomy 21 (Down syndrome) which is caused by the presence of an extra copy of chromosome 21 due to nondisjunction during meiosis. Nondisjunction can occur during both meiosis I and meiosis II. It can also occur during mitosis, leading to mosaicism, a condition where an individual has two or more genetically distinct cell lines in their body.
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Active transport is different from passive transport in that active transport involves
O the use of ribosomes
O an expenditure of energy
O a process which occurs only in the cells of simple plants and animals
O the movement of molecules from high concentration to low concentration
Answer:
an expenditure of energy
Explanation:
active transport is the movement of particles from a low to a high concentration. it uses energy as it goes against the concentration gradient.
Which process in the Sun's core is responsible for releasing energy in the form of radiation?
Answer:
The proton-proton fusion process (nuclear fusion process)
Explanation:
Mariam applied for a job, but the owner of the company refuses to hire her. Miriam’s friend tells her that the owner won’t hire anyone of color because he is prejudiced against people who aren’t white. What do the owner’s actions BEST represent?
A.
stereotypes
B.
discrimination
C.
assimilation
D.
amalgamation
Help me identify their name and structure please
The igneous rock based on the information is depicted thus.
What is a igneous rock?Hot, molten rock crystallizes and hardens to form igneous rocks, which are named after the Latin word for fire. Around active plate borders or hot places, the melt begins its journey deep within the Earth before rising to the surface.
According to definitions, igneous rocks are forms of rocks that are created when molten rock, or rock that has been liquefied by extreme heat and pressure, cools to a solid condition. Molten rock known as lava flows from cracks or vents at volcanic centers (when cooled, they form rocks such as basalt, rhyolite, or obsidian)
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How are they similar?
Giraffe
Answer:
Just like humans, giraffes have seven neck vertebrae. For giraffes, however, each one can be over 10 inches (25.4 centimeters) long! Both male and female giraffes have two distinct, hair-covered horns called ossicones.
Explanation:
Answer:
Just like humans, giraffes have seven neck vertebrae. For giraffes, however, each one can be over 10 inches (25.4 centimeters) long! Both male and female giraffes have two distinct, hair-covered horns called ossicones.
Explanation:
Bye
The present unwillingness to diagnose mild sexual sadism or sexual masochism is a good example of ________ and ________.
The example of sexual sadism ,the use of handkerchief for stimulated bondage and mild spanking during sexual activity.
What is sexual sadism ?Sexual sadism is infliction of physical or psychologic suffering on another person to stimulate sexual excitement and orgasm . Sexual sadism is disorder that causes significant distress or significant functional impairment or is acted on with nonconsenting person.
The examples are the use of silk handkerchief for stimulated bondage and mild spanking during sexual activity are common practice between consenting partners and are not considered sadomasochistic.
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1 pts sami is a 15-year-old girl who likes a boy named nal. unfortunately in sami's country, dating is discouraged. sami and nal most likely live in group of answer choices
Based on the information provided, Sami and Nal most likely live in option d, Iran. In Iran, dating is discouraged due to the cultural and religious beliefs prevalent in the country.
Facts about IranIran is an Islamic Republic, where the majority of the population practices the Shia branch of Islam. This religious background strongly influences the social norms and values in Iranian society. One such value is the emphasis on modesty and the importance of preserving family honor.
In Iran, relationships between unmarried individuals of the opposite gender are typically not openly encouraged. Instead, families often arrange marriages for their children or facilitate introductions between suitable partners. While it is not entirely impossible for young people to date, doing so discreetly is crucial to avoid bringing dishonor to their families.
Therefore the correct option is letter D, Iran.
The other options (a. Sweden, b. United States, c. Austria) are predominantly Western countries where dating is a normal and accepted part of social life. These countries have more liberal attitudes towards relationships and do not share the same cultural and religious restrictions found in Iran.
The complete question is:
Sami is a 15-year-old girl who likes a boy named Nal. Unfortunately in Sami's country, dating is discouraged. Sami and Nal most likely live in
a. Sweden.
b. United States.
c. Austria.
d. Iran.
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By the 1990s, researchers had shown that about 90percent of the variation in
personality traits is due to genetic variations.
O True
O False
Research from the 1990s showed that about 90% of the variety in personality traits can be attributed to genetic variances.
What would you say is genetics?Certain features or characteristics are passed on from parents to offspring due to changes in the DNA sequence. A gene is a segment of DNA that contains the instructions necessary to build one or more molecules necessary support bodily function.
Genetics focuses on genes. Our DNA transmits knowledge from one generation to the next. Characters were passed down orally from one generation to the next through inheritance.
describe a body?By eating right and working out frequently, you can keep your body in good shape. The word "body" can also reference to a person's basic physical makeup.
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need helppp plsss..
Answer:
A
Explanation:
the variety of life in the world or in a particular habitat or ecosystem.
Which of the following describes a second class lever
1. The fulcrum is located between the effort force and the load.
2. The effort force is located between the fulcrum and the load force.
3. The load force is located between the effort force and the fulcrum.
Answer:
I think the answer might be number 2
In the second class lever, the load is between the effort force and the fulcrum. The correct option is 3.
What is a fulcrum?The term can refer to the juncture or assistance on which a lever rotates, as well as the focal point of a critical activity or situation.
The term "fulcrum point" in zoology refers to an anatomical structure that serves as point of support.
The load in second-class levers lies among both the effort and the fulcrum. A wheelbarrow is a prominent example, where the effort moves a great distances to lift a substantial load, with the axle and wheel acting as the fulcrum.
In a second-class lever, the effort is distributed over a large area in order to raise the load a short distance.
Thus, the correct option is 3.
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A biologist sequences the DNA of two different organisms and identifies these two sequences:
Sequence 1: GTACCACATCGAAGGGTC
Sequence 2: GTACGACACCGAAAGTTC
What conclusion can the biologist draw about the two organisms based on the DNA fingerprinting?
A.They are closely related but different species.
B.They are the same species.
C. One organism evolved from the other.
D. They are not related at all.
The two DNA sequences of organisms represent that they are closely related but different species.
What do you mean by Species?Species may be characterized as a group of organisms that can reproduce naturally with one another and produce fertile offspring.
DNA fingerprinting is a technology that reveals the similarity between the DNA sequences of two or more organisms of the same or different species.
Both the sequence are very similar to one another, only a few bases are altered which signifies that they are closely related but belongs to different species.
Therefore, the two DNA sequences of organisms represent that they are closely related but different species.
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An advantage of electron microscopes compared to light microscopes is that electron microscopes
A- are inexpensive and commonly used in most biology laboratories
B- allow you to view living cells, while light microscopes do not
C- allow you to view the true colors of the specimens being viewed
D- have higher resolution that allows you to view smaller specimens
Answer:
D-Have higher resolution that allows you to view smaller specimens
Explanation:
im going with D
can giant pandas live in the arctic tundra?
Giant pandas are able to live in the arctic tundra. Giant pandas are animals
which are closely related to bears and they are no issues living in very cold
climates such as the arctic tundra.
Arctic Tundra Climate.The arctic tundra is characterized by cold temperatures which may be
around −28 °C. The soil is usually frozen during winter and the giant panda
have adaptations such as very thick skin and furs which aids its survival in
such biome.
The giant panda is mostly found in temperate regions and bamboo is their
special diet.
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how is the allele frequency of a population calculated? multiple choice question. the number of individuals that have this allele in the population is divided by the total number of individuals in the population. the number of copies of the allele in the population is divided by the total number of all the alleles for the same gene in the population. the number of copies of the allele in the population is multiplied by the total number of all the alleles for the same gene in the population. the number of copies of the allele in the population is divided by the total number of all the alleles for all genes in the population.
The allele frequency of a population is the proportion of a particular allele among all the alleles for a particular gene in a population. It can be calculated by dividing the number of copies of the allele in the population by the total number of all the alleles for the same gene in the population. This calculation provides a value between 0 and 1, or as a percentage between 0% and 100%.
For example, let's say there are 100 individuals in a population, and 40 of them have a particular allele for a gene. If each individual has two copies of the gene (one from each parent), then there are 80 copies of the gene in the population. To calculate the allele frequency, we divide the number of copies of the allele (40) by the total number of all the alleles (80), which gives us a frequency of 0.5 or 50%.
It is important to note that the allele frequency of a population can change over time due to various evolutionary forces such as mutation, genetic drift, migration, natural selection, and non-random mating. Therefore, studying the changes in allele frequency over time can help us understand the evolutionary history of a population.
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Using the theory of natural selection, what is antibiotic resistance
Answer:
Antibiotic resistance is when pathogens such as bacteria or fungi develop a resistance to antibiotics. This happens when some pathogens die, and others survive. The small number of pathogens that had a resistance to the antibiotic will reproduce more offspring that are also resistant to, and those offspring will reproduce even more offspring and so on. Eventually most pathogens will be resistant to the antibiotic, so antibiotics won't work.
Which mineral protects against oxidative damage and also helps synthesize thyroid hormone?
A. Copper
B. Manganese
C. Selenium
D. Zinc
The mineral that protects against oxidative damage and helps synthesize thyroid hormone is selenium. So, option c is accurate.
Selenium is an essential trace mineral that acts as a potent antioxidant in the body. It plays a crucial role in protecting cells from oxidative damage caused by harmful free radicals. Selenium functions as a cofactor for certain antioxidant enzymes, such as glutathione peroxidases, which help neutralize free radicals and prevent cellular damage.
In addition to its antioxidant properties, selenium is involved in the synthesis and metabolism of thyroid hormones. The thyroid gland requires selenium to convert the inactive thyroid hormone, thyroxine (T4), into the active form, triiodothyronine (T3). Adequate selenium levels are necessary for proper thyroid hormone production and regulation, which is vital for maintaining normal metabolism, growth, and development.
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A body part that is further away from the midline of the body is said to be _____.a. deepb. centralc. mediald. lateral.
A body part that is further away from the midline of the body is said to be **d. lateral**.
In anatomical terms, "lateral" refers to the direction away from the midline of the body. It indicates a position or structure that is located farther out or to the side, away from the center or midline of the body. For example, if you consider the arms, the thumb is on the lateral side of the hand, while the little finger is on the medial side. Conversely, the term "medial" (option c) refers to a body part that is closer to the midline of the body. "Deep" (option a) is used to describe a structure that is located farther beneath the surface or inside the body, while "central" (option b) typically refers to a position or structure that is situated at or near the center of an organ or body part.
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gary has a kidney stone lodged in his ureter. where will the radiologist find the kidney stone on an x-ray?
Answer:
between the kidney and the bladder
Explanation:
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PLEASE HELP
structures found in eukaryotic cells but not in a bacterial cells are?
Answer:
Bacterial cells do not have a nucleus. They also lack membrane-bound organelles, such as mitochondria or chloroplasts. The DNA of a bacterial cell is also different from a eukaryotic cell.
Explanation:
Eukaryotic cells are by definition those that have a membrane-bound nucleus, a morphological component that is absent from bacterial and archaeal cells.
What is the difference between eukaryotic and prokaryotic cells?Eukaryotic cells are distinguished by numerous membrane-bound structures in addition to the nucleus, including the endoplasmic reticulum, Golgi apparatus, chloroplasts, mitochondria, and others.
Prokaryotic cells lack membrane-bound structures, whereas eukaryotic cells do, including the nucleus.
The existence of mitochondria and chloroplasts, the cell wall, and the makeup of chromosomal DNA are all examples of differences between the cellular structures of prokaryotes and eukaryotes.
Therefore, prokaryotic cells are the name for bacteria's cells. Eukaryotic cells are cells that are found in mammals, plants, and fungi.
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In 1-2 complete sentences, identify the black lines and explain what they represent.
They represent the magnetic fields of both poles. The arrows pointing to the opposite pole is because of the magnetic attraction between them.
I’ll really appreciate it if you help me out with these 2 questions .
Ue the tatement about J. K. Rowling' book erie Harry Potter to anwer the quetion. Harry Potter learn from Hagrid that he i a wizard, o he mut leave hi aunt and uncle' home to tudy magic at Hogwart School of Witchcraft and Wizardry. Which tep in the hero’ journey doe thi repreent?
The statement about Harry Potter learning from Hagrid that he is a wizard and must leave his aunt and uncle's home to study magic at Hogwarts School of Witchcraft and Wizardry represents the "Call to Adventure" step in the hero's journey.
The "Call to Adventure" is the moment when the hero is first presented with the opportunity to embark on a journey and face new challenges. In Harry Potter's case, he is called to adventure when he learns of his wizarding abilities and must leave the familiarity of his life with his aunt and uncle to attend a school of magic. This step marks the beginning of Harry's journey and sets the stage for his eventual transformation into a hero.When the hero is initially given the chance to travel and take on new tasks, it is known as the "Call to Adventure." When Harry Potter discovers his wizarding prowess, he is compelled to embark on a journey and must leave the comfort of his home with his uncle and aunt in order to enrol in a magic school. This action launches Harry's quest and prepares him for his ultimate metamorphosis into a hero.
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write a letter to your pen-pal telling him or her how independence day is celebrated in your country
Dear Pen-Pal,
We haven't wrote to each other in a long time, how are you doing, whats independence day like in your country? Well, where I live ( and you can explain all the the things you celebrate and why you celebrate them. You can also tell your pen-pal your favorite and least favorite tradition!)
- Until next time, your pen-pal!
A rock sample has a mass of 16 grams and a volume of 8 cubic centimeters. When the rock is cut in half, what is the volume and density of each piece?
Answer:
Volume= 4 cm³
Density= 2 g/cm³
Explanation:
We have the following data:
volume= V= 8 cm³
mass= m= 16 g
The density is the mass per volume of a substance, so the density of the rock is:
density= d= 16 g/8 cm³= 2 g/cm³
When we cut the rock in half, we have a half volume and a half mass:
V= 8 cm³/2= 4 cm³
m= 16 g/2= 8 g
But the density is not altered because it is an intrisic property - it does not change with the amount of subtance. Thus, the density of a half rock is:
d = m/V= 8 g/4 cm³= 2 g/cm³
You are testing enteric bacteria for catalase activity and some of the bacteria begin bubbling immediately upon addition of the H2O2, while others may take a few minutes before some weak bubbling occurs. Are these late, weak bubbles the result of a positive catalase test
Yes, the late, weak bubbles that occur in some enteric bacteria after the addition of hydrogen peroxide (H₂O₂) are a positive indication of catalase activity.
Catalase is an enzyme that catalyzes the decomposition of hydrogen peroxide into water and oxygen gas. It is a key enzyme in the defense against reactive oxygen species (ROS) produced by the immune system in response to bacterial infection, among other things. Hydrogen peroxide is the reagent utilized to test for catalase activity in enteric bacteria.
Catalase-positive bacteria will release oxygen gas upon the addition of hydrogen peroxide. The time it takes for the bacteria to release oxygen gas can vary. Some bacteria will release oxygen immediately upon the addition of hydrogen peroxide, while others may take a few minutes before some weak bubbling occurs.
The late, weak bubbles that occur in some enteric bacteria after the addition of hydrogen peroxide (H₂O₂) are a positive indication of catalase activity.
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