Brazil is home to the indigenous plant species known as the Cattleya orchids. The name of this plant is attributed to horticulturist William Cattley.
who in London received a consignment of this lovely bloom in a fading state and brought it back to life. Cattleya labiata: Also known as the red cattleya or ruby-lipped orchids, this medium-sized species has large, beautiful blooms that are frequently pink, lilac, or white in colour. Cattleya iricolor: This species is distinguished by its long, slender, fragrant flowers with pale yellow or creamy white petals.
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mesenteries are strong serosal membranes that suspend organs of the digestive system from the body wall. select one: a. true b. false
a. true is the answer for mesenteries are strong serosal membranes that suspend organs of the digestive system from the body wall.
Mesenteries suspend the digestive tract?The mesentery connects the intestines to the abdominal wall, as well as allowing blood and lymph vessels, as well as nerves, to supply the intestines.
The mesentery is a membrane that separates the small intestine from the abdominal wall at the back. It protects the small intestine's blood vessels, nerves, and lymph vessels.The superior mesenteric artery transports nutrients and oxygenated blood to the intestines. The digestive system includes these organs. The artery is a branch of the aorta, the body's largest blood vessel. The superior artery is located above other arteries that supply the intestines.
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You come in contact with germs/ bacteria internal or external?
Answer: Inside
Explanation:Some bacteria live in and on our bodies and don’t cause problems. Other kinds of bacteria (as well as parasites and viruses) can make us very sick if they get inside our bodies. Bacteria and viruses can live outside of the human body (such as on a countertop) sometimes for many hours or days.To cause disease the germs has to enter our body
Select the BAR CHART tab, and turn on Show numerical values. How many cells are in the interphase stage of their life cycle?
Answer:
87
Explanation:
Use the following image to answer questions the next three questions. In the following questions, your answer will automatically be marked correct regardless of how you respond, so please compare your answers with the feedback to make sure you know the correct answer!
which of the following best describes this molecule?
monosaccharide
disaccharide
polysaccharide
Explanation:
disaccharide is your answer
what's the main function of Lipids?
What's the main function of Lipids?
Answer:-Main functions of Lipids are:-
Chemical messengers. Storage and provision of energy. Maintenance of temperature. Membrane lipid layer formation. Cholesterol formation. Some extra information on lipids:-A lipid is any of various organic compounds that are insoluble in water. They include fats, waxes, oils, hormones, and certain components of membranes and function as energy-storage molecules and chemical messengers.
– TheExtraterrestrial
what nerve structure is just lateral to the bodies of the thoracic vertebrae
The nerve structure just lateral to the bodies of the thoracic vertebrae is the spinal nerve. The spinal nerves emerge from the spinal cord through the intervertebral foramen and are part of the peripheral nervous system. They play a crucial role in transmitting sensory and motor information between the spinal cord and the rest of the body.
The nerve structure that is just lateral to the bodies of the thoracic vertebrae is the intercostal nerve. This nerve runs along the bottom of each rib and is responsible for providing sensory information to the skin and muscles of the chest, as well as controlling the movement of the muscles between the ribs during breathing.
The intercostal nerve is part of the larger peripheral nervous system, which consists of all the nerves outside of the brain and spinal cord. The intercostal nerve is one of the many nerves that branch off of the spinal cord at different levels throughout the body, and it plays an important role in maintaining proper respiratory function.
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What is formed inside the nucleus, then leaves and travels to the ribosome for protein synthesis?
mRNA
rRNA
tRNA
ZRNA
Answer:
tRNA
Explanation:
have to have 20 characters
how does the extensive folding of the inner mitochondrial membrane benefit a eukaryotic cell?
Answer: The extensive folding of the inner mitochondrial membrane benefits a eukaryotic cell by increasing the surface area inside the organelle, It creates more chemical reactions to occur since many of the chemical reactions happen on the inner membrane.
The extensive folding of the inner mitochondrial membrane increases the membrane surface area, thereby also increasing the number of electron transport proteins and protein complexes that are required to create ATP.
Cellular respiration has three main steps: glycolysis, the Krebs cycle and oxidative phosphorylation. These last two steps occur in the mitochondria.The inner mitochondrial membrane contains protein electron transport proteins that function to create a proton (H+) gradient across this membrane during the last step of cellular respiration (oxidative phosphorylation).Subsequently, this electrochemical gradient is then used to synthesize ATP by protein complexes known as ATP synthases.These ATP synthases are also localized in the inner mitochondrial membrane.In conclusion, the extensive folding of the inner mitochondrial membrane increases the membrane surface area, thereby also increasing the number of electron transport proteins and protein complexes (ATP synthases), which are required to produce ATP.
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What do you think is the importance of these cellular processes in living things? 1. Photosynthesis 2. Cellular Respiration
1. help maintain the balance of carbon and oxygen in the air
2 Respiration provide cells with oxgen
How are forensic pathology and entomology connected? Explain in 10-20 sentences
Forensic pathology and entomology are connected through the field of forensic entomology, which involves the study of insects and other arthropods in relation to legal investigations. Here are the key points explaining their connection:
1. Forensic pathology focuses on determining the cause and manner of death by examining human remains, while forensic entomology uses insects found on or near the remains to gather evidence.
2. In cases where the time of death is uncertain, entomological evidence can provide valuable insights by studying the insect life cycles and succession patterns.
3. Forensic entomologists collect insect samples from the crime scene, including eggs, larvae, pupae, and adult insects, and analyze their species, development stages, and distribution.
4. By studying the developmental stages of insects on the body, entomologists can estimate the postmortem interval (PMI), which is the time since death occurred.
5. The type of insects present on the remains can also provide information about the location where death occurred or body movement after death.
6. Forensic pathologists work closely with forensic entomologists to consider entomological findings when determining the time and circumstances of death.
7. Insect activity, such as the presence of specific species attracted to decomposing remains, can help indicate if a body has been moved or tampered with.
8. Forensic entomologists may also analyze the presence of drugs or toxins in insects found on or near the body, aiding in the investigation of poisoning cases.
9. Both forensic pathology and entomology play crucial roles in criminal investigations, providing complementary evidence to reconstruct the circumstances surrounding a death.
10. The integration of forensic pathology and entomology findings can enhance the accuracy of PMI estimates, leading to more reliable forensic conclusions in court.
11. The expertise of both forensic pathologists and entomologists is often required to testify in legal proceedings and assist in the criminal justice system.
12. Forensic entomology can be particularly useful in cases involving decomposed or skeletonized remains, where traditional methods of determining the time of death may be inadequate.
13. Additionally, entomological evidence can help identify cases of neglect, abuse, or improper disposal of human remains.
14. The knowledge and research in entomology, including insect behavior, ecology, and life cycles, contribute to the advancement of forensic science as a whole.
15. Collaboration between forensic pathologists and entomologists allows for a multidisciplinary approach to death investigations, providing a more comprehensive understanding of the evidence at hand.
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Which of the following is not a natural cause of extinction?
a.competition due to overpopulation
b.introduction of non-native species
c.catastrophic events
d.disease
Answer:
Introduction of Non-native species would be the answer. ( B )
Explanation:
Now let's break it down.
A. Competition due to overpopulation
Competition due to overpopulation, as competition of resources rises, species will fight among each other, and slowly, population will go down. But I don't see the reason of why it would cause an extinction... perhaps a decrease of population. See, once populations starts decreasing, resources will increase. And ONCE resources increase, populations starts increasing, and there goes competition. Resources decreases, populations decreases, and the whole process repeats. So I'm not quite sure whether it will cause extinction of a species.
B. Introduction of Non- native species.
So what does it mean by Non-native species?
It means that species that have no effect and doesn't exist in the ecosystem. So that will definitely not affect the population whatsoever.
C. Catastrophic Events
Well, common sense. Many people died of tsunamis, tornado and other natural disasters every year. Too many disasters can cause the population to cease.
D. Disease
This we can relate, especially the Coronavirus. Many humans died of the deadly virus. Same goes to animals. If a disease gets too deadly, population will decrease and drive the species to extinction.
So, the Answer would be B.
HOPE THIS ANSWER HELPED :)Among the given options, the one that is a natural cause of extinction would be:
b). Introduction of non-native species.
'Non-native species' are described as the species that are introduced to an ecosystem different from its native habitat.
These species are severe threat to the existing ecosystem of the new habitat including plants, animals, aquatic life, etc. where they've been shifted.
Thus, it is not a natural cause as these species are not naturally introduced but the humans introduce them.
They turn so dominating to get their food and other things that it lead not only harmful but also lead to the extinction of the native species.
Hence, option b is the correct answer.
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Please help me on this
Which is a tough and rigid layer that surrounds plant cells, as well as some algal and bacterial cells?
cell wall
centriole
nucleus
cell membrane
The tough and rigid layer that surrounds plant cells, as well as some algal and bacterial cells, is called the cell wall. Therefore, the correct statement is option A.
What are the functions of cell wall?The cell wall provides mechanical support to the cell, thereby, protecting it from damage caused by external factors. The cell wall consists of complex carbohydrates, such as cellulose, lignin, etc.
The cell membrane is selectively permeable, and the cell wall is porous allowing the passage of some molecules. The cell wall also helps in cell communication and signaling.
The cell wall determines the shape of the cell and helps in the regulation of growth and development. The thickness and composition of the cell wall change with respect to different environmental conditions and helps in the survival and function of many types of cells.
Therefore, the tough and rigid layer that surrounds plant cells is called the cell wall.
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How doe your anwer to quetion 1 upport the idea that organim in communitie depend on one another for matter and energy?
There are several ways to support idea that organism in community depend on one another for matter and energy : food webs , symbiotic association , mutualism etc.
The organism in the nature depends on one another for food, water, protection, nutrient supplies etc.
food web, the organism depends on one another for food and energy
The organism like cow depends on plants for food, animals like tiger deoends on cow for food, eagle depends on tiger for theri food as they are scavengers.
symbiotic relationship, like algae and fungi where algae is supplied by water and protection and food is supplied to fungi in return.
mutualism, here both the organisms benefit from each other
eg, aphids and ants.
bees and flower
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Which of the following user types has the highest privileges in a Windows enterprise environment? O Delegated admin Guest user O Domain admin Enterprise admin
Enterprise admin has the highest privileges in a Windows enterprise environment.In a Windows enterprise environment, there are different user types that have different privileges.
An Enterprise admin is a user who is responsible for managing the entire domain infrastructure of the organization.A domain is a collection of computers and devices that share a common directory database, security policies, and other resources. The Enterprise admin has the ability to add or remove domains, create new user accounts, assign privileges to user accounts, manage security policies, and manage domain controllers.
The Enterprise admin can also manage other administrators such as Domain admins and Delegated admins.A Delegated admin is a user who has been granted permission by an Enterprise admin to perform specific administrative tasks within a domain or set of domains. A Domain admin is a user who is responsible for managing a specific domain within the organization. A Guest user is a user who has limited access to resources within the domain. Hence, the correct option is Enterprise admin.
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If the tube is permeable to starch, which way would the starch move?
[ into the tube / out of tube]
8. If the tube is permeable to iodine, which way would the iodine move?
[ into the tube / out of tube ]
9. If the tube is permeable to iodine, what color would you expect the contents to change? [ orange / purple / no change ]
What about the solution in the beaker? [ orange / purple / no change ]
10. If the tube is permeable to starch, what color would you expect it to change? [ orange / purple / no change ]
11. What about the solution in the beaker?
[ orange / purple / no change ]
If the tube is permeable to starch, the starch would move out of the tube and into the surrounding solution in the beaker. This is because the concentration gradient for starch is higher inside the tube than outside, so the starch will diffuse down its concentration gradient until equilibrium is reached.
8. If the tube is permeable to iodine, the iodine would move into the tube and react with any starch present to form a purple-blue complex. This is because iodine is a starch indicator and will turn blue in the presence of starch. So, if the tube is permeable to iodine, we would expect the contents of the tube to turn purple.
9. As for the solution in the beaker, if the tube is permeable to iodine, we would also expect the surrounding solution to turn purple as iodine diffuses out of the tube and reacts with any starch present in the solution.
10. If the tube is permeable to starch, we would expect it to change color if iodine is added. As mentioned earlier, iodine reacts with starch to form a purple-blue complex, so if iodine is added to the tube, any starch present would turn purple.
11. Lastly, if the tube is permeable to starch, but no iodine is added, there would be no change in color for both the contents of the tube and the surrounding solution in the beaker. This is because starch does not have any inherent color or reaction with water, and so would remain unchanged unless an indicator like iodine is added.
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7. You perform a karyotype on a human cell and find that it has 23 chromosomes. Is this a somatic cell or
gamete? How do you know?
Acell membrane is very specific about what it allows across. How does this help the cell?
A. Transport proteins allow only enzymes to pass through the membrane.
B. It is better for the cell if most molecules are prevented from entering
C. The cell works better when it contains fewer proteins.
D. It helps the cell absorb as many different molecules as possible.
Explanation:
It helps the cell absorb as many different molecules as possible.
HELP ME PLS
Gene therapy involves the transplantation of normal genes into a genome in place of missing or defective genes. Many scientists believe that gene therapy will lead to revolutionary new treatments for cancer. Why do you think gene therapy is such a promising field for this disease?
Answer:
it is so promising for the medical field because as people age their gene's and dna age. as the dna ages sometimes certain proteins are mixed up and if the replicate themselves they could cause a deformity or cancer. switching out those bad gene's with better ones could help reduce the death rate of cancer by stopping the cancer cell's from multiplying.
Explanation:
hope that's right
Gene therapy attempts to treat illness or strengthen your body's resistance to illness by replacing a damaged gene or adding a new gene. Numerous disorders, including cancer, cystic fibrosis, heart disease, diabetes, haemophilia, and AIDS, may be treated with gene therapy.
What gene therapy is such a promising field for disease?Patients could be able to live without the stress of continual medical care or day-to-day disease management thanks to gene therapy. We go beyond assisting patients in controlling their illnesses.
Because people's genes and DNA mature as they become older, it holds great promise for the medical industry. Some proteins can mix up as the DNA matures, and if they reproduce themselves, they could result in a deformity or cancer.
Therefore, By stopping the cancer cells from proliferating, replacing those harmful genes with better ones may help lower the death rate from cancer.
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1. You have isolated a long hydrophobic molecule that inserts itself within biological membranes. Specifically, it spans
both layers of the lipid bilayer after insertion. Would you expect this molecule to mimic the effect that some general
anesthetics have? Why or why not? Refer to the general anesthetic mechanism outlined in Figure 5 as a resource.
The hydrophilic heads face the water at each bilayer surface in this energetically most-favorable configuration, while the hydrophobic tails are protected from the water inside.
What kind of lipids have both hydrophilic and hydrophobic ends?Phospholipids are lipids with phosphate groups and are a crucial part of cell membranes. A phospholipid has a hydrophilic (loving water) head and a hydrophobic (hating water) tail (see figure below).
In the body's aqueous environment, what interactions lead to the creation of lipid bilayers?Hydrophobic interactions are the primary mechanism behind the development of the lipid bilayer. A phospholipid's hydrophobic domains are attempting to repel polar hydrophilic water molecules.
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what is homeostasis?
the body's way of coping of outside factors
the body's ability to heat up and cool down
the body's natural way of maintaining equilibrium or balance
the body's standard heart rate
Answer: C or if there is an E for all the above
Explanation: Homeostasis refers to the body’s ability to maintain a stable internal environment (regulating hormones, body temp., water balance, etc.).
how plasma membrane is flexible in nature justify the statement
The percentage of oxygen in air is 21%.
The mass of air in a classroom was 220 kg
Calculate the mass of oxygen in the classroom.
Mass of oxygen=?
The mass of oxygen in the room would be 46.2 kg.
Percent compositionThe percent composition of a component of a substance refers to the mass of the component in relation to the mass of the substance itself. This can be mathematically expressed as:
Percent composition = mass of component/mass of substance x 100%
In this case, the percent composition of oxygen in the air is given as 21% and the total mass of air in the classroom is given as 220 kg. The amount of oxygen in the classroom can be calculated as follows:
Percent composition of oxygen = mass of oxygen/mass of air
Making the mass of oxygen the subject of the formula:
Mass of oxygen = percent composition of oxygen x mass of air
Now, let's substitute the values:
Mass of oxygen = 21% x 220
= 0.21 x 220
= 46.2 kg.
In other words, the mass of oxygen in the classroom would be 46.2 kg.
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growth factors are necessary at certain times for proper growth and development. can growth factors ever have an unintended negative effect? if so, briefly explain your answer.
Yes, it is known that producing too much of a few growth factors can cause and aggravate cancers.
What cancers don't show up in blood work?Most malignancies, with the exception of leukaemia, cannot be found using basic blood tests like a CBC. Tumor markers, which are minerals and enzymes that may be present in the blood in larger amounts than usual when cancer is present, may only be discovered through particular blood tests.
Which cancers are most likely to recur?Some cancers are difficult to cure and have high rates of recurrence. For instance, recurrence occurs despite treatment in nearly all glioblastoma patients. Patients with ovarian cancer have an 85% chance of a recurrence.
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Why do we need to have a system of classification? What are characteristics that scientists look for when classifying organisms, and what does this information tell us about these organisms' histories?
The classification system delivers a great value of knowledge about the features of organisms. This knowledge separates the different species of organisms.
The classification system is a hierarchical method that groups organisms related to their characteristics like physical characteristics, genetic makeup, and evolutionary connections. Each organism has a special scientific name that combines genus and species names. This system of scientific terms is known as binomial terminology.
Scientists categorize organisms according to their evolutionary past and how connected to each other. All organisms can be categorized into three domains known Bacteria, Archaea, and Eukarya. This information can be used for all living organisms.
A ciliated version of pseudostratified columnar epithelium containing mucus-secreting goblet cells a. aids in digestion b. lines most of the respiratory tract O c is found in some of the larger glands od. is more durable than all other epithelia QUESTION 22 Click Save and submit to do and submit Click Sark All Answers to save all users DELL
The correct answer to the given question is option "B. Lines most of the respiratory tract."The ciliated version of pseudostratified columnar epithelium containing mucus-secreting goblet cells is found in the respiratory tract and lines most of the respiratory tract.
The pseudostratified columnar epithelium contains a single layer of cells. These cells, in the respiratory tract, are specialized for their secretory and ciliary actions. The apical surface of these cells has a motile ciliary border, which extends from the surface of the tissue towards the lumen of the tract. These cells also contain mucus-secreting goblet cells. The primary function of the pseudostratified columnar epithelium with goblet cells in the respiratory tract is to secrete mucus to capture inhaled particles and move them up and out of the airways via cilia. Hence, the correct answer is "B. Lines most of the respiratory tract."
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The ciliated version of pseudostratified columnar epithelium with goblet cells lines the respiratory tract, helping to move mucus and particles out of the system and protecting it from harm.
Explanation:The ciliated version of pseudostratified columnar epithelium containing mucus-secreting goblet cells lines most of the respiratory tract.
This cellular covering helps in the movement of mucus and trapped particles out of the respiratory tract, protecting the system from microorganisms and harmful material. The goblet cells secrete mucus that traps irritants and prevents them from entering the lungs.
Additionally, the goblet cells interspersed among these specialized epithelial cells play a vital role in this process. These goblet cells are responsible for secreting mucus, a viscous and protective substance. The mucus produced by these cells acts as a sticky trap for irritants, capturing them and preventing their entry deeper into the lungs. This dual action of cilia and mucus secretion is a critical component of the respiratory system's innate defense mechanisms, helping to ensure the airways remain clear and free from potential hazards.
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Explain why alveolar air pressure decreases and then increases during inhalation
Answer:
Please make me brainalist and keep smiling dude I hope you will be satisfied with my answer
Explanation:
During inspiration, the diaphragm contracts and the thoracic cavity increases in volume. This decreases the intraalveolar pressure so that air flows into the lungs.
There is a city called Khulna. The city peoples have been suffering from water supply, sanitation and drainage, solid waste disposal, clinical and hospital wastes, domestic sewage disposal, industrial pollution, water logging, slum and squatters, destruction of open and green spaces etc. The city dwellers expressed their concerns about the recent environmental problems they are being encountering everyday.
Every environmental issue is associates with a variety of problems such as aesthetic problem, health hazard, severe drainage congestion, pollution of soils and water bodies, which has sociological, ecological, economical and political implications. Waste, water logging, water supply, sanitation and drainage issues are the major problems for daily city life. The present waste and water supply, sanitation and drainage management scenario in Khulna city is not up to the desired level.
Q: Discuss about future of Khulna City if we do not take steps on it.
If steps are not taken to address the environmental problems faced by Khulna City, the future could be challenging and potentially worsen in several aspects such as Healthcare and Environmental Degradation.
Health Implications: The inadequate water supply, sanitation, and drainage systems can lead to an increased risk of waterborne diseases, such as diarrhea, cholera, and other infections. This can have severe consequences on public health, resulting in higher healthcare costs, increased morbidity, and mortality rates.Environmental Degradation: Without proper waste management and pollution control measures, the city's environment will continue to deteriorate. Pollution of soils and water bodies can harm ecosystems, reduce biodiversity, and contaminate natural resources. This can have long-term implications for agricultural productivity, water availability, and overall environmental sustainability.Infrastructure Challenges: The issues of severe drainage congestion and water logging can cause significant damage to infrastructure, including roads, buildings, and public utilities. This can disrupt transportation, hinder economic activities, and increase maintenance costs for public infrastructure.Socioeconomic Impact: The environmental problems in Khulna City can have profound socioeconomic implications. Aesthetic problems, such as the destruction of open and green spaces, can impact the quality of life and attractiveness of the city for residents, tourists, and potential investors. The presence of slums and squatters further exacerbates social inequality and can lead to social unrest.Economic Consequences: The inefficient management of waste, water supply, sanitation, and drainage can impose economic burdens on the city. Increased healthcare costs, damage to infrastructure, and decreased productivity due to health issues and environmental constraints can hinder economic growth and development. It can also deter potential investments and affect the livelihoods of the residents.Political Challenges: The inability to address these pressing environmental issues can lead to public dissatisfaction and unrest. It may result in a loss of confidence in the local government's ability to provide basic services and ensure the well-being of the population. This can create political challenges and impact the stability and governance of the city.To secure a better future for Khulna City, it is crucial to prioritize and implement sustainable solutions to address the existing environmental problems. This requires collaborative efforts between the government, local authorities, communities, and relevant stakeholders to improve waste management, enhance water supply and sanitation systems, manage drainage effectively, mitigate pollution, and preserve natural resources. Investing in sustainable infrastructure, promoting environmental awareness, and enforcing regulations are key steps to create a healthier, more livable, and resilient city for the residents of Khulna.
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The North Pacific Gyre forms a vortex that traps garbage in an area near the American west coast. What causes the currents to rotate in this manner?
Answer:
Earth's wind patterns and the forces created by the rotation of the planet.
Explanation:
Organic material in soil contain a substance called humus humus is defined as
A dark organic matter that form when plant and animal
B dark organic matter that forms from granites
C dark organic matter that froms from sand