how does the author compare gold and silver
Answers
Answer:
One question! Which author are you talking about?
Explanation:
Related Questions
Many people believe that all micro-organisms are harmful. Give two examples of how unicellular organisms, such as bacteria and fungi, are useful to humans and the environment.
Answers
2) Not all bacteria is bad, most of the bacteria in our bodies is what protects us from harmful things. In fact, humans carry more bacterial cells
the first step in the process of gene expression is transcription. what is the product of transcription during gene expression?
Answers
The product of transcription during gene expression is a single-stranded RNA molecule that is complementary to one strand of the DNA double helix.
A single-stranded RNA molecule that is complementary to one strand of the DNA double helix results from transcription during gene expression. This RNA molecule is called messenger RNA (mRNA), and it carries the genetic information from the DNA to the ribosome, where it serves as a template for the synthesis of a protein. During transcription, an enzyme called RNA polymerase binds to a specific region of the DNA called the promoter and begins to read the template strand of the DNA molecule. As it moves along the DNA, it adds nucleotides to the growing RNA molecule in a sequence that is complementary to the DNA template strand. When RNA polymerase reaches the end of the gene, it releases the completed mRNA molecule, which then undergoes further processing before it is ready to be translated into a protein.
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What structural adaptation in chickens allows them to lay their eggs in arid environments rather than in water
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carnivorous plants have evolved mechanisms that trap and digest small animals. the products of this digestion are used to supplement the plant's supply of . carnivorous plants have evolved mechanisms that trap and digest small animals. the products of this digestion are used to supplement the plant's supply of . nitrogen and other minerals carbohydrates energy lipids and steroids
Answers
carnivorous plants have evolved mechanisms that entice and digest small animals. the products of this digestion are used to complement the plant's supply of nitrogen and minerals
Carnivorus plants grows in nitrogen deficiet soil. So, in oreder to get nitrogen, they could trap the small animals. example Venus fly trap, Pitcher plant and bladdder wortcolor, scent, and nectar draws bugs to insectivorous flowersThe venus fly lure carries 6 cause hairs on inner floor of leaves, three on each half of of leaf.Carnivorous plants are flora that derive some or most in their nutrients from trapping and ingesting animals or protozoans, typically insects and different arthropods. Carnivorous plant life nevertheless generate some of their electricity from photosynthesisTo know more about Carnivorus plants visit : https://brainly.com/question/11020241
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The production plan for seasonal products is developed from a charted
______ that tracks the best plants to sell at different times of the year.
Answers
The production plan for seasonal products is developed from a charted "product demand cycle" that tracks the best plants to sell at different times of the year.
This cycle takes into account the natural growth cycles of different plants, as well as consumer demand for those plants during certain seasons. By following the seasonal cycle, growers can ensure that they are producing the right plants at the right time, maximizing their profits and reducing waste. This approach also helps ensure a steady supply of fresh, high-quality products throughout the year, which is important for maintaining customer satisfaction and building a loyal customer base.
A product demand cycle is a chart that shows the expected demand for a product over the course of the year. The cycle helps businesses to plan their production schedule to ensure that they have enough supply to meet demand during peak seasons. For example, businesses can use the demand cycle to determine when to plant certain types of flowers or plants so that they will be ready for sale during peak seasons.
Overall, the product demand cycle is a crucial tool for businesses to plan their production schedule, manage their inventory levels, and maximize their sales during peak seasons.
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Rutherford used aluminum metal in his atomic model experiment.
True
False
Answers
Rutherford did not use aluminum metal in his atomic model experiment.
What is atomic model?Atomic model is an explanation of the structure of an atom. It consists of a nucleus, which is made of protons and neutrons, and electrons orbiting the nucleus. The electrons are held in place by electrostatic forces between the nucleus and the electrons. The current accepted atomic model is the quantum mechanical model, which includes the wave-particle duality of matter. The quantum mechanical model provides an accurate description of the behavior of electrons and other subatomic particles.
Instead, he used gold foil in his famous gold foil experiment. This experiment was conducted to study the structure of atoms. He fired alpha particles at the gold foil and observed the scattering of the particles. This experiment allowed him to discover the nucleus of the atom, which was the central part of his atomic model. He also discovered that the atom was mostly empty space. His model was a major breakthrough in the field of atomic physics. It helped scientists to better understand the structure and behavior of atoms.
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Specific DNA sequences that have the ability to move within and out of chromosomes are called
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The specific DNA sequences that have the ability to move within and out of chromosomes are called transposable elements or transposons.
They are also sometimes referred to as "jumping genes" because of their ability to move around the genome. Transposable elements can have a variety of effects on the genome, including disrupting gene function or causing changes in gene expression. They are found in virtually all organisms and are believed to play an important role in evolution by providing a source of genetic variability. The specific DNA sequences that have the ability to move within and out of chromosomes are called transposable elements or transposons. The specific DNA sequences that have the ability to move within and out of chromosomes are called transposable elements or transposons.
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If several highly educated scientists all study the same scientific data, which of the following is most likely to explain why they may all have different conclusions?
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If several highly educated scientists all study the same scientific data, then they may have different conclusions because of the following factors:
Interpretation of data: Each scientist may have a different interpretation of the data, leading to different conclusions. This is because interpreting data involves the use of subjective judgment and prior experiences with similar data.
Personal biases: Personal biases may also affect the conclusions drawn from the scientific data. Personal biases refer to a scientist's preconceived ideas or prejudices that can influence their interpretation of the data. This can affect their ability to draw an objective conclusion.
Overemphasis of certain aspects: The overemphasis of certain aspects of the data or leaving out of certain details can result in different conclusions among scientists. Scientists may focus on different aspects of the data, leading to different conclusions.
Experimental setup and procedure: The experimental setup and procedure can also have an impact on the conclusions drawn from the data. If there are variations in the experimental setup or procedure, it can lead to different conclusions among scientists.
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Can Sherpas survive without oxygen?
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Sherpas still need extra oxygen even if they adapt to thin air more faster than regular climbers do.
The study discovered that the mitochondria, the cells' energy-producing components, turned more oxygen into energy in the muscles of the Sherpas. According to Murray, "the mitochondria of the Sherpas were less leaky and consequently more efficient than the mitochondria of the Westerners." "They used oxygen more effectively.
At altitude, Sherpas generate 30% more electricity than people from lowlands. Compared to lowland climbers, they have more capillaries per square centimeter of muscle. They have larger chests, larger lungs, and higher measurements of every aspect of lung physiology, including peak flow.
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Which protein attaches HIV-1 to the surface of a sensitive cell?
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The protein that attaches HIV-1 to the surface of a sensitive cell is gp120.
What is HIV-1? Human immunodeficiency virus (HIV) is a retrovirus that causes acquired immunodeficiency syndrome (AIDS). HIV-1 is a strain of HIV that is responsible for most infections in humans.
When HIV infects immune system cells, it progressively destroys or incapacitates them, resulting in a weakened immune system that cannot fight off other infections and diseases. HIV is transmitted via bodily fluids, typically through unprotected sexual activity, but also via sharing needles or coming into touch with contaminated blood.
To enter the host cell, the virus must first attach itself to the host cell. HIV does this with the assistance of its surface protein, gp120. HIV attaches to the CD4 receptor on human immune cells (primarily T helper cells) using the gp120 protein. After binding to CD4, HIV attaches to a chemokine coreceptor (usually CCR5 or CXCR4).
These receptors allow HIV to enter the cell after binding.
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Aeromedical Factors4 Types of Hypoxia, their causes, and corrective action
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Aeromedical factors are crucial considerations for aviation safety. There are four types of hypoxia, each with different causes and corrective actions.
The first type of hypoxia is hypoxic hypoxia. This occurs when there is a lack of oxygen in the air at high altitudes, leading to decreased oxygen saturation in the blood. The corrective action for hypoxic hypoxia is to descend to a lower altitude where there is sufficient oxygen in the air.
The second type of hypoxia is hypemic hypoxia. This occurs when the blood is unable to carry sufficient oxygen due to conditions such as anemia or carbon monoxide poisoning. The corrective action for hypemic hypoxia is to administer oxygen or treat the underlying condition.
The third type of hypoxia is stagnant hypoxia. This occurs when the blood is not flowing properly, such as in cases of shock or heart failure, leading to decreased oxygen delivery to the tissues. The corrective action for stagnant hypoxia is to address the underlying cause, such as administering fluids or medications to improve blood flow.
The fourth type of hypoxia is histotoxic hypoxia. This occurs when the tissues are unable to use the oxygen delivered by the blood, such as in cases of alcohol or drug poisoning. The corrective action for histotoxic hypoxia is to treat the underlying cause and administer oxygen if necessary.
In summary, the four types of hypoxia are hypoxic, hypemic, stagnant, and histotoxic. The corrective actions depend on the underlying cause of the hypoxia and may involve administering oxygen, treating underlying conditions, or addressing issues with blood flow.
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what is the adaptive significance of having sperm and eggs produced at different times?
Answers
The adaptive significance of having sperm and eggs produced at different times is to promote outcrossing and increase genetic diversity within a population.
By producing sperm and eggs at different times, individuals are more likely to encounter potential mates that are genetically different from themselves. This promotes outcrossing, which is the mating between individuals that are not closely related. Outcrossing increases genetic diversity within a population and provides several benefits.
First, genetic diversity enhances the adaptability of a population to changing environmental conditions. It increases the chances of individuals possessing advantageous traits that allow them to survive and reproduce in different environments or under varying selective pressures.
Second, genetic diversity reduces the risk of inbreeding and the expression of deleterious recessive traits. When closely related individuals mate, there is a higher chance of harmful genetic mutations and abnormalities being expressed in their offspring. By producing sperm and eggs at different times, individuals are more likely to mate with individuals who are less closely related, reducing the risk of inbreeding and increasing the overall fitness of the population.
In summary, the production of sperm and eggs at different times promotes outcrossing, which increases genetic diversity, enhances adaptability, and reduces the risk of inbreeding within a population. These factors contribute to the long-term survival and evolutionary success of a species.
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All organisms must have water for survival. If a drought causes the water in an ecosystem to become scares the organisms in this
ecosystem will not have as much water accessible to them
A decrease in the water available to an organism for cellular processes will most likely result in
CA
a decrease in optimal temperature ranges
e.
an increase in activity level
C, a decrease in metabolic activity
an increase in metabolic activity
Answers
Answer:
C, a decrease in metabolic activity
Explanation:
Water is an essential compound needed for the survival of all organisms in nature.
The bulk of most organisms is made up of water. Most importantly, water is integral part of cellular metabolic processes.
In the time of drought, metabolic activities will reduce. Organisms will tend to be inactive so as to conserve the little water they might have access to. This is an important adaption for organisms.A PCR (Polymerase Chain Reaction) reaction begins with 8 double stranded segment of DNA.
1) Estimate the number of double-stranded copies of DNA that are present after the completion of 15 amplification cycles?
Answers
After 15 amplification cycles, there would be 262,144 double-stranded copies of DNA.
PCR (Polymerase Chain Reaction) is an exponential amplification technique that uses a thermostable DNA polymerase to copy a specific segment of DNA multiple times. Each amplification cycle doubles the amount of DNA. Therefore, after 15 cycles, the original one double-stranded segments of DNA would have been amplified 15 times, resulting in 2¹⁵ copies or 32,768 copies of the DNA segment.
As there is 8 double stranded segment of DNA in the beginning of the reaction there will be 8×32,768 copies of the DNA segment after 15 amplification cycles, that is 262,144.
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How many atoms of H are in the following chemical formula? 3(NH4)2Cro4 O A 18 O B. 4 O C. 24 O D. 12
Answers
Answer: I think it’s D, 12.
How would the seasonal paths of the Sun change for a location that is more North of this latitude?
Answers
Answer:
At the North Pole, the sun is above the horizon for six straight months (March through September), spinning around in horizontal circles, reaching a maximum height of 23.5° above the horizon at the June solstice. As you travel southward in the northern hemisphere, the noon sun gets higher and higher.
Explanation:
Add the north pole the sun is above the horizontal for six straight months
Why do you think pressurized seeds and spores are a beneficial adaptation for these plants and fun
Answers
The pressurized seeds and spores have the ability to spread, helping the organism reproduce. In plants, it allows them to reduce competition by flinging the seeds far away so that their offspring don’t compete for resources.
What is a spore seed?
Spore can be defined as singular organism and can survive for a long period of time no matter the circumstance. In flowering plants you can find seeds in the fruits or in the flowers. Spores are usually found under the leaves of the fern, fungi.
Therefore, pressurized seeds and spores have the ability to spread, helping the organism reproduce. In plants, it allows them to reduce competition by flinging the seeds far away so that their offspring don’t compete for resources. For the fungus, it allows the parent to fling the spores into the grass so that when the horse eats them the life cycle of the fungus continue.
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DNA sequences that are very similar to protein-encoding genes but are not translated are called ______, which may be remnants of old genes that once functioned in ancestors.
Answers
Answer: pseudogens
Explanation:
Mendel's principle of dominance suggests a ____ gene. gene will always be masked by the presence of a _____.
answer choices are
recessive,dominate, haploid,diploid
Answers
Answer:
Recessive
Dominant
Explanation:
Choose the types of alternative splicing patterns with the correct description of how they lead to the production of different protein isoforms. Select the three correct statements.
a)Alternative splice sites within an exon−different versions of an exon exist that allow for the presence of different domains in the protein.
b)Mutually exclusive exons−certain sequences are either included or excluded, which allows generation of proteins with different sequences.
c)Cassette exons−whole exons are excluded from the mature message, resulting in a protein that is missing certain sequences (perhaps an entire protein domain).
d)Alternative promoters−produce messages with different 5′ exons and proteins with different N-terminal ends.
e)Intron retention−introns are included in the mature mRNAs, which can be used only to produce novel isoforms of the protein.
f)Alternative polyadenylation−produces messages with different 3′ coding sequences as well as different 3′ untranslated regions, which can be important in regulatory events.
Answers
Alternative splicing patterns refer to the various ways in which exons and introns are combined to create different protein isoforms from a single gene. There are several types of alternative splicing patterns, but only three are correct in relation to how they lead to the production of different protein isoforms. These include:
a) Alternative splice sites within an exon: This type of alternative splicing pattern involves different versions of an exon that exist, allowing for the presence of different domains in the protein.
b) Mutually exclusive exons: In this pattern, certain sequences are either included or excluded, which allows the generation of proteins with different sequences.
c) Cassette exons: This pattern involves whole exons that are excluded from the mature message, resulting in a protein that is missing certain sequences (perhaps an entire protein domain).
By utilizing these alternative splicing patterns, genes can produce a wide range of protein isoforms with varying functions.
Your answer: The three correct statements about alternative splicing patterns that lead to the production of different protein isoforms are:
b) Mutually exclusive exons - Certain sequences are either included or excluded, which allows the generation of proteins with different sequences.
c) Cassette exons - Whole exons are excluded from the mature message, resulting in a protein that is missing certain sequences (perhaps an entire protein domain).
d) Alternative promoters - Produce messages with different 5′ exons and proteins with different N-terminal ends.
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Which of the following is true of the structures labeled C in the cell membrane?
Choose 1 answer:
(Choice A) They are proteins.
(Choice B) They are carbohydrates.
(Choice C) They are nonpolar.
(Choice D) They are hydrophilic.
Answers
Answer:it’s a
Explanation: they are hydrophilic
The option which is true about the structures labeled C in the cell membrane is they are hydrophilic in nature. Thus, the correct option is D.
What is a Cell membrane?A cell membrane may be defined as a biological membrane that separates the interior of the cells with respect to its outer environment.
In the labeled structure, A is an integral protein, B is a lipid-anchored protein, C is hydrophilic polar lipid molecules, while D is hydrophobic non-polar lipid molecules.
Therefore, it is well described above.
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A commercial on television advertises a new medicine that claims to boost immunity. You want to verify that the claim is scientifically based. Which source is least likely to provide you with accurate information about this new medicine?
A) a magazine about entertainment and lifestyle trends
B) the studies that the television ad cites
C) a brochure from the doctor’s office
D) the website of the governmental agency that tests health products
Answers
Answer:
A.
Explanation:
because magazine articles are usually biased and since it's about lifestyle & entertainment, it is not relevant for accurate information.
how does the change in temperature affect pepsin?
Answers
Answer
When testing the effect of temperature on pepsin enzyme activity, the results showed that pepsin worked best at the temperature 30 °C. When the temperature decreased to 22 °C, the enzyme activity decreased sharply. Turbot and redfish retained almost half of the activity at low temperatures (5 °C).
In sheep, white wool (W) is dominant over black wool (w). What genotype and phenotype ratios
are expected from a cross between a heterozygous sheep with white wool and a sheep with black
wool?
I need the genotype and phenotype ratios please
Answers
The genotypic and phenotypic ratio of the offspring will be 1:1, where half of the offspring will have white wool whereas half of the offspring will have black wool.
What is a genetic cross?A genetic cross is the purposeful mating of two individuals which results in the combination of the genetic material in the offspring produced. Crosses can be performed in many different model systems including the plants, yeast, flies and mice and this can be used to dissect the genetic processes or create organisms with novel traits.
A cross performed between a heterozygous sheep with white wool (Ww) and a sheep with black (ww).
The genotypic ratio of the given cross will be 1:1 where, 50% of the offspring will be heterozygous white wool type and 50% of the offspring will be black wool type.
The phenotypic ratio of the given cross will be same as genotypic ratio. Half of the offspring will be white wool type and half of the offspring will be black wool type.
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Many human diseases are genetically transmitted. Genes occur in pairs and each member of the pair can be of type A or a. The possible pairs are AA, Aa and aa, called genotypes. (Aa and aA are equivalent.) A child inherits one gene from its father and one from its mother. Assume that the gene transmitted to a child from each parent is chosen at random and with probability 0.5. In the example below, the father has the genotype Aa, and transmits A to the child. The mother has genotype aa and transmits a to the child. The child resulting genotype is Aa.
Father Mother
AA aa
child
Aa
a) Suppose the parents have genotypes Aa and aa as above. Explain why their offspring genotypes has the following distribution.
genotype probability
Aa 0.5
aa 0.5
b) The genetic disease is transmitted according to the autosomal recessive pattern: • The genotype aa is diseased and the child will die before it reproduces. • The genotype Aa is a carrier but is not diseased. • The genotype AA is not a carrier and is not diseased. i) [3 marks] If two carriers have a child, explain why their offspring genotypes has the following distribution.
genotype probability
AA 0.25
aa 0.25
Aa 0.5
b) ii) [3 marks] If the child of two carriers is not diseased, show that the probability that the child is a carrier is 2/3 .
Answers
By taking into account the potential gene combinations from the parents, this distribution is created. Each A and A gene has a 0.5 chance of being passed down from the father. One gene can only be passed from the mother.
The kid either inherits an A gene from the father and an a gene from the mother (resulting in the genotype Aa) or the child obtains an a gene from both parents (resulting in the genotype aa). These two possibilities are therefore equally likely.
a) Genotype Probability
Aa 0.5
aa 0.5
This is because there are two possible combinations when one gene is chosen randomly from each parent: Aa and aa. Each combination has an equal probability of 0.5.
b) 1) Genotype Probability
AA 0.25
aa 0.25
Aa 0.5
This distribution arises from the possible combinations when one gene is chosen randomly from each parent: AA, aa, and Aa. Each combination has an equal probability of 0.25.
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Describe how a plant takes in carbon dioxide from the air and mineral ions from the soil.
Answers
Answer:
plant takes carbon dioxide in the atmosphere with the help of leave and take mineral ions from soil with the help of roots
Is
Matter gained, lost, or conserved when glucose molecules are used to make amino acids
Answers
yes it is because he had said there were thousands
The matter is always conserved in each and every reaction, as per the law of conservation of matter.
What is Law of conservation of matter?Matter can change form due to physical and chemical changes, but all of these changes conserve matter.
There is the same amount of matter before and after the change; nothing is created or destroyed. This is known as the Law of Conservation of Mass.
The law of conservation of matter is related to photosynthesis because matter such as carbon dioxide and water enter the plant and, with the help of energy, the plant creates a new form of matter sugar, or glucose and releases the oxygen formed from the carbon dioxide into the atmosphere.
Thus, it can be concluded that during the formation of amino acids, the matter remains conserved in the reaction.
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घाममा सुकाउन राखीएको लुगा लौरोले पटटा धुलो झरछ किन?
class 9 science
Answers
000011011010100111101010100011000111111000101010100101010101010101010
what makes a motor protein move along a cytoskeletal track?
Answers
Answer:
good morning
don't know answer
15
Approximately how many degrees does Earth rotate on its axis over this five-hour period?
15°
45
75"
90°
A
Eliminator
8
Line Reader
Reference
CA
Period
Answers
Over a five-hour period, Earth rotates approximately 75 degrees on its axis. This calculation is based on the proportion that relates the time taken for Earth's complete rotation (24 hours) to the corresponding degrees of rotation (360 degrees).
The rotation of the Earth on its axis takes approximately 24 hours to complete one full rotation, which equals 360 degrees. To calculate how many degrees Earth rotates over a specific time period, we can use a simple proportion.
In this case, we have a time period of 5 hours. We can set up the proportion:
5 hours is to x degrees as 24 hours is to 360 degrees.
Using cross-multiplication, we can solve for x:
5 hours * 360 degrees = 24 hours * x degrees
1800 degrees = 24x
Dividing both sides by 24:
1800 degrees / 24 = x degrees
75 degrees = x
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