Harmful algal blooms are characterized by a rapid increase in the population of a type of algae that produces toxins. Toxins are chemicals that are poisonous to living things. The rapid reproduction of this type of algae is caused by the presence of sunlight, warm water, and an increase in the level of nutrients in the water. The nutrients come from farms that use chemicals to make their plants healthy. They are carried to lakes and rivers by runoff.
Suppose this scenario was modeled in the lab. How would the populations of the biotic factors be affected?
There will be a decrease in the population of the biotic factors as a result of the presence of the harmful algal blooms.
What are Biotic factors?These are referred to the living components which are present in the ecosystem and examples include fish etc.
Presence of harmful algal blooms means there will be poisoning of the living organisms which will result in their death and reduction. This is therefore the ways in which the populations of the biotic factors will be affected.
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Explain which of the 4 macronutrients do you think is most important to the proper functioning of your body?
The four macronutrients which are most important for the proper functioning of your body are as follows:
CarbohydratesProteinsFatsWaterWhat are Macronutrients?
Macronutrients may be defined as the nourishing elements of food that the body requirements for energy and to possess the body's structure and functional systems.
Carbohydrates are the main source of energy for the body. It fuels your brain in the form of glycogen, kidneys, central nervous system, heart muscles, and all other various body parts and structures via glucose.
Proteins are required for the optimal growth and development of an individual. It also assists in the repair of the injured or damaged cells into newly synthesized ones.
Fats are the class of macronutrients that are the chief source of fatty acids that cannot be synthesized by our body itself. The components of fats such as cholesterol, triglycerides, etc accumulate energy, protect us, and safeguard our necessary organs.
Water is an ultimate requirement of each and every organism. It serves as a lubricant, relieves constipation, and removes impurities out of the body via urine, sweat, etc.
Therefore, it is well described above.
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What is importance of heat energy to humans
Answer:
Explanation:
there are many enzymes in human body that require heat energy to perform their actions
The picture shows a model of a cell. What is the main function of the cell part labeled Yin the model? A. To hold and protect the cell's DNA OB. To provide cells with energy for their activities C. To use energy from sunlight to make sugars D. To store enzymes that break down food The picture shows a model of a cell . What is the main function of the cell part labeled Yin the model ? A. To hold and protect the cell's DNA OB . To provide cells with energy for their activities C. To use energy from sunlight to make sugars D. To store enzymes that break down food
Answer:
D
Explanation:
these are lysosomes which contain enzymes to break down things internal or external(phagocytized).
What’s the correct answer for this question?
Answer:
those answer was correct and write is called correct answer
A population of animals is at Hardy-Weinberg equilibrium. The frequency of the dominant allele Q is 0.70 and the frequency of the recessive allele q is 0.30. What percentage of the population is heterozygous for this gene?
A. 18%
B.9%
C. 42%
D. 49%
Answer:42%
Explanation:
The percentage of the population is heterozygous for this gene is 42%. The correct option is C.
What is Hardy Weinberg law?According to the Hardy-Weinberg equilibrium, if no unfavourable influences exist, genetic variation in a population will remain stable from one generation to the next.
Calculating the genetic diversity of a population at equilibrium can be done using the Hardy-Weinberg equation. A fundamental idea in population genetics that G. H. Hardy and Wilhelm Weinberg separately described in 1908 is now known as the Hardy-Weinberg equation.
The importance of the Hardy-Weinberg law is that it provides a way to assess how accurately a population's genetic makeup has changed over time. We could only determine if the population was in Hardy-Weinberg equilibrium with the genetic makeup.
We know that,
[tex]p^2+2pq+q^2=1[/tex]
Here,
p = 0.70
q = 0.30
So,
[tex](0.70)^2+2pq+(0.30)^2=1[/tex]
2pq = 42%
Thus, the correct option is C.
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What are meristematic tissues? Mention its different types, its location in plant body
Answer:
tissue in body
Explanation:
they are tissues in the body
QUESTION 1 (5 marks) A molecule of messenger RNA (mRNA) has just been synthesized and processed in the nucleus of human cell with nucleotide sequence shown below: AUGUUAGCUGGGUAG (1)Provide the template DNA in which this mRNA was transcribed from. (1 mark) (2)What is the anticodon for the tRNA that attaches to the second codon of the mRNA? (1 mark) Describe the function of mRNA during translation (iii) (1 mark) (iv) How many amino acid will this segment represent? (1 mark) (v) Name the amino acids produced using the standard genetic code provided. (1 mark) . ( 1 mark )
1) DNA Template strand: TACAATCGACCCATC. 2) Anticodon: AAU. 3) mRNA carries genetic information to build the protein. 4) 5 amino acids. 5) Amino acids: Met, Leu, Ala, Gly, Tyr.
1)
What is the template strand?When the DNI molecule separates into two strands to form the transcription bubble, we can identify two separate segments:
The coding strand that goes in 5' to 3' direction The complementary strand -template strand- that grows in 3' to 5' direction .The template strand is the one that is going to be complemented by the mRNA.
mRNA ⇒ AUGUUAGCUGGGUAG
DNA ⇒ TACAATCGACCCATC
Remember that pairs are as follows
DNA RNA
T → A
A → U
G → C
C → G
2)
What is an anticodon?The anticodon is the sequence of three nucleotides that couples with the mRNA codon.
Each tRNA has two important sites. One of them is the anticodon that couples with the codon of the mRNA molecule. The other one carries the amino acid that is going to be addeded to the protein.
1st 2nd 3th 4th 5th
mRNA codons ⇒ AUG UUA GCU GGG UAG
tRNA anticodon ⇒ AAU
3)
What is translation?Translation is the stage of protein synthesis during which mRNA carries genetic information needed to synthesize the new protein in the cytoplasm.
Steps,
1- The formed mRNA moves to the cytoplasm through the nucleus membrane pores.
2- Once in the cytoplasm, mRNA meets a ribosome, the primary structure for protein synthesis.
3- Ribosomes are organelles composed of the association of proteins with rRNA and tRNA. They can be found in the rough endoplasmic reticulum or floating in the cytosol.
4- While the ribosome reads mRNA strain from its 5' extreme to 3', tRNA adds the correct amino acids to build the polypeptide.
The function of mRNA during translation is to take genetic information needed to build the protein.
4)
How many amino acids are determined per codon?Each codon codes for only one amino acid.
There are cases in which different codons code for the same amino acid, but a single codon always codes for one amino acid.
mRNA codons ⇒ AUG UUA GCU GGG UAG
Amino acids ⇒ Met Leu Ala Gly Tyr
1 2 3 4 5
This mRNA segment represents 5 amino acids.
5)
Amino acids ⇒ Met Leu Ala Gly Tyr
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What can happen after a lake receives a large input of a limiting nutrient?
1. Nitrogen is essential nutrition in plant growth. But farmers who cultivate
leguminous plants like pea plants and grams do not apply nitrogen fertilizers
during cultivation. Why? How does this practice help the farmers?
Answer:
Explanation:
the leguminous plants fix nitrogen in their roots hence do not require nitrogenous fertilizer
Pls help it urgent. I’m clueless
Answer:
rg
Explanation:
rg
Please help!! Will mark brainiest
In a balanced community, a population of prey can benefit from predators.
Which statement BEST describes how the population of mice can benefit from the snakes in this garden?
1. The snakes also consume moles, which allow the population of mice to increase
2. The snakes will consume only the mice best adapted to their environment.
3. The snakes provide an energy source for the mice.
4. The snakes keep the mice from overpopulating, which could deplete their resources
Answer:
4
Explanation:
Snakes make sure that mice population is controlled, so there is more food for other mice.
PLS HELP wil give 50p0ints if you answer
In the space provided, describe the similarities and differences between the seasonal changes of the oak tree in Florida and the oak tree in Maine make it Conclusions
Northern red oak are natives to Maine while others such as shumard oak, willow oak etc are native to Florida.
What is Season?These are the divisions of the year which are based on the weather patterns and daylight hours.
Florida has long periods of summer than Maine which is why the oak trees in the region are taller than that of Maine due to increased photosynthetic activity. However, oaks found in both regions have heavy acorns which is the similarity.
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Need help please answer
Aristo was riding in a car and noticed a pond that was covered in algal blooms due to excess phosphorus in the water. which of these other features in the landscape could be the reason for the high levels of phosphorus?many carscow pasturesolar panelsforest
Cow pasture is the reason for the high levels of phosphorus in the water resulting in algal blooms.
Algae blooms, also known as overgrowths of algae, occur quickly when phosphate and nitrogen levels are too high. Algal overgrowth burns oxygen while obstructing sunlight from reaching submerged plants.Although cow pasture (manure from cow dung) is frequently kept in enormous storage "lagoons," some of it unavoidably leaks into the groundwater and neighboring rivers, causing blue-green algae, or cyanobacteria, blooms.Commonly, runoff or soil erosion from fertilizer and manure introduces these nutrients. Toxic algal blooms may occur when these extra nutrients combine with hot sunny days. The blooms are harmful to people, animals, and fish.
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1. Nitrogen is essential nutrition in plant growth. But farmers who cultivate
leguminous plants like pea plants and grams do not apply nitrogen fertilizers
during cultivation. Why? How does this practice help the farmers?
Answer:
Nitrogen is essential for plant growth, but farmers who cultivate leguminous plants like pea plants and grams do not apply nitrogen fertilizers during cultivation. This is because leguminous plants have the ability to fix nitrogen from the atmosphere into the soil, making it available for other plants to use. This practice helps the farmers by reducing the need for nitrogen fertilizers, which can be expensive.
Explanation:
Answer:
Nitrogen is an essential macronutrient for plant function and is a key component of amino acids, which form the building blocks of plant proteins and enzymes. Proteins make up the structural materials of all living matters and enzymes facilitate the vast array of biochemical reactions within a plant.
Explanation:
Therefore, the nitrogen deficiency of the soil is fulfilled by the nitrogen fixed by the nitrogen-fixing bacteria present in the root nodules of leguminous plants. Hence, external supply of nitrogenous fertilizers is not required to be added in soil in which leguminous plants are grown.
Using the following diagram, which image shows the absorption of the highest energy photon?
Answer:
Diagram D
Explanation:
When electrons absorb energy, they move to higher orbital levels. The highest energy levels are the furthest from the nucleus. More energy is needed to occupy higher energy levels. Therefore, the electron which must have absorbed the most energy is in Diagram D. In this diagram, the electron absorbs enough energy to move it from n = 1 to n = 4.
When electrons absorb energy, they move to higher energy levels. In the given question, option D shows maximum energy absorption as electrons move from n = 1 to n = 4. Thus, the correct option is D.
What is electron transition?Electron transition is the transition of an electron from one energy level to another within an atom or artificial atom. In this, the electron "jumps" from one energy level to another, typically in a few nanoseconds or less. This transition is favored by the difference in energy in different energy levels.
When an electron absorbs energy, they move to higher energy orbital levels. The highest energy levels are the ones farthest from the nucleus and the lowest energy levels are the ones that are nearest to the nucleus. As more energy is required to stay at higher energy levels. Therefore, the electron must absorb the most energy.
In this diagram, option D denotes the highest energy photon as the electron absorbs enough energy to move from n = 1 to n = 4.
Therefore, the correct option is D.
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Which method of microbial control does not rely on d naturing proteins or disrupting the cell membrane
Lyophilization
What is Lyophilization?
Freeze drying, often referred to as lyophilization or cryodesiccation, is a method of low temperature dehydration that entails freezing the product, releasing pressure, and then sublimating the ice. In Lyophilization it contrasts with dehydration caused by the majority of traditional methods, which use heat to evaporate water.
Stages of Lyophilization:
Pretreatment includes any method of treating the product prior to freezing. This may include concentrating the product, formulation revision (i.e., addition of components to increase stability, preserve appearance, and/or improve processing), decreasing a high-vapor-pressure solvent, or increasing the surface area.Freezing and annealing during the freezing stage, the material is cooled below its triple point, the temperature at which the solid, liquid, and gas phases of the material can coexist. The product needs to be frozen gradually to form larger crystals, or it can undergo annealing, which involves cycling the temperature up and down.Primary Drying Lowering the pressure (to a few millibars or less) and providing adequate heat to the substance causes the ice to sublimate during the primary drying phase.The secondary drying phase aims to remove unfrozen water molecules, since the ice was removed in the primary drying phase. This part of the freeze-drying process is governed by the material's adsorption isotherms.Know more about lyophilization here:
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how does plants compensent for lack of movement in a constantly changing environment
Answer:
plants control and coordinate by changing the structure of water molecules.
A 10% glucose solution is placed in the thistle tube. The thistle tube is placed in a beaker that contains a 5% glucose solution. There is a differentially permeable membrane across the broad end of the tube, which is permeable to water but not to the sugar glucose. As diffusion occurs,
The 10% glucose solution will become less concentrated whereas the 5% solution will become more concentrated.
How, explain your answer briefly?There are two glucose solutions having different amount of glucose in it which is separated from each other by a differentially permeable membrane. Through this membrane, glucose can not pass through it but water can diffuse through it due to its smaller size. Therefore, the water will diffuse from the 5% glucose solution toward the 10% glucose solution.
So less water is present at 5% solution after diffusion which make it more concentrated while on the other hand, 10% solution will become less concentrated as water will enter into it so we can conclude that 10% glucose solution will become less concentrated whereas the 5% solution will become more concentrated.
Thus, this could be the answer.
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mr svedbergs jewelry store is transformed into a what before nick and caitlin are able to speak to him again
The thing which Svedberg's jewelry store is transformed into is rubble as it can be barely recognized.
What happened in Tesla's Attic?Caitlin and Nick went to Svedberg's jewelry store to make an appraisal of a piece of jewelry that belonged to Caitlin's mother.
We can see from the complete text that the jewelry dealer, Svedberg recognizes the insignia on the jewelry and becomes instantly interested but the jewelry is a dangerous one, belonging to the Accelerati who are not to be trifled with.
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How is EPD (expected progeny difference) used in livestock selection and breeding practices?
This organism is a single cell that was isolated from the human body, has no nucleus, and was causing the patient to be ill.
This organism is a single cell that was isolated from the human body, has no nucleus, and was causing the patient to be ill, in this case is a bacteria.
What is the concept of bacteria?
Bacteria are single-celled prokaryotic organisms that are included in the Archaea and Bacteria Domain. Bacteria are fairly simple organisms and belong, according to Whitta's classification of five kingdoms, to the Monera Kingdom.
In this case, Bacteria are prokaryotic and unicellular organisms, that is, formed by a single cell, without a nucleus and with membrane-bound organelles.
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look at the picture
Answer:
D.
Explanation:
This is related to the moons pull on the ocean more though,
Answer:
I am not 100% sure, but I'm guessing it is the last option
Explanation:
This is because, in the experiment the air is interacting with the water and the only option which shows air (atmosphere) interacting with water (hydrosphere) is the last option.
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Identify each body part labeled in the diagram.
1
2
3
The body parts labeled in the diagram are the mouth, operculum, and fins respectively.
Parts of a fishThe image in the illustration is that of a body fish.
The part labeled 1 is the mouth.
The part labeled 2 is the operculum. It covers the gill of the fish.
The part labeled 3 are the fins. The fins include ventral, lateral, and an-al fins.
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Answer:
1- jaw
2- gills
3- fins
Explanation:
right on edge
How we save water during washing dishes??
Need help with this please
In a healthy animal, antidiuretic hormone would need to be released into the bloodstream when
In a healthy animal, antidiuretic hormone would need to be released into the bloodstream when there is low volume of water in the body.
What is the antidiuretic hormone?The antidiuretic hormone, ADH, is a hormone produced by the pituitary gland which helps to control the volume of urine made by the body.
The antidiuretic hormone, ADH is released to increase the reabsorption of water in the kidneys.
Therefore, the antidiuretic hormone helps to control urine volume.
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Question 4 of 10
Which phrase best describes the main goal of a human community?
A. To preserve culture and language
B. To meet needs through collective effort
C. To analyze group behavior through observation
D. To make and follow rules through political process
SUBMIT
Answer:
I guess the correct answer is option B
where can Electrostatic Precipitators be used
The Electrostatic Precipitators are used in air pollution control and power-generating stations.
What is the Electrostatic Precipitator?An electrostatic precipitator consists of a negative electrical charge (-) generator. The device emits the charge in polluting particles and these become negatively charged. The walls of the precipitator are positively charged and attract the particles, which are retained. This encounter is due to the attraction between opposite charges.
In this case, we can found Electrostatic Precipitators used in the removal and treatment of the flux of pollutants and power-generating stations.
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