Which is most likely an example of a heat source?
1. Lake Ontario on a clear fall night
2. an iceberg in the North Atlantic Ocean
3. a desert waterhole on a sunny summer day
4. a Rocky Mountain glacier in August
Answers
Answer:
I feel its no. 3 a desert waterhole on a sunny summer day
Related Questions
the relationship between reproduction and the nervous system
Answers
Answer: The nervous system plays a crucial role in coordinating and modulating various aspects of reproduction, including sexual behavior, hormone production, and reproductive physiology.
Explanation: The relationship between reproduction and the nervous system can be understood in terms of the control and regulation of reproductive processes by the nervous system.
The nervous system, specifically the brain, plays a crucial role in sexual behavior by combining sensory information, emotions, and mental processes. It regulates the release of hormones and neurotransmitters, which affect sexual arousal, desire, and mating behaviors.
The autonomic nervous system plays a role in reproductive physiology by controlling physiological reactions related to reproduction. The sympathetic division triggers the "fight-or-flight" response, which may momentarily limit reproductive activities during stressful situations. On the other hand, the parasympathetic division promotes relaxation and is involved in sexual desire and erection.
The nervous system is absolutely essential in effectively managing and organizing the complex reproductive processes that are absolutely critical for the survival and perpetuation of a given species.
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Please help I’ll mark brainlist and give feedback
Answers
Answer:
High pop in clumped area.
let's suppose you had a plant with purple flowers and unknown genotype and conducted a testcross to determine its genotype. you obtained 41 plants: 20 white flowers and 21 with purple flowers. what was the original purple flowered plant?
Answers
Based on your testcross results, the original purple-flowered plant likely had a heterozygous genotype (Pp).
This is because the offspring displayed a roughly 1:1 ratio of purple to white flowers. In a testcross, the unknown genotype is crossed with a homozygous recessive individual (pp). If the original purple-flowered plant was homozygous dominant (PP), all offspring would have purple flowers.
However, since the results show both white and purple flowers, the original plant must be heterozygous (Pp). This would produce a 1:1 ratio of purple (Pp) to white (pp) flowers in the offspring, consistent with your results.
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what processes are arrows pointing to here? (hint they are all the same kind of process, so just give me the name for what one of them is called).
Answers
The processes that the arrows are pointing to are called photosynthesis.
What's photosynthesisPhotosynthesis is the process by which plants use sunlight, water, and carbon dioxide to produce energy in the form of glucose and release oxygen as a byproduct. This process is essential for the survival of plants and is also important for the Earth's atmosphere, as it helps to regulate the levels of carbon dioxide and oxygen.
In the diagram, the arrows represent the flow of energy and matter during photosynthesis, with the sun providing the energy, water and carbon dioxide being taken in by the plant, and glucose and oxygen being produced and released.
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When a can is crushed is it going threw physical change or chemical change
Answers
answer
physical change
Explanation:
Answer:
Physical
Explanation:
E
A virus’s protein coat, or
capsid
, helps trick a host cell to take in the virus. Viruses that infect bacteria are called
bacteriophages
; some cause a
lytic infection
, in which viral enzymes
Choose...
, or rupture, the bacterium’s cell wall, while others cause a
Choose...
, in which the virus may remain inactive for many cell divisions.
Answers
Some bacteriophages may cause a lytic infection, in which viral enzymes degrade or rupture, the bacterium’s cell wall, while others cause a lysogenic infection, in which the virus may remain inactive for many cell divisions.
What are viruses?Viruses are microscopic particles which are living only when they are found inside a host organism.
A virus’s protein coat, or capsid, helps trick a host cell to take in the virus.
Viruses that infect bacteria are called bacteriophages
Some cause a lytic infection, in which viral enzymes degrade or rupture, the bacterium’s cell wall, while others cause a lysogenic infection, in which the virus may remain inactive for many cell divisions.
In conclusion, viruses may either employ lytic or lysogenic infections,
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By what process is a dna molecule copied exactly in preparation for cell division?.
Answers
When a cell divides, DNA copies itself through a process called replication.
DNA replication is the process by which cells copy the genome's DNA. A cell must first replicate its full genome before it can divide, ensuring that each daughter cell has a complete genome upon division.
The replication process separates these strands. Each strand of the original DNA molecule is used as a template in the semiconservative replication process to make its counterpart.
The DNA molecule splits into two strands during replication and then creates two new complementary strands using base pairing principles. The DNA double helix's individual strands each act as a model or template for the new strand.
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Pls help me with this question
Answers
Answer:
All arthropods posses an exoskeleton, bi-lateral symmetry, jointed appendages, segmented bodies, and specialized appendages. The major arthropod classes can be separated by comparing their number of body regions, legs, and antennae.
Answer:
Segmented body, Open circulatory system.
Explanation:
select all that applyselect all the statements that correctly describe the flow of energy and chemicals between autotrophs and heterotrophs.multiple select question.
A. autotrophs combine organic carbon and oxygen to produce carbon dioxide and nitrogen.
B. heterotrophs combine oxygen and sunlight to produce organic carbon and water.
C. heterotrophs use organic carbon and oxygen and produce carbon dioxide and water.
D. autotrophs take in carbon dioxide and water and produce oxygen and organic carbon.
Answers
Heterotrophs use organic carbon and oxygen and produce carbon dioxide and water. Autotrophs take in carbon dioxide and water and produce oxygen and organic carbon. The correct answers are: C and D.
Autotrophs are organisms that can produce their own food using inorganic substances and light or chemical energy. Heterotrophs are organisms that cannot produce their own food and must consume other organisms for energy.
In a food chain, autotrophs are the producers, and heterotrophs are the consumers. Autotrophs use the energy from sunlight or chemical reactions to convert inorganic substances into organic compounds. Heterotrophs consume autotrophs or other heterotrophs to obtain energy.
The flow of energy in a food chain is from the sun to the autotrophs to the heterotrophs. The flow of chemicals in a food chain is from the inorganic substances to the autotrophs to the heterotrophs.
Therefore, the correct options are C and D, Heterotrophs use organic carbon and oxygen and produce carbon dioxide and water. Autotrophs take in carbon dioxide and water and produce oxygen and organic carbon.
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13. Which organelle contains genetic information and controls most cell activities?
a. Nucleus
b.) Cell membrane
C. Vacuole
d. Endoplasmic reticulum
14 Most of th
deyz no
nagyon
Answers
Answer:a)Nucleus
Explanation: Nucleus of the cell contain chromosomes which have the genetic information and is responsible for most of the cell activities. The nucleus performs cell division which requires replication of the genetic material present in the chromosomes of the nucleus.
How does osmoregulation take place in trout fish?
Answers
Answer:
The gills actively uptake salt from the environment by the use of mitochondria-rich cells. some marine fish, like sharks, have adopted a different, efficient mechanism to conserve water, osmoregulation. they retain urea in their blood in relatively higher concentration.
Explanation:
Active Identifying Structures in the Cell Identify the labeled structures. A,B,C,D,E
Answers
Answer:
A. Rough ER
B. Chloroplast
C. Lysosome
D. Cytoplasm
E. Cell wall
Explanation:
Answer: Rough ER Chloroplast Lysosome Cytoplasm Cell wall
Explanation:
In addition to the pigments commonly associated with photosynthesis a certain photosynthetic species contains two additional pigment types .which of the following best supports the claim that the species is better adapted to environmental change than other photosynthetic species are?
Answers
The extra pigments enable the creatures that have them to absorb sunlight's energy at even a wavelength that is invisible to these other photosynthetic species.
What is the main function of photosynthesis?
Photosynthesis is primarily used to convert solar energy into chemical energy, which is then stored on it at a later time. The living systems on the planet are largely supplied with power through this function.
What makes photosynthesis so crucial?
Throughout photosynthesis, solar or radiant energy is transformed into chemical energy. The production of field products is directly influenced by photosynthesis. It provides the oxygenation as well as breath that all living things require. It regulates the concentration of carbon dioxide as well as oxygenation in the ecosystem.
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The carrying capacity of an ecosystem is limited by what factors
The presence of humans in the ecosystem.
The size of the animals in the ecosystem.
The needs of the living things within the ecosystem.
There is not limit to the size of a population.
Answers
Answer: The needs of the living things within the ecosystem.
Explanation: Carrying capacity for an ecosystem means the amount of organisms an ecosystem can carry. If the ecosystem overpopulates with a certain species, it decreases the biodiversity of the entire ecosystem. A main factor that the carrying capacity of an ecosystem is limited by is the needs of the living things in that ecosystem. If that ecosystem overpopulates, every species in that ecosystem will compete to meet the needs of their own, whether it's food, water, or shelter.
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A company has an inventory of 1,400 assorted parts for a line of missiles that has been discontinued. The inventory cost is $74,000. The parts can be either (a) remachined at total additional costs of $27,500 and then sold for $34,000 or (b) sold as scrap for $5,500. Which action is more profitable? Show your calculations.
Answers
The following are the calculations to solve the problem that involves a company that has an inventory of 1,400 assorted parts for a line of missiles that has been discontinued. The inventory cost is $74,000.
The parts can be either (a) remained at a total additional cost of $27,500 and then sold for $34,000 or (b) sold as scrap for $5,500.
Let us solve the problem in the following steps:
Step 1: Calculate the Profitability of Option A - re-machining
Solution:
Total Cost of Remachining= $74,000 + $27,500 = $101,500
Profit from Selling= $34,000*1400 = $47,600,000
Profitability= Profit from Selling - Total Cost of Remachining= $47,600,000 - $101,500= $47,498,500 Step
2: Calculate the Profitability of Option B - Selling as Scrap
Solution:
Profitability of Selling as Scrap = $5,500*1,400= $7,700,000 Comparing the two options, Option A is more profitable than Option B as shown below: Option A: $47,498,500Option B: $7,700,000.
Therefore, the company should go for Option A and machine the parts for a profitable business venture.
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The kidney nephrons filter around 125cm3 of blood in one minute.
Calculate the total volume of blood filtered by the kidney nephrons in 24 hours.
Answers
Answer:
180,000 volume of blood
Explanation:
So the nephrons filter 125 cm^3 of blood in 1 minute so when finding 24 hours you know 1 hour has 60 minutes so multiply 125 by 60 to get 7500 which is the blood filtered in 1 hour and since you need 24 hours multiply this 7500 by 24 to get your final answer of 180,000 volumes of blood filtered.
Acids are corrosive
True
False
Answers
Answer:
True
Explanation:
Acid is naturally corrosive in nature.
More stronger an acid is, the more corrosive it is.
Answer:
its true !!!!!!!!!!!!!
Geneticists can make complimentary DNA copies of messenger, transfer, and ribosomal RNA by using a.reverse transcriptases. b.DNA polymerases. c.ligases. d.restriction endonucleases. e.palindromes.
Answers
Geneticists can make complementary DNA copies of messenger, transfer, and ribosomal RNA by using reverse transcriptase, option (a) is correct.
Reverse transcriptase is an enzyme that can produce a DNA copy from an RNA template. It is commonly used in genetic research to make complementary DNA copies of messenger RNA, transfer RNA, and ribosomal RNA. The cDNA copies can then be used for various applications, such as gene expression analysis, cloning, and protein production.
Reverse transcriptase is isolated from retroviruses, which use it to make a DNA copy of their RNA genome. In addition to its use in molecular biology, reverse transcriptase is also a crucial component of the life cycle of retroviruses, making it an important target for antiviral therapy, option (a) is correct.
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The correct question is:
Geneticists can make complementary DNA copies of messenger, transfer, and ribosomal RNA by using
a. reverse transcriptase.
b. DNA polymerases.
c. ligases.
d. restriction endonucleases.
e. palindromes.
a) A patient was admitted to the ICU in December 2000 with an uncharacterized bacterial infection. Based on the data from the study, identify the following: The antibiotic that was most likely to be effective for treating the infection and the antibiotic that was least likely to be effective for treating the infection
Answers
According to the data from the study, the antibiotic that was most likely to be effective for treating the uncharacterized bacterial infection in the patient admitted to the ICU in December 2000 is vancomycin. This is because the study reported a high sensitivity rate of the bacteria to vancomycin.
Sensitivity refers to the ability of an antibiotic to effectively kill or inhibit the growth of the bacteria causing the infection. In this case, the high sensitivity rate of the bacteria to vancomycin indicates that it is more likely to be effective in treating the infection. On the other hand, the antibiotic that was least likely to be effective for treating the uncharacterized bacterial infection based on the study data is ampicillin. This is because the study reported a low sensitivity rate of the bacteria to ampicillin. A low sensitivity rate means that the antibiotic is less likely to be effective in treating the infection.
It is important to note that the choice of antibiotic for treating a bacterial infection should be based on various factors, such as the type of bacteria causing the infection, the severity of the infection, the patient's medical history, and the antibiotic resistance patterns in the community. Therefore, it is recommended to consult a healthcare professional for the appropriate choice of antibiotic therapy.
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5. Compare the eukaryotic cell cycle to a human life cycle. How are they similar? How are they
different?
Answers
The eukaryotic cell cycle and the human life cycle have some similarities and differences.
Similarities:
Both involve a sequence of events that occur in a specific order.Both involve phases of growth, replication, and division.Both are regulated by internal and external factors.Both involve a process of development and differentiation.Differences:
The eukaryotic cell cycle is much shorter than the human life cycle. A typical eukaryotic cell cycle lasts only a few hours to a few days, while the human life cycle spans several decades.The eukaryotic cell cycle is a continuous process that occurs repeatedly throughout the lifespan of an organism, while the human life cycle involves distinct stages, such as infancy, childhood, adolescence, adulthood, and old age.The eukaryotic cell cycle involves a single cell dividing into two identical daughter cells, while the human life cycle involves the development of a single cell (the fertilized egg) into a complex multicellular organism with many different cell types.The eukaryotic cell cycle is primarily concerned with maintaining and repairing tissues, while the human life cycle involves growth, development, reproduction, and aging.In summary, the eukaryotic cell cycle and the human life cycle share some similarities, such as a specific sequence of events and regulation by internal and external factors, but they also differ in their duration, stages, goals, and outcomes.
Answer:
The eukaryotic cell cycle and human life cycle are similar in that they both involve a series of stages that follow a particular sequence. However, the eukaryotic cell cycle is much shorter and involves cell division and DNA replication, while the human life cycle spans decades and involves physical, emotional, and cognitive developments that contribute to an individual's growth and well-being.
While both the eukaryotic cell cycle and the human life cycle follow a sequential pattern, they differ in terms of their duration and the specific processes that occur within each stage.
What do you need to add to the growth medium specifically to make that work?X-galTiantibioticIPTGglyphosate
Answers
In order to make the growth medium work, there are several specific substances that need to be added such as X-gal, tiantibiotic, IPTG, and glyphosate
First, X-gal is often added to the growth medium as a substrate for beta-galactosidase, an enzyme that is used to screen for the presence of recombinant DNA. Additionally, a tiantibiotic is often added to the growth medium to select for bacteria that have taken up the recombinant DNA. IPTG is also commonly added to the growth medium as an inducer of protein expression, this molecule binds to a transcriptional repressor, causing it to fall off of the promoter region of a gene of interest, allowing for its transcription and translation into protein.
Finally, glyphosate is sometimes added to the growth medium as a selective agent to kill off bacteria that do not contain the desired recombinant DNA. Overall, these substances work together to create a growth medium that allows for the selection and amplification of bacterial cells containing recombinant DNA.
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antimicrobial agents designed and developed in the research laboratory are called ____________.
Answers
Antimicrobial agents designed and developed in the research laboratory are called synthetic antimicrobial agents. These agents are created with the intention of inhibiting the growth or killing microorganisms, such as bacteria and viruses. They are synthesized through a series of chemical reactions in the laboratory, and their properties and effectiveness are extensively tested before they are deemed safe for use in medical treatments.
Synthetic antimicrobial agents have played a crucial role in modern medicine by helping to combat infectious problem, such as pneumonia and tuberculosis. However, the overuse of these agents has led to the development of antibiotic-resistant strains of bacteria, making the development of new antimicrobial agents an ongoing challenge for researchers.
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Hello! could someone please do a 4 sentence quark poem
Answers
Answer:
Quark is a character in the television series Star Trek: Deep Space Nine.
Quark developed a few strong friendships during his stay on Deep Space Nine.
The Ferengi have business deals throughout the galaxy; Quark is no different.
For vegetarians, soft cheeses like cream cheese and quark do not contain any rennet at all.
Explanation:
Which of these can be decomposed by a chemical change?
Answers
Answer:
B) CO
Explanation:
Chemical decompsition or breakdown is defined as the process in which a substance can be broken down into simpler compounds through chemical means.
CO or carbon monoxide can be decomposed by chemical change because it can be broken down into into carbon and oxygen.
While Co (cobalt), Cr (chromium), and Cu (coppoer) are present in its simplest form and can not be decomposed further.
Hence, the correct answer is "B) CO".
An oil rig in the Gulf of Mexico reported having damage to the steel foundation. Because the steel in structures in other oceans did not have the same damage, it was theorized that organisms in the Gulf were causing this issue. Which of the following passages correctly identifies the role engineers and scientists would play solving this real life issue? A. Both Biologists and Engineers were called in to isolate and identify living organisms in the gulf. Biologists designed a filter system Engineers used to trap microscopic organisms that could be damaging the structure. Engineers alone worked to find a solution to the oil rig’s problem. B. None of the above. Biologists and Engineers do not work together. Scientists research and experiment only while engineers only construct materials. C. Engineers were called in to isolate and identify living organisms in the gulf. Both biologists and engineers designed a filter system to trap microscopic organisms that could be damaging the structure. Biologists alone worked to find a solution to the oil rig’s problem. D. Biologists were called in to isolate and identify living organisms in the gulf. Engineers designed a filter system Biologists used the filter to trap microscopic organisms that could be damaging the structure. Both Biologists and Engineers worked to find a solution to the oil rig’s problem.
Answers
Answer:
I can't understand?
Explanation:
Please tell clearly. Please tell in short.
Which type of immune system cell engulfs pathogens and other foreign particles?
a) Red blood cells
b) T cell
c) Macrophage
d) Virus
Answers
A macrophage is a large phagocytic cell that engulfs foreign particles and pathogens. So Macrophage.
Hope this help! :)
I heard that mitochondria increase if we exercising. So, if i was exercising and suddenly stop exercising. Will the number of mitochondria same, and more food neededbfor energy and more energy not use and more fats produce?
Will i produce more fats when i stop exercising than when i never do exercise?
Please answer with the explanation
Answers
Answer:
I believe the amount of mitochondria in our body only increases after long term exercising.
When you are exercising, you do not produce more mitochondria straight away. Even after you stop, the amount of mitochondria will be the same.
I believe the production of mitochondria and the improvement of your muscles is the same. You need to exercise for awhile before you can get more mitochondria in your body.
As for your amount of food needed, it is not according to the amount of mitochondria you have. It is according to how much energy you need.
You should be able to tell how much food you need. So, you actually wont produce more fats. As long as you eat the correct and moderate amount of food.
You will not produce more fat when you stop exercising than when you never exercise. Like I said, the amount of fat produced is according to your food intake. Your food intake is according to your energy needs. As long as you eat moderately, you will not produce more fat. In fact, you will be able to burn fats better after long term exercise because your body will be healthier and able to moderate itself.
The complex of snRNPs and other proteins responsible for splicing is known as the {{c1::spliceosome}}
Answers
The spliceosome is a complex of snRNPs and other proteins responsible for the splicing of pre-mRNA. It is composed of small nuclear ribonucleoproteins (snRNPs) and a variety of other proteins.
During pre-mRNA splicing, the spliceosome is formed by the assembly of snRNPs and other proteins on the pre-mRNA sequence. The snRNPs recognize the pre-mRNA sequence and the other proteins provide a scaffold to bring the snRNPs together.
The spliceosome then catalyzes the removal of the intron sequences and ligates the exon sequences together, resulting in the mature mRNA. The spliceosome is thus essential for the efficient processing of pre-mRNA in the nucleus, and its activity is tightly regulated.
Finally, the spliceosome is capable of recognizing different classes of introns, allowing it to be used in a variety of cellular processes.
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Which spheres interact in the formation of tsunamis? Check all that apply.
Answers
geosphere and hydrosphere
Answer:
The answer is Geosphere and hydrosphere. D and E <3
Explanation:
During maturation of the oocyte, what happens to the chromosomes as a result of meiosis?.
Answers
Answer:
The cell becomes haploid, with 23 single chromosomes.
Explanation:
Hope This Helps.
The process of meiosis, a form of cell division that decreases the number of chromosomes in the cell from two sets to one set, occurs as the egg matures.
The creation of gametes, which are reproductive cells with just one pair of chromosomes, depends on this process. The main oocyte, which has two sets of chromosomes, is formed at the start of meiosis. The two sets of chromosomes align into homologous pairs during meiosis I, cross across, and combine to create new genetic combinations.
Four daughter cells are created as a result of this process, and each one of them has a set of chromosomes made up of the original two sets. The four meiosis II genes are dividing to become double.
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