What is nitrogen cycle and, what things need the nitrogen cycle and why is it important?
(i need help)
Answers
Explanation:
So plants need nitrogen to make their proteins (proteins are made of carbon, hydrogen, oxygen, nitrogen and small amounts of sulfer).
Unfortunately, the nitrogen in the atmosphere is inert (unreactive).
But there are still other ways to get nitrogen:
1. Lightning. It causes some of the nitrogen to combine with oxygen, forming nitrogen oxides. These dissolve in rain and are washed into the soil where they form nitrates.
2. Artificial fertilizers. There are literally ammonium compounds and nitrates in those bags that people sell.
3. Nitrogen-fixing bacteria. So there is bacteria in the soil that live in root nodules on plants.
What do they do?? They use nitrogen from air spaces in the soil and combine it with other subsrances to make ammonium ions and other compounds.
4. Nitrifying bacteria. They turn ammonium ions into nitrates, which plants can use again. (so basically they serve nitrogen dish to the plant)
They convert the nitrogen containing substances into BETTER nitrogen containing substances for the plant
5. Denitrifying bacteria. FINALLY these bacteria turn nitrates and ammonia in the soil into nitrogen gas, which goes back to the atmosphere.
And the cycle goes on from the start...
Note that 1-3 are just ways in which nitrogen can be converted into a more reactive form.
I Hope this helps
Related Questions
the group protozoa is not an official taxonomic group and is used as an informal term only within the scientific community. select one: a. true b. false
Answers
The statement that says "the group protozoa is not an official taxonomic group and is used as an informal term only within the scientific community" is true.
What is a protozoa? Protozoa are unicellular organisms that are classified as eukaryotes. They are distinguished from other eukaryotes by the absence of multicellular structure or cell differentiation. Protozoa are mainly aquatic and can be free-living or parasitic. They are also classified based on their means of locomotion, which include cilia, flagella, and pseudopodia.
What is Taxonomy? Taxonomy is the biological classification of organisms. It is the science of grouping living organisms based on shared characteristics. This classification is primarily based on the evolutionary relationships between organisms, and it is used to help identify and understand different species. It involves the organization, naming, and classifying of organisms based on shared features such as anatomy, physiology, biochemistry, genetics, and ecology.
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A scientist is trying to discover a new treatment to stop cancer cells from
dividing. In the cancer cells, which of these processes will stop if the
treatment is successful?
Answers
Answer:
mitosis is the correct answer
3. What term describes a plant's response to external stimuli like light, gravity, and touch?
A. auxins
B. tropisms
C. differential growth
D. germination
Answers
Answer:t
Explanation:
Hope this helps :)
why does water take up more space than cold water? Your explanation should include the behavior of molecules in the water. 
HELP ASAP!!!!!!
Answers
Explanation:
the molecules in water is more tightly packed than ice, so water has greater density than ice as water freezes it expands. so ice has more volume ( it takes up more space, but has less density) than water.
describe the path followed by water from the soil, through the plant and into the atmosphere. where are the important resistances to water movement in this path? describe the casparian strip and its function. from the point of view of its function, what is the most important substance in the casparian strip?
Answers
The water moves from the soil through the cells of plants and finally reaches the atmosphere via transpiration. The resistance factors of this process are air, humidity, light intensity, temperature, and transpiration. Casparian strips are important for their impermeable nature for water movement.
The movement of water starts when the root uptakes water from the soil. The water first enters the growing root tip and then enters the root hairs. The water will move the root using three different pathways such as apoplastic, transmembrane, and symplastic pathways. Once this water crosses these pathways, the centers the cortex and crosses the endodermis having a Casparian strip. Then, water enters the xylem cells which are subject to long-distance transport. The water then vascular bundle and distribute in the epidermal and mesophyll cells. It is drawn into plant cell walls and is moved to the atmosphere in the form of water vapor via stomata. The resistance that affects this pathway is air, humidity, light intensity, temperature, and transpiration.
Casparian strips are impermeable substances that are found in the endodermal cells of plant roots. They form a barrier against the apoplastic flux and force the ions to pass through the selectively permeable membrane to the cytoplasm. This thus forms positive hydrostatic pressure and prevents the movement of toxic and pathogens.
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Following delivery of the placenta, the mother is experiencing vaginal bleeding. After massaging the uterine fundus and allowing the mother to breastfeed, the bleeding stops. This occurred because:
Select one:
A. a portion of the placenta was retained in the uterus.
B. these actions simulate the production of oxytocin and cause uterine contraction.
C. uterine massage increases blood flow to the uterus.
D. breastfeeding causes uterine blood vessels to dilate.
Answers
After massaging the uterine fundus and allowing the mother to breastfeed, the bleeding stops as these actions stimulate the production of oxytocin and cause uterine contraction. The correct option to this question is B.
The discharge of blood and mucus that begins after birth is referred to as vaginal postpartum hemorrhage or lochia. Bleeding after giving birth is common and natural: Your body is removing all the additional blood, mucus, and tissue it accrued over your pregnancy. You will consequently suffer postpartum bleeding whether you had a vaginal delivery or a C-section.
Lochia often weighs more and lasts longer than a menstrual cycle. Additionally, it contains some elements that you won't find in a typical menstrual period, such as uterine mucus and tissue, primarily from the area where the placenta was attached.
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List the seven major fish body forms. For three of the seven body forms, briefly
describe how physical characteristics are related to the habitat and niche of fish
species in that category.
Answers
The seven major fish body forms are- fusiform, compressiform, anguilliform, filiform, depressiform, sagittiform, and globiform.
Below are the descriptions of the three body forms and how their physical characteristics are related to their habitat and niches:Fusiform body form: This body form has a streamlined shape that allows for easy movement through the water. It is most commonly found in open-water fish, such as tuna and mackerel, that need to move quickly to catch prey and avoid predators. Its narrow shape reduces drag, which increases its swimming speed. The fusiform body form is particularly adapted for fast swimming, and it is typically found in fish that are pelagic (live in open water).
Compressiform body form: This body form is flattened from side to side, which gives the fish a ribbon-like appearance. The compressiform body form is well adapted to moving through the water by means of quick, darting movements. They are generally found in areas of shallow water or near the bottom of the sea floor, where they can quickly move to escape danger. For example, eels use the compressiform body form to move quickly through small crevices.Anguilliform body form: This body form is characterized by a long, thin shape that allows the fish to easily move through the water.
This body form is found in fish like eels, which live in narrow spaces such as burrows, rock crevices, or coral reefs. The elongated and flexible body structure of anguilliform fish enables them to move through complex environments easily.In summary, the physical characteristics of fish are related to their habitats and niches. Each of these three body forms is adapted to different environments, from open water to rocky crevices, and each is suited to a different type of swimming or movement.
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how does a neuroendocrine reflex work
Answers
A neuroendocrine reflex works by detecting a stimulus, sending signals through the nervous and endocrine systems, and producing a coordinated response in the body. The neuroendocrine reflex is an important aspect of the body's ability to maintain homeostasis or a stable internal environment.
A neuroendocrine reflex works by involving both the nervous and endocrine systems in a coordinated response to a stimulus. The process begins when a sensory neuron detects a stimulus and sends a signal to the brain. The brain then sends a signal to the endocrine system, causing the release of hormones that affect target cells and produce a response. This response can include changes in behavior, physiological processes, or the release of additional hormones.
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Define photophosphorylation?
Answers
The photophosphorylation is the synthesis of ATP from ADP and phosphate in the plants using the light energy absorbed during the photosynthesis process.
How do organisms depend on and compete for biotic and abiotic factors?
Your answer should include at least 6 sentences to explain the claim, evidence and reasoning.
Answers
Answer:
Organisms depend on and compete for both biotic and abiotic factors in an ecosystem. A few abiotic factors are sunlight, water, and territory. Plants compete for sunlight and water, and they depend on those factors for their survival. Biotic factors would include plants, bacteria, and other animals. Consumers of these biotic factors compete for them because they depend on them for their survival.
Explanation:
;)
Because it includes the body's external barriers and cellular and chemical mechanisms that add general protection against pathogens, _____ immunity is also referred to as nonspecific immunity.
Answers
Because it includes the body's external barriers and cellular and chemical mechanisms that add general protection against pathogens, innate immunity is also referred to as nonspecific immunity.
Nonspecific immunity, or innate immunity, is the first line of defense in the body's immune system. It includes various components that provide general protection against pathogens without targeting specific antigens. Nonspecific immunity acts as a rapid and immediate response to invading pathogens.
The term "nonspecific" refers to the fact that innate immunity does not differentiate between different types of pathogens. It is a broad defense mechanism that offers protection against a wide range of pathogens, regardless of their specific characteristics. Examples of nonspecific immune responses include physical barriers like the skin and mucous membranes, as well as cellular mechanisms like phagocytosis, inflammation, and the release of antimicrobial proteins.
Unlike specific immunity, which involves the production of antibodies and targeted immune response against specific pathogens, nonspecific immunity provides a general level of protection that is always present and ready to respond to any potential threat. This type of immunity is considered the body's first line of defense and plays a crucial role in preventing the entry and spread of pathogens throughout the body.
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Question 3 (1 point) Cryptic coloration allows organisms to... O live in mutualistic symbiotic relationships with organisms that might have been predators if not for the presence of cryptic coloration O hide from predators O produce allelopathic chemical defenses against predators O be parasitic, living inside other organisms causing early mortality
Answers
Answer: Hide from predators.
Explanation:
Cryptic coloration is known as camouflage which helps organisms to blend in with their surroundings.
What process is responsible for producing the rapid spin rate of millisecond pulsars?
a) Stellar fusion reactions
b) Stellar nucleosynthesis
c) Accretion of mass from a companion star
d) Neutron star collapse
Answers
The process responsible for producing the rapid spin rate of millisecond pulsars is the accretion of mass from a companion star. The answer is (C).
Millisecond pulsars are a type of pulsar that rotates hundreds of times per second. These neutron stars are a subclass of pulsars that rotate at extremely high rates, making them important in many different areas of astronomy. In many cases, millisecond pulsars are created by the accretion of mass from a companion star. These pulsars are believed to have spun up over millions of years due to the transfer of mass and angular momentum from a binary companion.
The process of material being pulled into a celestial object by gravity is known as accretion. In astronomy, this term is often used to describe the process by which matter accumulates on a star or planet. Accretion disks, for example, are common around young stars and black holes. When the material accretes, it forms a rotating disk that heats up and emits radiation, making it visible to astronomers.
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the parents of a child with hyper-igm syndrome used preimplantation genetic diagnosis (pgd) to produce a second child to serve as a cord blood donor to cure the sick child. not only did they have to make sure the donor child did not have hyper-igm, but also they had to be sure the child had compatible:
Answers
The expecting parents had to make sure that the unborn child's tissue matched that of their child who had hyper-igm syndrome.
Why does high IgM syndrome occur?Rare, one-in-a-million, and possibly fatal genetic mutations that severely compromise the immune system and render a person incapable of producing antibodies are the root cause of hyper IgM syndromes. Patients with hyper IgM are significantly more likely to develop recurrent and opportunistic infections.
Patients who suffer from HIGM syndrome are unable to switch from producing IgM antibodies to IgG, IgA, or IgE antibodies. Patients with this condition consequently have low amounts of IgG and IgA but normal or high levels of IgM in their blood. These several antibody subtypes each serve a different purpose in the fight against pathogens. Normally, B-lymphocytes can make IgM antibodies on their own, but in order to switch from IgM to IgG, IgA, or IgE, they need interactive assistance from T-lymphocytes. Numerous genetic flaws that impair this interaction between T-lymphocytes and B-lymphocytes cause HIGM.
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What happens to water in the atmosphere after evaporation occurs?
Answers
Answer:
The cells circulate in the atmosphere, then joining together, and eventually, they clusters, (clouds) get too heavy, and rain falls.
Explanation:
How many degrees north or south would you traverse if you went from the equator
the north or south pole?
Answers
Answer:
14°
Explanation:
in north and south poles it is cold and sunlight does not reach fully
a biotech company was hired by the military to develop a cure for ebola. they successfully developed a vaccine to treat the symptoms of the virus and lowered the mortality rate for infected patients. discuss the implications of this on a global scale.
Answers
It is not a cooperative effort with the World Health Organization because the military sponsored the study on Ebola, which creates issues with global funding, how to collaborate, and who gets credit when a biotech team is from another country than the military is from.
Needles and other disposable medical supplies were made available. The worldwide public health community was active during the 1995 Ebola epidemic in Kikwit, Zaire (now DRC), since it was now well acknowledged that containing and controlling the Ebola virus was essential to putting a stop to outbreaks.
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What is a genetically modified animal?
Answers
Answer:
pigs,chickens,goats,sheep,dog,cat
Explanation:
animals that produce drugs,enhancing yields and increasing resistance to disease
glycolysis is the metabolic pathway that group of answer choices splits glucose into two molecules of pyruvate creates glucose molecules from glycogen generates glucose from glucogenic amino acids synthesizes glycogen
Answers
Glycolysis is a metabolic pathway that : splits glucose into two molecules of pyruvate.
What is meant by glycolysis?Glycolysis is defined as a series of reactions that extract energy from glucose by splitting it into two three-carbon molecules called pyruvates.
Glycolysis is that metabolic pathway that converts glucose into pyruvate and free energy released during the biochemical reactions in glycolysis is used to generate net gain of two molecules of ATP.
Glycolysis is linear metabolic pathway of enzyme-catalyzed reactions that converts glucose into two molecules of pyruvate and in the presence of oxygen or two molecules of lactate in absence of oxygen.
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Which allele for human blood type is recessive?
O AB
OIB
Oi
OO
Answers
Answer:
oo
Explanation:
When electric current is flowing in a metal, the electrons are moving
Answer
at the speed of light.
at the speed of sound in the meta
at the speed of sound in air.
at nearly the speed of light.
at none of the above speeds.
Answers
When an electric current is flowing in a metal, the electrons are not moving at the speed of light or the speed of sound. However, they are moving at a significant velocity, typically around 1 mm per second.
This may seem slow, but it's important to remember that there are billions of electrons flowing in a single circuit at any given moment. Electric current is the flow of electric charge, which is typically carried by electrons in metals. When a voltage is applied to a metal, the electrons are able to move freely through the material, creating an electric current. This movement of electrons is due to the presence of an electric field, which provides the necessary energy to overcome the resistance of the material. The speed of electrons in a metal can vary depending on a number of factors, including the electric field strength, the temperature of the metal, and the material properties of the metal itself.
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How are growth rates and eating habits of preschool children related? also, what are three of the most common nutritional problems of preschoolers?
Answers
Children tend to grow more slowly and so become smaller in low SES settings, according to studies from numerous nations.
Food allergies, iron deficiency, tooth decay and constipation are common nutritional problems of preschoolers.
Children tend to grow more slowly and so become smaller in low SES settings, according to studies from numerous nations.Between the ages of 2 and 6, this growth rate is slower than that of infancy and is accompanied by a decreased appetite. Children need a lot of nutrients to help their bodies develop all the necessary organs, tissues, and functions, and the type of nutrition they receive can have a significant impact on their health. The cuisine a youngster consumes can have an impact on everything from behavioral habits to fundamental brain function.Some toddlers have dietary issues, which may have an immediate and long-term impact on their well-being, development, and growth.Constipation, dental decay, iron deficiencies, and food allergies are all frequent. iron deficiency is a major nutritional problem in preschoolers.learn more about nutritional problems of preschoolers here: https://brainly.com/question/13993153
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What does replication mean?
Answers
Answer:
process of copying DNA prior to cell division
Answer:It means to produce something or the process of producing something. Also means to create something.
Ex. I am replicating a new serum for the Corona-virus.
Explanation:
The nitrogen cycle could not exist without
.
Answers
The "three R's" describe an infant or toddler's
A. angry reactions to other children.
B. verbal responses to adults.
C. general interactions with others.
D. reaction to physical abuse by another child.
Answers
Answer:
C. general interactions with others.
Explanation:
The "three R's" refers to Respective, Responsive, Reciprocal. These three things are necessary for better growth and education of the child. The "three R's" are very important because the main focus of these "three R's" is to know the method that how the children learn different things. The teacher or parents should respectful while interact with the child. Being gentle is also a form of giving respect to the child. Always give response on the action made by the child.
Kendra wonders what would happen if the oceans did not exist on Earth. Based on her understanding of the oceans and the water cycle she predicts that Earth would become warmer, with less rain, more clouds, and that living things would not survive. Which part of her prediction is incorrect?
Answers
Answer: More clouds
Explanation:
Just like Kendra's prediction, if oceans did not exist, the Earth would become warmer with less rain and living things would not survive.
The prediction that there would be more clouds is wrong. Clouds are formed when water vapor in the air turns into ice crystals or liquid water droplets. It usually happens when the air contains more water vapor than it can hold.
And we know that oceans are the major sources of water on earth as they make up 70% of the earth's surface. So if oceans did not exist, other smaller bodies of water will cease to exist too within a short period of time because they would not be able to cater for the whole earth. Therefore, there would not be enough water to accumulate in the air to aid cloud formation.
Answer:Just like Kendra's prediction, if oceans did not exist, the Earth would become warmer with less rain and living things would not survive.
Explanation: That living things would not survive
Can someone help me finding real images for Interphase?
Answers
Answer:
i found some
Explanation:
can you explain in brief about gigatism and dwarfism
Answers
Gigantism is a condition caused by excessive secretion of STH(somato trope hormone) before puberty. Individuals reach heights of about 2 meters.
Dwarfism(hypophyseal dwarfism) is caused by hyposecretion of STH before puberty. Individuals reach heights of about 1,20-1,30m
In a P generation of true-breeding tall plants that are crossed with true-breeding short plants, 100% of the F1 generation are tall. What does this suggest about short and tall alleles
Answers
If in a P generation of true-breeding tall plants that are crossed with true-breeding short plants, 100% of the F1 generation are tall, then this suggest that short is recessive while tall is dominant.
What are recessive and dominant alleles for a given phenotypic trait?Recessive and dominant alleles for a given phenotypic trait are those that are masked or masked respectively the expression of the feature.
Therefore, with this data, we can see that dominant alleles are able to mask a particular feature in heterozygous individuals as obtained after a line pure cross.
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how does the cladistics system of taxonomy differ from the hierarchical system of classification
Answers
The cladistics system of taxonomy and the hierarchical system of classification differ in their approach to organizing and categorizing organisms.
The hierarchical system of classification, also known as Linnaean taxonomy, is based on a hierarchical framework where organisms are grouped into a series of nested categories. This system classifies organisms based on shared characteristics and organizes them into a hierarchy of ranks such as kingdom, phylum, class, order, family, genus, and species.
On the other hand, cladistics focuses on evolutionary relationships and uses a method called cladogram construction to depict the branching patterns of these relationships. Cladistics identifies shared derived characteristics or traits called synapomorphies, which indicate common ancestry. Organisms are grouped into clades based on the presence or absence of these shared derived characteristics.
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