Whales accumulate carbon in their bodies during their long lifespans. When they die, they sink to the bottom of the ocean. Each large whale binds an average of 33 tons of carbon dioxide and removes this carbon from the atmosphere over centuries. Trees, on the other hand, only absorb up to 48 pounds of CO2 per year.
Rapid global warming has led to habitat loss for whales and dolphins, increasing competition for fewer and fewer prey species. It affects the timing and extent of migration, distribution and even fertility.
Scientists call large whales "ecosystem engineers." Research shows that whales cycle nutrients in the oceans, help produce the oxygen we breathe, and play an important role in mitigating greenhouse gases. Whales are not only amazing, they are breathtaking.
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Which of these statements about the
Sun is TRUE?
A. It is the the farthest star from Earth
B. It cannot be seen from Earth.
C. It is the closest star to the Earth.
Answer: C it is the closest start to earth
Explanation:
What triggers the release of protease?
Answer:
Injury and inflammation trigger the generation and release of proteases from mast cells (tryptase), epithelial cells, and neurons
Explanation:
What causes different illnesses and even premature death?
Smoking cigarettes and being exposed to secondhand tobacco smoke are leading causes of premature death.
death that occurs earlier than the typical death age for a population. The average death age is around 75 years old. The biggest causes of early death in the US are smoking cigarettes and being around people who smoke. They can make people more vulnerable to developing cancer, heart disease, stroke, lung disease, and a host of other illnesses. Injuries are another reason for early mortality.
Ischemic heart disease, which accounts for 16% of all fatalities worldwide, is the world's leading cause of mortality. This disease has shown the highest increase in deaths since 2000, with an increase of more than 2 million deaths to 8.9 million deaths in 2019. The second and third most common killers, stroke and chronic obstructive pulmonary disease, respectively account for 11% and 6% of all fatalities.
Lower respiratory infections remained to be the most fatal communicable disease worldwide, ranking as the fourth most common cause of death. However, there have been fewer fatalities; in 2019, it claimed 2.6 million lives, 460 000 fewer than it did in 2000.
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Which of the following sugars would NOT yield a positive Fehling's test (red color change)? a. lactose b. sucrose c. maltose d. All of the listed responses would yield a positive result.
Sucrose will not yield a positive Fehling's test
A reducing sugar, or a sugar that can reduce copper ions, is detected using the ideal Fehling's test. Fehling's solution, which consists of copper(II) sulphate and a strong base, is mixed with a sugar solution to be tested, and the mixture is then heated.
During this process, the copper ions will be reduced to copper(I) oxide if a reducing sugar is available, and this copper(I) oxide will then react with the strong base to generate a precipitate of copper(I) hydroxide, which will change its color to red. A positive Fehling test result would be produced by reducing sugars like lactose, maltose, and other disaccharides, but not by non-reducing carbohydrates like sucrose.
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Analyze how wind erosion and other factors affect dune development
Answer:
idek
Explanation:
ong
What mutation did Lucy have?
Due to Lucy's high levels of deoxyadenosine in her blood, I was able to discover she had ADA-SCID. Her proteins were produced improperly and were shorter due to the stop codon mutation.
Since the gene mutation has no impact on the active site, there is no issue. Lucy's seizures were found to be caused by a mutation in the STXBP1 gene, which also causes the rare neurological disorder STXBP1 encephalopathy, following the completion of a genetic test known as an epilepsy panel.
I believe that the tRNA error is what is causing Lucy's ADA enzyme to malfunction. Lucy's 1500 base pair length is in line with the chart's usual range for gene length. However, Lucy only has half of that at 283.
The complete question is:
Lucy was admitted to CHOP. Because Lucy did not have an infection or an injury to her brain that was causing her seizures. What mutation did Lucy have?
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The following passage (paragraph 5) mainly shows that fill in the blank_______. By the time Dale leaves college in 1908, his parents are still poor, but corporate America is booming. Henry Ford is selling Model Ts like griddle cakes, using the slogan “for business and for pleasure.” J.C. Penney, Woolworth, and Sears Roebuck have become household names. Electricity lights up the homes of the middle class; indoor plumbing spares them midnight trips to the outhouse.
Based on the short passage above. The passage mainly shows that corporate America is booming.
What is the passage about?The passage describes the state of the economy and society in the United States around the time when Dale leaves college in 1908. It mentions specific examples of companies and products that have become successful and well-known, such as Henry Ford's Model T cars, J.C. Penney, Woolworth, and Sears Roebuck retail stores.
The passage also notes that electricity and indoor plumbing have become more common in middle-class homes. All of these details demonstrate that the American economy is experiencing a period of growth and prosperity, as businesses are expanding and new products and technologies are becoming widely available.
Therefore, the passage implies that the prosperity of corporate America contrasts with the poverty of Dale's parents, suggesting that not everyone is benefiting equally from the economic boom
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What is the role of carbon dioxide exchange with the ocean?
The role of carbon dioxide exchange with the ocean is A lot of the carbon dioxide that is released when fossil fuels are burned is taken up by the ocean.
Ocean acidification is the process by which this additional carbon dioxide is lowering the pH of the ocean.
The carbon cycle is significantly influenced by human activities. Changes in land use, the burning of fossil fuels, and the use of limestone in concrete all contribute significantly to the emission of carbon into the atmosphere. Marine organisms, such as corals, Dungeness crabs, and snails, are unable to construct their shells and skeletons due to ocean acidification.
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What is the ratio of white crossed with heterozygous purple?
The genotypes of the offspring born from the union of a heterozygous purple flower (Rr) and a recessive white flower (rr) are (Rr), (Rr), (rr), and (rr). Consequently, half of the progeny possess purple flowers (Rr), while half have white blooms (rr).
Because all of them are heterozygotes and purple is dominant above white in this situation, all the offspring from this cross would be purple (Pp). There is therefore no possibility of a child having white blooms. The F2 generation is composed of 50% Pp (heterozygous), 25% PP (homozygous dominant), and 50% Pp purple flowers (homozygous recessive, white flowers). In this way, the white characteristic is passed on to the next generation. The F1 generation, which solely possessed purple flowers, was created by cross-pollination using two parent (P) plants. from F1 self-pollination
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What are the four reasons why Mendel choose garden pea for his experiment?
Mendel chose garden pea for his experiment because they have shorter life span, are bise-xual, self pollinating and have visible physical characteristics.
Mendel conducted a lot of experiments during his study in genetics. He considered garden pea ideal for his experiments for a number of reasons. The first reason being that garden pea has a short life span and because of this they are able to grow very quickly and are easy to maintain. The second reason is that they have visible physical characteristics which makes them easy to observe and study.
The other two reasons being that garden peas have bise-xual flowers and because of this, these garden peas are self-pollinating. They do not need another plant for pollination and can also easily cross pollinate.
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What are 3 examples of inalienable or natural rights?
The enjoyment of life, liberty, and the pursuit of happiness, as well as the acquisition and ownership of property, are some of these natural rights.
Everyone has equal inherent and inalienable rights and is free by nature. If liberty, the pursuit of life and happiness are alienable rights, then tyrannical rule can legitimately occur.
Even if it were possible, before one could object to a government action as a breach of the right to liberty, one would need to go back on the history of interactions between the populace and the political establishment.
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A high school football player has received a hard direct blow to the abdomen. Which of the following may indicate internal bleeding?
1. Profuse bleeding from the bowels, deep slow breathing, slow pulse
2. Weak rapid pulse, tenderness, guarding, or pain in the abdomen
3. Deep slow breathing, normal pulse, warm dry skin
4. Warm dry skin, rapid pulse, nausea, deep regular breathing
When a high school football player has received a hard direct blow to the abdomen, the thing which indicates internal bleeding is weak rapid pulse, tenderness, guarding or pain in the abdomen.
Thus, the correct answer is 2.
Internаl аbdominаl injuries from blunt trаumа аre serious injuries thаt occur when the body hits or collides with а lаrge object. These types of injuries аre most common in contаct sports like footbаll, ice hockey, soccer, аnd lаcrosse. The most common Internаl аbdominаl injuries include kidney injury, spleen injury, liver injury, аnd аbdominаl injury. Аbdominаl injury cаn result in injury to the pаncreаs, diаphrаgm, stomаch, gаllblаdder, blаdder, or intestines.
Аn internаl аbdominаl injury cаn cаuse rаpid blood loss. Eаrly indicаtions of аbdominаl trаumа include nаuseа, vomiting, blood in the urine, аnd fever. The injury mаy present with аbdominаl pаin, tenderness, distension, or rigidity to the touch, аnd bowel sounds mаy be diminished or аbsent.
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What is formula of calculation of risk?
Risk is defined as the probability of an event and its result. The following is a common formula of calculation of risk: Risk = Impact × Likelihood.
Risk can be defined as the chance that anything negative will occur. Risk is the unpredictable impact a choice will have on anything important to people (such as their health, well-being, wealth, property, or the environment), with a propensity for being detrimental. There have been many original interpretations put forth. "Effect of Uncertainty on Objectives" is the globally accepted definition of risk for use in a variety of applications.
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What does water vapor rising include?
Water vapor rising refers to the process by which water molecules in the air become more energetic and move more freely, causing them to rise higher in the atmosphere. This can occur as a result of several different factors, including:
1. Temperature: Water vapor will tend to rise in the atmosphere if it is warmer than the surrounding air. As the water molecules absorb heat energy, they become more energetic and are able to move more freely, causing them to rise.
2. Humidity: Water vapor will also tend to rise in the atmosphere if the air is already saturated with moisture. When the air becomes saturated, any additional water vapor that is added to it will be less likely to stay in the air and will instead tend to condense and fall to the ground.
3. Pressure: Water vapor will also tend to rise in the atmosphere if the air pressure is lower at higher altitudes. As the water molecules rise and the air pressure decreases, they become more energetic and are able to move more freely, causing them to rise further.
Overall, water vapor rising is an important process in the Earth's atmosphere that helps to distribute heat and moisture around the planet and to regulate the Earth's climate.
female gains in body fat starting around puberty can result in a cycle of diminished physical fitness. please select the best answer from the choices provided. True or False
Female gains in body fat starting around puberty can result in a cycle of diminished physical fitness.The answer is true.
Some moments in a woman's life are to be watched more closely. The first of them is puberty.
It is known that the onset of overweight in children and adolescents predisposes, with high probability, to the development of obesity in adulthood. We will strive to monitor more particularly young girls quickly pubescent (early puberty), who grow a little too much.
Anyway, to keep a nice silhouette, prefer exercise. Did you know, the parameter most correlated with the increase in the frequency of obesity in the United States is not the diet but the number of trips by car.
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If the apple snail population, a primary
consumer, were to decrease what would
the limpkin, a secondary consumer that
eats mainly apple snails, have to do to
adapt to its environment? (Please
explain)
If the apple snail population were to decrease, the limpkin, a secondary consumer that eats mainly apple snails, would have to find an alternative food source in order to adapt to its environment. This could involve finding other types of snails or mollusks to eat, or potentially switching to a diet that includes other types of prey. The limpkin may also need to range over a larger area in order to locate sufficient food, or it may need to change its foraging behavior in order to more effectively locate and capture its preferred prey. Ultimately, the limpkin's ability to adapt to a decline in the apple snail population will depend on the availability of other suitable food sources and the flexibility of its foraging behavior.
What gene determines fur color?
A co-dominant red gene (O/o) found on the X chromosome determines whether there is a red variation in cat's coat color. This gene encodes pheomelanin. The dominant O allele encodes an orange tone, while the recessive O allele encodes non-orange pigmentation (black or brown).
A cat with a dominant color (black, red, calico, etc.) needs a parent to indicate the dominant color. Her two parents with recessive colors (cream, blue, etc.) cannot produce offspring with dominant colors (black, red, etc.).
Cats inherit half of their genetic makeup from their mothers and half from their fathers. There are 19 chromosomes each, 38 total, the X and Y chromosomes determine sex.
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What is the genotypic ratio for 50 50?
A test-cross should result in 50% of all children having the bb genotype and a white phenotype if the male is Bb as previously described. After a testcross to a heterozygous person, there should always be an about 1:1 ratio between the dominant and recessive characteristics. Therefore, the genotypic to phenotypic ratio in this instance is 50:50.
The parts of an organism's genome that make up its genotype. The set of alleles or genetic variations that a person possesses inside a certain gene or genetic area is also referred to as their genotype. The number of copies of each chromosome found in that species, or ploidy, determines how many alleles a person can have for a given gene. Each person has two alleles for each gene since humans are diploid (have two full sets of chromosomes). Homozygous is the term used to describe a genotype where both alleles are the same. The genotype is referred to as heterozygous when there are two distinct alleles.
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What are 2 examples of codominance?
Examples of animal codominance include spotted chickens with both black and white feather alleles and lone cows that express red and white fur alleles.
Codominance and incomplete dominance are two category of genetic inheritance. Codominance actually means that neither allele can block or camouflage the expression of the other allele. Co-dominance can also occur in less obvious traits such as blood type. Both the A and B alleles of blood type can be expressed simultaneously, resulting in blood type AB. In genetic terms, codominance refers to a mode of inheritance in which two versions of the same gene (alleles) of her are expressed separately to produce different traits in an individua
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Explain the application of biology epecially the role of microbilogy and biotechnology for the growing public and global health need
A, in the development of effective diagnotic ,prevention and treatment meaure including production of novel drug and recombnant vaccine
B, in the production of nutritionally enriched genetically modified crop and animal to alloviate food inecurity which i a common dilemma particularly in underdeveloped countrie
Biotechnology is the application of biology to the creation of new things, processes, and creatures with the goal of enhancing society and human health.
A. Medical biotechnology is a subspecialty of medicine that conducts research on living cells and cell components before creating pharmacological and diagnostic products. These goods aid in both disease treatment and prevention. Modern diagnostic and preventative medical devices, such as diagnostic test kits, vaccinations, and radio-labeled biological treatments used for imaging and analysis, have been made possible by advances in biotechnology.
B. By improving crop quality and in some cases productivity, biotech crops can boost farming's profitability. Some of these crops can make work easier and increase farmer safety. As a result, farmers may focus more of their time on other lucrative activities and spend less time cultivating their crops.
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ssertion(A)-Metabolic gas diffuse freely across plasma membrane. Reason(R)-Plasma membrane is permeable to these gases.
Answer: The assertion is true and the reason is the correct explanation of the assertion
Explanation: This statement is true because the plasma membrane is selectively permeable, meaning that it allows some substances to pass through it while preventing others from crossing it. Gases like oxygen and carbon dioxide are small molecules that can easily diffuse through the membrane due to their size and lack of charge. Additionally, the plasma membrane has channels and pumps that specifically facilitate the movement of gases across the membrane. Therefore, metabolic gases can freely diffuse across the plasma membrane due to the permeability of the membrane.
Why is permeable soil best for plants?
Without sufficient Soil permeability, plants drown, suffocate, dehydrate, and starve. Healthy soil consists of sand, loam, and clay of varying sizes. The area between these bits are labeled macropores and micropores, depending on their size.
Soil permeability, the property of soil that allows water and air to pass through, is one of the most important properties to consider for fish farming. A pond built on impermeable soil loses little water to leach out. The more permeable the soil, the greater the penetration.
Soil permeability is important for proper plant growth and development and helps plants absorb minerals and sugars. Poor soil permeability also results in mud and stagnant water.
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What is the genotypic ratio of dihybrid cross of round yellow?
The genotypic ratio of dihybrid cross of round yellow is 9:3:3:1 .
Mendel noticed that his dihybrid cross' F2 offspring had a 9:3:3:1 ratio and produced nine plants with round, yellow seeds, three plants with round, green seeds, three plants with wrinkled, yellow seeds, and one plant with wrinkled, green seeds.
An organism's genotype is made up of all of its genetic components. [1] The term "genotype" can also be used to describe the alleles or genetic variations that a person carries in a certain gene or genetic region. [2] The ploidy, or number of copies of each chromosome, found in that species, determines how many alleles a person can have for a given gene.
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Identify the type of symbiosis described. the saguaro cactus provides food for the white-winged dove through its large fruit. the bird consumes the fruit, ingests the seeds, and then deposits the seeds in a new location.
This is an example of mutualism, a type of symbiosis in which both species benefit. In this case, the saguaro cactus provides food for the white-winged dove, and in return the dove deposits the seeds of the cactus in new locations, helping the cactus to propagate.
Mutualism plays an important role in nature, as it helps to ensure the survival of both species. In this case, the saguaro cactus needs the white-winged dove to spread its seeds and help it to propagate, while the dove relies on the cactus for food. This type of symbiotic relationship can be seen in numerous species throughout the world, and is an important factor in maintaining the balance of nature.
In addition to providing food for the white-winged dove, the saguaro cactus also offers other benefits. Its large fruit is a valuable source of nutrition for other species, such as birds, mammals, and reptiles. The cactus also provides shelter for various animals, including bats, lizards, and hummingbirds. The shade from the cactus helps to keep the environment cooler, which can be beneficial to other species in the area.
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What is a bicameral legislature composed of?
A legislature having two houses is referred to as bicameral. The Lok Sabha & Rajya Sabha are the two houses of the Indian Parliament. There are just a few states in India that also have a bicameral legislature made up of the Vidhan Sabha or Vidhan Parishad, whereas most only have the Vidhan Sabha.
In the United States, bicameral legislatures make up the majority of state and federal legislatures. That is, there are two distinct bodies that make up each legislative.Each party would've been represented inside a balance of power under the bicameral system. In the Senate, where each state would have two senators, representation would be equal, whereas in the House of Representatives, representation would be determined by population.Congress is said to be bicameral if it has both the House of Representatives and the Senate. Due to a compromise the Founding Fathers reached during the Constitutional Convention, we now have two chambers of Congress.
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Which of the following expalins why folate is critical to the health of a newly conceived embryo?
A. Folate is essential for heart function
B. Folate is essential for maintaining prioper fluid balance
C. Folate is needed for spinal cord formation
D. Folate regulates bone formation
Answer:
I believe the answer is D. Folate regulates bone formation.
Explanation:
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Joe places a whole orange on a scale and finds that the reading on the scale is the same as when he cuts the orange into segments and places all of the segments on the scale at one time. The readings on the scale show an example of which scientific law?
Joe's reading on the orange scale shows an example of the scientific law of mass conversion.
The law of mass conservation is a law that states that mass is eternal. the law of conservation of mass states that matter or mass cannot be created or destroyed but can be changed into other forms such as liquids, gases, as well as solids.
For example, when someone burns wood. The mass of burning wood is not destroyed. However, it changes form to charcoal, ash, and smoke with the same total mass.
Likewise, what Joe did when he read the mass scale of the orange before and after it was cut, the mass did not change.
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Suppose there are two homologous chromosomes. Each chromosome contains a single mutant allele in different parts of the chromosome. How can crossovers be beneficial in this situation
Answer:
Crossovers can be used in this situation to take the two mutated alleles and combined them which would create a normal allele.
when polymers are broken down into monomers, what would your body do with those monomers?
When polymers are broken down into monomers, the body uses those monomers for respiration and protein synthesis.
Most mаcromolecules аre mаde from single subunits, or building blocks, cаlled monomers. The monomers combine with eаch other using covаlent bonds to form lаrger molecules known аs polymers. In doing so, monomers releаse wаter molecules аs byproducts. This type of reаction is known аs dehydrаtion synthesis, which meаns “to put together while losing wаter”.
Polymers аre broken down into monomers in а process known аs hydrolysis, which meаns “to split wаter”, а reаction in which а wаter molecule is used during the breаkdown. During these reаctions, the polymer is broken into two components: one pаrt gаins а hydrogen аtom ([tex]H^{+}[/tex]) аnd the other gаins а hydroxyl molecule ([tex]OH^{-}[/tex]) from а split wаter molecule.
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Which of the following is not used in vegetative propagation?
a. leaf
b. stem
c. seed
d. root
Answer: The correct answer is C, seed. Seeds are not used in vegetative propagation; instead, vegetative propagation involves taking parts of existing plants and using them to create new plants. This can include taking cuttings from stems, leaves, and roots.