place the structures of the tracheal wall in order from outermost to innermost.
Outermost
Hyaline cartilage
seudostratified
ciliated columnar
epithelium
Areolar
connective
tissue
Elastic
connective
tissue
Innermost
Answers
Areolar connective tissue, elastic connective tissue, hyaline cartilage, and pseudostratified ciliated columnar epithelium are arranged from outermost to innermost.
What is the hierarchy of connective tissues?Additional classifications of connective tissue include loose connective tissue, dense connective tissue, and specialised connective tissue. The innermost layer of connective tissue that envelops each individual muscle fibre is known as the endomysium. It appears as though a tubular membrane sheath is encasing each muscle fibre.
What is the areolar connective tissue's order?Fibroblasts, Adipocytes, Mast Cells, Mesenchymal Stem Cells, and Macrophages are the five cell types that can be found in Areolar Connective Tissue. Collagen fibers, elastic fibers, and reticulated fibres are the three types of protein fibres found in the ECM.
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Related Questions
The genetic makeup of an organism or its combination of alleles
Answers
Answer:
Genotype
Explanation:
which one of the following pairs of reagents reacts to form an organic product that shows only 2 peaks in its proton n.m.r. spectrum?
a. butan-2-ol and acidified potassium dichromate(VI)
b. ethanoyl chloride and methanol
c. propanoic acid and ethanol in the presence of concentrated sulphuric acid
d. ethene and hydrogen in the presence of nickel
Answers
b: ethanoyl chloride and methanol reacts to form an organic product that shows only 2 peaks in its proton NMR spectrum.
In organic chemistry, proton NMR spectrum spectroscopy is a powerful tool used to identify the number and type of hydrogen atoms present in a molecule. The number of peaks in an NMR spectrum is directly proportional to the number of unique hydrogen environments present in a molecule.
When ethanoyl chloride and methanol react, an ester is formed through a nucleophilic acyl substitution reaction. Esters typically have two unique hydrogen environments, giving rise to two peaks in their proton NMR spectra.
In contrast, the other reactions listed in the options are likely to produce compounds with more than two unique hydrogen environments, leading to more than two peaks in their proton NMR spectra. Therefore, option b is the correct answer
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Is a rat a primary consumer?
Answers
Answer:
Yes, a rat is considered a primary consumer. Primary consumers, also known as herbivores, are animals that eat plants as their main source of food. Rats are known to consume a variety of plant material, including seeds, fruits, and vegetables. In addition, rats are known to eat insects, which are also primary consumers, since they feed on plants. Therefore, as a consumer that feeds mainly on plant material, a rat can be classified as a primary consumer in a food chain or food web.
The graph shows how enzymes affect reactions
in cells. Which statement best summarizes the
information shown in the graph?
Enzyme decrease
the activation
energy of the
reaction.
Enzymes increase
the energy of the
reactants.
Enzymes reverse
the direction of
the reaction.
Enzymes decrease
the energy level of
the products.
Answers
Answer:
Enzymes increase the energy of the reactants
finches that live in areas that only have large seeds and small seeds as a food source have adapted their beak sizes in response to this food availability. this is an example of selection. a. directional b. diversifying c. guided d. stabilizing e. uniform
Answers
Finches that live in areas that have large seeds and small seeds as a food source have adapted their beak sizes in response to this food availability and this is an example of selection a) directional.
What is the adaptation in the finches?Evolution in Darwin's finches is characterized by rapid adaptation to an unstable and challenging environment that caused ecological diversification and speciation. This resulted in striking diversity in their phenotypes like beak types, body size, plumage and feeding behavior.
The small finch evolved a small broad beak which it uses to feed on soft seeds and nuts although it is known to eat flowers, buds, young leaves, and the occasional insect. Unlike the large ground finch ,its beak would not be as strong to eat hard nuts and seeds.
Darwin's finches are an example of how natural selection has caused variation of beaks among the finches.
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What part of henry’s cochlea may have damaged hair cells? What part of henry’s cochlea may have functional hair cells?
Answers
The henry's may have damaged and functional hair cells of cochlea in organ of corti.
Hearing and the Cochlea:
Sound waves that enter the ear go through the external auditory canal before they strike the eardrum and cause it to vibrate. The incus receives sound vibrations from the malleus, also called "hammer," which is linked to the eardrum, and sends them on to the stapes.The stapes is a framework that moves the oval window in and out. This motion is received by the cochlea, a fluid-filled snail-like structure that houses the organ of Corti, the hearing organ. Small hair cells make up the lining of the cochlea. These cells convert vibrations into electrical impulses that sensory nerves then transmit to the brain. the Corti organ, which has four rows of hair cells. On the left, there is an inner row, and on the right, there are three outside rows. The stapes first sways against the oblong glass. This causes sound waves to travel into the cochlear fluid and move the organ of Corti.Lower frequency sound resonates with fibers towards the cochlea's upper end. Higher frequencies elicit a response from those near the oval window.Learn more about the Structure of ear with the help of the given link:
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How is pathogenic staphylococcus aureus distinguished from other species of staphylococcus?.
Answers
Given what we know, we can confirm that pathogenic staphylococcus aureus can be distinguished from other species given that it is coagulase positive.
What does it mean to be coagulase positive?This means that this exact type of bacteria has the ability to cause blood to coagulate, giving them their pathogenic nature. This can be extremely dangerous and even fatal to humans as it disrupts blood flow and leads to cardiac arrest.
Therefore, we can confirm that pathogenic staphylococcus aureus can be distinguished from other species given that it is coagulase positive.
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what is the correct starting position for translation
Answers
Ans: Mechanism by which codons on mRNA molecules are recognized by anticodons on tRNA during protein translation. What is the correct starting position for translation? The rungs of the DNA ladder split down the middle and the uprights pull apart. New bases are matched up to the exposed bases on each upright.
one easily visible example of a clinal distribution seen worldwide is the patterning of human variation in ____
Answers
Clinal variation is demonstrated by variations in human skin tone.
Reasons for clinical variation:Every person's DNA carries information about their genetic links with other people, including how far back those relationships date. Genetic markers, which are unusual DNA changes that are passed down across generations, are essential for understanding the migration patterns of contemporary human groups. Various populations have unique markers. Once a marker has been located, it can be used to determine its origin, or the most recent ancestor shared by all those who carry the marker. Following these markers down the generations reveals a genetic tree with many different branches that can all be traced back to a common African root.
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The acid mantle maintains the natural pH of hair and skin and protects the:
a. cortex
b. cuticle
c. medulla
d. follicle
Answers
The acid mantle maintains the natural pH of hair and skin and protects the b. cuticle.
The acid mantle is a thin, slightly acidic film on the surface of the skin and hair, consisting of sebum and sweat, this film helps maintain a balanced pH level, typically around 4.5 to 5.5, which is essential for healthy hair and skin. The cuticle, which is the correct answer, is the outermost layer of the hair shaft, it consists of flat, overlapping cells that protect the inner layers of the hair, such as the cortex and the medulla, from damage and moisture loss. By maintaining the proper pH, the acid mantle helps keep the cuticle smooth and intact, preventing breakage, frizz, and dryness.
In addition to shielding the cuticle, the acid mantle also defends the skin and hair from harmful bacteria, fungi, and other environmental factors. A balanced pH level is essential for maintaining the skin's natural barrier and preventing infections. In summary, the acid mantle is vital for maintaining the natural pH of hair and skin, primarily protecting the cuticle and ensuring overall health and appearance.
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all of the following are examples of connective tissue exceptA. TendonsB. LigamentsC. MuscleD. Adipose tissue.
Answers
Connective tissue refers to a group of tissues that provide support and structure to the body, and includes tendons, ligaments, adipose tissue, and others, the correct option is C that is muscle.
Tendons are strong, fibrous bands that attach muscle to bone, and help transmit force from muscle to bone during movement. Ligaments are also fibrous bands, but they connect bone to bone, and help stabilize joints. Adipose tissue, on the other hand, is a type of connective tissue that stores energy in the form of fat cells. Muscle tissue, however, is responsible for movement and contraction, and is not considered a type of connective tissue. Instead, it is classified as a type of muscle tissue, along with smooth muscle and cardiac muscle.
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immune antibody is: group of answer choices actual genetic makeup; may not be evident by direct tests rbc (blood) type, as determined by direct tests the techniques and procedures involving the study of the immunologic responses of blood (rbcs) unexpected antibodies that result from specific antigenic stimulation
Answers
An immune antibody is a type of protein produced by the immune system in response to the presence of foreign substances, known as antigens. These antibodies are created by B-cells and can recognize and bind to specific antigens, marking them for destruction by other immune cells.
The presence of immune antibodies can be detected through various techniques and procedures that involve studying the immunologic responses of blood, specifically red blood cells (RBCs). It is important to note that immune antibodies may not always be evident by direct tests, and unexpected antibodies can result from specific antigenic stimulation. It is also important to note that immune antibodies are not related to an individual's actual genetic makeup or their RBC (blood) type, which is determined by direct tests. Overall, immune antibodies play a crucial role in our body's immune response and can provide valuable information in diagnosing and treating various illnesses.
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Question 28
Use specific examples to compare and contrast the flow of energy and nutrients.
Answers
Answer:
nn n
Explanation:
partial credit given. Go outside and collect a small amount of soil in the containers supplied. You will probably be more successful if you select soil from a vegetated area. Use your soil to prepare a wet mount following the directions you were given in class. Try to use 2 mm' of soil. To help you visualize this, draw two "3d" boxes, each representing a cubic millimeter, actual size, here: Use your microscope to examine the entire area under your coverslip. Count all the nematodes you see. how many cubic mm are in I cm ? How many nematodes were in your mm' of soil? What is your calculated number of nematodes per cubic mm? Based on your data, how many nematodes would you calculate there to be in a cubic centimeter of soil? How many would you calculate there to be in a cubic meter of soil?
Answers
There are 1,000 cubic millimeters (mm³) in 1 cubic centimeter (cm³). This is because 1 cm is equal to 10 mm, and when you calculate the volume of a cube, you raise the length of each side to the power of 3.
To determine the number of nematodes in your mm² of soil, you need to count them under the microscope. Let's say you counted 10 nematodes in your mm².
To calculate the number of nematodes per cubic millimeter (mm³) of soil, you need to know the depth of the soil you examined. If you used 2 mm of soil, the calculation would be: (Number of nematodes in mm²) / (Volume of soil in mm³) = 10 nematodes / (2 mm x 1 mm x 1 mm) = 10 nematodes / 2 mm³ = 5 nematodes per mm³.
To calculate the number of nematodes in a cubic centimeter (cm³) of soil, you would use the same ratio of nematodes per mm³. Since there are 1,000 mm³ in 1 cm³, the calculation would be: (Number of nematodes per mm³) x (1,000 mm³) = 5 nematodes/mm³ x 1,000 mm³ = 5,000 nematodes per cm³.
To calculate the number of nematodes in a cubic meter (m³) of soil, you would again use the same ratio. Since there are 1,000,000 cm³ in 1 m³, the calculation would be: (Number of nematodes per cm³) x (1,000,000 cm³) = 5,000 nematodes/cm³ x 1,000,000 cm³ = 5,000,000,000 nematodes per m³.
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Onepage review on why understanding gas and vapors in a work setting is important and what we can do in our workplace to prevent accidents with gases and vapors.
Answers
Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.
In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.
Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.
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im found only in plant cells, im as green as can be, i make food for the plant, using the suns energy. What am i ?
Answers
Answer:
chloroplasts
Explanation:
in an investigation,the pancreatic duct of mammal was found that blood sugar remained normal while food digestion was impaired.explain the observation
Answers
Answer:
Glucose, the final product of starch, is not made for that. So the blood sugar remains normal. Glucose is the digestive element. So, If it is not made, the digestion is impaired.
Explanation:
The food that we eat is converted into simpler forms like glucose. They also make up many acids. The blood then absorbs the food that is broken down in the smaller intestine found in our body. The nutrients that we get is then carried by the blood to each cell found in the body.
if 60% of a number is 90 what is the number
Answers
Answer:
150
Explanation:
60%=60/100=0.6
0.6x=90
x=90/0.6=150
Hope this helps!
Which protists can reproduce s3xually?
A. volvox and amoeba
B. euglena and amoeba
C. volvox and paramecium
D. euglena and paramecium
NEED THE ANSWER ASAP
Answers
Answer:
amoeba and eulgene is the answer
Which statement is TRUE with regard to the duration of a self-generated sleep/activity cycle?
a.
It is unreliable in most species, and dependably close to 24 hours only in primates.
b.
It is longer if the organism is normally active in the dark.
c.
It rarely varies from one individual to another, if at all.
d.
It is highly consistent in a given individual in a given environment.
Answers
The statement that is true regarding the duration of a self-generated sleep/activity cycle is d.
It is highly consistent in a given individual in a given environment. The self-generated sleep/activity cycle, also known as the circadian rhythm, is an internal biological clock that regulates a wide range of physiological and behavioral processes over a roughly 24-hour period.
This cycle is highly regulated by external environmental cues such as light and temperature, but it is also largely endogenously controlled by an internal pacemaker located in the suprachiasmatic nucleus of the hypothalamus.
While there is some natural variation in the length of the circadian rhythm between species and individuals, once established, it is typically highly consistent within an individual, even in the absence of external cues, and can persist for days to weeks.
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please answer these 2 questions for the first one select all the right answers and define if they’re a autotroph or a heterotroph
Answers
Based on the provided data, we can determine the most likely ecological roles of the organisms regarding their mode of nutrition (autotroph or heterotroph) as follows:
Organism V: Autotroph. It is multicellular, indicating a complex structure that can support photosynthetic processes.
Organism W: Heterotroph. It is multicellular and lacks chloroplasts, suggesting it does not possess the ability to perform photosynthesis.
Organism X: Autotroph. It lacks multicellularity but has chloroplasts, which are responsible for photosynthesis in autotrophs.
Organism Y: Heterotroph. It is multicellular, lacks chloroplasts, and does not possess cilia, suggesting it relies on external food sources.
Organism Z: Heterotroph. It lacks multicellularity, does not have chloroplasts, and has a cell wall. These characteristics indicate a heterotrophic nature.
Model F is the best model for prokaryotic cell
Description of the best model of a prokaryotic cell: Cell Membrane, Cytoplasm, DNA, Nucleoid, Ribosomes, Cell Wall, Flagella, Fimbriae.
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What is the relationship between III-1 to III-2
Answers
Answer:
III 2 IS THE HUSBAND OF III1
______ 1. What law protects plant and animal species in danger of extinction? the U.S. Fish and Wildlife Service c. the species recovery plan the Endangered Species Act d. the captive breeding plan
Answers
the answer is c
hope that this helps
Answer:
the U.S. Fish and Wildlife Service
Explanation:
it assists with efforts to recover endangered species, conserve migratory birds, preserve wildlife habitat, safeguard fisheries, combat invasive species and promote international wildlife conservation.
preganglionic sympathetic fibers release. a. acetylcholine (ach) b. norepinephrine (ne) c. both a and b d. none of the above
Answers
Preganglionic sympathetic fibers release acetylcholine (ACh) (option a). When the sympathetic division of the autonomic nervous system is activated.
Preganglionic fibers, originating from the intermediolateral column of the spinal cord, release ACh as their primary neurotransmitter at the synapses within the autonomic ganglia.
After the release of ACh, it binds to nicotinic acetylcholine receptors located on the postganglionic neurons within the autonomic ganglia. This binding initiates the transmission of the nerve impulse from the preganglionic to the postganglionic neuron.
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The skeletal system is NOT responsible for which of the following?
1. Protecting the vital organs.
2. Being a storehouse for minerals.
3. Creating red blood cells.
4. Moving red blood cells around the body.
Answers
Explanation:
The skeletal system is reponsible for
1. Protecting the vital organs. ✅
2. Being a storehouse for minerals. ✅
3. Creating red blood cells. ✅
4. Moving red blood cells around the body. ❌ moving red blood cells aroud the body is the job of the blood (circulatory system)
12. Why are lobe-finned fish thought to be the closest relatives to tetrapods?
Answers
Answer:
Lobe-finned fish are thought to be the close relatives to tetrapods because of the fact that the fins are very flexible and potentially useful for supporting the body on land, as in lungfish and tetrapods.
Explanation:
The lobe-finned fish are thought to be the closest relatives to tetrapods because the fins are very flexible and potentially useful for supporting the body on land, same as in the lungfish and tetrapods.
What are the lobe-finned fishes?
The lob-finned fishes are called as Sarcopterygii, is a clade containing the coelacanths, lungfishes, tetrapods, and the fossil relatives as well, including the osteolepiformes and panderichthyids. These are the sister group to the ray-finned fishes called as Actinopterygii, which together forms the bony fishes called as Osteichthyes.
The basic characteristics of lobe-finned fishes such as swim bladder, lateral lines, lobed fins, enameled teeth. Tetrapods are thought to have evolved from the primitive lobe-finned fish.
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How do you appreciate the role of the higher specific heat of water in stabilising atmospheric temperature during winter and summer seasons?
Answers
Higher specific heat of water exhibits its role in winter by collecting heat during day and warms up at night. Whereas, during summer the water evaporates and keep relatively low temperature in surroundings.
Why is a high specific heat significant?The term "heat capacity" refers to the amount of energy required to increase or lower a material's temperature. A greater energy variation is required to change the temperature of an object with a high specific heat capacity compared to one with a low specific heat capacity.
How does water's high specific heat serve to temperature regulation?The capability of water to transfer energy during times of high temperature and release it during times of low temperature is facilitated by its specific heat, which helps to keep the Earth's temperature. A substance's specific heat is the amount of heat required to raise a mass of that substance's temperature by one degree Celsius. Water can keep heat longer than many other substances due to the hydrogen bonds that occur between its molecules. The hydrogen bonds between water continue to break and reform as the temperature rises, allowing the system's overall temperature to stay stable despite the introduction of more energy.
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Which object is a gaseous giant?
A.w
B.x
C.y
D.z
Answers
The object or planet that is a gaseous giant is Y (option C).
What is a gas giant?A gas giant is a large planet mostly composed of helium and/or hydrogen. These planets, like Jupiter and Saturn in our solar system, don’t have hard surfaces and instead have swirling gases above a solid core.
The gas giants of our solar system — Jupiter, Saturn, Uranus and Neptune — together make up a group known as the Jovian planets.
According to this question, an image is showing the solar system and it's nine planets in order of distance from the sun. The gas giant is Uranus (planet Y).
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Which statements about the cycle of weathering, erosion, and deposition are true? Check all that apply. Deposition leads to the breakdown of mountains. Gravity does not affect the rate of erosion. When new mountains or plateaus form, the cycle starts over. Weathering, erosion, and deposition have almost leveled Earth's surface.
Answers
Answer:
b
Explanation:
Answer: 2,4,5
Explanation:
A K-selected species will exhibit which of
the following characteristics?
A. wildly fluctuating population size
B. generalized niche
C. early reproductive age
D. low population growth rate
Answers
Answer:
it's D
Explanation:
This is because K-selected species produce fewer offspring in their life time compared to R-selected species therefore their growth rate is lower.
The option or characteristic that will be exhibited by K-selected species is that it has a low population growth rate. Thus, the correct option for this question is D.
What is a K-selected species?A K-selected species may be defined as a more or less stable population adapted to exist at or near the carrying capacity. These types of species have specialized niches along with a logistic growth model.
The reproductive rate of these species is low as compared to r-selected species. Reproductive age is late. They have a fairly strong competitive ability due to which they show very less fluctuation in population size. Examples of these species may include canopy trees, large mammals, large turtles, some parrots, etc.
Therefore, the option or characteristic that will be exhibited by K-selected species is that it has a low population growth rate. Thus, the correct option for this question is D.
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