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The term experiment has to do with the relationship between the dependent and the independent variables in a study .
What is an experiment?When we are are carrying out an experiment, the aim is always to know the effect of one variable on another. One is the dependent variable and the other is the independent variable
Experiment A
Independent variable - Cure for knee problem
Dependent variable - Relief from the knee problem
Control group - Those who were given the placebo
Experiment B
Experimental variable -The reaction of the deer
Independent variable - The use or not of the tiger urine
Dependent variable -Whether or not the deer was repelled from the tree seedlings
Control group - Tree seedlings without with tiger urine
Controlled variables - Type of seedlings, specie of deer and tiger
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Related Questions
1. What is the difference between weathering and erosion?
2. How are mechanical weathering and chemical weathering different?
3. How are hydrolysis and oxidation similar?
4. Explain the process of exfoliation
5. As waves crash into rock along the shoreline, particles of sand, shell, and other materials in the
ocean water loosen tiny bits of sediment from the rock. As the waves recede, they carry the
sediment away. In this scenario, which process represents weathering, and which process
represents erosion?
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Answer:
(1).When the smaller rock pieces are moved by these natural forces, it is called erosion. So, if a rock is changed or broken but stays where it is, it is called weathering. If the pieces of weathered rock are moved away, it is called erosion.
(2).Mechanical weathering breaks rocks into smaller pieces without changing their composition. ... Chemical weathering breaks down rocks by forming new minerals that are stable at the Earth's surface. Water, carbon dioxide, and oxygen are important agents of chemical weathering.
(3)Hydrolysis and oxidation are similar in that both involve chemical reactions between a mineral and another material. Hydrolysis is a chemical reaction between a mineral and water. Oxidation is a chemical reaction between a mineral and oxygen. Exfoliation is the cracking of rock caused by a decrease in pressure.
(4)Exfoliation is a process in which large flat or curved sheets of rock fracture and are detached from the outcrop due to pressure release: As erosion removes the overburden from a rock that formed at high pressure deep in the Earth´s crust, it allows the rock to expand, thus resulting in cracks and fractures along sheet ...
(5) The waves crashing into rock along the shorelines , particles of sand,shell. and other materials is the processs of of Erosion . THe last one where waves recede is Weathering .
Answer:
1.Weathering is the breakdown of rock into smaller particles through mechanical or chemical means. Erosion is the process by which weathering products are carried away.
2.Mechanical weathering simply breaks rock into smaller fragments. Chemical weathering actually changes the mineral composition of rock.
3.Hydrolysis and oxidation are similar in that both involve chemical reactions between a mineral and another material. Hydrolysis is a chemical reaction between a mineral and water. Oxidation is a chemical reaction between a mineral and oxygen.
4.Exfoliation is the cracking of rock caused by a decrease in pressure. It occurs when a mass of rock is exposed by weathering and removal of the overlying rock, which decreases pressure on the rock. As a result, the rock expands, which causes the rock to crack.
5.In the scenario, weathering occurs when tiny bits of sand and shell in the waves loosen bits of sediment from the rock. Erosion occurs when the waves carry away those bits of sediment.
Explanation:
The solute potential of a plant cell is -10 bar, and its pressure potential is 3. The plant cell is placed into a solution with a water potential of -10 bar.
What is the water potential of the cell, and in which way will water move?
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The water potential of the cell would be -7 bar and thus, water will move from the cell to the surrounding solution.
Recall that:
Water potential = pressure potential + solute potential
For the plant cell, solute potential = -10, pressure potential = 3
Water potential of the cell = 3-10
= -7 bar
The water potential of the cell is -7 bar while that of the surrounding solution is -10 bar. Thus, the cell has a higher water potential than the surrounding solution.
Recall that water usually moves from the region of high to the region of low water potential. Therefore, water will move from the cell to the surrounding solution.
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cardiomyocytes are jointed end to end by thick connections called ______.
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Answer: Intercalated discs.
Explanation: Intercalated discs are unique structures found in cardiac muscle tissue that allow cardiomyocytes to synchronize their contractions and function as coordinated units. They play a vital role in the efficient and synchronized pumping action of the Heart.
Which of the following statements is TRUE?A. Transcription and translation are continuous processes in eukaryotes but not prokaryotesB. Transcription and translation are continuous processes in prokaryotes but not eukaryotesC. All of the processes occur in the same site in the cell for prokaryotes and eukaryotesD. mRNA is processed before translation in prokaryotes but not eukaryotesE. Transcription and translation are continuous processes in both eukaryotes and prokaryotes
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Transcription and translation are processes that happens in both prokaryotes and eukaryotes, but in eukaryotic cells they take place in different sites than in prokaryotic cells. Therefore, C is incorrect.
In eukaryotic cells, the mRNA is extensively processed before it is ready to be translated, not in prokaryotic cells. Therefore, D is incorrect as well.
In eukaryotic cells, transcription and translation are separate processes, transcription takes place in the nucleus and translation takes place in the cytoplasm. In prokaryotic cells, transcription and translation both takes place in the cytoplasm, being a continuous process. Therefore, A is incorrect, E is wrong too and the correct answer is B. Transcription and translation are continuous processes in prokaryotes but not eukaryotes.
wind what do the arrows indicate?
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Which of the following cities above would most likely experience the lowest average temperatures? Explain using CER, evidence from the data table and provide a rationale to defend your claim.
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Answer:
its b
Explanation:
Which of the following phrases best describes these two chromosomes based on their genetic content? Choose one: homologous pair of the same chromosome number sister chromatids of the same chromosome number completely separate chromosome number
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Based on the given options, the best phrase to describe these two chromosomes based on their genetic content is: sister chromatids of the same chromosome number.
Sister chromatids are identical copies of a single chromosome that are produced during DNA replication. They are held together at a region called the centromere. Sister chromatids are connected to each other until they separate during cell division.
During cell division, sister chromatids are pulled apart and distributed to daughter cells, ensuring that each daughter cell receives a complete set of chromosomes. Once separated, the sister chromatids become individual chromosomes.
The term "same chromosome number" indicates that the two sister chromatids belong to the same chromosome, meaning they contain the same genetic information. The chromosome number refers to the specific type of chromosome within a species.
It's important to note that homologous pairs of chromosomes also exist in diploid organisms, but they are not applicable to the given scenario. Homologous chromosomes are pairs of chromosomes that have similar genetic content but are not identical. They come from each parent and contain corresponding genes in the same order. Homologous chromosomes pair during meiosis and undergo genetic recombination.
Completely separate chromosome number would refer to distinct and unrelated chromosomes, which is not the case for sister chromatids.
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Which two changes would you expect as a result of a severe drought that wipes out several plant populations? A. Decreased resource availability among herbivores B. Increased resource availability among herbivores C. Decreased competition among herbivores D. Increased competition among herbivores
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A severe drought that wipes out several plant populations would have significant ecological consequences, particularly for herbivores that rely on these plants for food. Two changes that can be expected as a result of such a drought are option A and D.
A. Decreased resource availability among herbivores: With the loss of plant populations, there would be a decline in the overall availability of resources, such as leaves, fruits, and seeds, which herbivores depend on for sustenance. This scarcity of food would lead to a decrease in the amount of resources available for herbivores, potentially resulting in malnutrition, decreased population sizes, and increased vulnerability to predation and disease.
D. Increased competition among herbivores: As the number of plant populations decline, herbivores will have to compete for the limited remaining resources. With fewer plants to sustain them, more herbivores will be forced to rely on the remaining patches of vegetation, intensifying competition for food. This increased competition can lead to heightened aggression, territorial disputes, and a higher likelihood of injury or death among herbivores.
These changes can have cascading effects throughout the ecosystem. Decreased resource availability among herbivores may result in reduced prey availability for predators that rely on herbivores, potentially impacting their populations as well.
Increased competition among herbivores can disrupt the balance of herbivore communities and alter grazing patterns, affecting plant species composition and overall ecosystem dynamics. Therefore the correct option is A and D
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autotrophs such as plants or algae use a. carbon dioxide from the air b. bicarbonate ions from the water c. carbon dioxide and bicarbonate ions d. oxygen and water to make organic compounds such as glucose
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Autotrophs such as plants or algae use carbon dioxide from the air to make organic compounds such as glucose.
This process is called photosynthesis, which is the conversion of light energy from the sun into chemical energy stored in organic compounds. During photosynthesis, plants and algae use the energy from sunlight to convert carbon dioxide and water into glucose and oxygen. The process involves the absorption of light energy by pigments called chlorophyll, which is found in the chloroplasts of plant cells. Carbon dioxide diffuses into the leaf through small pores called stomata, and then it is used by the plant to make glucose through a series of chemical reactions. The oxygen produced during photosynthesis is released into the atmosphere as a byproduct.
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One of the largest and oldest organisms on earth is located in fish lake and nation, forest, in utah.pando is an 80,000 year old grove of aspen trees that cover 100 acres. Although it looks like a forest, DNA analysis of several of the trees has confirmed it is really just one huge organism. Therefore the trees must have been reproduced
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Pando aspen grove in Utah is an immense, genetically identical organism consisting of interconnected aspen trees spanning 100 acres and estimated to be around 80,000 years old.
One of the largest and oldest organisms on Earth, known as Pando, is located in Fish Lake National Forest in Utah. Pando aspen grove is an 80,000-year-old grove of aspen trees that covers approximately 100 acres. While it appears to be a forest, DNA analysis of several of the trees has revealed that they are genetically identical, confirming that Pando is actually one immense organism. The trees of Pando have been reproduced through a process called vegetative reproduction, where new shoots and stems emerge from the existing root system. This unique reproductive strategy has allowed Pando to persist and expand over thousands of years, making it a remarkable example of the interconnectedness and longevity of living organisms.For more questions on Pando aspen grove:
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Which of the following is not a piece of evidence to support that climate is changing?
1. Satellite images showing smaller land cover of ice caps and glaciers
2. Buoys and floats measuring a decrease in sea surface temperature of ocean
3.Tidal gauges and satellites measuring the sea level has increased
4. Satellites and weather balloons showing temperature of lower atmosphere increasing.
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Answer:
2
Explanation:
1,3, and 4 all show the climate is changing and the globe is warming.
1. Describe the layers of Earth: crust, mantle, outer core, and inner core.
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Answer:
CRUST: In geology, the crust is the outermost solid layer of a rocky planet, dwarf planet, or natural satellite.
MANTLE: A mantle is a layer within a planetary body bounded below by a core and above by a crust.
OUTER CORE: The outer core of the Earth is a plasma layer mostly composed of iron and nickel, located between the mantle and the inner core.
INNER CORE: The inner core of the Earth is the innermost geological layer on the planet. It is primarily a solid sphere with a radius of about 1,220 kilometers (758.1 mi), which is about 20% of the radius of the Earth or 70% of the radius of the Moon.
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Answer:
crust: the surface we stand and walk on and is also thin
Explanation:
mantle: plastic like molten maga
outer core: molten magma which is broken rock and metal hot enough to melt any man made object
inner core: the hottest layer and also a solid ball of compressed iron and is responsible for the earth's magnetic field
Show the energy of one molecule of glucose.
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Answer:
Cellular Respiration
Explanation:
In aerobic conditions, the process converts one molecule of glucose into two molecules of pyruvate (pyruvic acid), generating energy in the form of two net molecules of ATP. Glycogen can be converted into glucose 6-phosphate as well with the help of glycogen phosphorylase
According to catastrophists what was the rate of geological change?
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2. Why are gopher tortoise burrows so valuable to maintaining a diverse ecosystem?- They provide a place of refuge from hurricanes and flooding for hundreds of species.- They provide a place of refuge from fires for hundreds of species.- They provide ideal areas for pinecones to land in and germinate during a fire.- They provide ideal areas for pinecones and seeds to land in and develop new trees and plant
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Gopher tortoise burrows are valuable to the ecosystem because they provide a place of refuge from fires for hundreds of species.
Gopher tortoise are the keystone species found in areas of north America. These are called keystone because their burrows provide shelter to around 300 other animals species. Hence it is necessary for the species to be preserved from extinction.
Ecosystem is defined as the geographical area where the non-living and living things live together depending upon each other. There are various types of ecosystem, for example, the terrestrial ecosystem or the aquatic ecosystem. There are various other subtypes under these two ecosystems.
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Kirk is heterozygous for cheek dimples but is born with big dimples in both cheeks. Apparently, the allele for cheek dimples is
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Answer:
The allele for cheek dimples is dominant
:)
Explanation:
cellular respiration releases less energy and more of what
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Cellular respiration requires oxygen and releases carbon dioxide.
help asap will give BRAINLIEST
8. Which molecule is primarily used to store information?
O Carbohydrates
O Nucleic Acid
O Protein
O Lipids
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(50 points)
In a short narrative, write about the journey of a ribosome through transcription to translation to a protein. Explain the main process of Protein Synthesis from the perspective of a ribosome
. Write from a narrative perspective as the ribosome
include these vocabulary words:
Protein Synthesis, Amino Acid, Codon, Anticodon, Nucleotide, RNA: mRNA/ rRNA/tRNA DNA, RNA Polymerase, Transcription, Translation, Polypeptide, Genetic Code, Protein
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Answer:
thank you for point can we friend
a kidney stone is also called a/an
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A kidney stone, also called a renal calculus, is a hard, crystalline mineral material that forms within the kidney or urinary tract.
Kidney stones develop when there is a high concentration of certain substances, such as calcium, oxalate, or uric acid, in the urine. These substances can crystallize and accumulate, eventually forming a kidney stone.
Common symptoms of kidney stones include severe pain in the back or lower abdomen, blood in the urine, and frequent urination.
Treatment options for kidney stones include increasing fluid intake, using medications to help pass the stone, or in more severe cases, undergoing medical procedures like lithotripsy or surgical removal.
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A kidney stone, also called a renal calculus, is a hard, crystalline mineral material that forms within the kidney or urinary tract.
Kidney stones develop when there is a high concentration of certain substances, such as calcium, oxalate, or uric acid, in the urine. These substances can crystallize and accumulate, eventually forming a kidney stone.
Common symptoms of kidney stones include severe pain in the back or lower abdomen, blood in the urine, and frequent urination.
Treatment options for kidney stones include increasing fluid intake, using medications to help pass the stone, or in more severe cases, undergoing medical procedures like lithotripsy or surgical removal.
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A patient is brought into the emergency room. She is unconscious and is dehydrated. Will she be given an intravenous solution IV that is hypertonic, hypotonic or isotonic to her red blood cells? Explain your answer. Remember that pure distilled water would be hypotonic to blood cells.
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Answer:
The correct answer would be - isotonic drips.
Explanation:
As it is known that water is hypotonic to the RBCs of blood and RBCs have no other membrane, like cell wall so due to osmosis the water will get in the cell and will expand it until it gets burst. So, hypotonic drip should not be given to the dehydrated patient.
Hypertonic drip will leads, to the cell water to gets into the bloodstream due to osmosis. It will be the same as consuming seawater which will increase dehydration in this patient.
Thus, the correct answer would be - isotonic.
I need to know everything about reproduction and variation for a test. YEAR 9
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The strikingly different morphology of insects, chelicerates, myriapods, and crustaceans is probably due to _________.
A. different numbers of Hox genes per cluster
B. different numbers of clusters of Hox genes
C. changes in timing and location of Hox gene expression
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The strikingly different morphology of insects, chelicerates, myriapods, and crustaceans is probably due to changes in timing and location of Hox gene expression.
Hox genes refer to a group of genes that are essential in determining the body plan of an embryo. They were initially identified in fruit flies and are named after the homeobox sequence of DNA that they all share.Hox genes are present in all bilaterally symmetrical animals and play a critical role in the development of the embryo by specifying which cells should become which body segments.
The location and timing of Hox gene expression changes in various organisms, resulting in significant differences in their body plans. Therefore, the strikingly different morphology of insects, chelicerates, myriapods, and crustaceans is most likely due to changes in the timing and location of Hox gene expression.
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The frequency of a wave that has a wavelength of 8 meters is 0. 5 Hz, what is its speed?
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The relationship among speed, frequency, and wavelength is
In order for waves to exist, the equation speed(V) = frequency(f) x wavelength() must be obeyed. This equation indicates that the wave's velocity (V) is 4 m/s.
Frequency is defined as the quantity of oscillations of a wave per unit of time, expressed in hertz (Hz). A wavelength is the separation between the two sites that are in phase with one another. As a result, two close wave peaks or troughs are separated by a single full wavelength. Usually, the letter lambda (∧) is used to indicate a wave's wavelength. The wave speed is the distance a wave travels in one unit of time (v). V = f is the formula for wave speed.
given wavelength ∧ =8 m
frequency f = 0.5 Hz
speed V= f∧ = 0.5 x 8 = 4 m/s
the speed of this wave is 4m/s.
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The rock cycle is affected by the biosphere in addition to geological processes. Hypothesize about the role in the rock cycle of the formation of calcium carbonate shells in ocean animals, and plant growth on land.
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The rock cycle plays an important role in the process of calcium carbonate formation is that it is built by plankton and corals. Therefore, it is true that the rock cycle is influenced by the biosphere processes as well as the geological processes.
What is the significance of the rock cycle?A rock cycle can be described as the process that leads to the formation of minerals and chemical elements because of the occurrence of natural processes near the oceans and water bodies.
Substances like calcium carbonate (CaCO₃) are one of the influential formations in the rock cycle. The formation of calcium carbonate is highly contributed by the plants and animals to form the plankton as well as the corals on reefs.
Therefore, the significance of the rock cycle has been aforementioned.
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Is this animal a carnivore or an herbivore? How do its teeth help it obtain food?
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Answer: carnivore
Explanation: they have long teeth and can bite through anything
Imagine that the allele for white flowers is dominant over the allele for pink
flowers. You plan to repeat Mendel's experiments. You cross white flowering
plants that are not pure-breeding with each other to produce 400 offspring.
Which of the following will be the most likely result?
O A. All 400 offspring will have white flowers.
B. All 400 offspring will have pink flowers.
C. 96 offspring will have pink flowers, and 304 will have white
flowers.
D. 195 offspring will have pink flowers, and 205 will have white
flowers.
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If the allele for white flowers is dominant over the allele for pink flowers, and the white-flowering plants are not pure-breeding, then they must be heterozygous (having one allele for white flowers and one allele for pink flowers).
When two heterozygous plants are crossed, their offspring will have the following genotype probabilities:
25% will be homozygous dominant (WW) and have white flowers
50% will be heterozygous (Ww) and have white flowers (since the allele for white flowers is dominant)
25% will be homozygous recessive (ww) and have pink flowers
Therefore, out of 400 offspring, we can expect:
25% to have pink flowers: 0.25 x 400 = 100
75% to have white flowers: 0.75 x 400 = 300
So the most likely result is that 100 offspring will have pink flowers, and 300 will have white flowers. Therefore, the closest answer choice is C, with 96 offspring having pink flowers and 304 having white flowers.
in the steps involved in performing a bone marrow differential what objective is used and how many cells must be counted?
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The standard minimum acceptable count for bone marrow differential is 200 cells. For your differential, you might need to go on to the next slide after gathering enough cells for one slide.
Depending on your scope's optics, you should perform cell counts at 40 to 50x magnification with oil before increasing the magnification to 100x with oil as necessary for fine detail of Bone marrow. Oil should be added to the smear, then you should move methodically through the area you've chosen until the morphology, cellularity, or stain quality is no longer acceptable. Then, switch back to 10x power and look for another suitable area nearby the fragment to continue your count. In reality, the count should be divided over additional samples if the distribution of cells varies from one smear, fragment, or spicule to the next than one smear/fragment to avoid a biased final count.
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Friday, september 2 "a meeting on air force one" hurricane category
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The provided phrase, "Friday, September 2, a meeting on Air Force One and hurricane category," lacks clarity and context. It requires additional information or clarification to provide a meaningful answer.
Air Force One is the official call sign used to identify any United States Air Force aircraft carrying the President of the United States. It serves as a symbol of the President's presence and authority while in flight. However, the connection between Air Force One and hurricane categories is not directly related. Hurricane categories refer to the classification system used to categorize the strength and potential damage of hurricanes. It ranges from Category 1 (weakest) to Category 5 (strongest). Air Force One may play a role in disaster response, including monitoring and providing aid during severe weather events like hurricanes, but its involvement is not specific to hurricane categories.
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Most marine invertebrates are osmoconformers. This means that:.