Snow. Snow forms when ice crystals reach the earth’s surface without passing through a liquid phase.
Snow is a type of precipitation that occurs when water vapor in the atmosphere freezes into ice crystals. The shape and size of the snowflakes depend on the temperature and humidity of the air.
Snow can fall as light flakes, heavy flakes, or pellets. Snow can accumulate on the ground and form snowpacks, drifts, or avalanches. Snow can also melt and refreeze into ice or slush.
Some examples of snow-related topics are:
Snowflakes: the individual ice crystals that form snow. Snowflakes have a hexagonal symmetry and a variety of patterns. No two snowflakes are exactly alike.
Snowstorms: weather events that produce a large amount of snow in a short period of time. Snowstorms can cause low visibility, strong winds, and cold temperatures. Snowstorms can also create hazards such as power outages, traffic accidents, and frostbite. Some types of snowstorms are blizzards, nor'easters, and lake-effect snow.
PLSSS HELP IF YOU TURLY KNOW THISS
Answer:
C some plants
Explanation:
13. In which sphere does carbon build up for millions of years in the form of coal?
a. Atmosphere
b. Mega sphere
c. Hydrosphere
d. Geosphere
Answer:
d. Geosphere
the carbon enters the geosphere (Earth) through the biosphere by means of decaying dead organic plant and animal materials undergoing fossilization there by becoming incorporated in organic rich oil and gas (fossil fuels)
with sexual reproduction,: many single-celled eukaryotic organisms have evolved complex life cycles that include sexual reproduction. with sexual reproduction,: diploid cells must undergo mitotic cell division in order to reproduce. haploid cells must undergo meiotic divisions to form gametes. genetic material from two haploid cells is combined. all of these choices are accurate.
According to the given statement at some point, two cells must fuse to become diploid.
The correct option is A.
What is diploid cell?Human somatic cells are diploid, meaning they have 46 chromosomes, 22 pairs of autosomes, as well as a pair of y chromosome. A pair of chromosomes is one that has each chromosome has two copies.
Where are diploid cells?Most eukaryotes have a diploid chromosomal set in somatic cells, or non-sex cells. These cells hold the organism's full genetic information, or chromosomes, or double the number of haploid chromosomes. As just a result, every cell in an organism contains every gene present in that organism.
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The complete question is -
Many single-celled eukaryotic organisms have evolved complex life cycles that include sexual reproduction. This means that:
A- at some point, two cells must fuse to become diploid.
B- diploid cells must undergo mitotic cell division in order to reproduce.
C- haploid cells must undergo meiotic divisions to form gametes.
D- complex mating behaviors likely evolved at the same time as sexual reproduction.
Describe the phase change of the ice if it were to be left sitting out.
The phase change that occurs when the ice is left sitting out will be melting that causes solid to turn into liquid.
Melting is the phenomenon in chemistry where a solid substance is converted into liquid. This change happens due to the difference in the temperature requirement. For a substance to be solid, the temperature must be low while it should be high for liquid phase.
Solid are those substances that have strong intermolecular forces and their molecules lie very closely packed in a definite shape. Thus, solid substances have a definite shape and volume. The kinetic energy pf solids is quite less.
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how is muscle contraction stimulated by calcium ions? i. calcium ions are released from the sarcoplasmic reticulum and bind to myosin, stimulating atpase activity. ii. none of the other options. iii. calcium ions are released from the sarcoplasmic reticulum and bind to tropomyosin, stimulating its atpase activity. iv. calcium ions are released from the sarcoplasmic reticulum and bind to troponin c, promoting the binding of myosin to actin. v. calcium ions are released from the sarcoplasmic reticulum and bind to actin, promoting its binding to myosin.
Myosin and actin filaments of the muscle fibrils glide into one another as a result of calcium diffusing in the cytoplasm, resulting in the contraction of the complete muscle fiber.
How is muscle contraction stimulated by calcium ions?Myosin and actin filaments of the muscle fibrils glide into one another as a result of calcium diffusing in the cytoplasm, resulting in the contraction of the complete muscle fiber.
When the membrane of the T-tubular system is activated, calcium is released from the sarcoplasmic reticulum through calcium ion channels. As a result of its binding to Troponin C, which causes it to conform, the myosin head is able to cling to the actin filament, resulting in the contraction of the muscle.
In addition to facilitating mobility, muscle contraction even contributes to the body's posture, joint stability, and heat production. Muscle contraction exists responsible for maintaining posture, such as standing and sitting.
Therefore, the correct answer is option ii. none of the other options.
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What 2 events in nature can hinder the process of carbohydrate production? Explain your answer. Use the sentence frame: “___ can hinder carbohydrate production because ____.”
Stormy weather and very low temperature events in nature can hinder the process of carbohydrate production because some plants may grow more quickly under conditions of moderate heat and increased atmospheric carbon dioxide.
The carbohydrate production is caused by the photosynthesis.
Photosynthesis- The process through which some species of living things and plants transform sunlight into energy. Green plants collect and use light energy during photosynthesis to convert water, carbon dioxide, and minerals into organic molecules rich in oxygen and energy (glucose).
This mechanism primarily provides energy to the planet's life systems. By the norms of human engineering, it is not particularly effective, but it gets the job done.
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a certain badger is heterozygous for two genes; he has sharp claws and bad breath. he mates with another badger that is homozygous for both genes, with sharp claws and minty-fresh breath. what are the chances that they have an offspring with sharp claws and minty-fresh breath? (assume simple, mendelian inheritance.)
The chances of offspring to have sharp claws and minty fresh breath is 50% since one parent has (Tt) and other has (TT) . The offsprings would be TT, Tt, TT, and Tt..
What is Mendelian inheritance?The term "Mendelian inheritance" refers to specific patterns that can be observed in the way characteristics are passed down from parents to children. In the 19th century, the Austrian monk Gregor Mendel conducted thousands of tests with pea plants in order to develop these broad patterns. He did this in order to determine the genetic makeup of pea plants.
Law of Dominance is one of Mendel's three proposed laws of inheritance, which also includes Law of Inheritance. The law that enforced segregation. The Principle of Independent Assortment is a Law.
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How do viruses cause damage to host cells they infect?
I think it is Option B.
Explanation:A virus must use cell processes to replicate. The viral replication cycle can produce dramatic biochemical and structural changes in the host cell, which may cause cell damage. These changes, called cytopathic (causing cell damage) effects, can change cell functions or even destroy the cell.
Answer:
I think the answer for that question is B
you should of underline leaf becase that was the anser
Answer:
what?
Explanation:
A company is growing algae in big tanks to make fish food. However, the algae is not growing very quickly, and they suspect either phosphorus, nitrogen, or iron is limiting. What could the company do to figure out which nutrient is limiting?a)Add phosphorus to one tank, nitrogen to another, and iron to a third, and see which treatment increases algal growth.b)Add phosphorus, iron, and nitrogen to all tanks, and see which nutrient increases algal growth.c)Add phosphorus to all tanks, because phosphorus is the nutrient that limits algal growth.d)Add nitrogen to all tanks, because nitrogen is the nutrient that limits algal growth.
Experiment
In this experiment, as the question the investigators are trying to answer is what component is the limiting one, it is necessary to test every one of them, independently. Therefore, the best option is to change the concentration of one of them and leave the rest unchanged. To accomplish this, would be necessary three different tanks, one for phosphorus, one for iron, and one for nitrogen (option A).
To determine which nutrient is limiting algal growth, the company can add phosphorus to one tank, nitrogen to another, and iron to a third, and see which treatment increases algal growth. Therefore, option A is correct.
By adding each nutrient separately to different tanks and observing the effects on algal growth, the company can identify which nutrient is limiting. If the addition of phosphorus to one tank leads to increased algal growth, it suggests that phosphorus was the limiting nutrient.
Similarly, if the addition of nitrogen or iron to their respective tanks results in increased algal growth, it indicates that nitrogen or iron, respectively, was the limiting nutrient. Thus, option A is correct.
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a herd of 55 cows eat 3250 pounds of silage daily . if the herd size increases to 80 cows how much more will be needed daily ?
Answer:
1,475 lbs.
Explanation:
Divide the current amount of silage eaten by the current amount of cows to find how much food one cow eats:
3250 ÷ 55 = 59
Then, subtract the current herd size from the new herd size to find how many new cows will be added to the herd:
80 - 55 = 25
Now, multiply the amount of new cows by the amount of silage eaten per cow:
25 * 59 = 1,475
There will need to be 1,475 more pounds of silage daily.
one consequence of widespread use of -spectrum antibiotics is the development of resistance in microbes that are part of the normal biota. multiple choice question. narrow; pathogenic
The consequence of widespread use of antibiotics in the development of resistance in microbes that are part of the normal biota is pathogenic.
The correct answer choice is option b.
Why pathogens occur in the use of antibioticsWhen a resistance of antibiotics spectrum is mis-administered, or given in its overdose, number of pathogenic bacteria that are resistant to antibiotics will increase; thereby making infections or diseases caused by bacteria be incurable. In order words, it makes it very difficult to treat the health condition when this happens.
Antibiotics are drugs, medicines or injections used in the treatment of bacteria infections. There are countless number of health conditions which are as a result of bacteria that are pathogenic.
So therefore, it can be deduced from the explanation given in the task above about the consequence of widespread use of spectrum antibiotics that it makes treatable illness become difficult to treat.
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a researcher discovers a new species of fungus that forms hyphae, but not septa. this fungus also lacks multicellular fruiting bodies and does not appear to form either endomycorrhizae or ectomycorrhizae with plants. how should this fungus be classified?
This fungus should be classified as a zygomycete.
As eukaryotic creatures, fungus has membranes-bound organelles and distinct nuclei in each of their cells. Fungi have been separated from plants because they lack chlorophyll and differ from plants in terms of specific structural and physiological characteristics, such as cell wall and cell membrane components. Historically, fungi were considered to be part of the plant kingdom. Additionally, the main ways that fungus develop vegetatively and consume nutrients clearly distinguish them from all other living things, including animals. Fungi develop from the tips of the filaments (hyphae) that form the bodies of the organisms (mycelia), and they outwardly decompose organic materials before incorporating it into their mycelia.
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Add your name and what ever you want ?
Answer:
mariaa meriee
Explanation:
brainlest .
Fluoroacetate occurs naturally in some plants and is highly toxic to mammals and insects. In cells, it is converted to fluorocitrate, which binds tightly and inhibits an enzyme crucial for cellular respiration, causing citrate buildup. To what enzyme does fluorocitrate bind?.
It is changed into fluorocitrate inside of cells. which forms citrate due to its strong binding and inhibition of an enzyme necessary for cellular respiration.
Citrate synthase changes fluoroacetate into fluorocitrate after oral dosing and intestinal absorption.
Because fluoroacetate is chemically identical to acetate, which plays a crucial function in cellular metabolism, it is extremely poisonous to mammals and insects.
By blocking the Krebs cycle, fluoroacetate has hazardous effects (after being converted to fluorocitrate). Fluoroacetyl coenzyme A, which condenses with oxaloacetate to generate fluorocitrate, incorporates the chemical.
"Trojan horse inhibitor" has been used to describe fluoroacetate. It enters the citric acid cycle and is changed by the enzyme acetyl-CoA-synthetase into fluoroacetyl-CoA, which is then changed into fluorocitrate by the enzyme citrate synthase. Before it interacts with aconitase and stops the citric acid cycle, it is not inhibitory.
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an advantage to having ether-linked membrane lipids is that ether links choose one: a. use less cellular carbon, saving energy. b. allow cyclic rings to form. c. do not require an enzyme to form. d. are more stable and less likely to break.
An advantage to having ether-linked membrane lipids is that ether links are more stable and less likely to break.
Ether lipids are a distinct kind of glycerophospholipids that have an ether bond connecting an alkyl chain to the sn-1 position. In ether lipids, the alcohol moiety linked to the phosphate group is typically choline or ethanolamine, though inositol or serine have also been noted on occasion.
Because archaeal membranes naturally function in a wide range of temperatures, they typically do not need to modify their lipid composition to temperature changes in the same way that bacteria do.
The ether-linkage gives the membrane increased chemical stability. The side chains themselves, which are unbranched fatty acids in bacteria and eukaryotes and isoprenoid chains in archaea, account for the third and fourth differences. Branching side chains may be present in these isoprenoid chains.
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All cells require energy because all cells are constantly
What are the different functions of the pancreas, and how is the pancreas directly related to digestion?.
The pancreas are associated with both exocrine and endocrine functions and they are directly related to digestion as they secrete pancreatic juice into the small intestine.
Pancreas is the organ whose major function can be characterized as the conversion of energy in the food into a form that can be used by the body of an organism.
The endocrine function of the pancreas is associated with regulating the sugar levels in the blood. On the other hand, the exocrine function of the pancreas is associated with the digestion process.
Pancreas is directly related to the digestion process because pancreatic juice is released into the duodenum region of the small intestine. The pancreatic juice contains digestive enzymes for the breakdown of food.
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Hey guys facing a bit of difficulties on these 5 questions, could someone help? That'd be appreciated thanks.
Answer:
accumulation is the answer
1. What 2 events in nature can hinder the process of carbohydrate production? Explain your answer. Use the sentence frame: “___ can hinder carbohydrate production because ____.”
The answers include the following below:
Stormy weather can hinder carbohydrate production because of inadequate sunlight.Low temperature can hinder carbohydrate production because of low heat.What is Carbohydrate?This is referred to as a compound which helps in the provision of energy when it is broken down by enzymes and is formed during photosynthesis through the use of water and carbondioxide as the reactants.
Stormy weather and low temperature can hinder carbohydrate production because of inadequate sunlight. Photosynthetic reaction by plants, requires the use of adequate sunlight as it is converted into this compound thereby making it the correct choice.
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in drosophila, an ncrna called rox is involved in dosage compensation. rox is part of the msl complex, which binds to the x chromosome and recruits histone-modifying enzymes to the chromatin. rox is required for the msl to bind to the x chromosome. what function is this ncrna playing?
In Drosophila, an ncRNA plays a crucial role in directing Rox RNA and its non-coding genes for protein production.
RoX RNA can be a non-coding RNA (ncRNA) shown inside the male-specific dangerous (MSL) complex and is required for sex estimation compensation in Drosophila.
This can be fulfilled by the MSL complex official to the X chromosome and inciting histone H4 lysine 16 acetylation and licenses for the course of action of euchromatin. These ncRNAs were, to start found in RNA removed from neuronal cells.
Two roX RNAs have been recognized inside the MSL complex from Drosophila melanogaster and have shown up to be directed over different drosophila species.
The two roX RNAs, known as roX1 and roX2 have been shown up to differentiate in the basic course of action and course of action length but despite these contrasts, they both contain an MSL definitive area and are essentially redundant.
Cloning roX qualities and resulting gathering course of action from a few unmistakable drosophila species recognized some directed districts and it was moreover taken note that roX RNA is because it appeared in male flies.
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if you know the npp for an ecosystem, what additional variable do you need to know to estimate the nep? why might measuring this variable be difficult, for instance, in a sample of ocean water?
From estimates of NEP, you need to measure the respiration of all organisms in an ecosystem, not just the respiration of primary producers.
In a sample of ocean water, primary producers and other organisms are usually mixed together, making their respective respiration's hard to separate.
What is npp of an ecosystem?
The rate of energy lost to metabolism and maintenance is subtracted from gross primary productivity to arrive at net primary productivity, or NPP. In other words, it's the rate at which energy is released to consumers in the ecosystem from primary producers such as plants and animals and stored as biomass.
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unstable plaque, a condition of atherosclerotic heart disease, occurs in unstable angina and myocardial infarction. unstable plaque can rupture, causing platelet aggregation and thrombus formation. what are the major determinants of the vulnerability of plaque to rupture? select all that apply.
Due to ongoing inflammation, collagen degradation (linked to macrophages), lipid buildup (core development), weakening of the cap, and delayed healing and repair (smc-related).
What causes aggregation of the platelets?Collagen, ristocetin, arachidonic acid, adenosine 5′-diphosphate, adrenaline, and thrombin are examples of substances that can excite platelets and subsequently cause aggregation. A diagnostic pattern for various abnormalities of platelet function is provided by the response to these aggregating drugs (also referred to as agonists).
Which medication stops platelet aggregation?The most popular antiplatelet medication, aspirin, alters the ratio of prostacyclin to thromboxane, which prevents platelet aggregation (that promotes aggregation). In high-risk patients, aspirin effectively lowers the risk of cardiovascular events. Aspirin's primary known effect on hemostasis is to suppress platelet thromboxane A2 production, which reduces platelet aggregation.
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How does the structure of DNA allow it to store hereditary information?
The structure of DNA allows it to store hereditary information due to the presence of Adenine (A), thymine (T), cytosine (C), and guanine (G).
Adenine (A), thymine (T), cytosine (C), and guanine (G) are sugar bases that are sequenced in the DNA responsible for storing genetic information. These bases are connected by ribbons of sugar-phosphate molecules to form a double helix.
Because of its distinct structure, DNA may duplicate itself during cell division. The DNA helix divides into two separate strands when a cell is getting ready to divide. Two new, double-stranded DNA molecules are created using these single strands as templates, each of which is a copy of the original DNA molecule.
What are the components of DNA?
Nucleotides are chemical building units that makeup DNA. A phosphate group, a sugar group, and one of four different nitrogen bases make up these building components. Nucleotides are joined together into chains, with the phosphate and sugar groups switching positions, to produce strands of DNA.
Therefore, sugar bases present in DNA help it store hereditary information.
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If a rock contains ten different kinds of fossils, which of the following must be true?
answer: All of the organisms had to be alive when the rock was deposited
The statement regarding a rock with ten distinct types of fossils that is true: 'All of the organisms must have been alive at the time of rock deposition'.
The question is incomplete. The complete question is:-
If a rock consists of ten distinct types of fossils, which of the following statements regarding the rock might be true?
Hints:-
'All the ten organisms witnessed evolution at the similar time'.
'All the ten organisms had gone extinct at the similar period of time'.
'All of the fossils are helpful in order to constrain the relative age'.
'All of the organisms must have been alive at the time of rock deposition'.
'These organisms relate to the minimum age of the rock'.
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chloroplasts move protons from to build a proton gradient group of answer choices the stroma to the cytosol. the intermembrane space to the matrix. the matrix to the stroma. the stroma to the inner thylakoid space. the inner thylakoid space to the stroma.
Chloroplast moves protons from the stroma to the inner Thylakoid space to build a proton gradient.
The chloroplast function is fundamentally dependent on proton gradients. The light-induced -proton gradient is necessary for ATP synthesis across thylakoid membranes.
In the chloroplast stroma, plant photosynthesis generates reduced power. Protons are transported from the stroma into the thylakoid lumen during this process, resulting in the transmission of a proton motive force (pmf) across the thylakoid membrane.
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I need some help with my science homework.
Answer: Photosynthesis changes carbon dioxide and water into oxygen and glucose, while Cellular respiration does the opposite converting glucose and oxygen into water and Carbon dioxide
Excitability is the ability of a cell to receive and respond to stimulus by changing its membrane potential. True or false?.
True Excitability is the ability of a cell to receive and respond to stimulus by changing its membrane potential.
What is Excitability ?The capacity to react to a stimulus, which may be from a motor neuron or a hormone, is known as excitability. The capacity of a muscle to be stretched is known as extensibility.
The muscle cell membrane's ion permeability qualities are momentarily altered by a neurotransmitter. Each muscle fibre in a muscle contracts once a motor neuron has activated.Every living thing reacts to stimuli. Anything that can cause a live entity to physically or behaviorally change is referred to as a stimulus. Excitability is hence an organism's capacity to react to environmental stimuli.Learn more about Excitability here:
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which single use container uses up the fewest resources from the enviorement
Answer:
Paper cupExplanation:
Paper cup is made from pulp which is obtained from wood.
Paper is usually very light with a low durability
it decomposes much more quickly than plastic and glass.
and it is less likely to be a source of pollution and don’t really pose a risk to wildlife.
Therefore, paper cups arere single use cups uses up the fewest resources from the environment. A paper cup uses up the most resources from the environment if used just once. HOPE THIS HELPS!
What contribution did Thompson add to the understanding of the atom?
a
Discovered that electrons orbit the nucleus. B
Discovered the nucleus of the atom using the Gold Foil experiment
c
Reasoned that atoms are indivisible. D
Discovered a subatomic particle (protons or, neutrons or , electrons)
The contribution that thompson did add to the understanding of the atom was that he Discovered that electrons orbit the nucleus.That is option A.
What is an atom?An atom is defined as the smallest indivisible part of an element that is made up of central nucleus with electrons that revolves round about it.
There are various scientist that contributed towards the study and understanding of atoms and they include the following:
Democritus, John Dalton, J.J. Thomson, Ernest Rutherford, Niels Bohr, Robert Millikan and Irwin Schrodinger.Joseph John Thompson or J.J. Thomson in 1879 proposed the existence of electrons that revolves round the nucleus of an atom.
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