Answers
Answer:
Shrink
Explanation:
The blood cell would shrink because of osmosis. The molecules move with the concentration gradient so water molecules will move outside of the cell where there is less water than inside of the cell.
Blood cells are the main constituents of the circulatory system and carry the most vital function of oxygen transportation. Blood cells have a specific concentration and osmotic pressure to remain vital.
The correct answer is:
Option D. Shrink.
This can be explained as:
Cells have a tendency to shrink in hypertonic solutions while swells in hypotonic solutions.0.8% of the salt solution will act as a hypertonic solution and the RBC placed in it will shrink.When cells are placed in hypertonic solution it loses their water content to the outside surface and hence shrink.Therefore when the red blood cells are placed in 0.8% salt solution they will shrink.
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Related Questions
How would you explain the key concepts for the CWA in less than two minutes?
Answers
Answer:
Explanation:
vPoint Source - a source of water discharged to surface water through a discrete point - generally through a pipe, ditch, or channel.
Nonpoint Source - Nonpoint sources, such as parking lots or athletic fields, discharge runoff water to groundwater or surface water; runoff does not come from a pipe, ditch, or channel. These sources may contain pollutants such as pesticides, motor oil, and soaps.
Navigable Waters of the United States For the purposes of the Clean Water Act, the term "navigable waters" includes:
all waters used in commerce, including groundwater;
all interstate waters including wetlands, mudflats, and sand-flats; and
all other waters such as lakes, rivers, streams, wetlands and sloughs.
EPA policy states, "The majority of facilities in the U.S. have the potential to discharge to navigable waters." The Supreme Court decision in (2006) requires the Army Corps of Engineers and the EPA to determine whether there is a "significant nexus" between a navigable waterway and an area a spill might affect. In June of 2007, EPA and the Army Corps of Engineers released provisional interpretive guidance regarding the "significant nexus” question. According to this guidance, the agencies will assert jurisdiction over traditional navigable waters, wetlands adjacent thereto, and relatively permanent tributaries thereof. The agencies will generally not assert jurisdiction over swales and ditches that lack routine water flow. Finally, the agencies will apply the "significant nexus" requirement and make a case-by-case, fact-specific analysis on impermanent tributaries and other wetlands.
Additional executive orders were issued 2015 in 2019. Under the 2019 proposal, traditional navigable waters, tributaries to those waters, certain ditches, certain lakes and ponds, impoundments of jurisdictional waters, and wetlands adjacent to jurisdictional waters would be federally regulated. It also details what are not "waters of the United States," such as features that only contain water during or in response to rainfall (e.g., ephemeral features); groundwater; many ditches, including most roadside or farm ditches; prior converted cropland; stormwater control features; and waste treatment systems.
Could the requirement for one or more NPDES Discharge Permit apply to my campus?
If your campus discharges pollutants directly to navigable waters of the United States through a point source, you must obtain an NPDES permit or redirect the flow of the waste.
Stormwater releases from certain activities require an NPDES permit. The most common activities on college campuses requiring NPDES permits for stormwater are construction activities disturbing more than 1 acre, hazardous waste storage areas operating under the Resource Conservation and Recovery Act permit system, steam-generating power plants, and airports. See Stormwater section below.
Regulations issued by local water authorities, or Publicly Owned Treatment Works (POTWs), not NPDES permits, govern discharges into sanitary sewer systems. See Sewer Use (POTW) section below for more information about requirements for using POTWs for commercial or industrial waste disposal.
What do I have to do related to NPDES Discharge Permits?
Determine where wastewater flows from buildings and processes on your campus. Any industrial or commercial operation (e.g., ice rink melt pits, floor drains, and vehicle wash stations) that discharge into a water of the United States may require an NPDES permit. If required, you must obtain such a permit from the appropriate regulatory agency, probably your state environmental agency.
French drains, dry wells, and septic system leach fields are different from point source discharges because they do not immediately affect surface water. Some state and federal environmental agencies manage these systems under the Underground Injection Control program, part of the Safe Drinking Water Act. See Safe Drinking Water Act for more information.
Details of NPDES
Select the correct answer from each drop-down menu
Neurons are the building blocks of the nervous system. They process and transmit signals. In a neuron, the the
is found inside
Answers
In a neuron, the (1) nucleus is found inside the (2) cell body.
The cell body of a neuron, also known as the soma, contains the nucleus. It is the main part of the neuron where essential cellular functions occur, including protein synthesis and energy production.
The nucleus, which is enclosed by a membrane called the nuclear envelope, contains the genetic material of the neuron in the form of DNA. It plays a vital role in regulating the activities of the neuron and controlling the synthesis of proteins needed for various cellular processes.
The cell body serves as the control center of the neuron, integrating incoming signals from dendrites and initiating the transmission of signals along the axon.
It contains various organelles, such as mitochondria for energy production, ribosomes for protein synthesis, and the endoplasmic reticulum for the synthesis and transport of proteins.
The nucleus, as the site of DNA storage and transcription, is crucial for maintaining the genetic information necessary for the neuron's structure and function. Overall, the nucleus within the cell body plays a critical role in coordinating the activities of the neuron and supporting its overall functioning within the nervous system.
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Question
Neurons are the building blocks of the nervous system. They process and transmit signals. In a neuron, the (1)____ is found inside the (2)_____.
1. Cell membrane
Myelin Sheath
Nucleus
2. Axon
Cell Body
Dendrite
It is observed that constipation is more common among people in the western countries who eat more meat and processed food than us. What could be the reason for this? What should be changed in their diet?
I already know this answer, just checking, it's cuz of roughage
Answers
Answer:
yes your answer is correct
Explanation:
Constipation happens when the colon absorbs too much water, this can occur if the muscles in the colon are contracting slowly or poorly, causing the stool to move too slowly and lose more water. As meat need much water to digest, so they leads to problem of constipation. Hence, they should eat sufficient amount of water to cure constipation.
Constipation is common among people in western countries who eat more meat and processed food because there is no enough roughage in their bodies which prevents constipation .Fruits and vegetables like like corn etc contains lot of roughage.
Answer:
hi here is your answer is that Constipation is common among people in western countries who eat more meat and processed food because there is no enough roughage in their bodies which prevents constipation .Fruits and vegetables like like corn etc cpntain lot of roughage
Explanation:
i hope this answer will help you
If a less concentrated initial solution of sodium bicarbonate was used in beaker C, would that solution require more or less bicarbonate to neutralize the acid? Why?
Answers
Less bicarbonate would be required to neutralize the acid if a less concentrated initial solution of sodium bicarbonate was used in beaker C.
What is bicarbonate?Bicarbonate is a naturally occurring chemical compound composed of sodium, hydrogen and carbonate ions. It is a salt and a weak acid, and its chemical formula is NaHCO3. Bicarbonate has many uses, including baking, cleaning, medicine, and neutralizing acids. Baking soda, which is sodium bicarbonate, is used in baking as a leavening agent. It acts to create air bubbles in dough, which helps breads and cakes to rise. Bicarbonate is also used in cleaning products as a mild abrasive and a pH buffer.
This is because a less concentrated solution will have fewer moles of bicarbonate per liter of solution, thus requiring less bicarbonate to neutralize the same amount of acid.
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Your umbilicus and sternum lie on the blank
Answers
\( \huge \boxed{\mathbb{QUESTION} \downarrow}\)
Your umbilicus and sternum lie on the ____.\( \huge \boxed{\mathfrak{Answer} \downarrow}\)
The umbilicus or your navel (belly button) lies on the stomach while the sternum or the breast bone lies in the anterior your chest.The umbilicus or more commonly known as navel is used to refer to the vestige which is left after the umbilical cord is cut off when the baby is born.The sternum or the breast bone is the bone which along with your ribs help to protect your internal organs like the heart, lungs & other blood vessels & capillaries.Analyze the given diagram of the carbon cycle below.
Part 1: Which process does arrow F represent?
Part 2: Explain how matter is conserved during the process.
Part 3: Justify why this process is a recycling of carbon in the carbon cycle.
Use complete sentences to explain your answer.
Answers
F is photosynthesis
Matter is conserved in this process because the process can be shown by a chemical reaction equation
This process is a recycling of carbon because it involves the extraction of carbon from the atmosphere into the biosphere.
Does photosynthesis lead to the conservation of matter?It is through photosynthesis that matter is conserved. Plants and certain other creatures use photosynthesis to transform atmospheric carbon dioxide into glucose and other organic molecules. In this process, sunlight's energy is absorbed, and as a consequence, oxygen is released.
The conservation of matter is the idea that during chemical interactions, matter is only altered or reorganized, not created or destroyed.
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What are two categories of natural resources?
Answers
Which event would most likely change enzyme b from the shape shown in diagram 1 to the shape shown in diagram 3
Answers
The event that changes enzyme b from the shape option B. addition of substrate past the optimal range of the enzyme.
Enzymes are proteins that act as biological catalysts by using accelerating chemical reactions. The molecules upon which enzymes might also act are called substrates, and the enzyme converts the substrates into unique molecules referred to as merchandise.
An enzyme is an organic catalyst and is almost continually a protein. It accelerates the price of a selected chemical reaction within the cell. The enzyme isn't always destroyed throughout the response and is used again and again.
An enzyme draws substrates to its energetic website, catalyzes the chemical reaction by way of which products are fashioned, and then permits the products to dissociate (break free the enzyme surface). The combination formed with the aid of an enzyme and its substrates is called the enzyme-substrate complicated.
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The enzyme DNA (nuclease / telomerase / polymerase) joins (amino acids / nucleotides / sugars) to synthesize a new (complementary / opposite / paired) DNA strand.
Answers
Which best describes the temperatures of a city located along a windward coast? summer temperatures that are very similar to an inland location at the same latitude warmer summer temperatures than an inland location at the same latitude cooler summer temperatures than an inland location at the same latitude winter temperatures that are less mild than an inland location at the same latitude
Answers
The sentence that best describes the temperatures of a city located along a windward coast is C.Cooler summer temperatures than an inland location at the same latitude.
What is affected by a body of water's temperature?A city on a windward coast experiences cooler summer temperatures than an area inland at the same latitude.
In comparison to an inland site at the same latitude, a city positioned along a windward coast will experience (b) lower summer temperatures. This area's predominant breeze originates from the lake, which will always have a moderating effect (both warmer in the winter and cooler in the summer). Climate, salt intake, hormone levels, carbohydrate intake, degree of physical activity, and some substances like alcohol and caffeine can all have an affect on total body water content.
Temperature is crucial because it affects the chemistry of water. At greater temperatures, chemical reactions typically proceed more quickly. Higher temperature water, especially groundwater, can dissolve more minerals from the underlying rock and will consequently have a higher mineral content.
Therefore, option C is correct.
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What are gyres?
1.Large plants that move in circles in the ocean.
2.Large circulating parts of the ocean
3.Large animals in the ocean that move in circles in the ocean.
Answers
Answer:
A gyre is a circular ocean current formed by the Earth's wind patterns and the forces created by the rotation of the planet..
Explanation:
follow me plzzz
Can you name another genetic variation among humans that might be an adaptation to the environment why do you think this fits the category of adaptation
Answers
Answer: The correct answer is:
The another genetic variation among humans that might be an adaptation to the environment is colour of the skin. That is, people live in warmer place have dark colour of skin. This dark colour protects them from Ultraviolet (UV) radiation.
What is adaptation?
Any heritable trait that helps an organism to survive and reproduce in its environment.
Organisms such as plants, animals, human beings and all living things.
For example, a plant growing at an increasing altitude could alter its metabolism.
Explanation: I use britain-english so don't mind colour
2. You are handed a mystery pea plant with tall stems and axial flowers and asked to determine its genotype as quickly as possible. You know that the allele for tall stems (T) is dominant to that for dwarf stems (t) and that the allele for axial flowers (A) is dominant to that for terminal flowers (a).
a. Identify all the possible genotypes for your mystery plant.
Answers
If the allele for tall stems (T) is dominant to that for dwarf stems (t) and the allele for axial flowers (A) is dominant to that for terminal flowers, then the possible genotypes for a pea plant with tall stems and axial flowers may be TTAA TTaa, TtAA and TtAa.
What is a dominant allele?In genetics, a dominant allele is a gene variant that mask the expression of another gene variant for the same locus, which is then referred to as the recessive allele.
In this case, we have two alleles from different loci (i.e. tall stem T allele and axial flowers A allele) that dominate to other two alleles (i.e., the dwarf stems and the allele for terminal flowers, respectively).
Therefore, with this data, we can see that the dominant alleles are those that mask the expression of the recessive alleles in heterozygous individuals.
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Qué factores interviene en la manifestación de los genes? (pregunta de indagación)
Toma en cuenta el concepto de gen: El gen es la unidad física básica de la herencia. Los genes se transmiten de los padres a la descendencia y contienen la información necesaria para precisar sus rasgos. Es la unidad molecular de la herencia genética, pues almacena la información genética y permite transmitirla a la descendencia.
Ahora, planteamos nuestra HIPÓTESIS o respuesta probable a nuestra pregunta de indagación. Recordemos que tiene que tener las dos variables en relación de causa – efecto.
VARIABLE INDEPENDIENTE (CAUSA) VARIABLE DEPENDIENTE (EFECTO) INTERVINIENTES
Answers
En este caso, la hipótesis podría ser: los genes se manifiestan de acuerdo a mecanismos genéticos y ambientales. En este caso, las variables independientes (causas) podrían estar representadas por interacciones génicas e intergénicas tales como relación de dominancia completa o epistasis (factores genéticos) o bien cambios de temperatura (factores ambientales), los cuales inciden sobre la variable dependiente (grado de expresión génica) y cuyos efectos están representado por el fenotipo del individuo.
La hipótesis es una explicación plausible a un fenómeno observado en el mundo natural, la cual puede ser comprobada (o rechazada) mediante el uso del método científico.La variable independiente o 'causa' puede ser definida como la variable que produce un efecto sobre la variable dependiente, y que no cambia a lo largo del experimento.Por otra parte, una variable dependiente es una variable que cambia a lo largo del experimento de acuerdo a la variable independiente y que el investigador mide para determinar el efecto de la variable independiente.Aprende más sobre este tema en:
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Provide a scientific term for ‘breaking down’ of nutrients.
Answers
Answer: DIGESTION
Explanation:the breaking down of nutrients is know as digestion.DIGESTION is the process of mechanically breaking down food into substances for absorption into the bloodstream. Hope this helps!
A large bubble of charged particles and gas from the corona that travels out from the sun
sun spot
CME coronal mass ejection
solar prominence
Answers
Answer:
CME coronal mass ejection
Reread the first and second paragraphs. Number the events below in order from first to last.
___ Local business owners and movie studios began working together to bring films to local theaters.
___ Early movie theaters started opening in the early 1900s.
___ The first movies were made in the late 1800s.
Answers
Movie theaters open in the 1900s
Business owners team up
Form a hypothesis to explain the earthquakes that preceded the eruption of Mount St. Helens' 2004 eruption.
Answers
The eruption was preceded by a two-month series of earthquakes and steam-venting episodes produced by an injection of magma at shallow depth below the mountain.
What preceded the eruption of Mount St. Helens' 2004 eruption?A wave of diminishing pressure traveled down the volcanic conduit until it reached the underground magma reservoir. The magma reservoir then started to rise, produce bubbles (degas), and erupt explosively, which drove a Plinian eruption that lasted for 9 hours. Mount St. Helens's summit crater saw a steam-blast eruption recently.
An injection of magma at a shallow depth below the mountain caused an enormous bulge and a fracture system on Mount St. Helens' north slope before the eruption, which was preceded by a series of earthquakes and steam-venting episodes that lasted for two months.
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TIME REMAINING
18:55
A hypothesis is _______.
a.
a proposed solution to observed phenomena
b.
a question derived from observed phenomena
c.
a testable explanation for observed phenomena
d.
generated as the final step in scientific inquiry
Answers
A hypothesis is a testable explanation for observed phenomena (option C).
What is a hypothesis?A hypothesis is a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation.
A hypothesis is usually constructed prior to the experiment and is a statement that takes the 'IF, THEN' format.
A hypothesis must be subjected to experimentation to affirm it's validity and can either be rejected or accepted. Therefore, option C is correct.
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Study the cladogram.
Which two organisms are the most closely related?
lamprey and gorilla
salamander and lizard
tiger and shark
lizard and lamprey
Answers
Answer:
salamander and lizard took the quiz
Explanation:
stop simping
Answer:
the answer ur looking for is B: Salamander and lizard!!! hope this helps!!! may i pls have brainliest?
Explanation:
have a wonderful day!!!!
What happens during the Krebs cycle
Answers
Explanation:
the Krebs cycle occurs on the mitochondrial matrix and generates a pool of chemical energy from the oxidation of pyruvate, the end product of glycolysis. pyruvate is transported into the mitochondria and loses carbon dioxide to form acetyl-CoA, a 2-carbon molecule
6. Edwards syndrome is a genetic condition in which a person has three copies of
chromosome 18. This condition is most likely the result of which process?
Answers
Answer:
Anaphase nondisjunction
Explanation:
Disjunction during mitosis will cause alleles to separate incorrectly.
when would a recessive trait be seen in an organism? A. When there is one dominant and one recessive gene for the trait present in the offspring. B. When there are two dominant genes for the trait present in the offspirng. C. When there are two recessive genes for the trait present in the offspring D. Never
Answers
Some animals in nature adapt to their changing environment. Those that are successful are able to reproduce and pass on their traits to future generations. This is an example of
A:mutualism
b:selective breeding
C:natural selection
D:cloning
Answers
Answer:
I think the answer is D. Cloning. Hope this helps.
A radioactive substance has a half life of 32 years, find the constant k in the decay formula for the substance?
Answers
The decay formula for a radioactive substance is given by:
N(t) = N0 e^(-kt)
where:
N(t) is the amount of the substance remaining at time t
N0 is the initial amount of the substance
e is the mathematical constant e (approximately 2.71828)
k is the decay constant
The half-life of a radioactive substance is the amount of time it takes for half of the substance to decay. In this case, the half-life is 32 years.
Using the formula for half-life, we can write:
N(t) = N0/2
We can substitute this into the decay formula and solve for k:
N(t) = N0 e^(-kt)
N0/2 = N0 e^(-k * 32)
Dividing both sides by N0:
1/2 = e^(-k * 32)
Taking the natural logarithm of both sides:
ln(1/2) = -k * 32
Solving for k:
k = ln(2) / 32
Therefore, the constant k in the decay formula for the radioactive substance is approximately 0.0217 per year (or any other unit of time as long as it's consistent with the half-life unit).
Answer:
The decay of a radioactive substance can be modeled by an exponential decay function of the form:
N(t) = N0 e^(-kt)
where N(t) is the amount of the substance at time t, N0 is the initial amount of the substance, k is a constant, and e is the mathematical constant approximately equal to 2.71828.
The half-life of the substance is the time it takes for half of the initial amount to decay. For this radioactive substance, the half-life is 32 years.
We can use the half-life to find the value of k. The time it takes for the amount of the substance to decay to half its initial value is equal to one half of the half-life, or 16 years. So, we have:
N(16) = N0 e^(-k*16) = 0.5 N0
Dividing both sides by N0, we get:
e^(-k*16) = 0.5
Taking the natural logarithm of both sides, we get:
-ln(2) = -k*16
Solving for k, we get:
k = ln(2)/32
Therefore, the constant k in the decay formula for this radioactive substance is k = ln(2)/32.
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Consider the path that blood takes through the heart and put the following locations in the correct order. The starting point is blood returning to the heart from
systemic (body) circulation.
1. out to the lungs
2. right atrium
3. left ventricle
4. back from the lungs
5. left atrium
6. right ventricle
7. aorta out to systemic (body) circulation
O A6, 2, 1,4,3,5,7
B.2.5, 1,4,6,3,7
C.2.6,1.4,5, 3, 7
O 0.5,3, 1, 4, 2, 6,7
Answers
Answer:
C
Explanation:
Which of the following questions do you think can be answered scientifically?
1. Does watching television before the age of one contribute to the development of autism in children?
2. Did the use of the herbal supplement ephedra cause the death of the 18-year-old soccer player?
3. Does global warming cause an increase in frequency and intensity of forest fires?
4. Do cactus spines reduce herbivory?
5. Should human embryonic stem cells be used to treat Parkinson’s disease?
Answers
The question that can be answered scientifically are as follows:
Do cactus spines reduce herbivory?Does global warming cause an increase in frequency and intensity of forest fires?Did the use of the herbal supplement ephedra cause the death of the 18-year-old soccer player?What is scientific method?The scientific method is a method of discovering knowledge about the natural world based in making falsifiable predictions (hypotheses), testing them empirically, and developing theories that match known data from repeatable physical experimentation.
The scientific method uses series of procedures to answer scientific questions or solve scientific problems.
Any question that does not conform to the use of scientific method is not considered scientific and hence, cannot be tested via experimentation.
Therefore, question that can be answered scientifically are as follows:
Do cactus spines reduce herbivory?Does global warming cause an increase in frequency and intensity of forest fires?Did the use of the herbal supplement ephedra cause the death of the 18-year-old soccer player?Learn more about scientific method at:
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6. Why should you repeat trials in an investigation?
Answers
Answer:
Repeating an experiment more than once helps determine if the data was a fluke, or represents the normal case. It helps guard against jumping to conclusions without enough evidence. The number of repeats depends on many factors, including the spread of the data and the availability of resources.
Help please ASAP!
When scientists use the term "carbon footprint", they are referring to the _________ released into the atmosphere as a product from burning fossil fuels .
Select one :
1. Indirect emissions.
2.Carbon product gases .
3.Greenhouse gas emissions
4.Direct emissions .
Answers
Answer:
3 pretty sure and your welcome
what happens to any matter that isn't used by consumers in a food chain?
Answers
Answer:
decomposers decompose it i think
Explanation:
Answer:
What happens to any matter that is not used by consumers in a food chain? It is decomposed by decomposers and brought back into the food chain later. matter is changed into various forms but the total quantity remains unchanged.
Explanation:
Quizlet, sorry if I am wrong