Explanation:
Hurricanes cause severe impacts on the ecosystem, which substantially affects the carbon cycle at the local or regional scale .The analys is showed that the amount of precipitation is not the only drving factor causing increased carbon emission; the characteristics of the drainage area also affect the carbon cycle and emission.By stimulating these phytoplankton blooms , hurricanes can affect the ecology of the upper ocean . This is the answer .
7.State the functions of each of these polysaccharides.
Celluse-
Startch-
Glycogen-
The functions of each of the below polysaccharides are: -
Cellulose- Cellulose, a hard, fibrous, & water-insoluble polysaccharide, is crucial in maintaining the structure and stability of plant cell walls. The plant cell walls are made up of microfibrils, which are collections of cellulose chains, or fibrils, which are collections of microfibrils and polysaccharides.
Starch- Starch is a kind of carbohydrate that is present in all plants, including grains, fruits, and vegetables. A healthy diet must include starchy foods since they provide you energy, fiber, as well as a feeling of fullness. Starch molecules are broken down by the body into glucose, which serves as the body's main fuel source.
Glycogen- When it comes to maintaining our muscles well-fueled for exercise, glycogen is crucial. Our muscles will use their glycogen reserves while we workout. Our blood glucose and liver-stored glycogen can both be used to power our muscles.
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a single staphylococcus aureus cell gets into a wound on someone's foot. staphylococcus aureus is a bacterium that can cause infections in broken skin. s. aureus divides by binary fission approximately once every 30 minutes. calculate the number of s. aureus cells in the wound after 30 minutes, one hour, and 12 hours.
The number of cells of Staphylococcus aureus present into the open wound, which divides by binary fission once every 30 minutes, after 30 minutes, one hour and 12 hours will be 2, 4 and 1.7 × 10⁷ cells respectively.
Binary fission is the method of asexual reproduction. It is the process by which a cell divides to form two daughter cells.
According to the question, the cell divides into 2 once after every 30 minutes.
The number of cells can be calculated by the formula: 2ⁿ
(where n = number of times the cell will divide in the given time period)
Therefore after 30 minutes, number of cells = 2¹ = 2.
Similarly, after 60 minutes, number of cells = 2² = 4.
In 12 hours, the cell will divide 24 times,
Hence the number of cells will be = 2²⁴ = 1.7 × 10⁷ cells respectively.
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Question 3
What is the source of the carbon atoms in a plant's cell ?
Multiple choice question.
cross out
A)
They were created as the plant grew
cross out
B)
The sun
cross out
C)
Water molecules
cross out
D) the environment
Answer: The environment
Explanation:
Plants get the majority of the carbon atoms in the form of carbon dioxide during the process of Photosynthesis.
Photosynthesis is the process of making food using sunlight, water, and carbon dioxide in the presence of chlorophyll. These react to form glucose which further converts into cellulose.
Glucose contains carbon atoms in it.
The carbon dioxide is obtained from the environment. Hence, we can say that source of carbon atoms is the environment.
The sun does not contain any carbon atoms.
Water also does not contain any carbon atoms.
the function of the indicated elastic lamellae of the aorta is to allow the aorta to without tearing in response to receiving blood under high pressure and then to conducting blood onwards
The function of the indicated elastic lamellae of the aorta is to allow the aorta to maintain blood pressure without tearing in response to receiving blood under high pressure and then to conducting blood onwards.
How the elastic lamellae helps to maintain blood pressure.This elastic lamellae works as a means of barrier between the smooth muscle and the endothelium. It happens that this layer also forms the outermost part of the blood vessels. Because of this characteristic feature, they help to regulate and maintain the pressure from blood flow which flows down distally.
The blood vessels such as arteries helps to transport oxygen rich blood from the heart to various parts of the body.The veins drains deoxygenated blood away from various parts of the body back to heart.So therefore, it can accurately be concluded that this elastic lamellae helps in regulating the blood pressure in the vessels.
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Why oestrogen can be used as a contraceptive drug
The reason why estrogen can be used as a contraceptive drug is that it is one that act to prevent ovulation.
Which hormone can be used as a contraceptive?For the majority of people, there are hormonal contraception that is a safe as well as effective technique to prevent pregnancy since they either made up of progestin solely or estrogen as well as progestin.
There is the use of an implant, an intrauterine device (IUD), etc are examples of hormonal approaches.
Therefore, In order to prevent ovulation, estrogen as well as progestin combinations are said to be effective.
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8. When enzymes are not at a stable pH or temperature what happens to their reaction rate?
An enzyme may get denatured and cease to function at extremely high temperatures. There is an ideal pH range for each enzyme. Beyond this range, pH variations will restrict enzyme activity.
How do enzymes function?The vital function of enzymes is to reduce its activation energy of a reaction, or the amount of power needed for the reaction to start. In order to facilitate the chemical bond-forming and friendship processes, enzyme bind to reactant molecules and keep them in place.
Which four major enzymes are there?Helicase, primase, Enzyme dna, and ligase are the four primary enzymes that aid in Replication of dna.
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Please describe in detail how the sun causes the global wind patterns and the global current patterns.
Answer:
The sun's heat causes differential heating of the earth's surface and water bodies causing changing wind patterns.
Explanation:
The amount of sunlight received varies on various factors like
1. Insolation
2. Latitude
3. Altitude
Maximum sunlight is received at the equator while minimum sunlight is received at the poles.
Because of varying amounts of sunlight received, the surface and water bodies heat differently. This causes the wind over the surface to warm and cool differently.
The warm air being lighter in weight rises and is replaced by the heavier colder air. This leads to the formation of wind patterns.
The global winds are called trade winds.
“Why is there so much peat in the peat/perfrost system? (Minimum of 5 sentences)
Answer:
no
Explanation:
I need to know the rest of the answers
Capillary action cohesion, Amazing water adhesion, bubbling beakers specific heat capacity, Magic pepper polarity , and pouring water demo capillary action.
What are the differences between Adhesion and cohesion ?Like molecules (of the same substance) have the ability to adhere to one another due to attraction to one another, which is known as cohesion. Adhesion is the ability of certain molecules or surfaces to stick to one another. Solids, for instance, have high cohesive qualities, which prevent them from adhering to surfaces with which they come into touch. Gases, however, have a poor cohesiveness. Water is cohesive and sticky in nature. A sphere is created when water molecules adhere to one another. Cohesive forces have produced this. Water molecules reaching the container's surface are at a greater level when enclosed in a tube (see Meniscus). This is a result of the adhesive force between the molecules of water and those of the container.
Magic pepper is an experiment in which pepper polarizes easily , the electrons move to one end of the pepper gain and protons move to the other end . Capillary action is the movement of water within the spaces of a porous material due to the forces of adhesion , cohesion and surface tension.
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2. assuming that there were no time constraints on replication of the genome of a human cell, what would be the minimum number of origins that would be required? if replication had to be accomplished in an 8-hour s phase and replication forks moved at 50 nucleotides/second, what would be the minimum number of origins required to replicate the human genome? (the human genome has a total of 6.4x 109 nucleotides)
If replication had to be accomplished in an 8-hour s phase and replication forks moved at 50 nucleotides/second, The minimum number of 46 origins required to replicate the human genome.
A double-stranded DNA molecule is copied during replication to create two identical DNA molecules. One of the most fundamental processes that take place within a cell is DNA replication. Between the G1 phase and the G2 phase, the cell cycle's S phase (also known as the "synthesis phase") is when DNA replication occurs. Since precise genome duplication is essential for effective cell division, the S-phase mechanisms are strictly regulated and highly conserved.
Before the interphase, in the S phase of the cell cycle, DNA synthesis or replication takes place. By doing this, the cell's genetic material is copied before mitosis or meiosis, leaving enough DNA for cell division.
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although a number of muscles may be involved in an action, the principal muscle involved is called the prime mover, or . a muscle with the opposite action of the prime mover is called an .
A muscle with the opposite action of the prime mover is called an Antagonist.
An antagonist is a muscle that acts in opposition to the primary mover or agonist. Maintaining body or limb position, such as holding the arm out or standing tall, and controlling rapid movement, such as in shadow boxing without landing a punch or the capacity to halt the motion of a limb, are two crucial functions antagonists play in muscular function.
These muscles are in charge of putting bones back in their proper alignment, antagonist muscles control and slow down movement opposite to their agonist partner, while in other situations a muscle can be an antagonist throughout a particular movement.
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What type of organism would live in deep sea vents, harness chemical energy spewing out of the vents to make sugar and be the beginning of the food web in deep sea ecosystems?.
Answer:
Symbiotic bacteria
Explanation:
Symbiotic bacteria live in the mussels' gills. Like the microbes living inside tubeworms, these bacteria use energy from chemicals in the vent fluids to produce sugars.
Explain how mitosis can contribute to the maintenance and complexity of life on Earth?
Answer:
The process of mitosis generates new cells that are genetically identical to each other. Mitosis helps organisms grow in size and repair damaged tissue. Some species of algae are capable of growing very quickly.
Explanation:
I hope this will be helpful for you.
A student wants to measure the volume of a liquid. Which of the following tools would be best to use?
For measuring the volume of a liquid then a student should use a measuring cylinder, pipette, and measuring flask.
What type of tools are used for the volume?If a student wants to measure the volume of a liquid then he should use the following things.
1. Measuring cylinder.
2. Pipette.
3. Measuring flask.
Above are the things used for measuring a liquid's volume. A measuring cylinder is an apparatus used in the laboratory for measuring the volume of liquid, chemicals, and other things. The pipette will be more correct with all the samples, accounting for every drop of the substance being held within the device. A measuring flask is used for measuring very precisely one specific volume of liquid.
So we can conclude that cylinder, pipette, and measuring flask are the tools that are used for measuring the volume of a liquid.
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In 4 sentences describe a couple of areas in the brain that are responsible for creativity.
As it appears to be in charge of many of the processes that support creative thinking, the frontal cortex has been referred to as the hub or center of creativity.
How do brains function?Millions of nerve cells in your brain are arranged in patterns that help you think, feel, behave, move, and sense things. Your brain and the rest of your body are linked by a vast system interconnected nerves that allow for rapid communication.
What is the term for the brains?The cerebrum, cerebellum, and brainstem are the three primary parts of the brain. The brain's largest structure, the cerebellum, is composed of the right and left hemispheres. Higher cognitive tasks include understanding touch, vision, listening, speech, logic, emotion, learning, and fine motor control, among others.
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How could one visually distinguish a
monocot root from a dicot root? How could one
visually distinguish between the cross-section of
a monocot root and dicot root?
Answer:
Monocots have flower parts in threes or multiples of threes as shown in the flowers to the left. Dicots have flower parts in multiples of fours or fives like the five-petaled dicot flower
Explanation:
Answer:
by the arrangement of the xylem and phloem.
Explanation:
In a dicot, the xylem and phloem form an X or Y shape compared to the monocot are arranged in a ring formation.
Gives rise to cork cambium, parts of the vascular cambium, and lateral roots Gives rise to lateral roots only
Vascular Tissues
Has a limited number of Xylem and Phloem Has a higher number of Xylem and Phloem
Shape of Xylem
most enzymes in the human body work best at neutral ph. select the reasons why changing the ph of the fluid in which a human enzyme is dissolved (for example to a ph of 3) will affect the enzyme's ability to function.
Most enzymes in the human body work better at physiological pH, because too low or too high pH concentration may alter the tridimensional conformation of these proteins.
Why do enzymes best work in physiological conditions?Enzymes generally best work in physiological conditions (except hydrolytic lysosomal enzymes) because they establish chemical bonds to normal pH conditions (pH: 7), thereby modifications in pH may alter enzyme domains required to bind their corresponding substrates.
Therefore, we can conclude that most of the human enzymes when dissolved to a pH of 3 cannot work because it is a very acidic medium where the chemical bonds of the enzyme are altered, thereby modifying this 3D macromolecular structure.
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FAST - Ben wants to model how the motion of particles changes with temperature. He
considers water in an iron pot. Ben draws a model to show how the water
particles and iron particles move at room temperature. Then, he draws a second
model to show how the water particles and iron particles move as the pot of
water is heated. How should Ben’s second model differ from the first?
A. The water particles should vibrate faster, and the iron particles should not
move.
B. Both the water particles and the iron particles should slide past each other
faster.
C. The water particles should slide past each other faster, and the iron
particles should vibrate faster.
D. The water particles should move freely in all directions, and the iron
particles should slide past each other faster.
When we begin to heat the pot and the water, the water particles should slide past each other faster, and the iron particles should vibrate faster. Option C
What is the temperature?The term temperature refers to the degree of the hotness or the coldness of an object. Much more, the temperature of an object has to do with the measure of the average kinetic energy of the molecules of the body..
Thus, when we begin to heat the water and the iron pot, we know that the kinetic energy of the molecules of the water and the both would increase. This is due to the acquisition of energy in the form of the heat applied.
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I need help to check the answer for those question that have writing underneath and I need help for those question with no pen writing underneath please
Answer:
first page is good 2 page might want to look over again or have a parent help you
Explanation:
What happens after the prohase
Answer:
After prophase is complete, the cell enters prometaphase.
During prometaphase, the nuclear membrane disintegrates and the mitotic spindle gains access to the chromosomes. During this phase, a protein structure called the kinetochore is associated with the centromere on each sister chromatid.
Answer: well after the prophase is complete the cell will enter the prometaphase where the nuclear membrane disintegrates and the mitotic spindle gains access to the chromosomes.
Explanation:
I will give brainliest to whoever answers
Answer: A, D, D
Explanation:
Answer:ok
Explanation:ok
Methods that involve the manipulation of genes or specific sequences of dna are part of a broad category of research and practical applications called dna true or false?.
Answer:
technology
Explanation:
that was the answer choices so im not sure if its true of false all i know its technology
not sure if it will help but have a nice day
Explain the process of filtration and evaporation with the help of labelled diagram?
Answer:Evaporation happens when a liquid substance becomes a gas
Explanation:
if bananas are fruit than bananas are plants if bananas are plants then bananas use photosynthesis so if bananas are fruit then bananas use photosynthesis
Wrong.
Bananas are a fruit. Fruits are not plants, fruits are a product of plants. A banana tree uses photosynthesis but not the fruit.
PLEASE HELP!!
water quality tests from a local river show low levels of two heavy metals under the acceptable, legal limit. however, the residents of the town are suffering from numerous stomach ailments and are showing signs of long-term kidney damage. what can scientists infer about the possible reason for the illnesses in the town?
A. heavy metals cause acute effects but not chronic effects.
B. the first metal causes and acute effect compared to the other.
C. the heavy metals have a synergistic relationship when combined.
D. the heavy metals have an antagonistic relationship when combined.
C. the heavy metals have a synergistic relationship when combined
can scientists infer about the possible reason for the illnesses in the town.
What heavy metals are responsible for renal failure?As a result, high metal exposure may be hazardous. The kidney is the first organ to be affected by heavy metal poisoning due to its tendency to reabsorb and accumulate divalent metals. The degree of kidney damage caused by heavy metals is determined by the type, dosage, route, and duration of exposure.
Toxic metals, especially "heavy metals," are metals and metal compounds that are harmful to people's health. This article discusses certain poisonous semi-metallic elements, such as arsenic and selenium. Many of these metals are required in trace amounts to sustain life.
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PLSSS HELP IF YOU TURLY KNOW THISS
Answer: I'm pretty sure it's sugars.
Explanation:
I think they use it as their food.
treg cells in severe covd-19 patients present a striking treg phenotype, which associates an up-regulation of foxp3 expression with a distinctive transcriptional signature that bears much similarity to tumor tregs
An attribute of COVID-19 is excessive inflammation, which is controlled by regulatory T cells (Tregs)
What are treg cells?An attribute of COVID-19 is excessive inflammation, which is controlled by regulatory T cells (Tregs). In addition to an intriguing role for interleukin (IL)-6 and IL-18, we discovered a noteworthy profile in Tregs from patients with advanced disease. Severe patients were distinguished from healthy people by the production of proinflammatory mediators and an improved suppressive profile that comprised increased Treg proportions. This suggests that these cells had a negative impact on COVID-19 and that there might be a cause for some of the recovery-related issues that are still mostly unexplored. The prognosis of tumor-infiltrating Tregs, which frequently exhibit this tendency, is generally poor.
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Biogeochemical cycles on earth serve a variety of different purposes. what do the biogeochemical cycles have in common? a. they all serve the same function in sustaining life on earth. b. they all include only nonliving components of an ecosystem. c. they are all essential for sustaining life on earth. d. they all include only living components of an ecosystem. please select the best answer from the choices provided a b c d
The thing that all biogeochemical cycles have in common are that c. they are all essential for sustaining life on earth.
In the field of ecology, a biogeochemical cycle can be described as a process by which an essential substance or element is transferred among the biotic and abiotic components of the ecosystem.
The material revolves around the earth as well as the atmosphere and is recycled. The biogeochemical cycles such as the carbon cycle, and nitrogen cycle. water cycles etc are all essential for the sustenance of life on Earth.
Without the biogeochemical cycles, resources will not be recycled in the environment and there will be a depletion of resources.
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3. What process do spores undergo to become haploid cells?
Answer:
Diploid sporophyte cells undergo meiosis to produce haploid spores. Each spore goes through mitotic divisions to yield a multicellular, haploid gametophyte. Mitotic divisions within the gametophyte are required to produce the gametes. The diploid sporophyte results from the fusion of two gametes.
describe the role of a sperms acrosome in fertilisation
Answer: Enables the spermatozoa to penetrate the ova
Explanation: It contains certain digestive enzymes (hydrolytic enzymes) that helps the sperm to tunnel through the zona pellucida of the ova. It mediates the union and binding of the membrane with the egg.