Base your answer to the following question on the data table and on your knowledge of biology. The data table shows the amount of oxygen that will dissolve in freshwater and seawater at different temperatures. The amount of oxygen is expressed in parts per million (ppm). State how the oxygen-holding ability of freshwater varies with changes in temperature. Answer in a complete sentence to earn credit.
Answers
As a result, the concentration of dissolved oxygen in freshwater decreases as temperature increases, making it more difficult for aquatic organisms to obtain the oxygen they need for respiration.
What is Temperature?
Temperature is a measure of the degree of hotness or coldness of an object or substance relative to another object or substance. It is a physical property that is related to the average kinetic energy of the particles (such as atoms and molecules) that make up the object or substance. The higher the temperature, the greater the kinetic energy of the particles, and the faster they move.
Based on the data table and our knowledge of biology, the oxygen-holding ability of freshwater decreases as temperature increases. This is because as water temperature increases, its ability to hold dissolved gases like oxygen decreases. As a result, the concentration of dissolved oxygen in freshwater decreases as temperature increases, making it more difficult for aquatic organisms to obtain the oxygen they need for respiration.
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Trans-ancestry genome-wide association meta-analysis of 418 prostate cancer identifies new susceptibility loci and informs genetic risk prediction
Answers
The article titled "Trans-ancestry genome-wide association meta-analysis of 418 prostate cancer identifies new susceptibility loci and informs genetic risk prediction" presents the results of a study that analyzed the genetic factors associated with prostate cancer across different ancestral populations.
In this study, researchers performed a meta-analysis, which is a statistical technique that combines data from multiple studies, to identify new genetic markers, or loci, that may be linked to prostate cancer susceptibility. The analysis included a total of 418 prostate cancer cases.
By examining the genetic information of individuals from diverse ancestry backgrounds, the researchers aimed to uncover genetic risk factors that may be specific to certain populations or shared across different ethnicities. This approach allowed for a more comprehensive understanding of the genetic basis of prostate cancer.
The findings of this study revealed the identification of new susceptibility loci, which are regions in the genome that are associated with an increased risk of developing prostate cancer. These loci provide insights into the underlying genetic factors contributing to the disease.
Additionally, the results of this study have the potential to inform genetic risk prediction for prostate cancer. By identifying specific genetic markers associated with increased risk, researchers can develop more accurate risk prediction models. These models can help identify individuals who may benefit from early screening or targeted interventions.
In summary, the article describes a trans-ancestry genome-wide association meta-analysis that identified new susceptibility loci for prostate cancer. The findings have implications for genetic risk prediction and may contribute to our understanding of the genetic basis of this disease. This study advances our knowledge of prostate cancer genetics and has the potential to improve patient outcomes through more targeted approaches.
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1. A cold can of coke is left on a table at room temperature, after about 15 minutes the can is covered in condensation. Explain what has taken place by explaining the movement of the particles.
2. How is temperature related to the transfer of kinetic energy? Explain using an example.
3 Explain how kinetic energy affects each object as it changes its state of matter:
A) Wate boiling
B) Popsicle freezing
C) Water condensing on the side of a water bottle
Answers
Answer:
1. Water Condenses on an Aluminium Can. Water condenses on a can of cold soda. Water vapor in the air reaches its dew point as it cools in the air around the can, forming liquid drops of water. Condensation is the process where water vapor becomes liquid.
2. The Kelvin temperature of a substance is directly proportional to the average kinetic energy of the particles of the substance. For example, the particles in a sample of hydrogen gas at 200 K have twice the average kinetic energy as the particles in a hydrogen sample at 100 K.\
3. A water boiling
Explanation:
1) What has taken place on the outside of the coke can by the movement of the particles is called; Condensation
2) The relationship between temperature and the transfer of kinetic energy is that; temperature is directly proportional to the kinetic energy.
3a) Water Boiling; From liquid to Gas
3b) Popsicle freezing; From liquid to solid
3c)Water condensing on the side of a water bottle; From gas to Liquid.
1) Since a cold can is left on the table at room temperature, it means that it will began to get warm because room temperature is warm. This means the cold can will begin to get less cold and become warm and in this process, it gives off water vapour from the body of the can. This water vapor becomes liquid on the surface of the can in a process known as condensation.
This is because condensation is when water vapor becomes liquid.
2) Kinetic energy is the energy of a substance when its molecules are in motion. Thus, the more heat gained by a substance, the more speed will be gained by the molecules and consequently lead to an increase in kinetic energy. Thus, temperature is directly proportional to the kinetic energy.
An example, is when we are boiling water water. The more the temperature at which the water heated is increased, the faster the molecules of the water will be and as a result the kinetic energy transferred to the water will also increase.
3a) Boiling Water; When we boil water, we are basically converting water to steam. This is because the higher the temperature, the higher will be the kinetic energy of the water molecules and at 100°C, liquid water changes state to gas which is steam.
3b) Popsicle Freezing; In contrast to boiling when the temperature is increased, in freezing the temperature is reduced and as a result there is little to no movement between the particles which means that the kinetic energy is very low and as a result the particles come together and begin to bond with each other in freezing. Popsicle is liquid ice cream and as such in freezing changes from liquid to solid.
3c) Water condensing on the side of a water bottle; From question 1 above, this process is called condensation where there is a change of state from gas(water vapour) to liquid.
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You can physically see the__of a trait, but not the__
Answers
1.) A. Phenotype
B. Genotype
Phenotype corresponds to the physical
appearance of a particular characteristic or
morphological form in an individual.
Example - Hair color, plant height, skin color.
On the other hand, genotype corresponds to
the genetic makeup of an individual. It is
depicted by the gene that is present in the
individual organism. Example- Genotype for
dwarf height in pea plant is 'tt', which carries
both recessive gene variants.
Thus, we can physically see the phenotype
of a trait, but not the genotype.
а.
The uppermost zone in lakes and ponds, which is close to the shore and rich in nutrients is called the
benthic zone
b limnetic zone
C. pelagic zone
d. littoral zone
Answers
Answer:
D
Explanation:
the littoral zone is close to the shore and is partially submerged with shallow water. It is the uppermost zone of the aquatic water body. It is the part of lakes, rivers, ponds and sea.
Answer:
d
Explanation:
edge
Which is NOT considered an organism?
fungi
virus
bacteria
German Sheppard
Answers
Answer:
Virus.
Explanation:
Living things are organisms
Fungi is a plant which is a living thing
bacteria is an organism
and a German Shepherd is a animal which is a living thing
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analysis of a pedigree can reveal whether a single-gene disorder is associated with a dominant or recessive allele, and whether the allele is on an autosome or a sex chromosome a. true b. false
Answers
Analysis of a pedigree can reveal whether a single-gene disorder is associated with a dominant or recessive allele and whether the allele is on an autosome or a sex chromosome. Given statement is True.
Dominant alleles only require one copy to be expressed, while recessive alleles require two copies to be expressed. Therefore, in a pedigree, a dominant disorder will be present in every generation, while a recessive disorder may skip generations. By examining the inheritance pattern of the disorder in a pedigree, it is possible to determine whether the allele is on an autosome or a sex chromosome. For example, if the disorder is present in both males and females, it is likely located on an autosome, while if the disorder is only present in one sex, it is likely located on a sex chromosome.
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A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of: Sympatric speciation. Iterative evolution Evolutionary drift Genetic drift Lamarckian evolution
Answers
The correct answer is iterative evolution. A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of iterative evolution.
Iterative evolution is the development of similar structures or forms independently over time in separate lineages. This is frequently seen in unrelated lineages of organisms that evolve similar features through convergent evolution. The crocodile-like morphology that evolved independently in Triassic reptiles called phytosaurs and later in true crocodiles is an example of iterative evolution as they evolved independently in separate lineages. The ability of the phytosaurs to thrive in an aquatic environment likely contributed to the development of this morphology, which later allowed true crocodiles to similarly thrive.
Phytosaurs as flying birds:
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Describe an arthropod? Include multiple examples.
Answers
Answer:
an invertebrate animal of the large phylum
Examples:
like spiders, insects crabs, scorpions, mili/centi pedes things like those
in a few sentences tell me what you know about cells.
Answers
Answer:
Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function.
Explanation:
Cells are made up of energy, and are composed to the human body.
Which of the following are ways that plants help humans? acting as a carbon sinkbioremediationcontrolling erosionabscission
Answers
Plants help humans in many ways. The food that we eat, the home that serves as our shelter, the medicine that cure our illnesses, as well as the fuel that is used by our automobiles are all from plants.
From the options provided, the following are ways where plants help humans.
1. Plants act as a carbon sink. They are the one responsible for the absorption of CO2 from the atmosphere in the process of photosynthesis.
2. Plants aid in the absorption of water in the soil to prevent flooding and erosion.
3. Bioremediation is a technology that uses plants in order for humans not to fell the harmful effect of environmental hazards. This process is a way for the cleaning of water resources as well as improvement of the quality of air.
Abscission is the separation of a the part of the plant to its organ.
There are n bacteria and one virus in a Petri dish. Within the first minute, the virus kills one bacterium and produces another copy of itself, and all of the remaining bacteria reproduce, making 2 viruses and 2(n−1) bacteria. In the second minute, each of the viruses kills a bacterium and produces a new copy of itself, resulting in 4 viruses and 2(2(n−1)−2))=4n−8 bacteria. Again, the remaining bacteria reproduce. This process continues every minute. Will the viruses eventually kill all the bacteria? If so, give an algorithm that computes how many steps it will take. How does the running time of your algorithm depend on n ?
Answers
The viruses will eventually kill all the bacteria. The running time of the algorithm is approximately O(log n).
Yes, the viruses will eventually kill all the bacteria. The number of bacteria decreases with each step, while the number of viruses doubles. The algorithm for determining the number of steps increments the step until the number of remaining bacteria becomes zero.
The running time of the algorithm is approximately logarithmic in nature, as the number of steps required to eliminate all bacteria grows logarithmically with the initial number of bacteria, n. This means that as the number of bacteria increases, the running time of the algorithm increases at a slower rate, making it an efficient approach for large values of n.
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Pooh had a colony of tiggers whose stripes went across the body. His American pen-pal, Yogi, sent him a tigger whose stripes ran lengthwise. When Pooh crossed it with one of his own animals, he obtained plaid tiggers. Interbreeding among the plaid tiggers produced litters of a majority of plaid members, but some crosswise- and lengthwise-striped animals were also produced. Diagram the crosses made Pooh, showing the genotypes of the tiggers which account for the coat patterns observed.
Answers
In this case, the parental are lengthwise stripes (genotype ls/ls) and plaid stripes (genotype Ps/Ps), the F1 is plaid (100%) and F2 is plaid (75%) and lengthwise (25%). It is a Mendelian inheritance pattern.
Mendelian inheritance and complete dominanceComplete dominance occurs when the dominant allele (in this case, the plaid stripe trait) completely masks the recessive allele (lengthwise stripes) in heterozygous individuals.
The cross between tigers having lengthwise stripes (genotype ls/ls) and plaid stripes (genotype Ps/Ps) will produce an F1 100% having the plaid stripes (genotype Ps/ls) trait because this trait is dominant.
In the F2 obtained by crossing heterozygous plaid stripes individuals (genotype Ps/ls), the recessive trait 'lengthwise stripes' will be observed (again) in a proportion of 3:1.
In this case:
P >> lengthwise stripes x plaid stripes F1 >> 100% plaid stripes F2 >> plaid stripes (75%) and lengthwise-stripes (25%)Learn more about Mendelian inheritance here:
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which of the following statements about m protein is false?group of answer choicesit is a protein.it is found on streptococcus pyogenes.it is readily digested by phagocytes.it is heat- and acid-resistant.
Answers
The false statement about m protein is that it is readily digested by phagocytes. In fact, m protein is known for resisting digestion by phagocytes, which contributes to its ability to evade the immune system and cause infections.
Based on the given choices, the false statement about M protein is: "it is readily digested by phagocytes." M protein, found on Streptococcus pyogenes, is a heat- and acid-resistant protein that helps the bacteria evade the host immune system by inhibiting phagocytosis.
The myth regarding m protein is that phagocytes can easily digest it. In fact, the ability of m protein to evade the immune system and spread diseases is understood to be a result of its resistance to phagocyte digestion.
Streptococcus pyogenes contains the heat- and acid-resistant M protein, which aids the bacterium in evading the host immune system by preventing phagocytosis.
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Roberto creates an animation titled “Flying through an Atom.” The animation makes it seem as if the viewer passes all the way through an atom, starting from one side, then through the atom’s center, and then leaving through the other side.
What is the best description of the order of events in the animation?
Answers
he going there the atom seeing everything in it until the end form the start
A local farmer began to follow a more sustainable practice. as a result, his levels of carbon emissions decreased by fifty percent. the soil quality will most likely .
Answers
Unless there is more information missing from this passage; the quality of soil will increase as sustainability increases. With a lack of additions from foreign substances, the earth shall regain its initial strength to grow whatever crop.
Answer:
Increase
Explanation:
Since it let the plants decay there, most probably the soil quality increased, and just like the person above me said, that is the answer if there is no missing information.
Hope it helps!
What are the three final nucleotides on the newly created mRNA in the animation sequence?
Answers
Answer: They are the stop codon
Explanation: At the end of and mRNA squence there are three nucleotides that tell the ribosome to end the protein being made.
What are some of the challenges scientists might face when directly observing animal behavior in the wild? What do you think would be most effective in helping them overcome those challenges?
Answers
Some of the challenges scientists might face when directly observing animal behavior in the wild are:
Remote sensingBio-loggesStationary field imaging techniquesWhat are animals?These are living organisms which cannot produce their food by themselves but depend on other organisms for food .
Animals are generally classified as:
VertebratesInvertebratesSo therefore, some of the challenges scientists might face when directly observing animal behavior in the wild are:
Remote sensingBio-loggesStationary field imaging techniquesLearn more about animals:
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WHAT MIGHT HAPPEN IF
ALL THE HERBIVORES IN
A FOOD WEB
DISAPPEAR?
Answers
Answer:
Well, if all the herbivores disappeared, multiple things could occur. Without anyone keeping plants in check, plants may grow too abundant and may be harmful to the food web. Not only that, but predators that eat herbivors might starve without food. On the plus side, natural resources like water would increase without herbivores drinking/using it.
I hope this helps :)
Explanation:
Bacteria are single-celled microorganisms that are present almost everywhere. In human bodies, some bacteria live in the stomach where they help to break down food. Which claim does this evidence BEST support?
A The evidence supports the claim that microorganisms need humans to survive. B The evidence supports the claim that all microorganisms are harmful.
C The evidence supports the claim that microorganisms do not affect the human body.
D The evidence supports the claim that some microorganisms are beneficial
Answers
Answer:
the evidence supports that the claim that some microorganisms are beneficial
The evidence supports the claim that some microorganisms are beneficial. So, the correct option is D.
What are Microorganisms?A microorganism, often known as a microbe, is a microscopic-sized living being that can be a single cell or a collection of cells. Throughout the beginning of time, there have been theories that undiscovered microbial life exists.
Microbes are extremely minute living entities that are all around us and are invisible to the unaided eye. These are aquatic, terrestrial, and avian organisms. Millions of these bacteria, which are also referred to as microorganisms, reside in the human body. While certain microorganisms make us ill, others are vital to our wellbeing.
Therefore, the correct option is D.
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What is half life?
1. the amount of time it takes for half of an atom's electrons to decay
2. the amount of time it takes for some of a radioactive substance to decay
3. the amount of time it takes for half of a radioactive substance to decay
4. the amount of time it takes for all of a radioactive substance to decay
Answers
Answer:c
Explanation:
. jermakowicz wj, ivan me, cajigas i, ribot r, jusue-torres i, desai mb, et al. visual deficit from laser interstitial thermal therapy for temporal lobe epilepsy: anatomical considerations. oper neurosurg (hagerstown). 2017;13(5):627-633.
Answers
The most frequent side effect of LITT for mesiotemporal epilepsy is visual impairments, and individuals who are most at risk may have low levels of cerebrospinal fluid in the choroidal fissure, which allows heat to transfer from the hippocampus body to the lateral geniculate nucleus.
What is laser interstitial thermal therapy ?A newly developed method for treating primary and metastatic brain cancers that are difficult to access with traditional surgery is laser interstitial thermal treatment (LITT). In order to perform LITT, a laser catheter must be inserted into the tumour and heated to temperatures high enough to destroy the tumour.
Patients with drug-resistant epilepsy, which entails seizures that don't respond to medicine, can undergo laser interstitial thermal treatment (LiTT), a minimally invasive procedure. Some persons with focal seizures, which are seizures coming from one specific area, may benefit from LiTT.Learn more about Laser interstitial thermal therapy here:
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Which of these is a segment of DNA that contains the information necessary to produce a protein? A) a codon B) a gene C) a base D) a chromosome
Answers
Answer:
B. A gene
Explanation:
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According to the image, which example would be linked together repeatedly to create the macromolecule that can function as an
enzyme or to transport substances or protect against disease?
Answers
Answer:Enzymes called transport ATPases use the energy stored in ATP molecules to pump ions across cell membranes against steep concentration gradients. In doing so, they demonstrate that the enzyme keeps its hydrophobic domain buried by rocking back and forth in the membrane.
Explanation:
Write a testable question that could be used to further investigate the topic of cells in organisms. please help i will give brainleist
Answers
Answer:
Explanation:
How do cells affect organisms in mass?
im sorry im really late to this!
A testable question related to the topic of cells in organisms: "How does the presence of a cell's nucleus impact the rate of protein synthesis in eukaryotic cells compared to prokaryotic cells?"
This question could be explored through experiments that compare the protein synthesis rates between eukaryotic cells (which have a nucleus) and prokaryotic cells (which lack a nucleus). By measuring the rates of protein synthesis in both types of cells under various conditions, researchers could gather data to determine if the presence of a nucleus has an effect on the cellular process of protein synthesis.
Cell biology has also contributed to medical advances, such as understanding the basis of diseases like cancer and developing therapies. The development of microscopy techniques and molecular tools has allowed scientists to delve deeper into the molecular and cellular mechanisms underlying various biological processes.
In summary, cells are the fundamental units of life, and their study is crucial to understanding how organisms function, develop, and interact with their environment. The differences between prokaryotic and eukaryotic cells contribute to the diversity and complexity of life on Earth.
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What principle can be applied to all chemical reactions?
A) conservation of mass
B) reactants formed from products
C) energy loss theory
D) coefficient principle
Answers
Which of the following is NOT a need of all living things?
Answers
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions.
Site 1: "Stages of Sleep"
Describe the body's typical state during the first stage of sleep. (Site 1)
Answers
The first stage of sleep is defined as the period between wakefulness and sleep, and it is characterized by a decrease in brain activity and muscle tone.
The body's typical state during the first stage of sleep includes a decrease in muscle tone, a slowing of brain waves, and a decrease in eye movement. During this stage, the brain waves are generally alpha waves, which are slower than those that occur during wakefulness, but faster than those that occur during deeper stages of sleep.The first stage of sleep is often referred to as light sleep because it is easy to be awakened from this stage.
It usually lasts for about 5-10 minutes, and during this time, the body's temperature begins to decrease, and the heart rate and breathing rate begin to slow down. In addition to these changes, the body may also experience other physiological changes, such as a decrease in blood pressure and a decrease in the production of stress hormones.
The first stage of sleep is an important part of the sleep cycle because it is the stage that helps to prepare the body for deeper stages of sleep. During this stage, the body begins to relax, and the mind begins to slow down. This allows the body to enter deeper stages of sleep, where the brain waves slow down even further, and the body's muscles become even more relaxed. Overall, the first stage of sleep is an important part of the sleep cycle, and it is necessary for the body to enter deeper stages of sleep so that it can rest and rejuvenate.
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A bird watcher sees an unusual bird at a feeder. He
takes careful notes on the bird's color, shape and
other physical features, and then goes to a reference
book to see if he can identify the species. What aspect
of scientific thinking is MOST apparent in this
situation?
Answers
Answer:
he takes careful notes on the bird's color, shape and
other physical features
Explanation:
Estupefacientes o psicotrópicas productoras de dependencia física o síquica, capaces de provocar graves efectos tóxicos o daños considerables a la salud." Esta definición corresponde a: *
Answers
Answer:
Drogas.
Explanation:
Las drogas son sustancias que tienen un efecto modificatorio sobre el estado normal de la psique. Por tanto, estas sustancias influyen en el comportamiento o la experiencia del usuario, pudiendo tener un efecto alucinógeno, pero también sedantes o una mixtura entre ambos.
El término se usa generalmente para indicar sustancias que tienen un efecto muy fuerte (por ejemplo, heroína, cannabis, mescalina, alcohol). Aunque los estimulantes cotidianos como el café y el chocolate también pueden tener un efecto en la psique, generalmente no se clasifican como sustancias psicoactivas debido a su efecto relativamente leve.
Los medicamentos que tienen un efecto sobre la psique se denominan psicofármacos. No obstante, los medicamentos que no se clasifican principalmente como psicofármacos, como los antihistamínicos, los agentes anti-mareo y los betabloqueantes, pueden también tener un efecto psicotrópico.
help meee pretty please
Answers
Answer:
it is 2 and 4 and 5
Explanation:
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Answer:
1. Exoskeleton
2. Jointed limbs
3. bilaterally symmetrical
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