The role of Langerhans cells is that they prevent pathogens from entering the body using antibacterial agents.
What are Langerhans cells?Langerhans cell is a dendritic cell of the skin and mucosa, containing Birbeck granules, and present in all layers of the epidermis but most prominent in the stratum spinosum.
Langerhans cells play important roles in the immune system by acting as the outermost guard of the cutaneous immune system where they induce the first reactions against pathogens encountered via the skin.
Therefore, the role of Langerhans cells is that they prevent pathogens from entering the body using antibacterial agents.
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Answer: 3.identify pathogens that enter the body and carry them to lymph nodes for destruction
Explanation:
Immigration will cause a population to increase if
A. the birth rate is greater than the death rate
B. the birth rate and death rate are balanced
C. the birth rate doubles and the death rate does not
D. the death rate is greater than the birth rate
Answer:
If the birth rate is greater than death rate.
12. What group of organisms are most in danger of extinction?
those with small populations
both a and b
those with large populations that breed quickly
those that migrate or need special habitats
Answer:
Both A and B
Explanation:
Which plant cells might not contain any chloroplasts?
Answer:
roots
Explanation:
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What is the difference between geophysical and geochemical testing
Answer:Geochemistry is about the chemical connection with the earth. On the other hand, geophysics is concerned with the physical relation with the earth.
Explanation:
cientists tried inserting the jellyfish gene that codes for luminescence into bacteria. Not all bacteria where transformed. Which bacteria were transformed?
a Only the bacteria that glow in the dark were transformed.
b Both glowing and non-glowing bacteria were transformed.
c Only the bacteria that can now survive in the sea were transformed.
d Only the bacteria that do not glow in the dark were transformed.
Answer:
a. Only the bacteria that glow in the dark were transformed.
Explanation:
If the bacteria can now glow in the dark, they have been transformed. If not, they have not been transformed.
Why is the communication results circle linked to the circle labeled science and society
Answer:
Because these circles have three factors that are directly interconnected.
Explanation:
As you know, communication is one of the primary factors for the creation and maintenance of societies. Societies grow and develop with communication as a starting point and a link between people and the actions that a society lives.
Science, in turn, is also directly influential in the creation and development of society, since it is a transforming factor that shapes society through its constant evolution.
As science evolves, society changes and communication must accompany these changes, so that both society and science continue to exist.
For this reason, we can say that the circle of communication results is linked to the circle called science and society, because these factors are directly interconnected.
6.
Water rises in the xylem tubes due to
photosynthesis.
respiration
gravitation pull.
transpiration pull.
Tul
My answer to the question is Transpiration pull.
Compare the characteristics of nitrogen fertilisers that are used for
broadcasting with a phosphate fertiliser that is insoluble in water??
Answer:
Nitrogen is mobile while phosphorus is immobile in the soil.
Explanation:
Nitrogen fertilizers are those fertilizers which provide nitrogen to the plants that is required by plants for the formation of amino acids. It increases vegetative growth of plant. Nitrogen fertilizer is highly mobile due to soluble in water and contaminated the underground water by leaching while phosphorus fertilizer are those fertilizer which provide second macro-nutrient i. e. phosphorus to the plants. Phosphorus is a vital component of energy molecule such as ATP. It is insoluble in water so it is immobile. Only 20 % of the applied phosphorus fertilizer is available to plants.
____is associated with deamination of protein
Answer:
Deamination is the removal of an amino group from a molecule
Deamination is associated with deamination of protein
Answer:
in humans , deamination takes place primarily in the liver, it can also occur in the kidney. if there's excess protein intake , deamination is used to break down proteins with amino acids for energyREAD THE CHAPTERS 1, 2, 3, 4,5 FROM THE BOOK 1 JOHN IN YOUR BIBLE AND ANSWER THE FOLLOWING QUESTIONS: ¿Why did John write this epistle? (1:4, 2:1, 2:26) ¿In this epistle, what did John say that God is and begins with the letters "L" and "L"? (1: 5, 4: 8) What kind of person does Juan call a liar or one who lies? (1:10, 2: 4, 22) What did Juan say his hands had felt? (1: 1) What did John say that cleanses us from all sin? (1: 7) If a Christian sins, what should he do? (1: 9) Everything in the world, what does Juan say it is? (2:16) How did Juan call his readers? (2:12, 13) How does John define sin? (3: 4) What does John say about those who are born again? (3: 9) What Old Testament character does John use as an example of those who do not love one another? (3:12) What does Juan call the person who hates his brother? (3:15) How does John say that we should love? (3:18) Why should we not believe every spirit, but rather test the spirits if they are from God? (4: 1) Who or what is greater than the one in the world? (4: 4) What does John say about the commandments of God? (5: 4) Who are the three who bear witness on earth? (5:8) What are the two word phrases that John used at least five times in the last chapter of I John? (5: 2,15,18-20) What does John say we should guard against at the end of this epistle? (5:21)
Answer:
so1: he wrote that their joy may be complete,that they may not sin and also that they may not be deceived.
2:John says that God is light and love
3:so John calls a liar whomever says that they have not sinned or say they know Jesus but don't obey his commandments or denies that Jesus is the Christ
4:I guess is the manifestation of God's word through Jesus Christ
5: the blood of Jesus cleanses us from all sins
6:a Christian should confess their sins
7:everything of this world,lust and pride,are not of God but of this world
8:he called them little children and father's
9:he defines sin as lawlessness
10:he says that none of them commit sin but God's nature abides in the person therefore for those born of him can't commit sin
11:he used Cain who murdered his brother
12:he calls them a murderer
13:he says that we should love in deed and I'm truth
14: because of the presence of many false prophets in the world
Answer:
what he said.how did you type all of that in one sitting
What are two ways that society affects the progress of science?
Answer:
Technology usually affects society more directly than science because it solves practical problems and serves human needs (and may create new problems and needs). In contrast, science affects society mainly by stimulating and satisfying people's curiosity and occasionally by enlarging or challenging.
Explanation:
Endometriosis occurs when endometrial tissue, which normally grows inside the uterus, grows outside the uterus. Based on the model, what effects would you expect these growths to have on the female reproductive system and on fertility?
Answer:
Endometrosis could negatively affect the probability of gestating an embryo if they are growing inward. The affection of the fallopian tubes and the uterus could alter the implantation or even generate complications for the embryo during pregnancy.
In addition, endometriosis generates painful conditions in the abdominal area to the point that it is considered as menstrual cramps during menstruation, women who suffer from this disease suffer a lot during the menstrual cycle.
Regarding the reproductive system, those female reproductive systems that suffer from this disease are considered potentially malignant, since many malignant neoplasms are incited to appear in these foci of excessive proliferation of the endometrium.
Explanation:
Endometriosis can affect the walls of the fallopian tube and the uterus, since it occurs in the endometrium, that is why it bears that name.
The macroscopic appearance of this lesion at the histological level is a tumor nodule, since they are proliferative foci.
Answer:
abnormal tissue growing on the ovaries might affect ovulation, making it harder or impossible for women to get pregnant. The extra tissue may cause pain, since the tissue is growing in places it is not meant to be growing
Explanation:
answer from plato
for edmentum
Fomites are Group of answer choices insects that transmit pathogens from an infected host to a non infected host. animal sources for human pathogens. inanimate objects involved in the indirect contact transmission of pathogens. fecal material from infected hosts. silent carriers of infectious diseases.
Answer:
Fomites are inanimate objects involved in the indirect contact transmission of pathogens.
Explanation:
Fomites are inanimate objects involved in the indirect contact transmission of pathogens. These objects include a whole range of items mostly found in indoor environments. When pathogens such as viruses and bacteria come in contact with these objects through various human and animal activities such as sneezing or coughing, use of toilets etc; these pathogens remain active on these objects and can then cause disease when others come in contact with these objects.
Common fomites in the home include toilet seats and handles, doorknobs, kitchentops, bed coverings , mobile phones, light switches as well as as toys. In offices, door handles, stairway railings as well as wring materials are common fomites. Especially concerning is the issue of disease transmission by fomites in healthcare facilities since there is constant exposure of surfaces and equipments to various pathogens.
To help prevent the spread of diseases by fomites, regular handwashing and disinfection of commonly touched surfaces is required.
How many significant figures in 20.8cm?
Answer:
[tex]\Huge \boxed{3}[/tex]
Explanation:
Significant figures include non-zero digits and in between zeros.
2 0 . 8
20.8 has 3 significant figures.
Answer:
[tex]\huge\boxed{3 \ significant \ figures}[/tex]
Explanation:
There are 3 significant figures in
2 0 . 8
According to the rules of significant figures:
=> All non-zero digits are significant.
=> Zeroes that come between 2 non-zero digits are also significant.
So, 3 significant figures in the term 20.8 cm.
brain is considered as the centre of all senses, why ?
Answer:
The answer is
Explanation:
Human brain is considered as the centre of all senses as it can control what we can do. Without our brains, we can't walk, hold things or even move a pencil. A brain has different parts which perform different functions in the body. Brain is considered to be the centre of all senses because of these following reasons.
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The human mind is the command center for the human anxious device. It receives signals from the body's sensory organs and outputs records to the muscle tissues.
wherein are senses located in the brain?Parietal lobe
It figures out the messages you get hold of from the 5 senses of sight, touch, odor, hearing, and taste. This part of the mind tells you what's a part of the frame and what is a part of the outside international.
Why is your mind vital?The brain is arguably the most important organ in the human frame. It controls and coordinates moves and reactions, allows us to suppose and feel, and allows us to have reminiscences and feelings—all the matters that make us human.
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how is chloroplast similar to bacterium??
Answer:
it i simlr because they are both i the cell
Explanation:
in the cell
Answer:
they are similar in size. duplicate their DNA and other structures and then divide into two identical organelles
Raman’s teacher taught about changes that take place during Adolescence
period in the class today. Which of the following change take place in girls
during Adolescence period?
a) Increase in breast size b) Menstruation
c) Growth of hair in genital area d) All of the above
Answer:
d) All of the above
Explanation:
Adolescence is the period which is following the onset of puberty in a young person and turns them into an adult.
During adolescence, both males and females undergo several physical changes. Some of the physical changes in the girls' or female's body include increase in breast size, menstruation, and growth of genital hair.
Hence, the correct answer is "d".
The leading strand runs in a
direction and is replicated
A. 5' to 3', continuously
B.5' to 3', discontinuously
C. 3' to 5', continuously
D. 3 to 5', discontinuously
Answer:
option C is correct that is 3` to 5` continuously
Explanation:
when replication begins the two parent DNA strand are separated one of this is called leading strand and is replicated continuously in the 3` to 5` direction the other strand is lagging strand and is replicated discontinuously in short sections
Help? You are studying an outcrop where the lower layer is limestone and the layer directly on top of the limestone is sandstone. Near the bottom of the sandstone layer are small, weathered pieces of limestone entirely contained within the sandstone. Explain how these pieces of limestone came to be contained within the sandstone.
Answer:
Due to mixing of particles present in the upper layer of limestone with sandstone during deposition.
Explanation:
The parent layer was limestone layer which is older than sandstone layer. This sandstone layer spreads on the limestone layer because of wind. The wind moves these sandstone from other region and their deposition occurs on the limestone layer. During deposition of sandstone, some particles of limestone which are present at the surface mixes with the sandstone so that's why in sandstone layer, small and weathered pieces of limestone are present.
I need help again, sorry
If an element has 6 protons, 6 electrons, and 8 neurons, then what’s the atomic number
Answer:
The atomic mass is the number of protons, plus the number of neutrons. In this case, 8 + 6 = 14.
Explanation:
The six protons (atomic number) tells me that this is carbon; the six electrons tell me that this is a carbon atom, rather than a carbon ion (an ion is when the number of electrons does not equal the number of protons, making the atom electrically non-neutral). The eight neutrons tell me that this is an isotope (in other words, a version) of carbon called carbon-14, which happens to be mildly radioactive; and therefore useful to archaeologists in dating human artifacts.
The atomic number is the number of protons that is in the atom. If an element is having 6 protons, 6 electrons, and 8 neurons, then its atomic number will be 6, i.e. Carbon.
What is atomic number?Atomic number is the number of a chemical element as represented in a periodic system.
These elements are arranged in order of increasing number of protons in the nucleus.
The number of protons is always same as that of electrons in the neutral atom, which is also the atomic number.
Thus, here the number of protons given is 6 so the atomic number will be 6.
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Which of these best matches an object in the solar system with its characteristic? (3 points)
O comet - orbits a planet
O meteor - a streak of light
O asteroid - has a tail
O planet - orbits the moon
Answer:
Meteor → a streak of light
Explanation:
Got it right on the test
A meteor is a streak of light.
What is a solar system?The sun and the group of celestial bodies that are bound by gravitational force form a solar system. It was formed about 4.6 billion years ago.
What is a comet?A comet is a relic covered with dust, rock, and ice. It was formed during the solar system's formation. They have a diameter ranging from a few miles to tens of miles.
What is an asteroid?They are either metallic or rocky bodies and do not have atmospheres. Asteroids come in a variety of sizes and forms.
What is a planet?Planets are massive astronomical bodies that are neither stars nor remains of stars. They have an orbit and there are 8 planets in our solar system.
What is a meteor?A meteor appears as a bright streak of light in the sky. It is a space rock that enters the earth's atmosphere. It is often known as a shooting star or falling star.
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(05.05 MC) Exposing human subjects to experimental manipulations such as high levels of toxins is unethical. We often use model organisms for this reason. What attributes would you look for in selecting a good model organism for investigating the impact of toxins in humans? A good model organism should be able to be easily maintain in the laboratory, be fast growing, with a fast generation time and be as closely related to humans as possible. Cost is the only consideration in selecting a model organism, since all living things are made of cells anything found will apply to humans. The best choice will must be the very closely related to humans, such as chimps, since anything found in other species will not apply to humans. The most important consideration in selecting a model organism is how the public will feel about doing experiments on that species, so the best choice would generally be a very simple organism like bacteria that people don't care very much about.
Answer:
A good model organism should be able to be easily maintain in the laboratory, be fast growing, with a fast generation time and be as closely related to humans as possible.
Explanation:
The attributes that should be looked for in the selection of good model organism for investigating the impact of toxins in humans include:
Easy maintenance: The easier the maintenance of the organism, the better for both the research and the researcher. More can be achieved with less effort as opposed to high maintenance animals.Fast generation time: They should be able to grow and reproduce quickly so as not to prolong the experiment for too long. The lower the regeneration time, the shorter the time required to obtain adequate data for the research.Genetical similarity to humans: A good model organism for humans related study must share some similarities with humans at the genetic level. The more the genetic similarity, the more applicable the outcome of the research on humans.Hence, a good model organism should be able to be easily maintained in the laboratory, be fast-growing with a fast generation time, and be as closely related to humans as possible.
Match the current applications to the appropriate branch of genetics. Not all applications will be placed.
a. Hereditary genetics
b. Population genetics
c. Molecular genetics
1. Observing phenotypes in offspring to understand gene inheritance.
2. Tracing pedigrees to determine patterns of gene transmission within a family.
3. Calculating allele frequencies to determine changes within gene pools.
4. Expressing exogenous transgenes to understand function.
5. Identifying gene mutations associated with a genetic disease.
Answer:
a. Hereditary genetics = 1 and 2
b. Population genetics = 3
c. Molecular genetics = 4 and 5
Explanation:
Genetics is a discipline that studies the transmission of heritable traits from parents to offspring. Population genetics is a discipline that analyzes genetic and allele frequencies in natural populations, as well as their changes in evolutionary processes. Finally, molecular genetics is a research field that studies the structure of the DNA molecule, its replication and the development of genetic engineering technologies associated with the manipulation of genetic information.
a. Hereditary genetics = 1 and 2
b. Population genetics = 3
c. Molecular genetics = 4 and 5
The following information should be considered;
Genetics refers to a discipline that studies the conversion of heritable traits from parents to offspring. Population gen-etics should be the discipline that analyzes genetic and all-ele frequencies in a natural populations along with it their changes in evolutionary processes. So, molecular gen-etics means the research field that studies the DNA structure molecule, its replication and the development of gen-etic.learn more: https://brainly.com/question/3617478?referrer=searchResults
what is difference between pressure exerted by liquid than by a solid
What molecule is required each time the myosin head detaaches from one site and reattaches to another
Answer:
The adenosine triphosphate (ATP) molecule
Explanation:
The actin filaments are often associated with myosin to produce muscle contraction. These myosin filaments are considered to be 'molecular motors' capable of converting the chemical energy contained in the ATP molecule to mechanical energy, thereby producing cell movement. Myosin heads bind to actin filaments in order to generate a power stroke. When the adenosine triphosphate (ATP) molecule binds to myosin, the myosin head detaches to the actin filament. During this process, the ATP molecule is broken down and then the released energy is used by the myosin filament to return to its original position.
what is the balanced equation for photosynthesis.
Functions of the large intestine include Select one: A. most of the chemical breakdown of food. B. absorption of bile salts. C. secretion of vitamins. D. reabsorption of water and compaction of feces. E. production of gas to move waste toward the rectum.
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why it is necessary to water the plant for experiment
Answer:
To activate the process of germination.
Explanation:
through what are larger molecules are formed?
Answer:
Through combination of each monomer using covalent bonds.
Explanation:
Most macrmolecules are made from single subunits or building blocks called monomers combine with each other using covalent bonds to form larger molecules known as polymers. In doing so, monomers release water molecules as byproducts.
