Why is nitrogen cycle regarded as a complete cycle?
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Related Questions
What is biology??And what does it came from??
Answers
Answer:
BIOLOGY IS THE STUDY OF LIFE
Explanation:
Answer:
Biology is studying about life and the human body. The term biology in its modern sense appears to have been introduced independently by Thomas Beddoes (in 1799)
Hope this helps!
The reproductive structure of a fungus is (a)
a. network of fibers. c. mushroom.
b. fungi. d. chlorophyll.
Answers
Answer:
C. Mushroom
Explanation:
My previous answer got deleted :/
It was on an answer key
- If an insufficient amount of the vitamin in the previous question is present, what condition can it cause?
a. MRSA
b. Herpes
c. Rickets
d. Staph
Answers
Answer:
A
Explanation:
Got it right on study island
which combination of cells and growth factors would serve as the control group?
Answers
Answer:
These stimuli, called growth factors, are naturally occurring proteins specific to certain groups of cells in the body. They include nerve growth factor, epidermal growth factor, and platelet-derived growth factor.
Explanation:
Hope this helps.
Growth factors are defined as the proteins that bind to specific receptors, which activate the cascade of signal transductions. The growth factors lead to proliferation, apoptosis, and development.
Different types of growth factors stimulating the signal transduction are:
1. Nerve growth factor is controlled by the gene NGF. It provides the instructions to make the beta protein, which is important for the survival and development of the nerve cell.
2. Epidermal Growth Factor is a type of factor that stimulates cell development and cell proliferation. It generally stimulates the fibroblasts and epithelial cells.
3. Platelet-derived growth factor regulates cell division and growth. These factors help in healing and repairing the wound and walls of the damaged blood vessels.
Thus, the growth factors when bound to specific cell receptors control the various activities of the cells.
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⦁ Arrange these statements in the right order to describe process of inhalation.
____ Air is drawn into the lungs
____ Air pressure in the chest cavity decreases
____ Lungs expand
____ The diaphragm contracts and flattens
____ The muscles between the ribs contract to move the ribs up and out
Answers
Answer:
air is drawn into the lungs
lungs expand
the muscles between the ribs contract to move the ribs up and down
air pressure in the chest cavity decreases
the diaphragm contracts and flattens
Inhalation has been part of respiration. It includes drawing air into the lungs that expand the lung cavity by pulling the ribs leading to contracting the diaphragm followed by a decrease in lung pressure. Thus the correct order is 1, 3, 5, 4, and 2.
What is inhalation?Inhalation is the respiratory process to inhale oxygen inside the respiratory system for the cellular and respiratory processes. At first, the air is drawn into the lungs followed by expansion of the lungs.
This causes the ribs muscles to move up and down to accumulate the volume. This movement causes the diaphragm to flatten and contract which allows the oxygen to take place in the lungs that decreasing the air pressure in the cavity.
Therefore, the air is drawn inside the lungs in inhalation.
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A client has recently received a pneumococcal vaccine and the client's B cells are consequently producing antibodies. Which cells may enhance this production of antibodies
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Lymphocytes are the cells that enhance production of antibodies.
Which cells may enhance production of antibodies?Lymphocytes are the cells responsible for immunity. Lymphocytes are divided mainly into B and T cells. B lymphocytes produce antibodies that recognize antigen and attach themselves to them.
So we can conclude that Lymphocytes are the cells that enhance production of antibodies.
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HELP The movement of tectonic plates in two different locations is shown below:
Which statement is most likely true?
A) An earthquake may occur in Location A only and a volcanic eruption may occur in Location B only.
B) Subduction may occur in Location A and a volcanic eruption mah occur in Location B only.
C) Subduction may occur in both locations
D) Earthquakes may occur in both location
Answers
Explanation: Because earthquakes take place in both the Convergent Plate in Location A and Transform Plate in Location B.
How are trees agents of mechanical weathering?
Practice
A
Growing tree roots physically break apart rock.
B
Tree roots secrete a lot of acids that react with minerals in the rock.
C
Trees cause chemical reactions to take place altering the soil and rock nearby.
D
Trees do not cause rocks to weather.
Answers
Growing tree roots physically break apart rock are the tree agents of mechanical weathering. So, the correct option is (A).
What is Mechanical Weathering?Mechanical weathering is also called physical weathering in which a large rock breaks down into smaller pieces of rocks. When rocks decompose or break down without experiencing any change in their chemical composition, it is known as mechanical weathering.
There are 3 Mechanical Weathering Processes which break down rocks
Frost wedging.Exfoliation.Biological activityThe roots of a plant grow into a crack in a rock. When these roots grow, they open the crack. Burrowing animals can also cause weathering. The animal may break the rock to dig for food or make a hole to live in.
Thus, growing tree roots physically break apart rock are the tree agents of mechanical weathering. So, the correct option is (A).
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How does acid rain cause animals to suffer?
their habitats are destroyed by the severe weather rain can bring
animals can only find food in dry weather so they often go hungry during rain
O acid rain causes their to be less plants for animals to eat
acid rain is only a problem for humans
Answers
Acid rain harms numerous animals and plants. Thus, the food web suffers. Acid rain kills lake phytoplankton. As a result, phytoplankton-dependent insects die. Therefore, option (C) is correct.
What is acid rain?Acid rain, also known as acid deposition, is an all-encompassing word that refers to any form of precipitation that contains acidic components, such as sulfuric or nitric acid, and that falls to the ground from the atmosphere in either a wet or dry form. Acid precipitation can take several forms, such as rain, snow, fog, hail, or even dust.
Rain that contains acid can provide significant challenges for a wide variety of flora and fauna. As a direct consequence of this, the entire food web is disrupted. For instance, phytoplankton in lakes might perish as a direct result of acid rain. As a result of there being less phytoplankton available, the insects, which get their nutrition from it, are starting to starve to death.
Therefore, option (C) is correct.
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MAKE CONNECTIONS Review Figure 10.4 and Figure 10.6 . If a plant has mycorrhizae, where might carbon that enters the plant's stomata as CO₂ eventually be deposited: in the plant, in the fungus, or both? Explain.
Answers
In the case where a plant has mycorrhizae, both the plant and the fungus receive some carbon that enters the plant's stomata as CO₂.
The mycorrhizae aids the plants in obtaining nutrients, particularly phosphorus, from the soil that they can not get on their own.Explanation:Figure 10.4 shows a symbiotic relationship between the roots of a plant and a fungus called mycorrhizae. The mycorrhizae help the roots absorb nutrients from the soil, especially phosphorus. The roots, on the other hand, give the fungus a source of carbohydrates, which it needs to survive.
Figure 10.6 depicts how the carbon dioxide (CO₂) taken in by the plant's stomata and then is converted into organic carbon. Carbon is found in the form of carbohydrates in the plant, and the plant utilizes them as a source of energy.
The carbohydrates produced by the plant are transported to the roots and eventually to the mycorrhizae fungi, where the fungus utilises them as an energy source for growth.In conclusion, the carbon that enters the plant's stomata as CO₂ might eventually be deposited in both the plant and the fungus, provided the plant has mycorrhizae.
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Help!!! DUE TODAY!!!!!!!!!
A water bottle is shown sitting upright. Then it is shown upside down. The water always moves toward the lowest part of the bottle.
Which force is responsible for moving the water to the lowest part of the bottle?
A.) electric
B.) friction
C.) gravity
D.) magnetic
Answers
Answer: B
Explanation: Because inside of the bottle when the bottle is tipped upside down the friction from the water going against the walls should push it down.
It would be appriciated if someone could help :)
The punnett square below examines the freckles allele. Describe the genotypes and phenotypes of the two parents that produce the four possible gamete combinations in the following punett square:
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Explanation: I don’t know if the 1/2s have anything to do with it but if they don’t then what I put above is the answer :)
chemicals such as histamine, prostaglandins, serotonin, and substance p chemicals such as histamine, prostaglandins, serotonin, and substance p only sensitize and activate nociceptors. sensitize, activate and inhibit nociceptors. only activate nociceptors. only sensitize nociceptors. only inhibit nociceptors.
Answers
Serotonin, substance P, prostaglandins, as well as histamine all just intensify and activate nociceptors.
What impacts the body does histamine have?Histamine interacts with nerves to induce burning. When consumed by those with food sensitivities, it might cause nausea and diarrhea. Moreover, it compresses the muscles in the lungs, trying to make inhalation more challenging. When histamine causes anaphylaxis, a dangerous reaction that might be fatal, this is especially worrying.
What histamine symptoms are present?Some people's bodies do not adequately break down histamine, causing it to build up. This could result in an immunological reaction that shows up as symptoms like diarrhea, shortness of breath, headaches, or irritation of the skin. Apart from dietary modifications, there isn't any proven means of treatment for lactose intolerant individuals.
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La distancia, medida en grados, al norte y al sur del ecuador se conoce como
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Latitude refers to the angular distance, expressed in degrees, between a location and the equator, indicating its position north or south of the equator.
What is an equator and latitude?The Earth is divided into the Northern and Southern Hemispheres by an imaginary line known as the equator. Latitude lines, which are parallel to the equator, run horizontally from east to west. At a latitude of 90 degrees, we find the North Pole in the northern hemisphere and the South Pole in the southern hemisphere.
Latitude is used to determine the location of places on Earth. For example, the city of New York is located at 40 degrees north latitude. This means that it is 40 degrees north of the equator.
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what did charles Darwin and Alfred wallace propose
Answers
Answer:
"theory of evolution by natural selection,”
this was proposed by charles darwin and alfred wallace in the 19th century
How do sensory nerves differ in function from motor nerves?\
a.
Sensory nerves carry information away from CNS, and motor nerves carry information to the CNS.
b.
The PNS controls sensory nerves and the CNS controls motor nerves.
c.
Sensory nerves carry information to the CNS, and motor nerves carry information away from the CNS.
d.
The CNS controls sensory nerves and the PNS controls motor nerves.
Answers
To enable you to touch, taste, smell, and see, sensory nerves send messages to your brain. To move and operate, your muscles or glands receive instructions from your motor nerves (option b).
What is the ideal method for defining muscles?Do both cardiovascular and weight training. Muscle growth and definition are aided by resistance training. However, you'll also need to engage in some aerobic activity to burn calories and remove the additional layers of fat between the muscles.
What promotes faster muscle growth?After working out, eating adequate calories and protein aids in muscle growth and rehabilitation. Protein makes up muscle, so it's important to consume enough of it after strength training to prevent the breakdown of muscle protein and promote muscle synthesis.
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19) List the layers of the leaf starting at the upper cuticle all the way to the lower cuticle.
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Inside plant veins are two different types of tissues. Xylem carries water and minerals up from the roots of the plant and phloem carries the sugars (nutrients) away from the leaf to areas where the plant is growing or to storage areas in the plant.
Describe the position of the vein(s) in each model.
20a) In the leaf in Model 2.
20b) Within the leaf cross section in Model 3.
21) How does the placement of veins help to carry out their function of transporting materials to and from the leaf?
22) Which kind(s) of cells have chloroplasts in them?
23) Remembering the function of chloroplasts, in which part(s) of the leaf is photosynthesis taking place?
24) The green color of chloroplasts is due to a pigment in them that absorbs light energy. Knowing this, infer which layer inside a leaf gives the whole leaf its green color. Write one complete sentence to express your reasoning.
25) Through which layer(s) does light energy travel to reach the palisade mesophyll?
26) List at least three differences between the cells of the palisade mesophyll and the cells that make up the other areas within the leaf.
1)
two)
3)
27) How would the cylindrical shape of the palisade mesophyll cells increase the amount of photosynthesis that the leaf can carry out?
28) What would be the advantage(s) to having no chloroplasts in the cells of the spongy mesophyll?
29) Suppose there were many chloroplasts in the cells of the upper epidermis. How would that change the amount of sunlight reaching the chloroplasts in the palisade layer?
30) Considering its locations and your previous knowledge of the word, what do you think might be the function of the epidermis?
31) Considering its locations and your previous knowledge of the word, what do you think might be the function of the epidermis?
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The cuticle covering the upper and lower epidermis of land plants is made of a waxy substance that repels water in much the same way as wax on a paper cup.
32) What is the purpose of having a water-tight covering?
Look carefully at the lower surface of the leaf in Model 3.
33a) What structure is found between guard cells?
33b) How would you describe this structure?
33c) How would this affect the ability of the leaf to retain water especially in dry conditions?
34) Suggest a way in which the stoma and guard cells arrangement might work to control the amount of water that is leaving the leaf.
35) What is the relationship between the stoma and an air space?
36) Looking back at Model 2, what gases might you find inside the air spaces?
37) During the time that stomata (the plural of stoma) are closed, gases cannot enter or leave. Explain how this would affect the plant's ability to do photosynthesis.
38) During the time that stomata (the plural of stoma) are closed, gases cannot enter or leave. Explain how this would affect the plant's ability to do photosynthesis.
39) How would the cuticle and stomata work together to maintain the leaf’s function?
Extension Questions
40) In grammatically correct sentences, trace the path of the reactants for photosynthesis as they enter the leaf.
41) In grammatically correct sentences, trace the path of the products of photosynthesis as they exit the leaf.
help me please
Answers
Animal cells lack chloroplasts; exclusively plant cells contain. The production of sugars, which power the cell's mechanism, is the role of the chloroplast.
What are cells called?Cells are the essential building blocks of all living things. There are two different types of cells: prokaryotic cells, which lack a nucleus but still possess a nucleoid area, and prokaryotic organisms, which have a nucleus. They provide the body with structure, take in nutrients from food, convert that energy in and out of electricity, and carry out certain functions.
Where do cells come from?Scientists once believed that life organically evolved from inanimate substances. As a consequence of investigations and the invention of the microscope, it is now understood that cells arise from preexisting cells and that life derives from earlier life. Cells mostly come into one of two categories: prokaryotic or eukaryotic.
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PLEASE HELP ASAPPPP
The question for this is: Four substances are involved in both photosynthesis and cellular respiration. They are sugars, water, oxygen, and carbon dioxide. Energy is also transformed from one type to another. Describe what happens to these four substances, light energy, and chemical energy during photosynthesis. Then write a simple equation for the substances and another for energy, using words and arrows to illustrate these changes.
My friends answer is:
Photosynthesis is the process by which plants use light energy to convert water and carbon dioxide into sugars and oxygen. During photosynthesis, light energy is absorbed by the plant and converted into chemical energy. The water and carbon dioxide are broken down into their component parts, and the oxygen is released into the atmosphere. The sugars are stored in the plant for later use. The equation for photosynthesis can be represented as light energy + water + carbon dioxide → sugars + oxygen. The equation for energy transformation can be represented as light energy → chemical energy.
D u m b it down to make it look like an 8th grader wrote it pls and thank u
Answers
Plants employ the process of photosynthesis to transform water and carbon dioxide into carbohydrates and oxygen.
Light energy is absorbed by the plant during photosynthesis and transformed into chemical energy. The oxygen is released into the environment, while the water and carbon dioxide are disintegrated into their component elements.
In the plant, the sugars are kept for future use. It is possible to write the photosynthesis equation as follows:
Light energy + water + carbon dioxide → sugars + oxygen.
Light energy → chemical energy can be used to describe the energy transformation equation.
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A red Corvette is traveling down Broad St. At 45mph. The speeld limit is 25 mph. The car is captured on camera speeding, how many miles per hour was the car traveling over the speed limit?
Answers
Answer:
The answer is 20 mph
Explanation:
This question is more technical than it is of actual calculation. The car was travelling at a speed of 45 miles per hour when the actual speed limit that should be observed is 25 miles per hour. His excess speed can be calculated as
45 mph - 25 mph = 20 mph
Thus, the car was travelling at a speed of 20 mph more than the actual speed limit of the road which is 25 mph
What is the relationship between a monomer and a polymer?
Answers
Answer:
The answer will be listed below.
Explanation:
A monomer is a type of molecule that has the ability to chemically bond with other molecules in a long chain; a polymer is a chain of an unspecified number of monomers. Essentially, monomers are the building blocks of polymers, which are more complex type of molecules.
Deer are mammals, which means all deer are covered in fur. Deer live in many different environments, and all deer have fur all year round. In the winter, deer grow thicker fur coats to help keep them warm. Which of these traits is inherited? Which is acquired?
Answers
Fur is an inherited trait of deers, but growing thick fur coats in winter may be an adaptive trait.
Inherited and acquired traitsInherited traits are dictated by genes while acquired traits are not backed by any gene.
Traits may be acquired as a result of a continued adaptation of organisms in order to survive in an environment.
However, some traits evolve by natural selection as organisms continue to struggle in their environments. Such traits are selected for by forces of natural selection and have genes that condition them.
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Answer:
A fur coat is an inheirted trait. A thick winter coat is an acquired.
Explanation:
inheirted means from their parents of by birth.
acquired is something where we learn from of that happens by the inviorment, or needs.
So, a fur coat is inheirted deers almost need it all the time since birth. And a thick winter coat deers only need for winter so its acquired.
hope it helps byeeee.
During hearing, the last structure(s) to vibrate, resulting in a nerve signal to the brain, is/are the
Answers
During the hearing, the last structure to vibrate, resulting in a nerve signal to the brain, is the auditory nerve.
What do you mean by Nerve signal?The nerve signal may be defined as the conduction of impulses that runs along with a nerve fiber from the axons to reach a neighboring neuron.
The process of hearing is initiated with the external projection of the ear which is known as Pinna. Then, the vibration of the sound reaches the tympanic membrane.
Then vibrations enter to middle ear which includes three tiny bones such as malleus, incus, and stapes.
At last, the vibrations reach the inner part of the ear which is known as the Cochlea. This part of the ear surrounds by auditory nerves which play a significant role in the transmission of signals to the brain.
Therefore, during the hearing, the last structure to vibrate, resulting in a nerve signal to the brain, is the Cochlea or the auditory nerve.
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How are the transport problems of a freshwater organism different from those of a saltwater organism?
Answers
Answer: The opposite
Explanation:
Salt water: water tends to be removed from cells due to osmosis
Fresh water: the opposite! Species that are adapted to those environments have to use active transport to adjust their water levels to the natural tendencies of osmosis in certain situations.
Describe the structures within the accessory olfactory epithelium and its uses.
Answers
The accessory olfactory epithelium is a specialized tissue located within the nasal cavity that contains a complex network of sensory structures. These structures include vomeronasal organs, which are responsible for detecting pheromones, and several types of receptor cells that respond to various chemical signals. The olfactory epithelium also contains supporting cells and basal cells, which help to maintain the integrity and function of the tissue.
The accessory olfactory epithelium plays a crucial role in mediating social and reproductive behaviors in many animals, including mice, rats, and other mammals. By detecting pheromones and other chemical cues, the epithelium helps to facilitate communication between individuals and can influence mating, aggression, and other social interactions.
Overall, the structures within the accessory olfactory epithelium are critical for mediating the complex social behaviors of many animals and are essential for our understanding of animal communication and social organization.
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I NEEEEEEDDDDD HELP PLEASE
Answers
Answer:
Like when you move around, or blink/talk :)
Answer:
Sweating to cool your body temperature or shivering to warm it
drag the images and/or descriptions to their corresponding class to test your understanding of infections caused by staphylococcus aureus and streptococcus pyogenes.
Answers
The understanding of infections caused by staphylococcus aureus and streptococcus pyogenes are scarlet fever and -impetigo-cellulitis.
Scarlet fever is an contamination because of pyrogenic exotoxin-generating S. pyogenes. S. pyogenes are gram-fine cocci that develop in chains.
Caused via way of means of S. pyogenes
- scarlet fever-pharyngitis which could result in rheumatic fever if untreatedCaused via way of means of S. aureus-scaled pores and skin syndrome- localized pores and skin lesions-armpit (image)because of S. aureus or S. pyogenes-impetigo-cellulitis, which could produce lymphangitis.With treatment, maximum human beings get better in approximately 4 to 5 days and may go back to nursery, college or paintings 24 hours after beginning antibiotic treatment.Read more about staphylococcus :
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Can someone plz help me? :(
Which statement best describes an important function of this organ?
O A. To help the body respond to the environment
O B. To take in and break down food for nutrients
O c. To take in oxygen and remove carbon dioxide
D. To transport materials to and from body cells
Answers
Answer:
A. To help the body respond to the environment
Explanation:
The brain and neural systems of animals help them maintain homeostasis (the regulation of internal systems) and receive and respond to external stimuli.
lonic bonds form between two negatively charged particles. *
True
False
Answers
Answer: False
Ionic bonds form after two different charged particles, like 1 electron and 1 proton. It can not be two of the same, like two negatively charged particles.
The answer is false. Hope it helps!
which muscle is highlighted? short head of biceps brachii brachialis coracobrachialis long head of biceps brachii
Answers
Coracobrachialis long head of biceps brachii is highlighted .
Coracobrachialis muscle, together with the short head of biceps brachii muscle, originates from the tip of the coracoid process.
Biceps brachii (BB),also called as biceps, these are large and thick muscle on the of the upper arm. The muscle is made up of a short head and a long head. The long head is located on the lateral side of the biceps brachii while the short head is located on the innermost side.
On the other hand ,Brachialis is a muscle group which lies underneath the biceps long head and can be focused on to increase the mass of the outer arm .
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Explain blood curculation in human body in brief (in 100 words)