If you were to design a device to transport water such as the rollers shown above what are some societal cultural and environment factors you should consider
Answers
Answer:
I would consider its usefulness and safety to the people
Related Questions
A wide range of marine mammals and fish live in the severe conditions of the Arctic
ocean. Whales, dolphins, walruses and seals all make there home in this North Polar
region which is covered by ice most of the year. Which of the following is used for
insulation and buoyancy in these animals?
Answers
Answer:
Blubber
Explanation:
Blubber is an accumulation of fat cells that many animals use to hold in heat and air.
humans are diploid and have 46 chromosomes (or two sets). how many sets of chromosomes are found in each human gamete? humans are diploid and have 46 chromosomes (or two sets). how many sets of chromosomes are found in each human gamete? 1 2 3 4 5
Answers
Human gamete is haploid i.e. it contains 23 chromosomes or single set of chromosomes
A cell of an organism is said to be haploid if it only has one pair of chromosomes. All creatures that reproduce sexually are diploid (having two sets of chromosomes, one from each parent). Only the egg and sperm cells are haploid in humans .A haploid cell only contains one pair of chromosomes. Human cells are typically diploid (two copies of each chromosome) as opposed to haploid (one copy of each chromosome). Meiosis, a specific type of cell division where the genetic material of the parent cell is broken up twice, is how the egg and sperm cells are created in humans. As a result, these haploid cells have just one pair of chromosomes. The genetic material is united in the zygote cell that results from sperm fertilizing an egg. In other words, two distinct haploid cells with one set of chromosomes each combine to form a single diploid cell with two sets of chromosomes. In the end, the zygote cell develops into a new individual.
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describe the water cycle here on Earth and explain how it demonstrates the law of conservation of matter.
Answers
Answer:
Start with evaporation. Place a full cup of water in front of a sunny window. Use a marker to make a line at the beginning water level.
After evaporation we have condensation. When the water vapor reaches the sky it cools to form clouds.
Finally, a precipitation experiment. Again, fill a cup almost full with water.
Explanation:
Matter is conserved because atoms are conserved in physical and chemical processes. As complex as the water cycle is, water molecules are conserved and endlessly recycled in nature. Conservation of mass is a physical law that s never broken.
you're welcome!!
What type of antenna where Penzias and Wilson testing in 1962 that led to their discovery of one of the biggest piece
of evidence supporting the Big Bang Theory
Answers
In 1964, Bell Labs scientists Arno Penzias and Robert A. Wilson were conducting experiments with the Holmdel Horn Antenna, an extremely sensitive device originally used to detect radio waves that were bounced off Echo balloon satellites, and later Telstar, the first active communications satellite. These radio waves were so weak, that it became critical to eliminate all possible interference in order to detect them.
Despite taking all conceivable steps to eliminate interference, they continually detected a strange, buzzing noise that was coming from all parts of the sky at all times of day and night. They did a range of additional testing on the equipment, and even removed some pigeons that were nesting in the antenna and their associate detritus. Still, the sound persisted. They ultimately determined that the noise was coming from outside of our galaxy
Almost by chance, they later learned that researchers and astrophysicists Robert H. Dicke, Jim Peebles and David Wilkinson at nearby Princeton University were looking for a way to detect residual radiation that they believed would have resulted from the Big Bang. As it turned out, the radiation detected by Penzias and Wilson was a perfect match for what the Princeton researchers had predicted, and hence made history.
Arno Penzias (left), Robert Wilson (center) and Keith Jefferts (right) look through a model of the universe to the constellation Orion where, for the first time, they discovered carbon monoxide in outer space.
From the archives
An audio recording of the CMBR noise was captured and narrated by Robert A. Wilson. This discovery in 1964 by Penzias and Wilson, announced in a Bell Labs press release, earned the researchers a Nobel Prize in Physics and provided the basis for future astronomical discoveries.
edit-ion think i read that right so this may be not be right but fun fact sorry
according to the diathesis-stress model, which person is most likely to experience a depressed state?that carry messages from one neuron to the next are called
Answers
According to the diathesis-stress model, an individual who is predisposed to mental illness, or has a "diathesis," is more likely to experience a depressed state when they are exposed to significant stress.
The diathesis-stress model proposes that both genetic and environmental factors contribute to the development of mental illnesses, including depression. A person with a genetic predisposition, or diathesis, to mental illness is more vulnerable to the effects of stress and may be more likely to experience a depressive episode when exposed to stressful life events. However, it's important to note that not everyone with a diathesis will experience a mental illness, and not everyone who experiences stress will develop a mental illness. It's the interaction between the diathesis and stress that increases the risk for mental illness.To know more about diathesis visit:
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Match the term to its definition. (4 points)
Column A
1.
Neap tide
:
Neap tide
2.
Spring tide
:
Spring tide
3.
Tidal bulges
:
Tidal bulges
4.
Tides
:
Tides
Column B
a.
tide where there is the greatest difference between high and low water levels
b.
the rise and fall of sea levels due to gravitational forces
c.
tide where there is the least difference between high and low water levels
d.
two ocean bulges created on opposite sides of Earth due to the moon's gravitational pull and the ocean's resistance to the pull
Answers
Answer:
Neap tide - tide where there is the least difference between high and low water levelspring tide - tide where there is greatest difference between high and low water leveltidal bluges - two oceans bluges created on opposite sides of earth due to the moon gravitational pull and the ocean. resistance to the pulltide - the rise and fall of sea level due to the gravitational forcethe angle made between the diaphysis of the femur and a line perpendicular to the tibia is called?
Answers
The angle made between the diaphysis of the femur and a line perpendicular to the tibia is called the knee angle or the knee flexion angle.
This angle is an important measure of joint function and is used to assess and diagnose various knee conditions, such as osteoarthritis and patellofemoral pain syndrome.
The knee angle is typically measured using a goniometer, which is a tool used to measure joint angles.
To obtain an accurate measurement, the patient is positioned in a seated or supine position with the knee in a relaxed, extended position.
The goniometer is then placed over the knee joint with one arm aligned with the femur and the other arm aligned with the tibia.
The angle measurement is then read from the goniometer scale.
The knee angle can vary among individuals and can also be affected by various factors, such as age, gender, and activity level.
A normal knee angle typically ranges from 5 to 10 degrees of hyperextension to 135 degrees of flexion.
Deviations from this range can indicate an underlying knee pathology that requires further evaluation and treatment.
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The angle made between the diaphysis of the femur and a line perpendicular to the tibia is called the knee angle.
The knee angle, also known as the knee flexion angle or the Q angle, is a measurement that is commonly used in orthopedics to assess the alignment of the knee joint. The angle is formed by drawing a line between the center of the hip and the center of the knee, and another line between the center of the knee and the center of the ankle. The knee angle can help diagnose conditions such as patellar subluxation or dislocation, patellar tendonitis, and other knee problems.
The knee angle, also known as the Q angle, is the angle formed between the line connecting the anterior superior iliac spine (ASIS) of the hip to the center of the patella and the line connecting the tibial tubercle to the center of the patella. It is commonly measured in degrees, with a normal value ranging from 10 to 15 degrees in men and 15 to 20 degrees in women.
The Q angle can vary depending on various factors, such as the individual's age, gender, weight, and level of physical activity. An increased Q angle is often associated with knee problems such as patellar subluxation, patellar tendonitis, chondromalacia patellae, and patellofemoral pain syndrome.
In addition to the Q angle, there are other measures used to assess the alignment and function of the knee joint, including the joint line convergence angle, the lateral patellofemoral angle, and the tibial plateau angle. These measurements can help orthopedic specialists diagnose and treat knee injuries and conditions, and design appropriate rehabilitation programs.
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Explain the process of ultrafiltration in the nephrons
Answers
Ultrafiltration is a crucial process that occurs in the nephrons of the kidneys, specifically in the glomerulus. It is responsible for the initial filtration of blood to form urine.
The process of ultrafiltration starts when blood enters the glomerulus through the afferent arteriole. The glomerulus is a network of specialized capillaries with small pores called fenestrations. These fenestrations allow small molecules, such as water, ions, glucose, amino acids, and waste products, to pass through while preventing larger molecules like proteins and blood cells from crossing.
As blood flows through the glomerulus under pressure, the hydrostatic pressure forces fluid and solutes to move out of the capillaries and into the surrounding space called Bowman's capsule. This space is the beginning of the renal tubule, which continues the process of urine formation.
The movement of fluid and solutes is driven by a combination of hydrostatic pressure and osmotic pressure. The hydrostatic pressure is higher inside the glomerulus compared to Bowman's capsule due to the narrower diameter of the efferent arteriole. This pressure difference pushes fluid out of the capillaries.
On the other hand, the osmotic pressure is created by the presence of proteins and other solutes in the blood. These solutes create a higher concentration inside the capillaries, causing water to be drawn back into the bloodstream. However, in ultrafiltration, the high hydrostatic pressure overrides the osmotic pressure, resulting in net filtration.
The filtered fluid and solutes, now called the glomerular filtrate, continue through the renal tubule, where further processing and reabsorption occur to adjust the composition of the urine before it is excreted from the body.
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a student completes a pet experiment using chloroplasts from leaves lacking pigments that absorb in the 550 nm to 600 nm wavelength range. which color of light should they avoid in their experiment if they want to measure activity at different wavelengths?
Answers
The student should avoid using yellow light, which has wavelength around 550-580, which will not get absorbed at all since the pigment absorbing this wavelength is missing
Color Wavelength (nm)
Red 650 - 800
Orange 590 - 640
Yellow 550 - 580
Blue 460 - 480
Indigo 440 - 450
Violet 390 - 430
The distance over which a periodic wave's form repeats is known as the wavelength in physics. It is a property of both traveling waves and standing waves as well as other spatial wave patterns.
It is the distance between two successive corresponding locations of the same phase on the wave, such as two nearby crests, troughs, or zero crossings. The spatial frequency is the reciprocal of wavelength. The Greek letter lambda () is frequently used to represent wavelength.
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Full Question :A student completes a PET experiment using chloroplasts from leaves lacking pigments that absorb in the 550 nm to 600 nm wavelength range. Which color of light should they avoid in their experiment if they want to measure activity at different wavelengths? Absorbance 360 760 460560660 Wavelength (nm)
O Blue
O Orange
O Yellow
O Red
O Violet
HELP I NEED IT FAST PLEASE AND thanks!
Answers
2. A nucleus contains tiny rod-shaped
boll bodies. What are they called?
Answers
All except which of the following are questions to consider when pondering the effects of resilience?
Group of answer choices
a) To what extent is resilience determined by the ecological level—that is, by community, individual, and biological characteristics?
b) How does relatively stable or slightly increasing levels of leisure-time physical activity impact resilience?
c) How can resilience be developed, maintained, and enhanced to reduce health and social inequalities and achieve healthy aging across the life course?
d) Can resilience be defined and measured so it informs research, policy, and practice?
Answers
The question to exclude when considering the effects of resilience is: b) How does relatively stable or slightly increasing levels of leisure-time physical activity impact resilience? This question (B) is more focused on physical activity rather than resilience itself.
The other question, d) Can resilience be defined and measured so it informs research, policy, and practice? is more relevant to the topic of resilience. Resilience can be defined as the ability to adapt and recover from adversity or stress.
It can be measured through various psychological assessments and can indeed inform research, policy, and practice. Understanding resilience helps develop interventions and strategies to enhance individuals' ability to cope with challenges and improve overall mental health.
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why is a sports drink used to collect the cheek cells instead of water?
Answers
Sports drinks are used to collect the cheek cells instead of water because they help remove the debris and mucus in the mouth.
This helps the cells stick to the slide better, making it easier to view under a microscope.The purpose of using a sports drink like Gatorade or Powerade is to create an isotonic solution in the mouth. When the drink is swished around in the mouth, it creates a consistent balance of water and electrolytes in the mouth, creating an ideal environment for collecting cheek cells and making them adhere to the slide.By contrast, water does not contain the necessary balance of ions and minerals needed to create an isotonic environment.
Additionally, water may not be as effective at removing debris and mucus from the mouth, which can cause the cheek cells to be less visible under a microscope. Therefore, the sports drink is the better option because it ensures a more accurate result when collecting and examining cheek cells.
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Estimate the number of cells that belong to each phase of the cell cycle. Then, explain how you made your decision and describe what occurs at each phase of mitosis.
Answers
Answer:
well, it starts from one parent cell, every complete phase makes. at least 4 and then i. think those can multiply
Explanation:
Why does the skin of your mother's fingers shrink when she washes clothes for a long
time?
a. What is responsible for these changes? Explain the process in brief.
Answers
The skin of your mother's fingers shrinks when she washes clothes for a long time due to prolonged exposure to water. This exposure disrupts the natural balance of moisture in the skin, leading to the shrinkage.
1. When your mother washes clothes for a long time, her fingers come into contact with water continuously.
2. Water is a natural solvent and can dissolve substances, including the protective oils and moisture present on the skin.
3. The outermost layer of the skin, called the stratum corneum, acts as a barrier to prevent excessive water loss and protect against external factors.
4. Prolonged exposure to water can cause the stratum corneum to become saturated and swell.
5. As the stratum corneum absorbs water, it expands, which can lead to the appearance of wrinkled or shriveled skin.
6. Additionally, water exposure can wash away the natural oils that help keep the skin hydrated and supple.
7. Without these oils, the skin's natural moisture balance is disrupted, causing it to dry out and shrink.
8. Continuous wetting and drying cycles can further aggravate the skin's condition, leading to more pronounced shrinkage and roughness.
9. It's important to note that different individuals may experience varying degrees of skin shrinkage depending on their skin type, overall skin health, and environmental factors.
In summary, the prolonged exposure to water during clothes washing disrupts the skin's moisture balance, leading to the shrinkage and wrinkling of your mother's fingers.
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Cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use.
Answers
Organelle found in mitochondrion cells that transforms chemical energy from food into molecules that are easier for cells to utilise.
Describe the mitochondrion:A mitochondrion is a double-membrane-bound organelle found in the majority of eukaryotic organisms. The mitochondria use aerobic respiration to produce the majority of the adenosine diphosphate (adp), that is used as a source of chemical energy all through the entire cell.
What use does the mitochondrion perform in a cell?The conventional role of mitochondria is oxidative phosphorylation, which generates ATP utilizing the energy released through the oxidation of the food we eat. ATP serves as the primary energy source for the bulk of biological pathways, including as growth, movement, and equilibrium.
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Describe how an action potential arriving at a presynaptic membrane of a neurone can result
In the depolarisation of the membrane of a post-synaptic neurone.
Answers
2. Nat, moves sideways / attracted to areas at resting potential,A local circuit
3. causes, Na+ ion channels to open / 2nd depolarisation
4. (transmission) in one direction due to, hyperpolarisation / refractory period
5. myelin sheath / Schwann cell
sheath insulates, axon / dendron / neurone
6. depolarisation / action potential, only at nodes of Ranvier / unmyelinated part ora
7. saltatory conduction / action potential
'umps' from node to node
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
Answers
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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What is a very strong water binder and an excellent skin softener and humectant that is formed by a decomposition of oils or fats
Answers
Glycerin is a highly effective water binder, meaning it has a strong ability to attract and retain water molecules.
It is widely used in skincare and cosmetic products due to its excellent moisturizing properties. Glycerin acts as a humectant, drawing moisture from the air and delivering it to the skin, thereby improving skin hydration and softness.
It is commonly derived from the decomposition of oils or fats in a process called saponification. Glycerin is non-toxic, non-irritating, and compatible with various skincare formulations, making it a popular ingredient in moisturizers, lotions, and other beauty products.
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what role do the numerous bacterial species in the oral biofilm play in the development of gingivitis?
Answers
can someone help please
Answers
Answer:
the balloon would grow in size
temperature
Explanation:
All organisms begin life as a cell?
Answers
Answer:
Yes
Explanation:
Organisms begin as cells due to the cell theory it states all living things must come from a living cell
Cell is the simplest level at which life may exist
1) Which of the following is a piece of biochemical evidence for all for all species that supports the theory of evolution from a common ancestor?a) aerobic respirationb) storage of DNA in the nucleic) production of the same types of proteinsd) use of the same genetic code
Answers
One biochemical evidence that supports the theory of evolution that says that we all come from a common ancestor is the fact that all organisms use the same genetic code for the translation of proteins, for example, the codon AUG codes for the amino acid methionine in all organisms.
This means D would be the right answer.
At the end of this stage, how will the cell be prepared to continue through the cell cycle to produce two daughter cells?
A. four pairs of identical chromosomes will be lined up across the center of the cell
B. the two sides of the cell will have identical sets of four chromosomes
C. The eight chromosomes will be copied to give the cell 16 chromosome
D. each side of the cell will have have two different pairs of sisters chromatids
Answers
Answer:
B. The two sides of the cell will have identical sets of four chromosomes
Explanation:
After this step, the cell will be ready to divide into two daughter cells by cytokinesis. Cytokinesis divides the parent cell's cytoplasm into two daughter cells.
This stage ends with identical four-chromosome sets on both sides of the cell. This implies that each daughter cell gets the same number and type of chromosomes as the parent. The chromosomes reproduced during the previous cell cycle stage, so each daughter cell has full genetic information.
After this stage, the cell will be ready to create two daughter cells. These daughter cells will acquire the same genetic information as the parent cell since they have identical four chromosomes.
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When classifying an unknown organism, scientists are most likely to consider its
A age
as important evidence.
B color
C) structure
D number of offspring
Answers
Answer:
structure
Explanation:
idrk im guessing the scientists guests as well
You have packed cells in the bottom of a tube at a density of 1*10^10 cells/mL. What is the approximate volume of each cell?
Answers
The approximate volume of each cell is \(10^-10\) L/cell or \(10^-7\) mL/cell. The volume of each cell can be estimated by dividing the volume of the tube by the number of cells present.
If the density of the packed cells is \(1*10^10\) cells/mL, and the volume of the tube is V (in mL), then the number of cells in the tube is given by:
N = density * V =\(1 * 10^10\) * V .
The volume of each cell can then be estimated as the total volume of the tube divided by the number of cells:
Volume of each cell = V / N
= V / (\(1 * 10^10\)* V)
= 1 / (\(1 * 10^10\))
= 1 / \(10^10\)
=\(10^-10\) L/cell
or \(10^-7\) mL/cell. This is an approximation, and the actual volume of each cell may vary slightly depending on the size and shape of the cells and other factors.
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can someone please give me a question about genetics and heredity!
Answers
Answer:
Can cancerous cells be passed down by genetics and inherited to family?
Explanation:
hope it helps
Answer:
Genetics : Why don't identical twins look the same ?
How much information is in our DNA ?
Heredity : Can hereditary diseases be cured?
Explanation:
How does Leigh syndrome affect cellular respiration?
Answers
Leigh Syndrome is a rare genetic disorder that affects the central nervous system and its associated organs, including the brain, muscles, and heart.
Specifically, Leigh Syndrome impairs the ability of mitochondria to produce ATP, the energy source for most cells. This results in an energy deficit, leading to decreased energy production, which ultimately affects various cellular processes and can cause cell death.
It is caused by a malfunction in the cells responsible for energy production, such as those involved in cellular respiration.
It is caused by mutations in genes that are responsible for the production of proteins that are essential for cellular respiration. Cellular respiration is the process by which cells produce energy in the form of ATP (adenosine triphosphate) from the breakdown of glucose.
The mutations that cause Leigh syndrome disrupt the function of the mitochondria, the organelles that are responsible for cellular respiration. As a result, the cells are not able to produce enough ATP to meet their energy needs. This leads to a wide range of symptoms, including muscle weakness, movement disorders, and difficulty breathing.
In addition to affecting the central nervous system, Leigh syndrome can also affect other organs and tissues, such as the heart, liver, and kidneys. The severity of the disorder can vary from person to person, and there is currently no cure for Leigh syndrome.
Treatment typically focuses on managing the symptoms and providing supportive care to help improve the quality of life for those affected by the disorder.
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Martha is writing a report on the landfill gases near her house. Fill in the blanks to complete her report
Answers
5.4 × 1014
g*year
increases
#PLATO
The embryonic development of animals suggests an evolutionary relationship between humans and other vertebrates. Based on the similarities of embryological development, it can be inferred that some animals are more closely related to humans than others. Which shows the relationships in order of closeness to humans in ascending order (from least closely related to most closely related)? Responses A fish, calf, tortoisefish, calf, tortoise B fish, tortoise, calffish, tortoise, calf C calf, tortoise, fishcalf, tortoise, fish D tortoise, fish, calf
Answers
The embryonic advancement of creatures recommends a request for connection among people and different creatures; a few creatures being more firmly tied with people than others. The correct answer is (B) fish, tortoise, catfish, tortoise, and calf.
Vertebrate undeveloped organisms foster in comparative ways, recommending that vertebrates share qualities got from a typical predecessor. Advancement and separation are processes heavily influenced by qualities. Comparative examples of early undeveloped improvement recommend that vertebrates share the hereditary legacy of a typical predecessor.
Similitudes in the undeveloped advancement of different creature species are additionally found at the sub-atomic level. Synopsis: The surprising comparability in the presence of undeveloped organisms from various creature species was seen as far back as the nineteenth hundred years by researchers, for example, Karl von Baer, Charles Darwin, and Ernst Haeckel.
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