Answer:
To provide shape and rigidity to the cells.
OR
To transfer traits from parents to offspring in the form of genes.
Explanation:
What is the function of carbon dioxide in the atmosphere?
Answer:
To warm up the Earth.
Explanation:
Carbon dioxide in the atmosphere warms the planet causing climate change.
What is the name of naturally occurring salt, NaCI? A Halite B Sulfur C Graphite D Gypsum
The name of the naturally occurring salt Na CI is Halite.
What is Na Cl?
One of the most prevalent minerals on Earth is sodium chloride (NaCl), more generally known as salt. Many animals and plants require salt as nutrition. Seawater and subterranean rock formations both naturally contain sodium chloride.
Salts are ionic substances in chemical language. Most people understand salt to be the sodium chloride compound found in table salt. Ionic bonds between sodium ions and chloride ions produce sodium chloride. NaCl is the chemical formula because there is one sodium cation (Na+) for every chloride anion (Cl-). Every cell in our body depends on salt and, more specifically, the sodium ions (Na+) that are part of the salt's NaCl structure. Sodium and potassium-containing compounds are electrolytes, which are chemicals that dissolve in water and release ions.
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doctors use radioactive iodine as a tracer in diagnosing certain thyroid gland disorders. this type of iodine decays in such a way that the mass remaining after t days is given by the function m(t)
The initial mass of iodine decay after t days is 6 g
How much of the mass remains after 20 days is 1.053 g
Here's the complete question:
Doctors use radioactive iodine as a tracer in diagnosing certain thyroid gland disorders. This type of iodine decays in such a way that the mass remaining after
m(t) = 6e−0.087t
where m(t) is measured in grams.
a) Find the initial mass (mass at time t = 0).
b) How much of the mass remains after 20 days?
a) Find the initial mass (mass at time t = 0).
m(t) = 6e-0.087t
The unit t is assume to be in days.
m(0) = 6e⁰ g = 6 g
b) How much of the mass remains after 20 days?
Using the equation
m(x) = ne⁻⁰°⁰⁸⁷⁽²⁰⁾
m(20) = 6e⁻⁰°⁰⁸⁷⁽²⁰⁾ g ≅ 1.053 g
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PLEASE HELP!
Which one of the following is the most efficient method of using solar energy to produce electricity?
Select one:
a. passive solar systems like sunspaces or trombe walls
b. parabolic trough
c. solar power tower
d. photovoltaic devices
Answer: photovoltaic devices
Explanation:
In a culture of bacteria, there are some individuals that are unable to synthesize histidine. What is the best and most likely description of how these individuals differ from the other bacteria in the culture?.
In a culture of bacteria, individuals that are unable to synthesize histidine differ in their genotype and in their phenotype compared to other bacteria.
In a culture of bacteria, individuals that are unable to synthesize histidine differ in their genotype and in their phenotype compared to other bacteria.
Lower eukaryotes, plants, lower bacteria, and archaea all contain the old metabolic pathway that generates histidine. The majority of histidine biosynthesis research has been concentrated on Escherichia coli and Salmonella typhimurium, uncovering fundamental regulatory mechanisms in bacteria. An organism's observable attributes or characteristics are referred to as its phenotype, whereas the genetic information passed down through generations is known as its genotype. Bacteria that synthesize histidine do so because of their physical characteristics and genetic makeup, as opposed to bacteria that do not because of those same characteristics and genetic makeup.
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A student made a model of the earth and its atmosphere by covering a box
with plastic wrap and placing thermometers inside and outside of the box.
The temperature inside the box increased at a faster rate than the outside
temperature. This model best represents
This model best represents the role of carbon dioxide in trapping heat from radiation in the green house effect.
What is the green house effect?
By means of "greenhouse gases," heat is held in close proximity to the Earth's surface, creating the greenhouse effect. The world is kept warmer than it would be without the help of these heat-trapping gases, which act as a blanket surrounding the planet.
Most of the sun's visible light can travel through the atmosphere and reach the surface of the Earth. When sunlight heats the Earth's surface, some of the energy is radiated back into space as infrared radiation. Contrary to visible light, this radiation has a tendency to be absorbed by the greenhouse gases in the atmosphere, increasing its temperature. Infrared radiation is sent back toward the surface of the Earth by the heated atmosphere. (Despite its name, the greenhouse effect is not the same as the warming in a greenhouse, where glass panes transmit visible sunlight but hold heat inside the building by trapping warmed air.)
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in the green alga chlamydomonas spp. the zygote divides only by meiosis, never by mitosis. haploid cells undergo mitotic divisions. this is an example of
The division of Chlamydomonas cell by meiosis and mitosis is an example of sexual and Asexual reproduction respectively
Chlamydomonas is a genus of green algae that are mostly found in ponds, freshwater lakes etc.
THEY used to be claasifeied as a protist but are generall regarded as plants
Chlamydomonas undergo both asexual, which can occur at any time and sexual reproduction that can only occur in favorable conditions
They reproduce asexually by a process known as mitosis is the division of one cell into daughter cells. each cell is genetically identical
During sexual reproduction, a single cell divides to produce four daughter cells through a process known as meiosis
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Is the following sentence true or false? If the steepness of a slope
exceeds the stable angle, mass movements become more likely.
Answer:
true
Explanation:
certain species of lactobacillus ferment glucose into mainly lactic acid in a process termed fermentation, while other species of lactobacillus ferment a mixture including lactic acid, acetic acid and carbon dioxide in a process termed heterolactic fermentation.certain species of lactobacillus ferment glucose into mainly lactic acid in a process termed fermentation, while other species of lactobacillus ferment a mixture including lactic acid, acetic acid and carbon dioxide in a process termed heterolactic fermentation.
Certain species of Lactobacillus ferment glucose into mainly lactic acid in a process termed homolactic fermentation, while other species of Lactobacillus ferment a mixture including lactic acid, acetic acid and carbon dioxide in a process termed heterolactic fermentation.
What is fermentation?Through the activity of enzymes, the metabolic process of fermentation causes chemical changes in organic substrates. In biochemistry, fermentation is specifically described as the process of obtaining energy from carbohydrates without the presence of oxygen. In the context of food production, the term may be used more broadly to describe any procedure in which the action of microbes results in a desired modification to a food or beverage. Zymology is the field that studies fermentation.
By anaerobically degrading organic resources, fermentation is the main mechanism by which microbes produce adenosine triphosphate (ATP).
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2. Congratulations! You are in charge of the world. List the three most important components of your strategy for dealing with urban
growth and sustainability in (a) developed countries and (b) developing countries.
Being in charge of the world , the three most important components of my strategy for dealing with sustainability would be completely different for developed and developing country.
What is sustainable development and how can it be achieved in developed and developing country ?See in today's world if something really is necessary then it is sustainable development , which needs to be approached and installed .Sustainable development is the development of the work along with taking proper care of natural environment.Dealing with these issues would be a different handling operation for developing country and developed country .In the context the statistical data shows that achieving sustainable development in developing country is far more difficult than doing it over developed country.To know more about sustainable development visit:
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what compound is the major precursor to all glycerophospholipids? what compound is the major precursor to all glycerophospholipids? acyl-coa malonyl-coa acetyl-coa phosphatidic acid
Acetyl call age is the major precursor to all glycerophospholipids.
What is glycerophospholipids?Glycerophospholipids are detergents and, as such, they reduce water surface tension and stabilize the dispersion of hydrophobic compounds (cholesterol and neutral fats) in aqueous solutions. The capacity of phospholipids to function as detergents is important in bile, where they favor the solubility of cholesterol.
in the given question, this is part of the concept of a cycle basically in biology. So this compound is not considered a precursor for the production of glucose neurogenesis in humans, which is the correct answer, we have the Acetyl Call Age. The reason is that always remember that the gluconate eugenic pathway converts pyre of eight two glucose and non-carbohydrate precursors of glucose are first converted into paraguay or even in the pathway at later intermediates such as axel acetate and the hydro accident phosphate, the main non-carbohydrate precursor, our lactate, we have lock band, we have amino acids and also glycerol. In the human body, glucose cannot be synthesized from fatty acids because they are converted by beta-oxidation to acetyl coenzyme, which then enters the citric acid cycle where it is oxidized to carbon dioxide. The starting materials for glucose neurogenesis. Our three carbon compounds including lactate pyre of it and we also have glycerol and certain amino acids, fatty acids and ketogenic amino acids cannot be used to synthesize glucose. The transition reaction is a one-way reaction, which means that the acid still cannot be converted back to piracy. Consequently, fatty acids cannot be used to synthesize glucose because better oxidation will produce acidic alkalis. Acetylcola is therefore not considered a precursor for the production of glucose.
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Which analogy best describes the spinal cord?
1.A slip-and-slide that makes the nervous system fun
2.A highway for nerve messages to travel from the brain to the body and back
3.A big collection of bones that helps us stand up straight
1 p
1. Chemical properties describe how a substance changes Trure Or False
Answer:
False
Example:
Only the physical properties like shape, size, appearance etc., are changed. Hence the given statement is false.
Answer:
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in addition to major storms, what are some earth system interactions that we experience regularly?
'Along with major storms, humans (biosphere) constructed a dam out of rock materials' (lithosphere). The lake's water (hydrosphere) seeps into the cliff walls behind the dam, eventually becoming groundwater (lithosphere) or evaporating into the atmosphere (atmosphere).
What exactly is the earth system?The term "Earth system" refers to the physical, chemical, and biological processes that interact on Earth. The land, oceans, atmosphere, and poles make up the system. It includes the planet's natural cycles, such as the carbon, water, nitrogen, phosphorus, and sulfur cycles, as well as deep Earth processes.The goal of Earth System Science is to understand how the Earth is changing and the implications for life on Earth, with a focus on enabling prediction and mitigation of unfavorable outcomes. The geosphere is by far the largest of Earth's major systems because it includes the entire core, mantle, and crust of our planet. In fact, the geosphere accounts for approximately 99.98% of the total mass of the Earth (with nearly all the rest being the water in the oceans).Hence, 'Along with major storms, humans (biosphere) constructed a dam out of rock materials' (lithosphere).
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9. Is oxygen necessary for the production of ATP in your
cells? Why or why not?
Answer:
ATP production depends upon respiration
oxygen requirement depends on the type of respiration (aerobic or anaerobic) the cell does.
Explanation:
for anaerobic --->no oxygen is required e.g.red blood cells do not respire aerobically, only glycolysis produces ATP are utilized
for aerobic ----->oxygen is required.e.gliver cell
in epithelial tissues group of answer choices cells obtain nutrients via blood vessels found in the tissues the organelles and other cytoplasmic components are evenly distributed between the exposed and attached surfaces of the epithelial cells extracellular fluid or fibers separate the individual cells
In epithelial tissues there is little or no intercellular space between the cells.
The correct option is D.
What is epithelial tissue and its function?There are many epithelial tissues in the human body. They make up the majority of the tissue in glands, line body cavities and hollow organs, and cover all of the body's surfaces. Protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception are just a few of the many tasks they carry out.
Why is epithelial tissue so important?The body's fundamental tissue barriers are the epithelia; they divide tissue into compartments, allow for the exchange of nutrients and waste products, and shield the body from the outside environment.
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The complete question is-
In epithelial tissues ________.
A) cells that are damaged or lost at the surface cannot be replaced
B) cells obtain nutrients via blood vessels found in the tissues
C) extracellular fluid or fibers separate the individual cells
D) there is little or no intercellular space between the cells
E) the organelles and other cytoplasmic components are evenly distributed between the exposed
answer picture attached
Answer:
I think its c or d
Explanation:
What are your own ways on protecting our environment?
What are the causes of soil erosion?
How can we protect our environment?
What should we do to increase the awareness about environmental population?
What are the solutions to our environmental problems?
please answer it...
Answer:
1.Reduce, reuse, and recycle. Cut down on what you throw away. ...
Volunteer. Volunteer for cleanups in your community. ...
Educate. ...
Conserve water. ...
Choose sustainable. ...
Shop wisely. ...
Use long-lasting light bulbs. ...
Plant a tree.
How much charge would be on the plates if the capacitor were connected to the battery after the radius of each plate was doubled without changing their separation?.
When R is doubled, the charge will become 4 times the origInal charge.
The quantity of electric charge that may be stored for every unit change in electric potential is known as capacitance. When two parallel plates are placed over a battery and separated by a certain distance, the given plates begin to charge progressively, and an electric field is created between them.
Q = CV
Q is the charge
C is capacitance
V is voltage passed
C= (Aϵ0)/d
A is the area of the plate
d is distance between the plates
Since its a circular disc, A = πR^2
R is the radius of the plate
C= ((πR^2)ϵ0)/d
When R is doubled it becomes 2R
C= ((π(2R)^2)ϵ0)/d
C= ((π4R^2)ϵ0)/d
C= 4(((πR^2)ϵ0)/d)
Recall that
((πR^2)ϵ0)/d = C
Therefore, the new
C = 4C
Q = CV
When C = 4C
Q = 4CV
Put Q = CV
Q = 4Q
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multiple alleles explanation and examples
Answer:
What are multiple alleles? In biology, multiple alleles are three or more alleles for a particular gene. Multiple allelism (biology definition): The condition of the presence of multiple alleles. An example of multiple alleles is the ABO blood group system in humans.
Which sentence best describes the production of the energy carried NADPH by the light reactions?
Photons of light are absorbed by electrons in NADPH, increasing its energy.
Why are photons of light are absorbed by electrons in NADPH?Although it operates similarly, photosynthesis requires the distinct fuel NADPH. A high-energy electron and proton are taken up by the low-energy form NADP+ and transformed into NADPH. NADPH changes back to NADP+ when one electron is lost. Overall, this process transforms light energy into chemical energy in the form of ATP and NADPH.
The Calvin cycle, the following stage of photosynthesis, uses ATP and NADPH from the light-dependent process to produce carbohydrates. Two electron transport chains work together to make ATP and NADPH. During the photoreaction, oxygen and water are both consumed. Since the process starts with sunlight, these reactions can only occur in the sun. the moment the photosystem is reached by an electron from the electron transport chain.
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Plants and animals are part of all of the nutrient cycles through the foods they eat and what eats them. name four classes of organic compounds contain carbon and explain how the carbon cycle and nitrogen cycle contribute to the usable supplies of the macromolecules.
Four classes of organic compounds containing carbon are carbohydrates, proteins, lipids, and nucleic acids. The carbon cycle involves photosynthesis which gives proteins to plants and animals. plants get their carbon from the air and their nitrogen from the soil.
Every living thing contains organic molecules like lipids, proteins, carbohydrates, and nucleic acids. Large carbon-based structures make up these macromolecules.
Living things use carbohydrates as a significant source of energy. Glucose, fructose, sucrose, galactose, ribose, deoxyribose, cellulose, and chitin are a few examples of carbohydrates.Lipids (Fats) Lipids are molecules that store a lot of energy. In comparison to carbohydrates, lipids store twice as much energy per gram.Amino acids are what make up proteins. The primary building elements of organisms are proteins. Large, intricate molecules called proteins are the building blocks of many different biological elements, including muscle fibers, enzymes, and hemoglobin.RNA and DNA are nucleic acids. The genetic code for producing proteins, specifically, is carried by DNA.Carbon is shared between living things and their environment during the carbon cycle. It describes how carbon moves when it is recycled and used again. Since carbon is the primary component of biological compounds, it is crucial for photosynthetic organisms to absorb carbon dioxide (CO₂) from the atmosphere, use it to make organic molecules like carbohydrates, lipids, proteins, and nucleic acids, and then release it back into the atmosphere as CO₂ during respiration.
On the other hand, plants cannot absorb nitrogen from the atmosphere in the form of the gas N₂. It is transformed by bacteria into ammonia (NH₃), a type of nitrogen that plants may use, as part of the nitrogen fixation process. Animals ingest useable nitrogen molecules when they consume plants.
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How do you know the strand below is
RNA and not a strand of DNA?
AGUCAAGGCACUGGAG
A. There is no way to distinguish the two strands.
B. The strand is too short to be DNA.
C. RNA contains uracil and DNA does not.
Answer:
C
Explanation:
because there is uracil instead of thymine. thymine is found in dna and uracil is found in rna
A sample of moon rock was brought back from the latest moon mission. Scientists are eager to date this rock to see when it was formed. They will use a technique called radiometric dating. Their data is shown below. Help the scientists calculate and draw conclusions about each sample.
Potassium-40 decays into Argon-40, known as K-Ar dating. Potassium-40 has a half-life of 1.25 billion years.
Identify the number of half-lives passed after 3.75 billion years.
Explain how you came to this conclusion.
The number of half lives that have passed is obtained from the question is 3 half lives.
What is the half life?We know that many times, the scientist is faced with the issue of trying to date a material. This is because, we often need to know the exact period in which the material may be rightly said to belong. This have helped us to decode the age of so many materials that we have in the world today.
The half life is the time that it takes for only half of the radioactive materials to remain in a sample. We have been told that Potassium-40 decays into Argon-40, known as K-Ar dating. Potassium-40 has a half-life of 1.25 billion years. The task that we now have is to be able to Identify the number of half-lives passed after 3.75 billion years.
We can now say that the number of the half lives is;
3.75 * 10^6 years/ 1.25 * 10^6 years
= 3 half lives
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Sketch and label the pluck.
Explanation:
i hope this will help you mark me brainlist
is this an endothermic or exothermic reaction
Explanation:
An endothermic reaction is a chemical reaction that absorbs (or use) energy overall.
An exothermic reaction is a chemical reaction that releases energy by light or heat.
Technology has advanced to be able to create artifical body parts (vital organs, blood, etc). At what point do we stop being human and are considered machine?
Answer:
The point at which you are no longer human is subjective to yourself.
Explanation:
If you replace the broken parts of a ship over decades and decades as it slowly breaks down, you don't ever have a completely different ship, even after all the parts have been replaced. Fixing something thats broken doesn't detract from what it was originally.
What process in nature has glucose as a product?
Answer:
Gluconeogenesis and glycogenolysis
Helppppp this is due in 56 minutes
The image depicts erosion, specifically soil erosion. Soil erosion is the gradual deterioration of soil caused by the impact of water or wind on soil particles.
What are the consequences of soil erosion?Soil erosion refers to the denudation of the upper layer of soil. It is a form of soil degradation. This natural process is caused by the dynamic activity of erosive agents such as water, ice (glaciers), snow, air (wind), plants, and animals.Subsoil exposure, which frequently has poor physical and chemical properties. Higher runoff rates, shedding water and nutrients that would otherwise be used for crop growth crop failure in newly planted crops.Low-lying areas have silt deposits.Ways to prevent soil erosion :
Change your tillage practices. Soil tillage (digging, stirring, and overturning) is one of the most common methods of preparing land for crop cultivation.Keep an eye out for overgrazing.Think about terracing steep slopes.Create a buffer strip.To learn more about soil erosion refer to :
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In 4 sentences describe a couple of areas in the brain that are responsible for creativity.
It appears to be in charge of many of the processes that support creative thinking, the frontal cortex has been referred to as the hub or center of creativity.
What exactly is a brain?The brain is a complex organ that manages every bodily function as well as thought, memory, emotions, touch, motor skills, vision, breathing, temperature, and hunger. The central nervous system or CNS, is made up of the spinal cord that emerges from the brain.
How do brains function?Billions of nerve cells in your brain are organised in patterns that help you think, feel, act, move, and sense things. Your brain and the rest of your body are connected by a vast system of nerves that allow for rapid communication.
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