Guided Case Study
Muscle Malady
1) What symptoms is Rahul experiencing?
2) Describe 2 purposes of the blood test that was ordered.
3) What is the function of dystrophin and how is it altered by DMD?
4) Knowing the inheritance pattern of DMD, what can you predict about Rahul's family histors?
5) Assuming that Rahul lives until aduithood, he could have children. Show a Punnett Square illustrating the likelihood of Rahul passing this mutation on if he marries a woman with two normal X chromosomes.
6) What treatments are suggested for DMD?
Answers
Rahul is experiencing difficulty walking and an abnormal gait, which are symptoms of Duchenne Muscular Dystrophy (DMD).
2. The blood test that was ordered specifically tests for the creatine-kinase (CK) enzyme linked to degeneration of muscles and provides a genetic analysis through DNA testing of the blood cells. The purpose of the CK test is to measure the level of CK enzyme in the blood, which is often elevated in individuals with DMD, and the purpose of the genetic analysis is to identify the presence of a mutation in the dystrophin gene, which is the genetic cause of DMD.
3. Dystrophin is a protein found beneath the sarcolemma of the muscle fibers. It is responsible for distributing the force from a muscle contraction to the cell membrane and helps to protect muscle fibers from damage during contraction. In DMD, there is a mutation in the dystrophin gene, which prevents the production of dystrophin, allowing the contraction force to damage the fibers, causing permanent tears in the fibers, and leading to muscle degeneration and weakness.
4. Because DMD is an X-linked disorder, it is more common in males, and it is inherited in a pattern of sex-linked inheritance. This results in the disease being more common in males, although females can unknowingly pass the mutated gene to their children. Knowing this, one can predict that Rahul's biological parents are likely to be unaffected carriers of the mutation, and it is highly likely that his biological siblings have the same condition.
5:
X^n X^n
X^n X^n X^n
Assuming that Rahul lives until adulthood, he could
What is Duchenne Muscular Dystrophy?Duchenne Muscular Dystrophy (DMD) is a rare genetic disorder that affects muscle function and strength. It is caused by a mutation in the dystrophin gene, which is located on the X chromosome. This gene provides instructions for making a protein called dystrophin, which is essential for the proper functioning of muscles.
Without dystrophin, muscle fibers are unable to withstand the force of contraction, leading to damage and degeneration. This results in progressive muscle weakness, starting in the legs and pelvis.
Therefore, in the above case, none of his children will have DMD, but they will all be carriers of the mutation, meaning they have the potential to pass it on to their own offspring. It's important to note that, in reality, the genetic transmission of a disease like DMD is not always as simple as a Punnett square.
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See transcribed text below
Rahul Carter is a 2 year old who was adopted from an Indian orphanage just over a year ago. His adoptive parents have brought him in for his annual pediatric exam. Rahul's pediatrician has been monitoring his physical progress carefully because he was a late walker and has always been a bit clumsy. At this appointment, Rahul's pediatrician notices that he is continuing to have difficulty walking and has an abnormal gait. Suspecting an undiagnosed muscular condition, the pediatrician orders a blood test for Rahul. This blood test specifically tests for the creatine- kinase (CK) enzyme linked to degeneration of muscles and provides a genetic analysis through DNA testing of the blood cells. Upon receiving results of elevated CK levels and a mutated dystrophin gene. Rahul is diagnosed with Duchenne Muscular Dystrophy (DMD).
DMD is a progressive disease of the muscular system. It is most often diagnosed between the ages of 3 and 5 and is defined by weakened muscles of the legs, torso, and hips. As the muscles of the heart and diaphragm are eventually affected, it becomes lethal. Dystrophin is a protein found beneath the sarcolemma of the muscle fibers. It is responsible for distributing the force from a muscle contraction to the cell membrane. The absence of this protein permits the contraction force to damage the fibers themselves, causing permanent tears in the fibers. As the child ages, these tears are replaced by scar tissue, reducing the effectiveness of skeletal muscles.
DMD is caused by a mutation within the X chromosome that prevents the production of dystrophin. Because it is located on the X chromosome, it follows a pattem of sex- linked inheritance. This results in the disease being more common in males, although females can unknowingly pass the mutated gene to their children.
Although there is currently no cure for DMD, treatment includes physical therapy and light exercise to slow muscle damage. Orthopedic braces and walkers can be used, but individuals with DMD are often confined to wheelchairs by age 12. Corticosteroids are commonly prescribed to reduce muscle inflammation, slowing skeletal muscle loss. The life expectancy of an individual with DMD is around age 30, but scientific advances are extending life expectancies with some individuals living into their 50s.
Related Questions
What name is given to the scientific study of life
Answers
Answer:
Biology
Explanation:
Bio meaning life
the root logy meaning study
Before classifying insects into different orders, review the larger classifications for insects:
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Conduct research online to determine the characteristics an organism must have to be classified in each of the taxonomy levels shown. Note the characteristics you find in the answer space.
Answers
Different types of kingdoms exist. All animals are considered to be members of the kingdom Animalia. It also goes by the name Metazoa. Animals that have both jointed limbs and hard exoskeletons make up the phylum Arthropoda.
What is a classification for insects?The following are some traits of arthropods: They are exoskeleton-equipped. Their appendages are joined. They are known to have segmented bodies.
Therefore, Examples of Order The Hemiptera Giant Water Bug Arthropoda, the phylum. Arthropoda Hymenoptera Bees, wasps, and ants Lepidoptera moths, butterflies, etc. Arthropoda.
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Which of the following science related statements are observations rather than opinions? Select all that apply.
Answers
The most frequent cause of coronary artery disease is the accumulation of fatty plaques in the arteries (atherosclerosis). Poor eating habits, inactivity, obesity, and smoking are risk factors. Choosing a healthy lifestyle can help reduce the risk of atherosclerosis. Thus option C, D is correct.
What are the most common heart disease?The most prevalent kind of heart disease, coronary heart disease, will claim 382,820 lives in 2020. 20.1 million adults aged 20 and older, or 7.2%, have CAD. Nearly 2 in 10 fatalities from CAD will occur in adults under the age of 65 in 2020.
Therefore, In the US, heart disease is the leading cause of death. Additionally, fewer bees have been visiting my garden lately, indicating that bee populations are declining.
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The given question is incomplete. Complete question is given below:
Which of the following science related statements are observations rather than opinions? Select all that apply.
Whaling should be banned.
Cancer is the worst of all diseases.
Ocean acidity was greater in 2010 than in 2000.
Heart disease is the major cause of death in the United States.
Fewer bees have been in my garden recently, so bee populations must be decreasing.
Explain why Chargaff’s data was an important clue for putting together the structure of DNA.
Answers
Answer:
Chargaff's data was an important clue for putting together the structure of DNA because it provided the basis for determining the ratios of the four nitrogenous bases in DNA. Specifically, Chargaff's data showed that the amount of adenine (A) was equal to the amount of thymine (T), and the amount of guanine (G) was equal to the amount of cytosine (C). This helped scientists to understand that the two strands of a DNA molecule pair together in a specific way, with A always pairing with T and G always pairing with C. This information was essential in determining the double-helix structure of DNA.
Explanation:
Experiment: Maria wants to see which fertilizer makes her fig plants
grow best. She will grow 3 fig plants. One plant she will add no
fertilizer, one plant she will add 1 mg of nitrogen powder, and one
plant she will add 1 mg of phosphorus powder. She will measure the
height of each plant every week for 3 months.
Question 1
What is the independent variable?
A. the height of the plant
B. the amount of fertilizer
C. the type of fertilizer
D. the type of plant
Question 3
What is a possible constant?
A. the height of the plant
B. the diameter of the plant
C. the type of fertilizer
D. the amount of fertilizer
Question 2
What is the dependent variable?
A. the height of the plant
B. the amount of fertilizer
C. the type of fertilizer
D. the type of plant
Question 4
Why did Maria not fertilize one of the
plants?
A. to make the experiment easier
B. to compare the results of the other
fertilizers (control group)
C. it was a mistake
D. to purposely kill that plant
nter the correct 4 digits to escape this level. *
LEVEL 3
Convert your letter into a number
A +4=7
7- B=2
C +2=9
5- D=4
Answers
Answer:
Answer 1: B. the amount of fertilizer
Answer 2: A. the height of the plant
Answer 3: D. the amount of fertilizer
Answer 4: B. to compare the results of the other fertilizers (control group)
Explanation:
What percentage of the population can determine their blood type from
saliva, tears,sweat, or milk? (Numerical answers only) thanks
Answers
About 80% of the population can determine their blood type from saliva, tears, sweat or milk. These are known as secretors, and they refer to the fact that antigens present in the blood can also be found in bodily fluids like saliva.
What are antigens?Your immune system uses antigens as markers to determine whether or not something in your body is hazardous. Viruses, bacteria, cancers, and healthy bodily cells all include antigens. Antigen testing is carried out to identify viral infections, keep an eye on specific illnesses, screen for them, and ascertain a donor's compatibility with a transplant.
What are secretors?The term "secretor status" describes whether water-soluble ABO blood group antigens are present or absent in a person's body fluids, including saliva, tears, breast milk, urine, and semen. People are classified as secretors or non-secretors depending on whether they secrete certain antigens in their body fluids.
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 a model of a change to the double strand of DNA molecule is shown here based on the illustration what describes the type of change and the effects of the change in the model of DNA select all answer choices that apply 
Answers
search sailesh xettri on messenger
Explanation:
bike pic guy
Which process usually results in offspring that exhibit new genetic variations
Answers
Answer:
A
Explanation:
A shows process of fertilization where sperm and egg meet to form zygote which is genetically different than sperm or the egg.
1. Smoking may damage the respiratory system because deposits from the smoke can
A. interfere with ciliary action in the trachea
B. trigger the release of antigens by the alveoli
C. block the transmission of impulses that regulate breathing
D. lower blood pressure in the mucous membranes of the bronchioles
Answers
Answer: A. interfere with ciliary action in the trachea
Explanation: I took this before and got it right.
Smoking can damage the respiratory system by damaging air sacs and alveoli.
Explanation:
Option A is correct.
The trachea is made up of ciliated pseudostratified columnar epithelium. and the smoke deposits can damage cilia and can eventually destroy them.
Cilia keep the respiratory tract clear and as they are damaged in smokers, it can lead to cough and are also at high risk of contracting pneumonia.
Option B is correct
Smoke can contribute to the aggravation of inflammatory response, contributing to the development of chronic obstructive pulmonary disease (COPD).
It can increase the release of cytokinins and trigger viral infections.
Option C is correct
Excess tobacco can block sympathetic and parasympathetic nerve impulses and can affect the normal breathing mechanism.
Option D is false
Smoking can increase blood pressure and causes hypertension.
Which bases are found in In 1953, who developed the model that is shown below?a strand of DNA?
Answers
The person that developed the model are James Watson and Francis Crick. The bases are found in In 1953 are: adenine, cytosine, guanine, and thymine.
What is the DNA bases?In 1953, James Watson and Francis Crick developed the model of the structure of DNA, which is shown in the image below. The model, known as the double helix, consists of two strands of DNA that are coiled around each other.
Hence, DNA is made up of four bases: adenine (A), cytosine (C), guanine (G), and thymine (T). These bases pair up with each other in specific ways: A pairs with T, and C pairs with G. The sequence of these bases on a DNA strand carries genetic information, and the specific order of the bases determines the genetic code for an organism.
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If there were 1176 seeds collected, predict how many would be axial?
Predict how many seeds would be homozygous dominant?
homozygous recessive:
terminal?
heterozygous?
Answers
According to the given that actual flower position is dominant over terminal flower.
What is a homozygous dominant plant?When an organism possesses two copies of the same dominant allele, it is said to be homozygous dominant, and when it possesses two copies of the same recessive gene, it is said to be homozygous recessive.
When an organism is homozygous, it contains two copies of the same allele for a gene. When two copies of the same dominant allele or two copies of the same recessive allele are present in an organism, it is said to be homozygous dominant or homozygous recessive.
When an organism is heterozygous, it has two distinct alleles of the same gene. For instance, pea plants can have either homozygous dominant (red-red) or heterozygous red blooms (red-white). They are homozygous recessive if they have white blooms (white-white). Heterozygous carriers are always present.
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• Analysis of hemoglobin proteins obtained from an individual with Sickle Cell Anemia (SCA) has been shown to contain the following amino acid sequence. Using the information from part (A), identify which of the DNA sequences is normal and which is mutated, justifying your choice.
• Sickle Cell Hemoglobin Analysis: Met – Val – His – Leu – Thr – Pro – Val
Answer-
Answers
Sickle Cell Anemia (SCA) is caused by a single point mutation in the beta-globin gene, which results in the substitution of a single amino acid in the hemoglobin protein.
Based on the amino acid sequence provided, we can conclude that the DNA sequence in the beta-globin gene is mutated, as it codes for Val at the 6th position, rather than the normal GAG.
What is the Sickle Cell Anemia about?The normal beta-globin gene codes for the amino acid glutamic acid at the 6th position (coded for by the GAG codon), while in SCA the mutated beta-globin gene codes for valine at the same position (coded for by the GTG codon).
In the hemoglobin protein sequence provided, the 7th amino acid is listed as Val, which suggests that the corresponding codon in the beta-globin gene is GTG. This is the mutated version of the beta-globin gene that is responsible for SCA, while the normal version of the beta-globin gene would code for GAG at this position.
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5
Select the correct answer.
Which term defines a well-supported, explanation of an occurrence of a natural phenomenon?
A.
hypothesis
B. bias
C. observation
D. theory
Please help me
Answers
Answer: the answer is D a theory
Explanation: Because it has strong evidence backing the claims it makes
Explain how the structure of a cell allows localization of reactions, protection from reactive molecules, and greater efficiency of cellular processes than a bacterial cell.
Answers
The structure of a eukaryotic cell allows localization of reactions because there are subcompartments in the cell where specific enzymes colocalize, protection from reactive molecules refers to structural barriers, while greater efficiency of cellular processes in this cell than a bacterial cell is based on the subdivision of work.
What does subdivision of work mean in terms of a eukaryotic cell?The expression subdivision of work mean in terms of a eukaryotic cell makes reference to the presence of different cell compartments such as those associated with particular organelles which provide a suitable medium to carry out particular reactions such as the presence of hydrolytic enzymes in lysosomes.
Therefore, with this data, we can see that the subdivision of work is fundamental in a eukaryotic cell in order to perform different tasks, which is translated to higher metabolic efficiency when compared to bacteria.
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ASAP HELP!!!!! LIMITED TIME!!!!!!!!
What is one way that greenhouse gases are released into the
atmosphere?
Select one:
O Introducing non-native species into an environment
O Oil spills
O Littering
O Burning fossil fuels
Answers
Answer:
O Burning fossil fuels
Explanation:
Fossil fuel burning releases tons of CO2 which is a green house gas
A veterinarian is trying to ascertain why a herd of sheep suddenly all have green lips and muzzles and are coughing and vomiting. He believes that they have ingested a biotoxin and asks the owner if he has noted any rubber bitterweed in his fields. The farmer is incredulous, saying, “It’s right in the name—BITTERweed. Sheep don’t eat that stuff.” Which fact would support the veterinarian’s theory that these sheep have eaten the poisonous scrub?
A.
Bitterweed grows in most parts of America.
B.
The weed is actually very sweet and sheep like the taste.
C.
If they have not been fed properly, sheep will eat bitterweed.
D.
Sheep will eat anything that is not tied down.
Answers
Answer:
C. If they have not been fed properly...
Explanation:
If they have not been fed properly, sheep will eat bitterweed. This fact would support the veterinarian's theory that the sheep have eaten the poisonous scrub, as it suggests that the sheep may have turned to eating the bitterweed due to hunger or malnutrition.
Why are gametes the only haploid cells in your body?
Answers
Gametes are the only haploid cells in the human body because they are the cells involved in sexual reproduction, which requires the combination of one set of chromosomes from each parent to form a new individual. The rest of the cells in the human body are diploid and do not participate in sexual reproduction.
Gametes, which are also known as sex cells, are the only haploid cells in the human body because they are the cells that are involved in sexual reproduction. Haploid cells have a single set of chromosomes, while diploid cells, which make up the majority of cells in the human body, have two sets of chromosomes.
During sexual reproduction, gametes from each parent combine to form a new individual. The gametes from each parent contribute one set of chromosomes to the offspring, so that the resulting diploid cells in the offspring have two sets of chromosomes, one set from each parent.
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Answer:
Human gametes are haploid (n) as they are formed by meiosis during the process of gametogenesis.
Explanation:
Haploid can be described as a cell that contains a single set of chromosomes. The term haploid can also refer to the number of chromosomes in egg or sperm cells.
Haploid gametes lead to the fusion of male and female gametes, by which a diploid zygote is formed and the number of chromosomes remains the same in the progeny.
In humans, gametes are haploid cells that contain 23 chromosomes.
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The map shows the locations in the United States of farmland and forest. Why are these natural resources important? (I know my finger is in the camera)
Answers
The map shows the locations in the United States of farmland and forest. These natural resources are very important.
What shows the modernization on the surrounding natural environment?The development shows a significant effect of modernization on the surrounding natural environment and many ancient forests were completely destroyed before legislature was implemented to protect the environment.
Since people didn't care about the trees. They would use the wood for anything, from papek making to making toys and eating utensils as the development shows a significant effect of modernization on the surrounding natural environment.
Therefore, The map shows the locations in the United States of farmland and forest. These natural resources are very important.
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2. Which is probably most responsible for the
formation of this landform? sc.6.E.6.1
wind
water
plants
animals
Answers
According to the given statement wind is probably most responsible for the formation of this landform.
What is Land formations?The four main categories of landforms are plains, plateaus, hills, and mountains. Landforms include things like rivers, lakes, buttes, canyons, basins, and valleys.
An earthly feature that is a part of the terrain is referred to as a landform. There are four main categories of landforms: mountains, hills, plateaus, and plains. Valleys, buttes, canyons, and basins are examples of minor landforms.
Mountains and hills can be pushed up by the Earth's tectonic plate movement. Valleys and canyons can be formed by erosion brought on by water and wind. The duration of these procedures can reach millions of years.
Underwater mountain ranges and seabed basins are examples of landforms that can exist. In the South Pacific lies the Mariana Trench, the world's deepest landform.
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Which of the following is a characteristic of renewable sources of energy
They are exhaustible
They cause air pollution
They will run out soon
They cause less pollution
Pls help ty
Answers
They cause less pollution. Renewable sources of energy, such as solar, wind, and hydroelectric, cause significantly less air and water pollution than non-renewable sources, such as coal and oil.
What is pollution?Pollution is the presence of toxic substances in the environment that can have a negative effect on humans, animals, and plants. It can either be the result of natural processes or due to man-made activities. Pollution can occur in the air, water, soil, and even in the food we consume. Common forms of pollution include air pollution, water pollution, plastic pollution, and noise pollution. Air pollution is the release of pollutants into the air which can cause harm to humans and the environment. Water pollution is the contamination of surface or ground water and can be caused by agricultural runoff, industrial pollution, and sewage. Plastic pollution is the accumulation of plastic particles in the environment that can damage ecosystems.
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Bunnies: Black fur is dominant to white fur. Use the letter “B” and “b” to answer the following questions.
6. Complete the punnet square to show the possible offspring of a true-breeding black rabbit and a true-breeding white rabbit. (true breeding parents are homozygous, know this for the test!)
7. What ratio would you see in the F1 genotypes?
8. What ratio would you see in the F1 phenotypes?
9. If you crossed two of these offspring, what would this generation be called?
10. Cross two offspring from the F1 generation. (Complete your Punnett square on scratch paper)
a. genotypes:
b. phenotypes:
Answers
Answer:
they are all 100% heterogenous ,,their genotype is Bb,, their prototype is black fur
Explanation:
look at my demonstration
Step 1: Drag the boxes to
indicate the phase of the
cell cycle.
ANAPHASE
TELOPHASE
PROPHASE
METAPHASE
INTERPHASE
Step 2: Label individual
parts of the cell by dragging
the letter to the structure.
A
A: Spindle
B B: Chromatid
с
D D: Centrioles
E
C: Chromosome
E: Daughter cells
FF: Nucleus
400000
DI
1
Answers
The image shown is of a cell cycle. Cycle phases are prophase, metaphase, anaphase, and telophase.
What is a cell cycle?
A cell cycle is the sequence of events that take place in a cell leading to its division and duplication (replication). It consists of two main parts: interphase and the mitotic phase. During interphase, the cell grows and DNA is replicated in preparation for cell division. During the mitotic phase, the cell divides into two daughter cells.
A cell spends the majority of its time in interphase, which is when it develops, duplicates its chromosomes, and prepares to divide.
The cell then exits interphase, enters mitosis, and divides to completion. Each of the resulting cells, known as daughter cells, enters its own interphase to begin a new cell cycle.
The cell cycle is the process by which cells multiply and divide into two new cells. The cell cycle phases are G1, S, G2, and M. At the G1 stage, cells are getting ready to divide.
Therefore, The given image is of cell cycle. The phases of cycle are prophase, metaphase, anaphase and telophase.
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mendel found that due to ___, certain traits do not demonstrate independent assortment.
a.linkage
b.crossing over
c.mutation
d.none of the above
Answers
mendel found that due to linkage, certain traits do not demonstrate independent assortment.
list two differences between dominant and recessive trait and what present in plant in F2 generation by around in mental cross between round and wrinkled plant
Answers
A round seed phenotype and the dominant allele for the roundness trait were present in three-fourths of the f2 plants. Dominant covers the trait of recessive.
What is dominant?An allele is a gene form that can appear as a pair and exhibit either a homozygous or heterozygous phenotype of a characteristic.
Both dominant and recessive forms of the trait can be expressed by these genes. When two organisms are crossed, the F2 generation of the progeny exhibits three phenotypes: homozygous dominant, heterozygous dominant, and recessive.
Therefore, the roundness trait was present in three-fourths of the f2 plants.
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Plate motion occurs as a consequence of convection in Earth's
crust
mantle
core
Answers
The movement of these tectonic plates is most likely caused by convection currents in the molten rock beneath the crust of the Earth. The immediate consequences of this tectonic shift are earthquakes and volcanic eruptions.
What effect does this plate movement have?Mountains will grow where plates converge or push together, and continents will split and oceans will form when plates pull apart or diverge. The Earth's geography has changed significantly over the span of millions of years as a result of the continents passively drifting with the plates.
What causes the mantle's plates to move?The plates fit tightly against one another and lie on the heated, molten rock of the Earth's mantle like fragments of a split shell.
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This is an example Dinoflagellates can perform photo and provide
Answers
The relationship between Dinoflagellates and coral is an example of a mutualistic relationship.
Mutualistic relationships are interactions between two different species in which both species benefit. In the example you provided, the dinoflagellates perform photosynthesis and provide energy to themselves and the coral, while the coral provides protection for the dinoflagellates. This is a mutualistic relationship as both species benefit from the interaction.
B. dependent relationship, C. parasitic relationship, and D. commensalism relationship are all different types of interactions.
-A dependent relationship is one in which one species is entirely dependent on the other for survival,
-A parasitic relationship is one in which one species (the parasite) benefits at the expense of the other species (the host),
-A commensalism relationship is one in which one species benefits from the interaction while the other species is neither helped nor harmed.
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The complete question is:
Dinoflagellates can perform photosynthesis and provide energy for themselves and for the coral that they live near. The coral provides protection to the dinoflagellates. This is an example of a
A. mutualistic relationship.
B. dependent relationship.
C. parasitic relationship.
D. commensalism relationship.
Dinoflagellates are a diverse group of marine microorganisms that possess the ability to perform photosynthesis and produce oxygen.
What are dinoflagellates?Dinoflagellates are a diverse group of aquatic microorganisms that belong to the kingdom Protista. They are characterized by their distinctive whip-like flagella, which allow them to move through the water. Dinoflagellates are found in both marine and freshwater environments, and they can be found in a wide range of habitats, from the open ocean to estuaries, lagoons, and even in soil. They are a type of phytoplankton and play a critical role in the oceanic food web and global biogeochemical cycles.
Some dinoflagellates are photosynthetic, meaning they can produce their own food through the process of photosynthesis, and can produce oxygen. They are an important primary producer of marine food webs and support the entire marine ecosystem. However, some dinoflagellates produce toxins that can be harmful to marine life, as well as humans and can cause blooms or "red tide" phenomenon.
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Please select the word from the list that best fits the definition Brings drizzly rain
Answers
The word that bests fits the definition "Brings drizzly rain" is Brings precipitation.
What is precipitation?Any liquid or frozen water that forms in the atmosphere and falls back to Earth is referred to as precipitation. It takes many forms, including rain, sleet, and snow. Precipitation, along with evaporation and condensation, is one of the three major components of the global water cycle.
Without changing the meaning of the sentence, the best word that replaces drizzly rain is precipitation which is considered to mean light showers. Rain is water droplets that fall to the Earth's surface as precipitation.
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What is earth’s approximate rate of movement along its orbit?
Answers
Answer:
Earth revolves in orbit around the sun in 365 days, 6 hours, 9 minutes with reference to the stars, at a speed ranging from 29.29 to 30.29 km/s.
Explanation:
HELP ASAP!!!!!!! LIMITED TIME!!!!!!! PLEASE
The average temperature of Earth has increased approximately 0.8°C in the last one hundred years. Which of the following do researchers most attribute to this temperature increase?
Select one:
1. the lower amounts of carbon dioxide
2. increased use of fossil fuels
3. increased population in third-world countries
4. the solar flares reaching Earth
Answers
Answer:
2
Explanation:
I want to compare the price for a brand new Ford F150 (a truck) over the past 5 years. I have monthly estimates on what this car would cost during this time. Which graph should I use to display this data? and why?
A Line graph
B Pie Chart
C Bar Graph
Answers
To compare the price of a brand new Ford F150 over the past 5 years, it would be best to use a line graph to display this data. A line graph is a type of chart that uses a line to connect data points plotted on a coordinate plane. Line graphs are useful for showing trends and changes over time, which is exactly what you are trying to do in this case.
Using a line graph to display the price data allows you to see how the price has changed over time and to identify any trends or patterns in the data. You can also use the graph to compare the prices at different points in time and to see how the price has changed from month to month.
Additionally, a line graph is a good choice because it allows you to easily visualize the data and see how the price has changed over time. It is also easy to understand and interpret, making it a good choice for presenting the data to others.