When Maggie places the cells under the microscope, she is most likely to see D. The cells have shrunk within the cell walls.
Why would the cells have shrunken ?If Maggie places cells of Elodea, a freshwater plant, on a wet-mount microscope slide, and then uses a saltwater solution to prepare the slide, she is most likely to see the cells have shrunk within the cell walls when she observes them under the microscope.
When cells are placed in a hypertonic solution (such as saltwater), water moves out of the cells by osmosis, resulting in the cells losing water and shrinking. In the case of Elodea cells, the cells will shrink within the cell walls.
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Select the correct answer.
Susan wants to bring out as much tone and shading in her prints as possible. Which type of paper should she use?
OA. high contrast
OB. low contrast
OC. fixed contrast
O D. variable contrast
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Susan should use option B: low contrast papers if she wants to bring out as much tone and shading in her prints as possible.
Use a low contrast paper if Susan wants to highlight as much tone and shading in her prints as possible. A low contrast paper will have a greater tonal range, allowing it to display more subtle color and shade variations. This is perfect for printing pictures with a lot of subtlety and detail, such grayscale or black and white photos.
Images with strong, stark contrasts between light and dark areas work best on high contrast paper. Variable contrast paper enables the photographer to alter the contrast of the paper using filters or other techniques, as opposed to fixed contrast paper, which is intended to provide a consistent amount of contrast.
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Correct question:
Select the correct answer.
Susan wants to bring out as much tone and shading in her prints as possible. Which type of paper should she use?
A. high contrast
B. low contrast
C. fixed contrast
D. variable contrast
Help me please I will be happy
Answer:
C. The Earths Core (Center)
Explanation:
I took the test.
The physician has ordered a “crit”. What is your process for drawing the blood sample?
Answer:
Explanation:
The term "crit" typically refers to a hematocrit test, which measures the percentage of red blood cells in a sample of blood. Here are the general steps for drawing a blood sample for a hematocrit test:
Gather supplies: You will need a needle, a syringe, a tourniquet, alcohol swabs, and a collection tube with a purple top (which contains an anticoagulant).
Verify patient information: Check the patient's identification and ensure that you have the correct patient information, such as name, date of birth, and medical record number.
Prepare the patient: Explain the procedure to the patient and ask for their consent. Position the patient's arm comfortably and apply a tourniquet above the area where you plan to insert the needle.
Clean the site: Clean the site with an alcohol swab and allow it to air dry.
Insert the needle: Hold the needle at a 15 to 30-degree angle and insert it into the vein. Once you see blood in the syringe, pull back the plunger to draw the appropriate amount of blood (usually 1-2 mL).
Remove the needle: Release the tourniquet and remove the needle from the patient's arm. Apply pressure to the site with a cotton ball or gauze until the bleeding stops.
Collect the sample: Transfer the blood from the syringe to the purple-top collection tube and mix it by gently inverting the tube several times.
Label the sample: Label the collection tube with the patient's information, the date and time of collection, and your initials.
Transport the sample: Place the collection tube in a biohazard bag and transport it to the laboratory for analysis.
It is important to follow proper infection control practices throughout the procedure, such as wearing gloves and properly disposing of sharps and contaminated materials.
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3. How can individuals make more sustainable food choices to benefit the environment, animals, and society? Give three examples.
Answer:
A sustainable diet consists mainly of vegetables, legumes, whole grains, certain nuts, and fruits. It avoids most processed foods such as sugar and refined grains. Eating sustainably can include meat and fish that are grown and harvested in environmentally conscious ways.
Explanation:
Which of the following is MOST closely associated with ecotourism?
A water park in California
Hunting grounds in Argentina
A national rainforest in Puerto Rico
A cruise ship in the Caribbean
A jet ski rental shop in Costa Rica
A national rainforest in Puerto Rico is MOST closely associated with ecotourism. The correct answer is c).
Ecotourism is a form of tourism that is focused on responsible travel to natural areas that conserves the environment and improves the well-being of local people. The goal of ecotourism is to educate visitors about the natural and cultural heritage of a particular area and to promote conservation efforts.
A national rainforest in Puerto Rico would be an ideal location for ecotourism because it offers visitors the opportunity to explore a unique and diverse ecosystem while also supporting conservation efforts and providing economic benefits to local communities. In contrast, a water park, hunting grounds, cruise ship, or jet ski rental shop may not be focused on responsible travel or conservation efforts and may have negative impacts on the environment and local communities.
Therefore, the correct answer is c) A national rainforest in Puerto Rico.
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can someone help me with this problem?
1. What gametes would be produced by individuals of the following genotypes
(2pts)?
bbFf
Bbff
BbFf
AaDd
To determine the gametes that would be produced by individuals of the given genotypes, we need to use the principles of Mendelian genetics.
Mendel's law of segregation states that each individual has two alleles for a given trait and that these alleles separate during the formation of gametes, such that each gamete carries only one allele.
Using this principle, we can determine the gametes produced by individuals of the given genotypes as follows:
bbFf: This individual has the alleles b and F on one chromosome, and b and f on the other chromosome. The gametes produced by this individual would be bf and bF.
Bbff: This individual has the alleles B and f on one chromosome and b and f on the other chromosome. The gametes produced by this individual would be bf and Bf.
BbFf: This individual has the alleles B and F on one chromosome and b and f on the other chromosome. The gametes produced by this individual would be BF, Bf, bF, and bf.
AaDd: This individual has the alleles A and a on one chromosome, and D and d on the other chromosome. The gametes produced by this individual would be AD, Ad, aD, and ad.
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Richard knows he's a take-charge kind of person. He is a good student, and knows it is because of his hard work. What type of attribution is he using, and why do you think this is?
Richard is using an internal attribution, as he attributes his success to his own abilities and efforts rather than external factors.
Attribution theory refers to the process by which individuals explain the causes of events and behaviors, including their own. Internal attribution refers to the explanation of behavior in terms of an individual's own abilities, traits, or efforts, while external attribution refers to the explanation of behavior in terms of situational or environmental factors. In the case of Richard, he is using an internal attribution by attributing his success as a good student to his own hard work and abilities, rather than to external factors such as luck or help from others.
This suggests that Richard has a strong sense of control and agency over his own life and achievements, and believes that he can influence the outcomes of his own actions through his efforts and skills. This type of attribution can be empowering and motivating, as it reinforces a sense of personal responsibility and ownership over one's life outcomes.
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Which cognitive expert's theory does the scenario describe? Ashlyn has a dog in her house, but she has never seen a cat. When she visits a friend who has a cat, she notices the animal's fur and four legs and thinks it is a dog. Once learning the animal is a cat, she notes the differences and tells her parents about the new animal she met.
Responses
Lev Vygotsky's cultural-history psychology framework
Lev Vygotsky's cultural-history psychology framework
Jean Piaget's schemata theory
Jean Piaget's schemata theory
Erik Erikson's psychosocial stages
Erik Erikson's psychosocial stages
Lev Vygotsky's pivots theory
Lev Vygotsky's pivots theory
The cognitive expert theory that describes Ashlyn's scenario is the Jean Piaget's schemata theory.
What is the Jean Piaget's schemata theory?
The schema referred to by Jean Piaget is a type of cognitive organization that implies an assimilation as in Ashlyn's example in which since she had a dog with fur and four legs, the other animal, having fur and four legs, would also be a dog but It's not like that, it's a cat.
This type of assimilation is a type of simplified image of a certain scheme which is assimilated without seeing more details than certain simple. The scheme then represents the repetition of an action or image.
Therefore, we can confirm that the correct answer is Jean Piaget's schemata theory, option B.
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Answer:
B. Jean Piaget's schemata theory
Explanation:
Jean Piaget believes that people use schemata to organize and interpret information as they have different experiences throughout life. Children incorporate or form new schemata as they have new experiences to correlate them with, such as seeing a cat for the first time.
What name is giving to the bond between water molecules
What data did the tests on the purfied substance produce? How did this data further support the hypothesis that DNA is the transforming factor?
Answer:
The tests on the purified substance revealed that it contained high levels of phosphorus and very little sulfur. This finding was significant because DNA contains high levels of phosphorus but very little sulfur, while proteins contain high levels of sulfur but very little phosphorus. This data further supported the hypothesis that DNA was the transforming factor, as it suggested that the substance being studied was DNA rather than a protein. This was because the levels of phosphorus found in the purified substance were consistent with what would be expected from DNA, while the levels of sulfur were not consistent with what would be expected from a protein. Therefore, the data from the tests on the purified substance provided strong evidence that DNA was the transforming factor.
please help fast (earth science)
The sedimentary bedrock in both regions originally formed as (1) horizontal layers
It should be noted that layer A is the oldest and layer D is the youngest.
The recently formed rock is siltstone.
How to explain the rocksWe can utilize the principle of superposition to determine the comparative ages of configurations in the strata. This rule affirms that, for a sequence of untouched sedimentary rock layers, the most ancient layer shall be situated at the lowest point and the youngest layer present itself at the highest.
Perusing the diagram, we can glean that layer A is arranged at the base while layer D lies at the peak with layers B and C between them. Ergo, layer A is the oldest and layer D possesses the distinction of being the youngest, making the answer (1) A.
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genetic inheritance life siences grade 12
The image below shows villi within a fold in the lining of the small intestine.
An illustration depicts a series of villi in a fold in the lining of the intestine.
What is the function of folds and villi?
A.
trapping food particles that flow through the small intestines
B.
increasing surface area to improve nutrient absorption between the digestive and circulatory systems
C.
allowing particles in the small intestines to flow from the jejunum to the ileum
D.
expanding volume to increase gas exchange from the respiratory system to the digestive system
The function of the folds and villi in the lining of the small intestine is to increase surface area to improve nutrient absorption between the digestive and circulatory systems.
Therefore, Option b is correct
What is described as the circulatory systems?The circulatory systems is described as the system that contains the heart and the blood vessels and moves blood throughout the body and helps tissues get enough oxygen and nutrients, and it helps them get rid of waste products.
The circulatory system consists of four major components:
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Find every angle of rotation that maps the figure onto itself.
Answer: Assuming the rectangle is not a square, a rotation of 180º, -180º, 360º, -360º will rotate the rectangle back onto itself.
If you want to consider angles beyond 360º, any rotation of k(180º) where k is an integer will work.
If you are looking at that special case of rectangle known as a square, any rotation of k(90º), where k is an integer will do the trick.
Explanation:
Which type of tax are Social Security tax and Medicare tax considered to be?
Answer:
Social Security tax and Medicare tax are considered to be payroll taxes, which are taxes that are withheld from an employee's paycheck by their employer. These taxes are used to fund Social Security and Medicare programs, which provide benefits to eligible individuals such as retirement income, disability insurance, and healthcare coverage.
Explanation:
Which of the following is not a suggested strategy for detecting a communicable disease?
Get tested at a doctor's office for suspected infectious disease.
Investigate the source of exposure to a communicable disease.
OUse a pedigree chart to track the disease through family members.
OUse contact tracing to detect a disease moving through a community.
The suggested strategy for detecting a communicable disease that is NOT accurate is: Use a pedigree chart to track the disease through family members.
What are the communicable disease?While a pedigree chart can be useful in understanding the inheritance of genetic diseases, it is not a recommended strategy for detecting a communicable disease.
Therefore, The other options mentioned in the question (getting tested at a doctor's office for suspected infectious disease, investigating the source of exposure to a communicable disease, and using contact tracing to detect a disease moving through a community) are all valid strategies for detecting and controlling the spread of communicable diseases.
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A 0.21 kg book sits on a library shelf 1.5 m above the floor how much kinetic energy does it have
The book has a potential energy of 3.09 Joules due to its position above the floor
To solve this problem
It has no kinetic energy. But because it is above the ground, it has potential energy. The following formula determines an object's potential energy (PE) as a result of its location in relation to a reference point:
PE = mgh
Where
m is the mass of the object g is the acceleration due to gravity (9.81 m/s^2 near the surface of the earth) h is the height of the object above the reference pointIn this instance, the book weighs 0.21 kg, is 1.5 m above the ground, and has a g of 9.81 m/s2. When these values are added to the formula, we obtain:
PE = (0.21 kg) x (9.81 m/s^2) x (1.5 m) = 3.09 J
Therefore, the book has a potential energy of 3.09 Joules due to its position above the floor.
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What needs to be true about the positions of the Sun, the Moon, and Earth in order for us to see the full Moon lit up?
Answer:
For us to see the full Moon lit up, the positions of the Sun, the Moon, and Earth must be in a specific alignment known as the "syzygy." This occurs when the Earth is located between the Sun and the Moon, with the Moon on the opposite side of the Earth from the Sun.
During this alignment, the Sun's light shines directly onto the entire face of the Moon that is visible from Earth, illuminating it fully and making it appear as a bright, circular disk. This is because the Moon does not produce its own light but reflects the Sun's light back to us on Earth.
It's important to note that the full Moon is visible from Earth for only one night, but it can appear almost full for several nights before and after the actual full Moon due to the angles between the Sun, the Moon, and the Earth changing over time.
Explanation:
If a person has a genetic predisposition for Type II Diabetes, what could they do to help lower their risk of developing it? A. Live a low exercise lifestyle B. Eat less carbohydrates C. Eat more carbohydrates D. Eat more protein
The option that would help lower the risk of developing Type II Diabetes for a person with a genetic predisposition is B. Eat less carbohydrates.
What are the carbohydrates?
Eating a diet that is high in carbohydrates, especially refined carbohydrates such as white bread, pasta, and sugary drinks, can lead to elevated blood sugar levels and increase the risk of developing Type II Diabetes. On the other hand, reducing carbohydrate intake and replacing them with healthier options such as whole grains, fruits, and vegetables can help to regulate blood sugar levels and reduce the risk of developing diabetes.
Furthermore, a diet that is low in carbohydrates and high in healthy fats and proteins can also help with weight loss and improve insulin sensitivity, which are important factors in reducing the risk of developing Type II Diabetes.
It is important to note that while diet is a crucial factor in managing the risk of developing Type II Diabetes, it should be combined with other healthy lifestyle habits such as regular physical activity, maintaining a healthy weight, and managing stress levels for maximum benefits.
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Complete question is: If a person has a genetic predisposition for Type II Diabetes, they could Eat less carbohydrates to help lower their risk of developing it.
Which of the following landforms results from erosion by glaciers and flowing water
Describe the roles played by stomata and guard cells. What would happen to a plant if these cells did not function correctly?
Answer:
Stomata allow gases to enter and exit the plant. Guard cells regulate the opening and closing of stomata. If these cells did not function correctly, a plant could not get the carbon dioxide needed for photosynthesis, nor could it release the oxygen produced by photosynthesis.
Explanation:
Are the following statements a form of Active or Passive Transport?
Gas moves from one corner of a room to be evenly distributed across the whole room
Chlorine Ions are moved from an area of low concentration to high concentration
No ATP is used for transport
Passive Transport
Energy is used
Water moves from an area of low concentration to high concentration
Carrier proteins allow large molecules to move down their concentration gradient
Glucose is allowed to come into the cell with sodium after the cell has used energy to push sodium outside
Gas moves from one corner of a room to be evenly distributed across the whole room - Passive Transport
Chlorine Ions are moved from an area of low concentration to high concentration - Active Transport
No ATP is used for transport - Passive Transport
Water moves from an area of low concentration to high concentration - Passive Transport
Carrier proteins allow large molecules to move down their concentration gradient - Passive Transport
Glucose is allowed to come into the cell with sodium after the cell has used energy to push sodium outside - Secondary Active Transport (also known as Coupled Transport)
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PLEASE ANSWER ASAP THROUGHLY FOR BRAINLIEST
Based on your instructions, it seems that the purpose of this lab is to investigate the universal law of gravitation through hypothesis and experimentation.
What is the law of gravitation about?The law of gravitation is a scientific law that describes the force of attraction between two objects with mass. It was first introduced by Sir Isaac Newton in his work "Philosophiæ Naturalis Principia Mathematica" in 1687.
The law states that every object in the universe attracts every other object with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. This force is known as the gravitational force.
Students are expected to observe and record their observations of the Omer system, analyze the data, and draw conclusions about the system's behavior based on the principles of universal gravitation. Ultimately, the goal of this lab is to help students understand the fundamental laws that govern the behavior of celestial bodies in space.
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Look at the Punnett square above. Mom and dad are both heterozygous - which means they both have 1 dominant gene and 1 recessive gene.
What is the phenotype ratio (physical trait) for their offspring?
The phenotype ratio for the offspring of heterozygous parents are 3:1.
What is phenotype ratio?Phenotype ratio is a ratio that describes the relative number of individuals in a population that display a particular observable trait or phenotype. In genetics, phenotype ratio is often used to describe the outcomes of genetic crosses or experiments.
For example, in a simple dominant-recessive inheritance pattern, a cross between two heterozygous individuals (Aa x Aa) will result in a 3:1 phenotype ratio, with three individuals showing the dominant trait (AA or Aa) and one individual showing the recessive trait (aa). Phenotype ratios can vary depending on the genetic traits involved and the environmental factors that affect their expression.
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2. Animals which share the same space must compete for resources. Which answer is the best example of this?
A. The cattle egret will stay close to grazing animals. When grazing animals move, they stir up insects, which the egret then eats.
B. Some species of orchid look like a female bee. This attracts male bees, who leave pollen so that the orchid can reproduce.
C. Humans cut down forests and built roads in the Florida Everglades. The Florida panthers living there had less territory and their population declined.
D. Rhesus monkeys were released into the wild along Florida's Silver River. The monkeys have adapted to the environment and have lived there for over eighty years.
what would happen if cells stop to respire?
Explanation:
the electrons flow throw it
How are the functions of the smooth and rough ER differentiated?
Explanation:
The rough ER, studded with millions of membrane bound ribosomes, is involved with the production, folding, quality control and despatch of some proteins. Smooth ER is largely associated with lipid (fat) manufacture and metabolism and steroid production hormone production. It also has a detoxification function.
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What does these terms mean please?
what is the basic concept behind relative age dating of fossils a the Upper Rock layers were deposited earlier in the Lower Rock layers b the Lower Rock layers were deposited earlier than the Upper Rock layers c the older fossils contain relatively higher levels of radioactive d the younger fossils contain relatively higher levels of radioactive isotopes in the older fossils
The basic concept behind relative age dating of fossils is that the Lower Rock layers were deposited earlier than the Upper Rock layers. This is because the principle of superposition states that in an undisturbed sequence of sedimentary rocks, the oldest rocks are at the bottom, and the youngest rocks are at the top. As a result, fossils found in the lower layers are generally older than those found in the upper layers. This method of dating does not rely on measuring radioactive isotopes or other methods that require absolute dates, but rather on the relative position of the fossils within the layers of rock.