How might the role of the mucous membrane in the lungs be different from the role of the cell membrane surrounding a normal blood cell ?
Answers
Answer:
Mucous membrane, membrane lining body cavities and canals that lead to the outside, chiefly the respiratory, digestive, and urogenital tracts. Mucous membranes line many tracts and structures of the body, including the mouth, nose, eyelids, trachea (windpipe) and lungs, stomach and intestines, and the ureters, urethra, and urinary bladder.
Related Questions
Which is the main type of chemical messengers secreted by the male gonads?.
Answers
The chemical messengers secreted by male gonads is the testosterone.
Chemical messengers of the body:Hormones are called chemical messengers because they are chemical agents that go around the body to tell particular cells to play out a specific action.
The term hormone depicts an assortment of chemicals that perform these signaling tasks.
The glands secrete hormones when given a signal from the brain.
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Dark pocket mice are found in locations that have dark substrate. genetics revealed what surprising fact about mice in different locations? a. they had different mutations b. they had the same mutations c. they were not related
Answers
The surprising fact about mice revealed by genetics is that they have the same mutations.
How come dark pocket mice have same mutations?Dark pocket mice have mutations happening in same gene.It is already known that dark pocket mice better adapts in dark that is black substrate or black ground.Likewise brown mice will better adapt in the regions of sand or soil.What actually happens is if a mice have darker fur or darker color then it will have the opportunity to better survive in the darker regions.And the darker the environment , the darker the fur so the better survival , all these comes from mutation . If the mutation rate would be greater then it will more environment friendly.To know more about mutations visit:
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Permitting the passage of nutrients and gases between the blood and tissue cells is the primary function of ________.
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Permitting the passage of nutrients and gases between the blood and tissue cells is the primary function of capillaries. They are tiny blood vessels.
What are capillaries?Capillaries are tiny blood vessels of the circulatory system, which is one of the major organ systems.
The primary function of capillaries is to transport nutrients and oxygen (red blood cells) to all cells of the body.
Capillaries represent the smallest vessels found in the circulatory system (they have 5 to 10 μm in diameter).
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why do the products of genetic engineering must undergo many tests before they can be sold
Answers
if they did something wrong while doing it: for example, if they were supposed to make your future baby's hair pink but instead it made your baby be bald forever, this will be very harmful to the communities. they will lose a lot of money and receive lots of hate.
hope this helps. :)
stay safe, happy, and healthy! have a great day.
Days when the Sun’s light hits both hemispheres equally are called __________.
A.
rotations
B.
revolutions
C.
equinoxes
D.
solstices
Answers
Answer:
Equinox!!!
Explanation:
Answer:
it is an equinox.
Explanation:
Equinox
days when the suns light hits both hemispheres equally
hours of daylight and darkness
takes place during solstices.
what are the advantages of having transcription factors to help control transcription, rather than rna polymerase alone?
Answers
Transcription is the process in which an RNA is synthesized from a strand of DNA. Transcription factors are proteins that bind to DNA in promoter regions near genes and regulate transcription by activating or repressing RNA polymerase activity.
One of the main advantages of having transcription factors is that they allow more precise regulation of gene expression. Another advantage of having transcription factors is that they allow a rapid response to environmental stimuli or cellular signals.Transcription factors are essential for precise and adaptive regulation of transcription. By enabling a rapid response to changes in the environment and cell signaling, they help ensure that genes are expressed at the right time, in the right place, and in the right amounts.
In conclusion, the presence of transcription factors allows for fine regulation of gene expression and rapid response to changing conditions in the environment and within the cell.
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Which of the following correctly describes how two systems of the human body interact to carry out life processes?
A.
The excretory system takes fluids into the body, and the digestive system disposes of excess fluids.
B.
The digestive system takes oxygen into the body, and the respiratory system distributes it.
C.
The circulatory system takes fluids into the body, and the excretory system disposes of excess fluids.
D.
The respiratory system takes oxygen into the body, and the circulatory system distributes it.
Answers
Answer:
D.
The respiratory system takes oxygen into the body,and the circulatory system distributes it
The food pyramid is shaped the way it is because of the _________ at the base
Answers
Autotrophs/primary producers are the main source of energy in an energy pyramid. This is at the base because all other consumers use a portion of the primary producers energy.
3. Algae makes energy-rich carbon compounds through
photosynthesis.
4. A volcano erupts.
5. Carbon dioxide dissolves in rainwater.
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6. Humans use gasoline to power their cars.
7. Organisms carry out cellular respiration to release
energy from food molecules.
Check Answer
Answers
A complementary process in nature either adds (options 3, 6, and 7) or removes ( options 4 and 5) carbon dioxide from the atmosphere.
Complementary processes and it's benefitsThe processes that leads to the addition of carbondioxide back to the atmosphere include the following:
The eruption of volcanoes.Cellular respiration carried out by organisms to release energy from food molecules.The use of gasoline to power carsThe processes that leads to the removal of carbondioxide from the atmosphere include:
The production of energy-rich carbon compounds through photosynthesis.The dissolution of carbondioxide in rainwater.Learn more about photosynthesis here:
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How do these structures function in the inheritance of traits?
Answers
Your genes store inherited characteristics. These genes are passed down from parents to children, who then pass them on to their offspring, and so forth.
What is the method of passing traits down?How are hereditary traits transmitted? Your genes store inherited characteristics. These genes are passed down from parents to children, who then pass them on to their offspring, and so forth. DNA, which stands for "deoxyribonucleic acid," is the chemical compound that houses this genetic data.
What characteristics are influenced by the DNA's structure?Gene expression ultimately controls how an organism behaves. Protein synthesis and other cellular processes enable gene expression, which in turn controls structure, metabolism, and other factors.
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Occasionally a new resistant strain of pathogen appears. The new strain may spread rapidly. Explain why
Answers
Answer:
Antibiotics are not effective for new strains and so new resistant pathogens survive and reproduce, which leads to the increasing population of resistant pathogens and spread rapidly.
Bacteria can evolve and adapt themselves quickly as they are able to reproduce at a fast rate. Mutations of bacteria produce new strains that are resistant to certain antibiotics, such as penicillin, and cannot be destroyed by the antibiotic so they spread more rapidly.
Organisms store chemical energy in different molecules. Which of the following statements is true?
a)Cells have a lot of ATP
b)Cells have a small amount of ATP
c)Cells have an unlimited amount of glucose
d)Cells can make more glucose by breaking down ATP
Answers
Answer:
D
Explanation:
How to determine the inputs and outputs of carbon dioxide in the atmosphere.
Answers
Answer:
change in concentration maybe...
5.
The environment has the greatest effect on the expression of genes when
which of the following occurs?
Answers
Answer:
The environment has the greatest effect on the expression of genes when which of the following occurs? relies on meiosis, a process that promotes recombination of genes, for the production of gametes. The ability for people to roll their tongue is dominant to people who cannot.
Explanation:
Station 7: Fish A) The Origin Of Jaws Was A Key Adaptive Event In Early Vertebrate Phylogeny. Describe The Adaptive Advantage Of Having A Jaw? B) The Endoskeleton Of The Cartilaginous Fish Is Composed Of Cartilage And Lacks Bone Completely. We Know From The Fossil Record That Ancestors Of Modern Cartilaginous Fish Had Bone. Therefore, Lack Of Bone Is Not A
Station 7: Fish
Answers
Station 7: Fish A) The origin of jaws was a key adaptive event in early vertebrate phylogeny. The description of adaptive advantage of having a jaw is it allowed early vertebrates to capture and consume a wider range of food sources.
B) The endoskeleton of the cartilaginous fish is composed of cartilage and lacks bone completely. We know from the fossil record that ancestors of modern cartilaginous fish had bone. Therefore, lack of bone is not a primitive trait.
A) Prior to the development of jaws, early vertebrates could only feed on small, soft-bodied organisms. With the development of jaws, they were able to capture and consume larger prey items, including other vertebrates. This allowed them to exploit a wider range of ecological niches and ultimately led to the diversification of vertebrates.
B) The lack of bone in the endoskeleton of cartilaginous fish is not a primitive trait, but rather a derived trait that evolved later in their evolutionary history. This is known as secondary loss of bone. The adaptive advantage of having a cartilaginous endoskeleton is that it provides greater flexibility and maneuverability, allowing cartilaginous fish to move more efficiently through the water. This is particularly important for predatory species, such as sharks, which need to be able to quickly capture their prey.
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teratogens are: chemicals used in the manufacture of disposable water bottles. mutagens that cause spontaneous abortions or birth defects in the fetus. radiations that cause genetic abnormalities in pregnant women. bacterial or viral pathogens that cause sterility in both men and women.
Answers
Teratogens are compounds that can endanger the developing foetus during pregnancy. Teratogens are known to be the cause of congenital abnormalities, according to studies.
A chemical is deemed a teratogen if it disrupts foetal development normally and results in congenital defects. Teratogens include, among other things, alcohol, chemicals, drugs, and hazardous compounds. Additionally, teratogens may raise the chance of stillbirth, premature labour, or miscarriage. Any substance that, after exposure to a foetus during pregnancy, results in an anomaly is a teratogen. Teratogens are typically found after a certain birth abnormality becomes more prevalent. They are all strong teratogens, including isotretinoin, etretinate, and acitretin.
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teratogens are:
a. chemicals used in the manufacture of disposable water bottles.
b. mutagens that cause spontaneous abortions or birth defects in the fetus.
c. radiations that cause genetic abnormalities in pregnant women.
d. bacterial or viral pathogens that cause sterility in both men and women.
Carcass disposal is becoming an increasingly important part of farming due its impact on the environment.
Discuss factors that should be considered when advising farmers on the carcass disposals on their farms.
Answers
Advising farmers on carcass disposal on their farms, several factors should be considered. These environmental impact, biosecurity measures, legal regulations, available disposal methods, and cost-effectiveness.
Carcass disposal is a critical aspect of farming that requires careful consideration to minimize environmental impact and ensure biosecurity. One important factor is assessing the potential environmental consequences of different disposal methods. Farmers should be advised to choose methods that minimize the risk of water or soil contamination, such as composting, incineration, or burial in designated areas.
Another factor to consider is biosecurity. Proper disposal methods should prevent the spread of diseases and protect the health of other animals on the farm. This may involve following specific guidelines for disinfection, avoiding contact between live animals and carcasses, and implementing appropriate quarantine measures.
Furthermore, legal regulations regarding carcass disposal should be taken into account. Advising farmers on compliance with local laws and regulations ensures that they adhere to proper disposal procedures and avoid any legal implications. Additionally, considering available disposal methods and their practicality in terms of farm size, infrastructure, and resources is crucial. Farmers should be informed about the various options and assisted in selecting the most suitable method for their specific circumstances. Finally, cost-effectiveness should be considered, taking into account the financial resources available to the farmers and the long-term sustainability of the chosen disposal method.
By considering these factors comprehensively, advisors can provide farmers with guidance on responsible carcass disposal that minimizes environmental impact, maintains biosecurity, complies with regulations, and is practical and cost-effective for their individual farming operations.
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Which term describes the relationship in which one organism lives inside the other one. Check ih correct answer
Answers
Answer:
The term that describes the relationship in which one organism lives inside the other one is endosymbiosis.
Explanation:
there are many kinds of organisms in kingdom protista. which organism is in kingdom protista?
Answers
A group of scientists determines that a mitochondrial DNA sequence shared by two species has a constant mutation rate. The sequences of mitochondrial DNA for the two species are shown below. Species A: GACTGGGCATTA Species B: GACCGGACATTA Based on this information, which of the following best explains the difference in the DNA sequence between the two species? Species A and B probably share the most recent ancestor because they only differ by three mutations. Species A and B have fewer differences between DNA sequences means that fewer mutations occurred. Species A and B probably have distinct ancestors because they have many differences in mutations. Species A and B are closely related because they differ by five mutations in their DNA sequence.
Answers
Species A and B have fewer differences between DNA sequences means that fewer mutations occurred. It is likely due to sequence homo-logy.
Whta are mutations?A mutation is any alteration in the nucleotide (DNA) sequence of the genome of a particular organism.
The linear order of nucleotides and their differences (mutations) can be used to infer homo-logy between two species.
In this case, there are only two different nucleotides in these sequences, thereby sequence homo-logy indicates a likely common origin.
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Answer: Species A and B have fewer differences between DNA sequences means that fewer mutations occurred.
Explanation:
Took the test and got it right
inoculated tubes of fluid thioglycolate medium should be placed in an anaerobic jar during incubation. True or false
Answers
False. Inoculated tubes of fluid thioglycolate medium should not be placed in an anaerobic jar during incubation. Fluid thioglycolate medium is a type of culture medium that supports the growth of both aerobic and anaerobic microorganisms.
It contains reducing agents, such as thioglycolate, which help to create an oxygen-depleted environment suitable for the growth of anaerobes.
However, to cultivate anaerobic microorganisms in fluid thioglycolate medium, special techniques are required.
The tubes of medium should be placed in an anaerobic chamber or an anaerobic jar with appropriate gas-generating systems, such as gas packs or sachets, to create and maintain an oxygen-free atmosphere. This ensures the optimal growth conditions for anaerobic bacteria and prevents the exposure of the cultures to oxygen, which can inhibit their growth.
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If there are 200 short plants in the F2 generation from a cross that followed Mendel's methods, about how many plants will be tall in that generation?
Answers
Answer:
F2 has 600 tall plants.
Explanation:
According to Mendel's concepts, the F2 generation is formed by crossing two heterozygous plants, that is, two plants with the Aa alleles. These plants have the genes for tall plants and short plants, although they are tall because of the dominant "A" allele. In the cross between these two plants, we will have an offspring formed by 25% of short plants (aa), 25% of hom0zygous tall plants (AA) and 50% of heterozygous tall plants (Aa). As we can see, there are 3 times as many tall plants as short plants in F2's offspring. Therefore, if there are 200 short plants in a population, to know the amount of tall plants, we must multiply this value by 3. By doing this multiplication, we will know that there are 600 tall plants in F2.
The ________ produces sharp, clear, images of brain structures with the use of magnetic fields.
Answers
The MRI (Magnetic Resonance Imaging) produces sharp, clear, images of brain structures with the use of magnetic fields.
MRI (Magnetic Resonance Imaging) is a technology which uses magnetic field to form the images of the organs like brain that are sharp and clear.
It is used in radiology to form images of the organs that are to be diagnosed using strong magnetic field to generate the images.
It helps to monitor conditions of the brain, abdomen and chest along with the pelvic region of the body.
It is useful to detect the following conditions:
StrokeTumors of the brainInfection in the bodyHeadache causesDis functionality in some areasIt is a painless procedure which does not require the use of anaesthesia.
There are little or no side effects of the MRI since it is very accurate to detect the anomalies and abnormalities present in the human body.
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Probiotics. They come in the form of culture concentrates in certain foods, dietary supplements and fermented dairy
products, like yogurt or cheese. Probiotics are used to ferment the milk used to produce yogurt, cheeses and kefir.
They are the live, active cultures in this yogurt. Probiotics are often called good or helpful because they help
keep your gut healthy
A)
bacteria
B)
protists
09
carbohydrates
D)
milk products
Answers
Answer:
Explanation:
Probiotics are often called good or helping bacteria because they help to keep your gut healthy
Option A is the correct answer
The Sahel stretches across Africa, about 15 degrees north of the equator. Satellite measurements of vegetation
reveal it as a transition zone between the sands of the Sahara and the jungles of the Congo. This map shows
vegetation in the final two weeks of June 2005, near the end of the dry season in the Sahel. Dark green indicates
dense vegetation, while light green and beige indicate sparse vegetation and barren land.
When we think of desertification, we first think about prolonged drought conditions. Desertification can also be the
result of degradation of the soil in an area as the most recent definition includes the permanent loss of fertility in an
area. All of the choices below result in soil degradation leading to desertification EXCEPT
-)
A)
The buildup of salts in irrigated soils due to evaporation,
B)
The presence of rocky fields that have been tilled but not planted.
C)
Overfarming or drought can change the soil so that rain no longer
penetrates
D)
Deforestation results in erosion: nutrient-rich top soil blows or washes
away.
Answers
Answer:
D??? gtttehu sch ur cheesy tt edges drafted tech fresh fresh rage wavy after geez crest text heck grudge texted deduct text egg
Answer:B
Explanation:
i just took the test its not D
Which of the following mechanisms is the correct sequence of events that takes place during the plant responses to internal and external signals?
A) transduction, reception, and response
B) reception and transduction
C) reception, transduction, and response
D) reception and response
Answers
Answer:
C) reception, transduction, and response
Explanation:
Plant signaling means that information is conveyed from receptor systems to effectors within and between plant cells.
Signals can be of chemical form or electrical form.
Plant responses to internal and external signals take place in the following sequence:
Reception
Transduction
Response
So, option C) is correct
Which of the following areas of study is pursued by pomologists?
study of plant colors
study of fruits and nuts
study of grape cultivation
study of floral design
Answers
Pollen and Ovules are gametes. How many chromosomes would they have compared to the rest of the plant's body cells? What process made them that way?
Answers
Answer:
a. They would have half chromosomes as much as the plants body cells.
b. Meiosis
Explanation:
Gametes are sex cells produced only in sexually reproducing organisms. In plants as stated in this question, male gametes are contained in pollens while female gametes are contained in ovules. The process by which these gametes are made is called MEIOSIS.
Meiosis is a cell division that reduces the chromosomal number of the parent cell by half. This means that each GAMETE will contain half the number of chromosomes as the parent cell. Fir example, if the body cell of a plant contains 30 chromosomes, each gamete formed via Meiosis in that plant will have 15 chromosomes.
In a nutshell, pollen and ovules, which are gametes of plants formed by MEIOSIS would have half chromosomes as much as the plants body cells.
Which of the following solutions is neutral?
Group of answer choices
a solution with a pH of 14
a solution with a pH of 2
a solution with a pH of 7
a solution with a pH of 9
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Question 4
Potassium hydroxide has the chemical formula KOH. It feels slippery and is used in cleaning liquids. Based on this description, potassium hydroxide is most likely a(n)?
Group of answer choices
acid
base
neutral solution
pH indicator
first to answer gets the brinllest
Answers
Answer:
Kleenex
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a. Plants use CO2 in the process of ___________________ to make___________ and oxygen. b. Animals use oxygen in the process of _______________ and make more CO2. c. The ____________________________ is the main regulator of CO2 in the atmosphere because CO2 dissolves easily in it. d. In the past, huge deposits of carbon were stored as dead plants and animals ______________________. e. Today these deposits are burned as fossil fuels, which include ____________________, _____________________, and ___________________________. f. More CO2 is released in the atmosphere today than in the past because of the _________________________ . g. Too much CO2 in the atmosphere may be responsible for the _________________________________ effect/global warming.
Answers
a. Plants use CO2 in the process of photosynthesis to make glucose (sugar) and oxygen.
b. Animals use oxygen in the process of cellular respiration and make more CO2.
c. The oceans are the main regulator of CO2 in the atmosphere because CO2 dissolves easily in them.
d. In the past, huge deposits of carbon were stored as dead plants and animals in the form of fossil fuels.
e. Today these deposits are burned as fossil fuels, which include coal, oil, and natural gas.
f. More CO2 is released into the atmosphere today than in the past because of human activities, such as burning fossil fuels and deforestation.
g. Too much CO2 in the atmosphere may be responsible for the greenhouse effect/global warming,
where increased concentrations of greenhouse gases trap heat and lead to rising temperatures on Earth.
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