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What are the main characteristics of epithelial tissues?
they compose glands
they contain blood vessels
they cover the body surface
they form the inner lining of body cavities
they line hollow organs
Answer:
Despite there being many different types of epithelial tissue all epithelial tissue have just five characteristics, these are cellularity, polarity, attachment, vascularity, and regeneration. Cellularity as the name suggests means that the epithelium is made up almost entirely of cells.
The main characteristics of epithelial tissues includes: they compose glands, cover the body surface, form the inner lining of body cavities and line hollow organs.
What is tissue?It is a group of cells having same structure and function.It includes: connective tissue, epithelial tissue, nervous tissue and muscle tissue.What is epithelial tissue?It covers the body surfaces.These are avascular, meaning they do not contain blood vessels.Glands are made up of epithelial tissues.They lines the body's inner cavity and hollow organs.It helps in movement of molecules across the its surfaces.It functions in absorption, secretion and protection.Hence, the correct options are: They compose glands, they cover the body surface, they form the inner lining of body cavities and they line hollow organs.
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Stars are composed primarily of which elements?
Answer:
hydrogen and helium
Explanation:
Which statement is true about water molecules?
A) The hydrogen atoms do not share electrons.
B) Water molecules cannot dissolve many substances.
C) The oxygen atom has a negative charge.
D) Water molecules move randomly around each other.
Answer: D
Explanation:
the hazard communication standard is also known as
Answer:
OSHA's Hazard Communication standard, also known as the “Right to Know Law,” is designed to ensure that vital information about chemical hazards and protective measures is passed along to workers who may come in contact with or handle these types of chemicals.
Explanation:
The Hazard Communication Standard (HCS) is also known as the "Right-to-Know" standard because the standard gives workers the right to know about hazardous chemicals.
What is the Hazard Communication Standard?The HCS was created by the Occupational Safety and Health Administration for workers so that they are informed about the hazards of the chemicals they work with and to reduce the incidence of injuries, and the standard requires chemical manufacturers, importers, and employers to communicate information about hazardous chemicals to workers through a variety of means. Employers must inform workers about the identity and hazards of any chemicals they work with, and HCS applies to all hazardous chemicals used in the workplace, including chemicals used in manufacturing and construction.
Hence, the Hazard Communication Standard (HCS) is also known as the "right-to-know" standard.
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the information in dna is contained in __________.
Answer:
the cell nucleus
Can you help me with this? :(
Answer:
yellow and red offspring will be produced
Create a hypothesis: Ben wonders if sugar water will help his vine plant grow taller than it would with regular water. He would like to do an experiment. Create an appropriate hypothesis Ben can test using an experiment. *your hypothesis can be anything as long as it is in the correct format and related to the experiment!
Answer:
Sometimes I wish I was a little baby again, because bruised knees heal faster than broken hearts
OI 1. Trình bày khái niệm và mục đích của việc nhân giống thuần chủng. Là mục đích của việc lại giống.
answer:
what is that mean??
pepsinogen, an inactive digestive enzyme, is secreted by the ________.
Answer:
It’s secreted by stomach cells called chief cells.
Explanation:
it’s quickly activated by hydrochloric acid to become pepsin. Pepsin is the active form of pepsinogen and it breaks down or metabolizes protein into smaller building blocks called amino acids and peptide fragments.
can 2 organisms live in the same ecosystem and not compete with each other? Explain
Answer:
The competitive exclusion principle says that two species can't coexist if they occupy exactly the same niche (competing for identical resources). Two species whose niches overlap may evolve by natural selection to have more distinct niches, resulting in resource partitioning.
Explanation:
Answer:
The competitive exclusion principle says that two species can't coexist if they occupy exactly the same niche (competing for identical resources). Two species whose niches overlap may evolve by natural selection to have more distinct niches, resulting in resource partitioning.
Explanation:
who disproved the theory of spontaneous generation
What are the main superorders for the class Monocotyledonae? When I searched it said there are 4 and I assume it's just the first two Alismatidae, Arecidae? ( If you answer I'll give brainliest and hearts )
According to Sterm’s Introductory Plant Biology 15th edition, there are four subclasses in the class Monocotyledonae, including Commelinidae, Liliales, Alismatales, and Acorus.
Commelinidae
Which of these is an example of a chemical change?
O A. Dissolving salt in water
O B. Melting loe
OC. Breakina tree branch
D. Burning a piece of wood
The everglades have remained unchanged throughout the last 100 years?
A.True
B.False
Answer: The Answer is a. True
Explanation:
Answer:
true
Explanation:
kwj owner w bisbsi. sodb.
Suggest why the blood flows through many channels in the dialysis unit, rather than through a single large channel
Hello there I hope you are having a great day :)
Blood travels through many different channels to optimize absorption. The water potential in the solution in the dialysis machine will need to be less than in the blood. If all the blood flows through a single large channel the blood water potential may be more negative than outside, therefore slowing absorption.
what is the main function of the reticular activating system?
The reticular activating system's main function is regulating transition between arousal and sleep−wakeness.
what is reticular activating system?The reticular activating system (RAS) is a bundle of nerves located in the brain and it is responsible for regulating wakefulness and sleep-wake transitions.
It is also involve in filtration of noise with processing of messages or make it slower during sleep, it alters the brain's electrical activity, electrical voltage of brain waves and the speed.
The primary function of RAS is higher at brain centres when important messages are received and filter the important messages, for example The eye sends messages to the brain through the optic nerve.
If the RAS system is damaged, it can cause sleep problems, lethargy, or coma, also play a role in narcolepsy and degenerative brain disorders like Parkinson's disease and supranuclear palsy
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Pick one sentence or paragraph from the article, and explain how it supports the idea that science is an evolving discipline that depends on repeated testing.
Answer:
From Edmentum:
“Paleontologists used to think that dinosaurs were similar across the continents—at least during the Jurassic period, says Novas. C. diegosuarezi’s mix of features now brings a wrinkle of doubt to that idea.” The paragraph explains that this new dinosaur gives some evidence that the dinosaurs in South America were structurally different from dinosaurs in other areas of the world. According to the paragraph, scientists will need to find and examine more dinosaur fossils from this region before they can support this claim. The claim supports the statement that science requires repeated testing.
Reworded:
“Paleontologists used to think that dinosaurs were similar across the continents—at least during the Jurassic period, says Novas. C. diegosuarezi’s mix of features now brings a wrinkle of doubt to that idea.” Paleontologists used to think all dinosaurs were similar all around the world, but the structure of a specific species of dinosaur made them second guess themselves. It seemed that the dinosaurs in South America were evolving different structures and functions than dinosaurs from other continents. The claim supports that the statement needs more testing.
Explanation:
Answer:According to Novas, "Paleontologists once believed that dinosaurs were identical on all continents, at least during the Jurassic era. The combination of traits on C. diegosuarezi currently casts some doubt on that theory. The structure of a particular species of dinosaur caused paleontologists to reevaluate their previous belief that all dinosaurs were globally identical. It appeared that the architecture and functions of South American dinosaurs were evolving differently from those of dinosaurs from other continents. The claim argues in favor of additional testing for the assertion.
Explanation: This is a hand written answer. NOT SAMPLE ANSWER
what are some of the functions of proteins in the body
Explanation:
The main building material in the body.
They are carriers of vitamins, hormones, fatty acids and other substances.
Provide the normal functioning of the immune system.
Provide the state of the "apparatus of heredity".
They are catalysts of all biochemical metabolic reactions of the body.
Using the following nucleotide sequence, predict the complementary strand sequence:
5′-TTAAACCCGTTGGAAC-3′
A. 3′-TTAAACCCGTTGGAAC-5′
B. 3′-AATTTGGGCAACCTTG-5′
C. 3′-CCGGGTTTACCAAGGT-5′
D. 5′-AATTTGGGCAACCTTG-3′
Answer:
The answer is D i think :)
Answer:
3′-AATTTGGGCAACCTTG-5′
Explanation
I just took the quiz and I got it right.
which system is responsible for triggering the physiological effects of the stress response?
Answer:
sympathetic nervous system
Explanation:
The sympathetic nervous system functions like a gas pedal in a car. It triggers the fight-or-flight response, providing the body with a burst of energy so that it can respond to perceived dangers.
Answer: the answer is endocrine system
Explanation:
what is the ultimate source of electrons for photosynthesis in plants?
Answer: Water
Explanation:
What is the ultimate source of electrons for photosynthesis?
In photosynthesis, water is the source of electrons and their final destination is NADP+ to make NADPH
Photosynthesis is a plant process to make food and energy. It includes various steps to release energy. The water molecule is the ultimate electron donor in the process.
What is photosynthesis?Photosynthesis is said to be the process that converts solar energy into the chemicals that are used as the energy source in cellular respiration activities. Here, sunlight, carbon dioxide, and water act as reactants.
The carbon dioxide and water undergo splitting by the membrane pigments and then the electron produced from water is carried with enzymes to make NADP⁺. This is further used to make NADPH. As result oxygen along with the sugar molecules are produced and are rich in ATP.
Therefore, water is the foremost source of electrons for photosynthesis in plants.
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Whales and hippos are thought to have evolved from a common ancestor around 54 million years ago. Which of the following is also true about these species?
Answer:
Both whales and hippos have almost no hair on their bodies. They do not have sweat glands.
Explanation:
Explain what is meant by the term antibiotic.
Explanation:
Any substance that inhibits the growth and replication of a bacterium or kills it outright can be called an antibiotic. Antibiotics are a type of antimicrobial designed to target bacterial infections within (or on) the body.
The cell membrane is a unique structure that has many functions.
How is the cell membrane involved in riding the body of bacteria,
allowing water to enter the cell, and export material out of the cell?
Answer:
The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell.
Explanation:
What is the name of the first and second tubule in the nephron?
Answer:
proximal tubule
Explanation:
Pct and dct
proximal convoluted tubule(Pct)
distal convoluted tubule (DCT)
Scientists have observed a gradual increase in temperatures in locations all across Earth, an event often called . The increase in temperature is one aspect of , a long-term change in weather patterns.
Answer:
Climate or Global Warming
Dunno what you're asking exactly-
A long-term change in the typical weather patterns that have come to characterize local, regional, and global climates on Earth is referred to as climate change.The phrase is synonymous with a wide variety of observed outcomes that are a result of these changes
What is a long-term change in weather patterns?
Storms, heat waves, floods, and droughts are just a few of the disasters that are getting worse as a result of rising temperatures.Warmer temperatures produce an atmosphere that can hold onto, release, and gather more water. This alters weather patterns such that wet areas get wetter and dry ones get drier. The long-term pattern of the weather in a place is called the climate.Hour by hour, day by day, month by month, or even year by year, the weather might change.A region's climate is determined by its weather patterns, which are typically monitored for at least 30 years.The climates in different places of the world vary.When the weather is consistent for several days or weeks at a time, a weather pattern develops.Cold weather, wet and rainy weather, and hot and dry weather are a few typical weather patterns.Heat waves, flooding, and blizzards can occur as a result of persistent weather patterns. Climate Change Causes... Greenhouse Gases.... Reflectivity or Absorption of the Sun's Energy.... Changes in the Earth's Orbit and Rotation.... Variations in Solar Activity.... Changes in the Earth's Reflectivity.... Volcanic Activity. These phenomena cover changes like sea-level rise, ice mass loss in Greenland, Antarctica, the Arctic, and mountain glaciers around the world, changes in flower/plant blossoming, and extreme weather events, in addition to the higher temperature trends indicated by global warming. The average thickness of 30 well-studied glaciers has declined by more than 60 feet since 1980, indicating that glaciers are thinning. Due to climate changes, the ocean level is rising, glaciers are melting, CO2 levels in the atmosphere are rising, the forest and wildlife are disappearing, and water life is also being disrupted.In addition, it is predicted that many species of plants and animals would become extinct if this trend continues.To learn more about weather patterns refer
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in a eukaryotic cell, where is most of the dna located?
The normal body temperature of an adult human is between 36.1°C and 37.2°C. The normal body temperature of an adult chicken is between 40.6°C and 41.7°C. Based on this information, do you think most human enzymes and chicken enzymes have identical structures? Explain why or why not.
Answer:
Almost 60% of chicken genes correspond to a similar human gene. Although, researchers uncovered more small sequence differences between corresponding pairs of chicken and human genes, which are 75% identical on average, than between rodent and human gene pairs, which are 88% identical on average
Explanation:
antigen-presenting cells usually display processed antigens to t cells in the _____________.
Antigen-presenting cells usually display processed antigens to T cells in the LYMPH NODES. These nodes are regions of the body where lymphocytes are activated.
T cells are white blood cells (lymphocytes), which form part of the immune system.
These cells (T cells) develop in the bone marrow.
The lymph nodes are secondary lymphoid organs in which naive T cells that search for specific antigens examine antigen-presenting cells (APCs) for their activation.
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