David comes into the emergency room late at night with a cut that will not stop bleeding. His mother, Rose, is worried that he has a bleeding disorder, just like his grandfather. The lab is closed, so the doctor cannot order a specialized coagulation test. However, the hospital does have a sample of blood from a classic hemophiliac. What is the simplest test the doctor could perform using David's blood to determine if it is missing factor VIII activity
Answer:
The doctor can mix a blood sample from the hemophiliac patient with David's blood.
Explanation:
This test is called Mixture Test and is performed quickly when there is no time to do more detailed and accurate tests. In the mixture text, two blood samples are mixed, where one is from a patient with hemophilia. when mixing the two samples, the doctor observes whether there were coagulation inhibitors in the patient's blood, and can then draw conclusions about the presence of hemophilia in the patient.
How to tell if a cat really has feelings for you or just to eat?
Answer:
if tge cat doesnot come to you when you dont give it food it means he loves food not u
Answer:
lets see
Explanation:
one the place a food near you and if the cat looks down the food with out looking at you then you understand he loves food
why O- blood type can be given to anyone
What enzyme moves outward from the origin of replication and breaks hydrogen bonds between dna nucleotides?.
The helicase destroys hydrogen bonds between DNA nucleotides as it proceeds away from the point of origin.
At the start of replication, what enzyme divides DNA?Enzymes called helicases bind to nucleic acid or nucleic acid protein complexes and may even alter them. Helicases exist for both DNA and RNA. DNA helicases are necessary for DNA replication because they divide double-stranded DNA into single strands, enabling the replication of each strand individually.
Which enzyme, during DNA replication, moves in front of DNA helicase?A primosome is a structure on the lagging strand that is formed by the primase molecule and a DNA helicase in procaryotes.
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Drag each label to the correct location on the image. Not all labels will be used.
Match the labels with the symbols on the weather map.
cold front
warm front
low pressure
strong winds,
cloudless
strong winds,
very cloudy
high pressure
occluded front
I need help now please!
About the question:
You will find the map in the attached files
Answer:
Cold front → blue line/trianglesWarm front → red line/semicircles Occluded front → lines with triangles and semicircles Low pressure → LHigh pressure → H Strong winds, cloudless → White key Strong winds, very cloudy → Black filled keyExplanation:
ISOBARS:
These are lines that join points of similar pressure and indicate atmospheric pressure for different regions. If lines are very close to each other, means that there will be bad weather. This is because, at a short distance, pressure values change, meaning atmospheric instability.
PRESSURE ZONES:
Isobars indicate the speed and direction of winds. Winds move from high atmospheric pressure areas to lower atmospheric pressure areas. When isobars are placed as small circles, there is a letter indicating the pressure center. It can be either high pressure symbolized with an H, or low pressure symbolized with an L.
High-pressure zones, H, represent anticyclones and are associated with good weather.Low-pressure zones, L, represent cyclones and are associated with bad weather. The closer the lines are to each other, the stronger will be the winds.FRONT TYPES:
There are different types of fronts, which can be represented with different symbols.
Cold front: In weather maps, these are represented with blue lines with triangles indicating the direction of the wind movements. Warm front: In weather maps, these are represented with red lines with semicircles indicating the direction of the wind movements. Occluded front: It can be warm or cold. These are represented with purple lines with triangles and semicircles indicating the direction of the wind movements.CLOUD COVER / WIND SPEED:
Indicated as a key figure on the map.
Circle: Represents the percentage of cloud cover. The clouder it is, the more black will be the circle. Stick: Represents the wind speed. The stick can have lines indicating the degree of speed → stick with no transversal line indicates 1-4 mph, one line means 5-8 mph, two lines 9-14 mph. And so on.The rate of temperature lost in a body starts slowly, then accelerates as more time has passed since death.
True
False
Which governmental level usually administers permitting and regulation of land use?
Answer: Local Governments
Explanation:
Generally, local governments have a large degree of autonomy to control land use within their jurisdictions. States typically grant them the authority to pass ordinances and regulations as long as they do not conflict with other laws. Furthermore, all states give municipalities the power to enact zoning regulations. In 15 states, state legislation also requires municipalities to adopt a Comprehensive Plan. Similarly, in 8 states local governments are required to adopt Local Zoning Ordinances.
Eskers, moraines, and crevasses are all erosion features that are associated with glaciers.
i. True
ii. False
Eskers, moraines, and crevasses are all erosion features that are associated with glaciers. The given statement is true.
When chemical energy is released?
All exergonic processes produced in the cell, through which substances oxidize and chemical energy is released, are grouped under the name of cellular respiration, but to break down an organic molecule the cells employ, mainly dehydrogenations that can be carried carried out in the presence or absence of atmospheric O2 oxygen.
There are therefore two types of breathing and they are aerobic respiration and anaerobic respiration. The latter also called fermentation. Aerobic respiration (oxidative phosphorylation)
Use molecular O2.It degrades glucose to CO2 and H2OExergonicRecovers about 50% of chemical energyPresent in most organisms.It uses enzymes located in the mitochondria.Therefore, Eskers, moraines, and crevasses are all erosion features that are associated with glaciers. The given statement is true.
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Natural selection occurs when:____.
a. a factor in the environment alters the genetic information in DNA of all members of a species.
b. only when nonrandom mating occurs.
c. a new genetic variation occurs that allows individuals to have a reproductive and survival advantage.
d. when a small number of individuals of a population break away and form a new population.
Answer: The correct option is C.
a new genetic variation occurs that allows individuals to have a reproductive and survival advantage.
Explanation:
It is a new genetic variation occurs that allows individuals to have a reproductive and survival advantage because natural selection is a survival mechanism in which organisms develop a variation in genetic traits or develop characteristics which help them to reproduce,survive,adapt to their environment and pass on these characteristics to their offsprings which can be transfer to generations.
Speed describes how fast an object moves. Speed is described by?
Answer:
Distance & Time
Explanation:
Speed is described by distance
WILL MARK BRAINLIEST SELECT ALL THAT APPLY. ]Punnett squares use mathematical probability to help predict the genotype and phenotype combinations in genetic crosses. Select the steps below
that describe how to construct Punnett squares.
A. All possible combinations of alleles in the gametes produced by one parent are written along the top edge of the square.
B. All possible combinations of alleles of the other parent are written along the left edge of the square.
C. All possible genotype are written inside the boxes within the square, as they might appear in the offspring.
D. All possible combinations of phenotypes are written at both edges of the square.
Answer:
hope this helps
Explanation:
Punnett squares use mathematical probability to help predict the genotype and phenotype combinations in genetic crosses. You begin with a square. Then, following the principle of segregation, all possible combinations of alleles in the gametes produced by one parent are written along the top edge of the square.
The electron transport chain takes place in the:thylakoid membrane.stroma.matrix.cristae membrane.
Electron transport chain occurs in the cristae membrane. Cristae is located in the inner membrane of mitochondria.
biologists knew that South America and Africa contained similar fossils. These fossils led them to believe that a temporary land bridge between South America and Africa allowed ancient species move between both continents. In the twentieth century, evidence showed that South America and Africa were once part of the same larger continent and that there were no land bridges between them How should ologists respond to the new geological finding? 0 Biologists should reject the geological finding, because it is new. Biologists should ask physicists what to do, because physics is a more exact science Biologists should reject the belief in ancient species, because there were no land bridges. Biologists should update the history of life, because it should include the new geological finding Next 3:12 PM 2/10/2021 2 ^ Previous o B Type here to search
Answer:
D. Biologists should update the history of life, because it should include the new geological finding.
Explanation:
It's definitely correct
Need help asap!!!!!!!!!!!
Places where water is stored on Earth and their respective phases:
Oceans and seas - LiquidGlaciers and ice caps - SolidRivers, lakes, and ponds - LiquidGroundwater - LiquidAtmosphere - GasWhat is the water cycle?The water cycle, also known as the hydrological cycle, is the continuous movement of water on, above, and below the surface of the Earth.
It describes the process of how water evaporates from the surface of the Earth, rises into the atmosphere, cools and condenses into clouds, and falls back to the surface as precipitation.
Seven processes involved in the water cycle and their definitions:
Evaporation - The process by which liquid water changes into water vapor, which is a gas, due to heat energy from the sun.Transpiration - The process by which plants release water vapor into the atmosphere through their leaves.Condensation - The process by which water vapor changes into liquid water, forming clouds in the atmosphere.Precipitation - The process by which water falls from the atmosphere to the surface of the Earth in the form of rain, snow, sleet, or hail.Infiltration - The process by which water enters the soil and percolates downward to become groundwater.Runoff - The process by which water flows over the surface of the Earth and into streams, rivers, and oceans.Sublimation - The process by which ice changes directly into water vapor, without passing through the liquid phase. This occurs in high altitude areas with low humidity.Learn more about the water cycle at: https://brainly.com/question/25796102
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In Activity 2, which of the respirometers serves as a control? Explain your answer! Why was it the control? You should write at least 3 sentences to explain this. Respirometer A contains germinated beans. respirometer B contains dormant beans and plastic beads respirometer C contains plastic beads.
In Activity 2, the respirometer C serves as the control. A control is an essential part of any scientific experiment as it provides a baseline against which the experimental results can be compared.
Respirometer C containing only plastic beads does not contain any living organisms and therefore does not undergo cellular respiration. By comparing the results of respirometers A and B with the control (respirometer C), any changes in oxygen consumption and carbon dioxide production can be attributed to the metabolic activity of the germinated beans in respirometer A and the dormant beans in respirometer B.
This allows researchers to determine the specific effects of germination on cellular respiration by isolating the variables and eliminating any external factors that could influence the results.
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3. Which of the following provides the best description of active transport of
materials across the cell membrane?
A:Active transport does not require energy and moves materials from areas of
relatively higher to lower concentration.
B:Active transport requires energy and moves materials from areas of
relatively lower to higher concentration.
C:Active transport does not require energy and moves materials from areas of
relatively lower to higher concentration.
D:Active transport requires energy and moves materials from areas of
relatively higher to lower concentration.
Answer:
B. Active transport requires energy and moves materials from areas of relatively lower to higher concentration.
Explanation:
how does the simple cuboidal epithelium do its function
Answer:
Diagram of simple cuboidal epithelium. By lining the surface of various ducts of various glands and organs, simple cuboidal cells are able to provide a layer of protection from abrasion, foreign particles, invading bacteria and excessive water loss (due to its selective permeability) to the underlying tissue.
Explanation:
Answer:
Simple cuboidal epithelium consists of a single layer cells that are as tall as they are wide. The important functions of the simple cuboidal epithelium are secretion and absorption. This epithelial type is found in the small collecting ducts of the kidneys, pancreas, and salivary glands.
Which of the following does NOT accurately identify an aspect of adolescence that hampers effective responses to adolescent depression?
Adolescents are fundamentally untrustworthy when it comes to their emotional worlds does not accurately identify an aspect of adolescence that hampers effective responses to adolescent depression.
What is Depression?This is referred to a mental disorder which is characterized by reduced mood and loss of interest in activities.
Adolescents are not fundamentally untrustworthy and they have difficulty recognizing depression.
The options include:
Adolescents attach stigma to depression.Adolescents often have difficulty recognizing depression.Adolescents tend to seek help from informal rather than professional sources.Adolescents are fundamentally untrustworthy when it comes to their emotional words.Read more about Depression here https://brainly.com/question/21711771
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Milk has a pH of 6. Tomato juice has a pH of 4. Therefore, milk is:
A. twice as acidic as tomato juice.
B. 100 times less acidic than tomato juice.
C. half as acidic as tomato juice.
D. 10 times less acidic than tomato juice.
Based on the pH scale, Milk has a pH of 6 while Tomato juice has a pH of 4, milk is 100 times less acidic than tomato juice.
The correct answer is B.
What is pH?The pH scale is logarithmic, meaning that each number on the scale represents a tenfold difference in acidity or basicity.
A pH of 4 is 10 times more acidic than a pH of 5, and 100 times more acidic than a pH of 6. Therefore, to compare the acidity of milk (pH 6) and tomato juice (pH 4), we can say:
Milk (pH 6) is 100 times less acidic than tomato juice (pH 4).
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in the _____ reaction, NADPH and oxygen are the products
A. Calvin cycle
B. Light - dependent
C. Combustion
D. Chemical
E. Dark reaction
Answer:
B. Light-dependent
Explanation:
In the light dependent reaction, NADPH and oxygen are the products.
PHOTOSYNTHESIS:
Photosynthesis is the process by which green plants obtain their food using energy from sunlight. Photosynthesis is metabolic process made up of two reactions named: light dependent and light independent reactions. Light dependent reaction takes place strictly in the presence of sunlight. Light photons is used to break down water molecules to produce NADPH (electron carrier) and oxygen gas (O2). Therefore, in the light dependent reaction, NADPH and oxygen are the products.Learn more at: https://brainly.com/question/11240542?referrer=searchResults
The structure of ecosystems can be illustrated through ecological pyramids. Match the pyramid with the correct description.Pyramids:Pyramid of numbersPyramid of biomassPyramid of energyDescriptions:a. the amount of energy retained at each trophic levels is measured and presented.b. the number of organisms in each trophic level is counted and presented.c. the amount of living material of organisms is measured and presented.
A pyramid of numbers is defined as a pyramid that shows the number of organisms in each trophic level. Therefore, the correct description is b. the number of organisms in each trophic level is counted and presented.
A pyramid of biomass is ddefined as a pyramid that shows the biomass in each trophic level. Biomass is the total amount of organic material in a specific environment. Therefore, the correct description is c. the amount of living material of organisms is measured and presented.
A pyramid of energy is defined as a pyramid that shows the amount of energy that stays in the organisms of each trophic level. Therefore, the correct description is a. the amount of energy retained at each trophic levels is measured and presented.
How do spores help the survival of spore-bearing plant?
a)Spores can last for many years without beginning to grow.
b)Spores provide food for the plant in a harsh environment.
c)Spores attract animals to help with pollination.
d)Spores can help plants with photosynthesis.
Answer:
it's D
Explanation:
When weather conditions are ideal, some ferns, algae, moss and even fungi, release spores into the air, often carried by the wind, by insects or birds until they land. Spores contain both male and female reproductive organs, which allows these plants to replicate themselves in a form of cloning.
Answer:
a)Spores can last for many years without beginning to grow.
Explanation:
A virus is isolated, and individual virions appear spherical. what type of virus is this?
The anatomy of spiders and insects is structurally identical.
Please select the best answer from the choices provided:
True
False
Which is a biotic factor?
Answer:
a living organism that shapes its environment
Explanation:
hope this helps
which monosaccharide has the chemical formula C6 H12 06?
Frutose
Glucose
All of the other choices
Galactose
Answer:
All of them!
Explanation:
Each of the options (glucose, fructose and galactose) have the general formula: C6 H12 O6, due to them all being hexose monosaccharides.
Hope that helps! x
Benjamin invests $400 in a savings account that earns 5% interest each year.
Which expression gives the balance in the account after 3 years?
Answer: $460
Explanation:
To solve the question, we need to calculate the interest generated firstly and this will be:
= Principal × Rate × Time
= $400 × 5% × 3
= $400 × 0.05 × 3
= $60
The balance in the account after 3 years will be:
= Principal + Interest
= $400 + $60
= $460
What are the characteristic of solute plssss po
Solute is the substance that dissolves
Solute is a minor componentSolvent is a major componentSolutions is a mixture where the solute is uniformly distributed in the solvent.Solution is homogeneous mixture that contains particles the size of a typical ion or small molecule.The mass of the solute dissolved per unit volume of solvent is called ConcentrationSolubility is The concentration of a saturated solutionSolutes lower the freezing point and raise the boiling point of a solvent.Saturated Solution is a solution in which no more solid can be dissolvedUnsaturated Solution is solution in which more solid can be dissolvedPrecipitate is a solid that crystallizes out of a saturated solution as it is cooled.To know more about solute visit :
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Worth 35 points
Which of the following describes characteristics that impact the amount of ozone pollution near Earth's surface?
I. A region's topography
II. An area's weather patterns
III. Human activities
I and II
II and III
I and III
I, II, and III
The answer option which describes the characteristics that impact the amount of ozone pollution near Earth's surface is: A. I and II.
Pollution can be defined as the physical contamination (degradation) of Earth's surface and its environment through an emission of pollutants or waste materials.
Some examples of pollutants or waste materials that causes pollution around the world include;
Nitrogen dioxide.Particulate matter.Lead.Sulphur dioxide.Carbon monoxide.Ozone.Ozone pollution are mainly caused as a result of the emission of nitrogen oxides and volatile organic compounds.
The amount of ozone pollution near Earth's surface is mainly affected by the following characteristics:
I. A region's topography: the types of landforms formed in a region affects the pollution of ozone.
II. An area's weather patterns: the atmospheric condition in an area affects its level of ozone pollution.
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Answer:
the answer is wrong is not 1 and 2
I'm not sure but i believe it will be 1 2 and 3 I'm sorry if it wrong
Explanation:
Explain how physical and chemical changes affect the mass of a material
Answer:
Explanation:
During a physical change, the arrangement of particles may change but the mass, number of atoms and number of molecules will stay the same. ... During a chemical change, the mass and number of atoms is conserved, but the number of molecules is not always the same. Chemical reactions involve large changes in energy.