How do scientists make viruses more visible

Answer:

its tRNA dawg bless up my g dn forget who helped you out

Explanation:

Answer:

Cartilage rings of trachea have protective role

Explanation:

Trachea is a tube, part of the respiratory system, which allows the passage of the air: from larynx to lungs (primary bronchi). It is enveloped with cartilage rings that prevent collapse of the trachea when there is no air. The cartilage "rings" are C-shaped, except one full ring-shaped - the cricoid cartilage which attaches trachea to the larynx.

The trachea is constructed with rings of cartilage to provide structural support that keeps the airway open, allows flexibility for breathing movements, and assists in coughing to expel foreign particles. The C-shaped cartilage is complemented by muscle and a soft membrane, ensuring both stability and adaptability.

The trachea, commonly known as the windpipe, is designed with incomplete rings of cartilage for several crucial reasons. These C-shaped rings provide the trachea with structural support to stay open for air to pass through the respiratory tract. They are made of hyaline cartilage, which is strong yet flexible, enabling the trachea to expand and contract slightly during breathing.

The cartilage rings are connected by fibroelastic membrane and trachealis muscle, allowing for adjustments in the trachea's diameter; this is particularly useful during coughing, when the muscle contracts to push air forcefully through the trachea to expel mucus and foreign particles. Furthermore, the internal lining of the trachea is made of pseudostratified ciliated columnar epithelium and goblet cells, which trap particles and propel them away from the lungs through the action of cilia. This hybrid structure of rigid cartilage and flexible muscle ensures that the trachea remains patent and is capable of clearing inhaled debris efficiently.

Answer:

Sagittarius A*

Explanation:

Answer:

Sagittarius A*

Explanation:

Holding the Milky Way together requires a massive object that can exert strong gravity over objects that are tens of thousands of light years away. This strong gravity is provided by a supermassive black hole near the center of the galactic bulge; the region occupied by this black hole is called Sagittarius A* (pronounced "A star").

Answer:

The answer is: 49321-51 and 58661

Explanation:

Report 49321 code for laparoscopy, surgical; with biopsy.

The 51 modifier is used when there are multiple procedures performed on the same session or are performed together.

Code 58661 describes partial or total oophorectomy and/or salpingectomy. Looking up ovarian cystectomy in the index of CPT, you are referred to code 58661 for that portion of the procedure also.

A 23-year-old woman's laparoscopy revealing an ovarian cyst and subsequent partial oophorectomy would be reported with a specific CPT code for billing. Laparoscopic surgery is used for less invasive procedures on ovarian disorders such as cysts.

A 23-year-old woman undergoing a laparoscopy to remove a cyst on the left ovary with subsequent partial oophorectomy would have a specific CPT (Current Procedural Terminology) code reported for this procedure. The code selection for the procedure depends on the specific details of the surgery performed. Healthcare providers select CPT codes for billing purposes to accurately describe the medical, surgical, and diagnostic services provided to the patient.

Ovarian cysts can occur as a common disorder and may require surgical intervention when they do not resolve on their own and cause significant pain. Laparoscopic surgery is a less invasive technique which uses instruments and a camera inserted through small incisions in the abdomen. A partial oophorectomy involves the removal of just part of an ovary, preserving some of the ovarian tissue and potentially maintaining hormonal and reproductive function.

B heart failure and coughing up blood

Answer:

B. Heart failure and coughing up blood

Explanation:

Cocaine is mostly used as a recreational drug which is a strong stimulant. There are various methods that are used to administer cocaine into the body they include snorting, inhaling as smoke, or dissolving and injecting into a vein.

Strong imbalances of transmitter levels in order to compensate extremes is caused by chronic cocaine intake. The mode in which the receptors work changes from off to working mode, or the binding partners mechanisms changes called downregulation and upregulation.

The individual values of a particular data set are represented by the letter X in the equation for determining standard deviation. The square root of the variance is used to determine the standard deviation, which is a measurement of the range of a data collection.

Each value in the data set is subtracted from the mean of the data set, the result is squared, and the average of all the squared differences is used to compute the variance.

The individual values of the data set (represented by X) are first subtracted from the mean to determine the standard deviation. After that, the result is squared and added to the sum of the squares of the other data set values. Then, divide by the sum of the squared differences.

by one less than the total number of values in the data set. The standard deviation is the result's square root. In order to calculate standard deviation, the individual values of a given data set are represented by the letter X in the equation.

A data set's standard deviation can be estimated by taking the square root of the variance, which is obtained by deriving each value's variance from the set's mean, squaring the outcome, and then averaging all the resulting differences.

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In standard deviation calculations, 'X' represents the individual data point in a dataset. The standard deviation is the square root of the variance, symbolized by s for a sample and σ for a population, indicating the variability around the mean.

In the calculation of standard deviation, 'X' stands for the individual value or data point in the dataset. The symbol x represents the sample mean, and the Greek symbol μ is the population mean. To calculate the standard deviation, one must first determine the variance, which is the average of the squares of the deviations. For a sample, this is the x - x (where the second x is the sample mean) and for a population, it is x - μ (where μ is the population mean). The standard deviation is the square root of the variance, with the symbols s (for a sample) and σ (for a population) commonly used to represent it. It is a measure of how much individual values in a dataset vary from the mean value.

Answer:

The color alleles exhibit incomplete dominance

Explanation:

Incomplete dominance means that not one of the alleles has complete dominance over the other. Therefore, the trait/phenotype exhibited by the organism is the intermediate between the two alleles. This is also similar to offpsing of parent with straight and wavy hair alleles. The offspring will exhibit wavy hair trait.  

In the f2 generation, 50 % of offspring will have pink flowers while 25% will have red and 25% will have white.

Answer:

1. an animal without a body cavity acoelomate

2. condition in which the left side of an organism's body is a mirror image of the right side bilateral symmetry

3. a series of chemical reactions that break down sugars and produce energy cellular respiration

4. an animal with a fluid-filled body cavity that lies within the mesoderm coelomate

5. an animal that has both male and female reproductive organs Hermaphrodite

6. an animal without a backbone invertebrate

7. free-floating aquatic animals with a structure similar to a jellyfish medusae

8. the transformation of a larva to an adult; occurs only in animals having great differences in form between the larva and adult metamorphosis

Explanation:

Body cavity is a fluid-filled space inside a multicellular organism  with the protective role. The coelom is the main body cavity, found in allmost all animals. Those that don't have coelom are called acoelomata. An example are Platyhelminthes.

Symmetry refers to the proportion of an animal: its reflection, rotation or scaling. The body symmetry of animals might be radial, bilateral, spherical or asymmetric.

Two major group of animals are Vertebrate and Invertebrate, with or without with backbone.

Hermaphrodite organisms are those that contain both, male and female reproductive organs, characteristic for invertebrates.

The answer is endotherms.

Answer:

Nitrogen

Explanation:

The nitrogenous bases of the two separate polynucleotide strands are bound together, according to base pairing rules (A with T and C with G), with hydrogen bonds to make double-stranded DNA.

The presence of phosphorus best provides evidence that nucleotides, the building blocks of DNA, are present. Nucleotides are composed of a phosphate group, a sugar molecule, and a nitrogenous base, but phosphorus is a more specific indicator of nucleotides.

The presence of the element phosphorus best provides evidence that nucleotides are the building material used to make DNA. Nucleotides are the building blocks of DNA and each nucleotide is composed of a phosphate group (containing phosphorus), a sugar molecule, and a nitrogenous base. Therefore, the presence of phosphorus and nitrogen can indicate the presence of nucleotides, and thus, DNA. However, phosphorus is more specific to the nucleotide structure and is therefore a stronger indicator of its presence.

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Answer:

Umm, its supposed to be Species - Population - Community.

Explanation:

A population can be a bunch of species, a community can be a bunch of populations.

The answer is Letter D

D) Offshore wind turbines have more consistent wind power and speed compared to onland wind turbines.

Answer:

-Changing electric and magnetic fields ​

Explanation:

Electromagnetic forces from the sun are formed when electric charges change their potential energy.

This electromagnetic forces are produced at different wavelengths across across the EM spectrum.

The sun also emits x-rays during solar flares.

The absorbed energy causes one or more electrons to change their location and get replaced by absorbed energy.

Cropland > growing food, best matches a type of land cover with an appropriate land use.

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Answer: a high percentage of polyunsaturated fatty acids

Explanation:

Cell membranes are semi-permeable membrane, which is selective for certain molecules.

The correct answer is:

Option C. a high percentage of polyunsaturated fatty acids

The adaptation of cell membranes of antarctic ice fish are:

1. The ice fish of Antarctica is known as Channichthyidae. The blood of the icefish is extremely low viscous and making it easier to pump throughout the body.

2. The cell membranes of the antarctic fish are made up of unsaturated fatty acids chains. These adaptations of the cell membrane help the fish to survive at a lower temperature. It also helps in maintaining the transition phase of the liquid to the gel phase.

Thus, the correct option is Option C.

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Answer:

d on edge

Explanation:

Answer:

nose → nasal cavity → pharynx → larynx → trachea → bronchi → lungs

Explanation:

D on E d g e n u i t y

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Answer:

the first black Peppered Moth was recorded in Manchester in 1848 and by 1895 98% of Peppered Moths in the city were black.

Explanation:

The first black form of the Peppered Moth was found in England. This was associated with the Industrial Revolution, marking a shift in the moth's color to blend into their new, soot-blackened environment.

The first black form of the moth, specifically the Peppered Moth (Biston betularia), was found in England. This variant is widely recognized in the domain of evolutionary biology as an example of rapid evolution in response to changing environments, a phenomenon known as industrial melanism.

Before the Industrial Revolution in England, the dominant form of the Peppered Moth was typically white or light gray, allowing it to blend into the lichen-covered tree barks. However, as industrial soot blackened these trees, the black form of the moth had a survival advantage and hence became more common.

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The answer would be B

Answer:

The skin is very important for the functioning of the nervous system, this is because, it serves as the sensory organ, which transmit the sense of touch to the brain for interpretation. The skin acts as the receptors of stimuli that are coming from outside of the body. For instance, if one mistakenly touch an hot pot with a bare hand, one will quickly remove the hand immediately. This is because the skin was able to sense the touch of hotness and send the information to the brain for the correct interpretation of the stimuli. Therefore, without the skin, the functioning of the nervous system will be impaired.  

The skin, by housing specialized sensory nerves, plays a crucial role in the functioning of the nervous system. It detects touch, surface temperature, and pain, thereby contributing significantly to the nervous system's role of processing sensory information and controlling the body's responses.

The skin plays a crucial role in the functioning of the nervous system. It acts as a sense organ, consisting of specialized sensory nerve structures contained in the epidermis, dermis, and hypodermis layers. These structures detect touch, surface temperature, and pain. Particularly, the skin has the Meissner corpuscle that responds to light touch and the Pacinian corpuscle that responds to vibration. There are also sensory nerves connected to each hair follicle, and pain and temperature receptors scattered throughout the skin.

The nervous system itself performs multiple functions simultaneously. This system is the control center for an organism, processing sensory information from outside and inside the body. It regulates various vital functions, including breathing, body temperature, and even behaviors such as sleeping and eating.

Therefore, the skin's sensory function significantly contributes to the nervous system's broader role in controlling and coordinating the body's responses to environmental stimuli and internal regulatory processes.

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Answer

Explanation:

The feeding efficiency of introduced snake is much more as compare to native snake... Due to this introduced snake will become superior.. And the inferior native will extinct. This all due to Interspecific competition.

Answer:

The native snake population will decrease

Explanation:

The situation in the question is a case of ‘competitive exclusion principle’. It explains that two species who are competing for the same resources, both cannot live together in a given habitat. They would compete for the same resources. As a result, the species which have survival advantages will use the recourses and increase its population. On the other hand, native snake population will decrease due to less availability of resources for its members.  

Answer: carbon dioxide gas in the atmosphere (b)

Explanation:

i just got this question on Study Island

Answer:

34 ATP molecules

Explanation:

Answer:

They both have regenerative properties

Explanation:

Patrick and starfish can both regenerate when they lose a limb

Mostly position 9, you probably also should check positions 6 and 12. The Moon’s gravity starts to affect the ocean’s tides the closer it gets towards one side. The ocean tides on sides 1-5 will be high as a result, because they start to get pulled upward by the gravity of the moon.

The answer would be 12 & 6

Answer:

The climate

Explanation:

The development and existence of any type of biome is directly dependent on the climate conditions. The areas that have warm climate throughout the whole year and lot of precipitation are enabling the development of the tropical rainforest biomes. The areas that have hot and dry climates are providing the conditions for the existence of the desert biomes. The places that have changes of seasons are enabling the development of the temperate biomes, and the places that are very cold and dry are suitable for the development of the arctic biomes. The climate is detrimental for the development of each biome as it affects the temperature, humidity, precipitation, which in turn results in the development of certain types of soil, vegetation, and animals that can exist in those conditions. The climate is the defining factor, but it also has to be taken in consideration that the climate depends on other factors that have to be mentioned, like the latitude, elevation, geography of the area, ocean currents, air masses etc.

The types of biome in a region are determined by abiotic factors such as temperature, precipitation, latitude, and elevation. Changes in these factors lead to gradual transitions in biomes. Both terrestrial and aquatic biomes are influenced by these abiotic factors.

The type of biome that can exist in a region is determined by various abiotic factors. These factors include temperature, precipitation, latitude, and elevation. Biogeography, the study of geographic distribution of life, plays a significant role in determining biomes.

For example, if you were to walk from the equator towards the poles, you would experience changes in temperature and moisture that directly correlates with the types of biomes you would encounter, ranging from tropical wet forests to cold barren tundras.

Similarly, terrestrial and aquatic biomes are also determined by these abiotic factors. Terrestrial biomes are influenced by land characteristics, while aquatic biomes are defined by water conditions. Biomes can occur in different geographical locations, given the climate in those regions are similar.

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Vestigial structures. These are structural elements that once served a purpose but as the organism evolved now serves no purpose.

Every structure in the organism has special function inside the body. Some structures that has no purpose in an organism is called a vestigial organ.

The organs that are of no use but were active in the ancestors are called vestigial organs.

In human body the vestigial organs are ear pinna, appendix, nictitating membrane in eyes, etc.

All of these structures were functional in ancestors but in the present generation they lost their functionality but are present as a vestigial organ.

Thus, the structure that seems to serve no purpose in an organism is called vestigial organ.

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An answer choice that is not an example of an organism responding to a stimulus would be;

B) squinting your eyes when walking into bright sunlight

Squinting your eyes in bright sunlight is an involuntary action, and does not require any kind of stimulus.

Answer:

The answer is B

Explanation:

thats just the sun burning your eyes

Answer:

Autotrophs are organisms, such as plants, that can make their own food.

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