Which of these hydrocarbons has a double bond in its carbon skeleton?
a. C3H8
b. C2H6
c. CH4
d. C2H4
(I don't know how to find out if their is a double bond based on the molecular formula)
Option d (C2H4) is the hydrocarbon that has a double bond in its carbon skeleton.
Explanation:In order to determine if a hydrocarbon has a double bond in its carbon skeleton, we can analyze its molecular formula. A hydrocarbon with a double bond will have the general formula CnH2n. In this case, the options are:
a. C3H8 - This does not follow the general formula for a hydrocarbon with a double bond.b. C2H6 - This does not follow the general formula for a hydrocarbon with a double bond.c. CH4 - This does not follow the general formula for a hydrocarbon with a double bond.d. C2H4 - This follows the general formula CnH2n and therefore has a double bond in its carbon skeleton.Based on the analysis, option d (C2H4) is the hydrocarbon that has a double bond in its carbon skeleton.
Which type of movement occurs in the intercarpal joint in the wrist? which type of movement occurs in the intercarpal joint in the wrist? opposition rotation gliding abduction/adduction?
The answer is gliding movement. The intercarpal joints are the articulations in the middle of the individual carpal bones. They are also known as plane synovial joints. This is one example of a gliding joint. These allow the bones to glide past one another in any course along the plane of the joint – up and down, left and right, and crosswise.
The movement that occurs in the intercarpal joint in the wrist is known as a gliding movement, allowing bones to slide over each other with little rotation. The correct option is: gliding
Type of Movement in the Intercarpal Joint in the Wrist
The movement that occurs in the intercarpal joint in the wrist is primarily a gliding movement. This type of movement is characterized by relatively flat bone surfaces sliding past each other, allowing for very little rotation or angular movement. Specifically, in the intercarpal joint, these gliding movements permit the bones to move slightly over one another, facilitating the complex motions necessary for the wrist's diverse range of activities.
Gliding joints, like those found in the wrist, enable the bones to flex and make small side-to-side motions. This action is essential for the fine motor skills required for tasks such as typing or playing a musical instrument.
What part of the brain is responsible for processing information about bodily sensations?
The importance of carbon what would most likely happen to the carbon cycle if there were no more plants on earth?
A farm pond, usually dry during winter, has plenty of water and aquatic pond life during the summer. one summer, sarah returns to the family farm from college. observing the pond, she is fascinated by some six-legged organisms that can crawl about on submerged surfaces or, when disturbed, seemingly "jet" through the water. watching further, she is able to conclude that the "mystery organisms" are ambush predators, and their prey includes everything from insects to small fish and tadpoles. sarah observed that the mystery pond organisms never come up to the pond's surface. if she catches one of these organisms and observes closely, perhaps dissecting the organism, she should find
Answer:
I am confused
Explanation:
Why is it important to control the variable in an experiment?
describe the location and function of the patron system
If the sequence in the coding strand of dna for a particular amino acid is 5'agt3', then the anticodon on the corresponding trna would be ________.
The anticodon on the corresponding tRNA would be 5'uga3'.This anticodon binds to the codon on the mRNA during protein synthesis.
Explanation:The coding strand of DNA is the strand that is used as a template to make the mRNA molecule.
In the coding strand, the sequence 5'agt3' corresponds to the sequence 3'tca5' in the template strand.
The anticodon on the tRNA molecule that pairs with the codon 3'tca5' is 5'uga3'.
This anticodon binds to the codon on the mRNA during protein synthesis.
Temperature Change Burning Food
Food sample Mass of Food (g) Starting Water Temperature (C) Final Water Temperature (C)
Saltine Cracker 2 22 23.5
Pecan 2 22 30.5
Dorito chip 2 22 28.0
Peanut 2 22 29.0
Cheeto 2 22 24.5
All foods contain chemical energy, but the amount of chemical energy is dependent of the type of food. The larger the compound, the more chemical bonds, and the greater amount of available chemical energy. We refer to the stored chemical energy in foods as calories. A calorie is the amount of energy required to raise the temperature of 1 gram of water 1 degree Celsius. When we refer to the calories in food, we are really talking about kilocalories or 1000 calories.
Biology students used calorimetry to determine the energy provided by various food samples. They picked food samples of the same mass, 2 grams, and then set the food on fire using kitchen matches. The heat energy of the flaming food was used to heat 100 mL of water. Student results can be seen in the chart above.
What is one condition that may have reduced the accuracy of the temperatures recorded by the student groups?
A) type of foods used in the experiment
B) placement of thermometers in the cans
C) mass of food items used in experiment
D) amount of water measured into the cans
Answer: Option B
Explanation:
The placement of thermometers in the cans be a condition in which the accuracy can be reduced.
Calorie can be defined as the the energy required to raise the temperature of one gram by one degree Celsius.
The weight of the different foods is kept same and the initial temperature is also kept same.
The placement of thermometer should be accurate in order to get the accurate result free of error.
How does eye location best represent the relationship between structure and function? A It determines how much of the surrondings an organism can see B It determines how an organism responds to changes in the length of day C It indicates the maximum height an organism can reach D It affects how an organism interacts with others in its population
It indicates the maximum height an organism can reach
Salivary amylase is released in the mouth where it breaks down sugars. however, it is inactive once it reaches the stomach where ph is quite low. knowing the effect of ph on enzyme function, select all that describe why this happens.
which of the following was rudolf Virchow's contribution to our understanding of cells
The correct answer is all cells are generated from the pre-existing cells.
Rudolf Virchow was a German pathologist, doctor, and anthropologist well-familiar for his work in the development of cell theory. He is known as the father of pathology. He is accredited with many essential findings.
He is famous for his scientific contribution in cell theory as he was one of the first to demonstrate that the origin of the cells had taken place from the differentiation of the pre-existing cells.
Researchers have difficulty ascertaining the relationship between testosterone and human aggression because
a. testosterone levels fluctuate dramatically in response to environmental stimuli.
b. neurotransmitters complicate matters by also affecting human behavior.
c. only males produce testosterone, and it cannot explain female aggression.
d. both a and b are correct.
Describe the major differences in acute versus passive range of motion (rom) when distinguishing between an articular and nonarticular joint issue.
The major difference between an acute and passive range of motion based on the articular and non-articular problem is that:
In articular problems, active and passive range of motion is restricted. In non-articular problem, only articular range of motion is restricted.
Further Explanation:
The joints are formed by the articulation of the two or more bones and muscles. These joints are the characteristics of the range of motion. The articulation of the bone type determines the type of movement. The articular structure is consisting of synovial fluid, synovium, intra-articular ligaments, articular cartilage, and joint capsule. Bone, muscle, nerve, tendons, ligaments are non-articular structure.
Articular problems are described by swelling, diffuse pain and a very limited range of motion on passive and active movement. Non-articular problems are more painful in the active range of motion, whereas no pain in passive motion.
To examine the active range of motion, a doctor asked a client to move their body. There is no external force or pressure is applied to the body, whereas in a passive range of motion, an external force is applied to move the body. In the case of a particular problem, there is a restriction in the movement of joints.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Musculoskeletal system
Keywords:
Joint, bone, swelling, active, passive, range, motion, pain, body, limited, restriction, movement, bones, articulation, nerve, bone, synovial fluid.
“lord randall” is an example of a ballad whose structure is
Final answer:
The structure of “Lord Randall” is a traditional ballad form, consisting of four-line stanzas or quatrains with an ABCB rhyme scheme and a rhythmic pattern of alternating iambic tetrameter and trimeter.
Explanation:
“Lord Randall” is an excellent example of a traditional Anglo-Scottish ballad. The ballad's structure typically employs four-line stanzas known as quatrains, with an ABCB rhyme scheme where the second and fourth lines rhyme.
The rhythmic composition often follows a pattern of alternating lines of eight and six syllables, which is characteristic of iambic tetrameter alternating with iambic trimeter.
This structure contributes to the musical quality of ballads, which were traditionally sung, often a cappella or with simple instrument accompaniment, and passed down orally from one generation to another to tell a story, usually containing a lesson or moral.
The repetitions and parallelisms in the dialogue of “Lord Randall” help to advance the narrative and are a hallmark feature of balladic storytelling.
Some of the drugs used to treat hiv patients are competitive inhibitors of the hiv reverse transcriptase enzyme. unfortunately, the high mutation rate of hiv means that the virus rapidly acquires mutations with amino acid changes that make them resistant to these competitive inhibitors. where in the reverse transcriptase enzyme would such amino acid changes most likely occur in drug-resistant viruses?
D. A few drug-resistant viruses were present at the start of treatment and selective pressures increased their frequency.
if youre on usatestprep
Something caused by injury is termed iatrogenic. true false
Answer: True
Explanation:
The action or allergy which results in injury or illness caused by the activity of physician or a medical therapy can be termed as iatrogenic. This is common among patients of surgery. Thue this can be said that the given statement is true.
Tascha is on a medication that increases the pH of the stomach and makes it alkaline. What is the effect of this medication?
The medication hampers bile production.
Pepsin is unable to break down proteins.
Stomach cells secrete more mucus to combat it.
Lipase is unable to break down fats.
The medication hampers mechanical digestion.
The medication hampers bile production medication that increases the pH of the stomach and makes it alkaline. Thus, the correct option is A.
What is bile?The liver cells secrete bile, a greenish-yellow fluid made up of cholesterol, waste products, and bile salts, to serve two main purposes: to transport trash away. to digest fats by breaking them down.
Patients with obstructive jaundice or cholestasis have higher serum and liver bile acid levels, which may be harmful to hepatocytes due to their natural detergent properties. Therefore, some of the liver damage in cholestatic liver disorders may be attributed to elevated bile acid levels in hepatocytes.
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Food manufacturers often round the amount of calories in a food serving up or down. in this nutrition facts panel from a one-ounce serving of chips (about 12 chips), the manufacturer says there are 160 calories. if that same food label says there are 10 grams of fat, 14 grams of carbohydrate, and 2 grams of protein, how many calories are really in one serving?
The author indicates that caloric reduction extends the life of a mammalian cell by
Which of these people is most closely related to the theory of gravitation?
How is an enzyme, Pepsin, able to break down dietary fat in the stomach? Please help me. I'm confused.
How can carbon dioxide be considered a pollutant when it is a natural component of air?
a.
Carbon dioxide is considered a pollutant even though it is a natural component of air, because it is harmful to all living organisms.
b.
Carbon dioxide is considered a pollutant when larger concentrations than normal are present in the air as a result of human activity.
c.
Carbon dioxide is considered a pollutant, because it forms harmful chemicals when mixed with other pollutants in the air.
d.
Carbon dioxide cannot be considered a pollutant under any circumstances.
How does the respiratory system facilitate excretion of wastes?
The main homeostatically regulated compartment of the body is __________.
What type of map would most likely be used to show distribution of soybean farms in Illinois
Thematic map is the type of map that would most likely be used to show distribution of soybean farms in Illinois.
A thematic map is a type of map that is specially created to display a certain theme or topic associated with a particular geographic area. A thematic map gives special importance to a certain topic such as the average distribution of rainfall in a particular area. This map uses natural features like political boundaries, coastlines, rivers, and city locations as reference points to improve an individual’s understanding of the map's purpose and topic. Types of thematic map include; choropleth map, dot map, contour map, dasymetric map, and graduated symbols.
Genetic disorders can result when sister chromatids fail to separate properly. during which phase is this problem most likely to occur?
__Answer__
D. Mitosis
Is your correct answer
What best describes the temperature at which a solid turns into a liquid? Melting point Boiling point Electrical conductivity Thermal conductivity
Answer: Melting point
Explanation:
Melting point is the temperature at which solid state gets converted to liquid state.
[tex]H_2O(s)\rightarrow H_2O(l)[/tex]
Boiling point is the temperature at which vapor pressure of the liquid becomes equal to atmospheric pressure. It is the temperature at which liquid state gets converted to gaseous state.
[tex]H_2O(l)\rightarrow H_2O(g)[/tex]
Electrical conductivity is the property of a material that characterizes a material how easily it can conduct electricity.
Thermal conductivity is the property of a material that characterizes a material how easily it can conduct heat.
The temperature at which a solid turns into a liquid is called the melting point.
Explanation:The temperature at which a solid turns into a liquid is called the melting point. This is a characteristic property of a substance and represents the temperature at which the intermolecular forces holding the solid together are overcome and the particles start to move more freely.
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Biology 1 Course - McDougal Litell Biology Book: "Describe the similarities and differences among images from light microscopes, scanning electron microscopes, and transmission electron microscopes
what are the outer limits of the ph scale how low and high does it go and what does this mean
Pure fuming sulphuric acid has a pH somewhere around -1. Except the idea becomes somewhat silly because there are no water molecules to protonate.
I don’t know what the strongest base is, around the 14 mark.