Neurons use electrical and chemical signals to communicate with other neurons and with effector cells, which are muscle cells and glands. They do so through synapses where neurotransmitters are released to convey signals.
Neurons communicate with other neurons and stimulate effector cells which includes both muscle cells and glands.
Neurons are excitable cells capable of creating tiny electric currents to transmit signals. They consist of dendrites, a cell body, and an axon. The dendrites carry information toward the cell body, and then the signal travels along the axon to reach either another neuron or an effector cell. At the point of contact, which is the synapse, neurotransmitters are released to convey the signal to the next cell. Muscle cells and glands are common targets for these signals, ultimately resulting in motion or secretion, respectively.
The communication between neurons, and from neurons to effector cells, is essential for the nervous system to control body functions, ranging from the simple reflex action to complex behaviors and cognitive processes.
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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Why is it important to control the variable in an experiment?
The importance of carbon what would most likely happen to the carbon cycle if there were no more plants on earth?
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.
List the levels of organization of the body from most to least complex
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.
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.
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.
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?
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.
The main homeostatically regulated compartment of the body is __________.
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
How does the respiratory system facilitate excretion of wastes?
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.
“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.
The author indicates that caloric reduction extends the life of a mammalian cell by
pizza that has been held for more than 4 hours at room temperature must be
CAN SOMEONE READ OVER THIS EXPERIMENT FOR BIOLOGY AND TELL ME IF IT MAKES SENSE....?
For this experiment with both slides they were viewed at 400x total magnification with a slightly zoomed in on the coarse adjustment (however I totally forgot to write these down.) The onion root looked slightly like a brick wall with tiny dots inside of it (the nuclei). The cell walls were not clear however the nuclei was very clear...
Prophase: The chromosomes are condence and become visable for the very first time during this cycle. The fibers begin to form and the membrane begins to disintegrate.
Metaphase: The fibers attach to the center of each sisters chromosomes. They then align in the center of the cell. The nuclear membrane disingrates completely.
Anaphase: The center begins to split and the sister chromosomes then migrate towards the other sides of the cell.
Telophase: The chromosomes are now clustered on both ends of the cell. The membrane is now reforming itself. The cell plate begins to form between both daughter nuclei. This is then followed by something called cytokinesis.
I now changed my slides to the whitefish blastula.
Viewing at a 400x magnification the cell shape stayed pretty much similar and they still had a circle like shape to them. In one certain cell, the chromosomes that had lined up in the previous stage, had broken apart from their duplicates and had headed into a different centriole. The stage the cell is now in is the anaphase. When observing the whitefish for the stage of telophase, the shape stayed the same as well except for one cell which is currently in the telophase stage. The cell that is in the different stage looked like two different circle cells that joined one another. This stage the chromosomes reached the center and a nuclear membrane than began to form around each nuclei.
30% of the cells are in the prophase stage
5% of the cells are in the metaphase stage
5% of the cells are in the anaphase stage
5% of the cells are in the telophase stage
35% of the cells are in a stage of mitosis
In this conclusion I see that the hypothesis is right. It states that cells will go thru multiple stages of mitosis in their lifetime and they surely do! It also states that we (the viewer) would be able to see the different slides in one stage of mitosis. We were able to see this as well. The other thing I would like to state is that the slides used for the microscope were not large or very clear, but it was good enough to sort of have the idea of what is going on. I have learned that both of the slides are continuously reproducing and creating new and different cells and I was able to learn how to calculate the percentage of cells in the different stages.. I was able to learn a lot from this experiment and I was also able to learn more about a microscope then what I already knew. If I could change this experiment I really would not in any way. It was simple and fun to learn about the different cells and the different ways that they move and the ways they reproduce.
Answer:
Its good
Explanation:
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
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.
Biology 1 Course - McDougal Litell Biology Book: "Describe the similarities and differences among images from light microscopes, scanning electron microscopes, and transmission electron microscopes
Which of these people is most closely related to the theory of gravitation?
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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A fine-grained soil deposited by wind is called _________, while a large region of sand is called a(n) _________.
A. erg; loess
B. loess; erg
C. desert; lichen
D. lichen; desert
Answer: B. loess; erg
Explanation:
Loess is a a type of soil which exhibit fine grained silt sized particles. It is formed by the accumulation of the wind blown dust. The 10% of the total land of earth is occupied by this type of soil. It consists of about 20-50 micrometer sized particles, 20% of the clay and balanced parts of sand and silts.
The erg can be define as the broad flat area of the desert which is occupied with the sandy soil. It exhibit little or no vegetation cover. The world largest erg is Sahara desert (African continent).
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.
describe the location and function of the patron system
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:
A chemical that, in relatively small amounts, produces injury when it comes in contact with skin tissue is known as:
a. a corrosive
b. an explosive
c. a flammable liquid
d. a radioactive material
A chemical that, in small amounts, produces injury when it contacts skin is termed as a 'corrosive'. These include substances like sulfuric acid and sodium hydroxide. Always handle corrosives with caution to avoid injury.
Explanation:In the context of chemistry, a substance that can cause injury to skin tissue when even a small amount comes into contact with it would generally be referred to as a corrosive. Corrosives are substances that cause destruction to living tissue upon contact. Examples include substances like sulfuric acid, sodium hydroxide, and hydrochloric acid. It's important to remember that corrosive materials should always be handled with caution to prevent injury.
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How is an enzyme, Pepsin, able to break down dietary fat in the stomach? Please help me. I'm confused.