Which statement best describes glucose?
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Answer:
The answer is the third one; It is organic because it dissolves in water.
Explanation:
Final answer:
Glucose, a monosaccharide with the formula C6H12O6, is the chief source of energy for both plants and animals. In plants, it is produced by photosynthesis, while in the body, glucose is broken down via glycolysis to form ATP, the body's primary energy molecule. Excess glucose is stored as glycogen in the liver.
Explanation:
The statement that best describes glucose is that it is a monosaccharide with the chemical formula C6H12O6 and is the body's most readily available source of energy. Glucose is pivotal for the energy requirements in both plants and animals. In plants, glucose is synthesized using carbon dioxide and water during the process of photosynthesis, and excess glucose is stored as starch.
In the human body, glucose enters the cells via the circulatory system. Here, through a series of reactions known as glycolysis, glucose is broken down, which helps in the formation of adenosine triphosphate (ATP), an essential molecule that provides the energy required for several cellular functions. Any excess glucose is stored in the liver as glycogen.
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2. A pot-bellied pig came to the zoo underweight and malnourished. Since then, zookeepers have been following a special diet to improve the health of the pig. What can be inferred from the data in the graph?
3. Identify which of the following descriptions of a tree is quantitative?
4. Some of the following descriptions of pea plants are qualitative and some are quantitative. Which of the descriptions are qualitative?
5. One night while sleeping, you are woken up by a car alarm going off. What can you infer about this situation?
6. Which of the statements below are quantitative observations?
7. Which of the following statements is a qualitative observation about the beakers shown in the diagram?
Answers
Answer:
The answers to the questions are
1. The blemishes are cyclic in their appearance and disappearance (D)
2. The diet is working because the pig's weight has steadily increased (D)
3. The leaves are 8-10 cm long (B)
4. 1 and 3 (A)
5. The car is being burglarized (C)
6. VI and VII (A)
7. The liquid in both beakers is clear (B)
Explanation:
Before going to explain each of the choices let us take a look at the terms Observation and Inferrence.
In scientific experiments, observation is recording of perceived scientific data using scientific instruments, while Inferrence is the use of observed data and previous knowledge to arrive at a conclusion. Bearing this in mind, let me explain each of the choices one after the other
1. The deduction that can be made with the sets of results seen from the graph, but is not a direct result from the graph is that the pattern of appearance and disappearance of the blemishes show a cyclic pattern which is seen in the peak and trough of the blemishes as the daysame pass, which is similar to a wave form, so it is expected in the next 10 days (Days 11 to 20) for the shape of the graph to resemble that of days 1-10. Whereas the other options are not inferred, they are data gotten directly from the plot which were recorded
2. From the data in the graph, it is seen that from January through may, the recorded weights rout 41kg, 54kg, 61kg, 69kg and 73kg respectively, showing a steady increase in the weight of the pig as the months passed, which is a result of the diet plan for the pig.
3. It is important to note that a quantitative data is one that has a specific number or counts associated to it. It has a numerical value examples are 1, 20° etc., while qualitative data is also called non-numeric data which simply means data that do not have specific numbers or counts but are in form of categories examples are colours, white, black etc. Hence the answer here is leave length of 8-10cm because it has numeric value hence it is quantitative.
4. Yellow and moderate are terms for qualitative data because they are non-numerical hence the answer
5. If you check back on the explanation I gave earlier on Inferrence, which essentially makes use of observed data and previous knowledge, you can conclude that the car is being burglarized because the alarm went off, and car alarms go of if the car is tampered with, and because it happened at night, there is a big chance a burglary was involved.
6. 86° and 67° are numerical values hence they are quantitative
7. It is seen from the diagram that the liquid in both beakers is clear, and clarity is a non-numerical data, which makes it qualitative. Whereas option A is wrong because absorption of heat from the sun will increase the temperature of the liquid A and black tops absorb more liquid than white tops. Option C mentions 40 degrees Celsius which is quantitative data. While option D is wrong because there is nothe enough information from the diagram to conclude that the thermometers measure in degrees celcius.
Answer:
1. D (explanation: all the other choices you are able to "observe" on the chart)
2. D (explanation: you are able to see the pig's weight go up on the chart to see that the diet is working)
3. B (explanation: because it shows "number")
4. A (explanation: because it shows the description of what is being observed)
5. C (explanation: you can only assume that the car is being burglarized because the alarm is going off)
6. A (explanation: you are observing "numbers")
7. B (explanation: you are able to see the clear liquid--everything else is not observable because there are no markings to show what each one is describing)
Explanation:
Answers
Alternating current (AC) and direct current (DC) are notable for inspiring the name of an iconic metal band, but they also happen to sit right at the center of the modern world as we know it. AC and DC are different types of voltage or current used for the conduction and transmission of electrical energy.
Electrical current is the flow of charged particles, or specifically in the case of AC and DC, the flow of electrons. According to Karl K. Berggren, professor of electrical engineering at MIT, the fundamental difference between AC and DC is the direction of flow. DC is constant and moves in one direction.
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The answer is organ systems, Hope it helps!
Both would be represented as completely shaded circles.
Both would be represented as completely shaded squares.
The older brother would be a shaded square, while the younger brother would be a half-shaded square.
Both would be represented as unshaded squares.
Answers
Answer:
The correct option is B) Both would be represented as completely shaded squares.
Explanation:
A pedigree can be described as a chart or a diagram which reflects the occurrence of a particular phenotype from one generation to another in a family. It determines the family history for a trait.
In a pedigree, males are usually drawn as squares. A male who is carrying a disorder or a particular phenotype under study is represented by shading the square. A male who is a carrier for the trait under study is represented by lines on the square. Hence, option B is correct.