Is this multiple choice?
Biomass has it's advantages and disadvantages. Biomass is a type of fuel that is not a limited substance, while coal is very limited. While this may be true, biomass in some ways is more expensive than coal. It also causes the same amount, or more, air pollution. Biomass as well does not create as much fuel when it's burnt in terms of carbon dioxide.
Because it can be created from sources that are renewable and can be continuously replenished, such as garbage and plants, bioenergy, also known as energy obtained from biomass, is a sustainable substitute for fossil fuels.
What is biomass?Organic material, including plants, trees, and garbage from the agricultural and urban sectors, is the source of biomass.
It can be used as a fuel for transportation as well as for heating. By using biomass more frequently, the EU can diversify its energy sources, spur economic expansion and job development, and reduce greenhouse gas emissions.
All kinds of wood debris can be used in a wide range of biomass technologies and generate great biomass fuels.
Bioenergy, also known as energy from biomass, is a sustainable alternative to fossil fuels since it can be produced from renewable and perpetually replenishable sources like trash and plants.
Thus, it can be concluded that biomass is a better alternative to coal.
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what is the second step of protein synthesis?
The second step of protein synthesis is translation
Final answer:
The second step of protein synthesis is translation, where mRNA is read by a ribosome in the cytoplasm and tRNA molecules bring corresponding amino acids to form a polypeptide chain. The process consists of initiation, elongation, and termination stages.
Explanation:
The second step of protein synthesis is called translation. During translation, mRNA that has been transcribed from DNA is read by a ribosome to assemble a polypeptide chain. The ribosome facilitates the binding of transfer RNA (tRNA) molecules that have attached amino acids, corresponding to the codons on the mRNA. The tRNA transfers amino acids to the growing polypeptide chain in the correct sequence, contributing to the formation of a functional protein.
Steps of Translation:
Initiation: A ribosome binds to mRNA with the help of initiation factors and an initiator tRNA.Elongation: tRNA molecules bring amino acids to the ribosome, which adds them to the growing polypeptide chain.Termination: The process ends when a stop codon on the mRNA is reached, releasing the newly formed protein.Translation occurs in the cytoplasm of the cell where ribosomes are located and play a key role in assembling proteins.
Paulo is doing a presentation in his class about the characteristics of plants. during his research he has written down some notes. Which would be the best title for Paulo’s presentation?
Answer: can be almost any size
Explanation: Plants are extraordinary organisms that come in a variety of shapes and sizes. The smallest is the watermeal (Wolffia globosa). With sizes of approximately 2 millimeters (0.079 in), it is also the smallest flowering plant in the world. One of the largest are the sequoia with heights of 70-85 meters and ages of over 3000 years old.
Plants are usually divided into two groups depending if they produce seeds or not. Thus, the three group title is unsuitable. As shown above, plants can reach extremely large sizes so the second title is unsuitable too.
All multicellular organisms contain specialized tissues, not only plants. Plants use active transport too and do not rely solely on diffusion. The last tile is also unsuitable as some plants do have true stems and leaves.
The best title for Paulo's presentation would be "How Plants Differ". This is because it is the most general title that encompasses all of the information in his notes. The other options are either too specific or not specific enough.
How Plants Differ is a good title because it covers all of the following points:
Plants can be divided into three groups: non-vascular, vascular, and seed-bearing.
Plants can be small or large, depending on the species.
Plants have specialized tissues, but they also use other mechanisms, such as active transport.
Some plants have true stems and leaves, while others do not.
The other options are not as good because they do not cover all of these points. For example, "Can Be Almost Any Size" is too specific because it only covers one of the points (that plants can be small or large). "How Plants Work" is not specific enough because it could cover a wide range of topics, not just the characteristics of plants.
Therefore, the best title for Paulo's presentation is "How Plants Differ".
An example of natural selection is the red color of a male cardinal. The females of the species choose mates based on the vibrant colors of the males’ feathers. If females begin using different criteria than feather color when they choose mates, what would most likely happen to the tails of peacocks over time?
If female’s species would chose their mates using different criteria other than feather, it may lead to decrease in variation in tail feather color because the only reason for the variation was selection pressure.
Explanation:
The opposite gender for mating are chosen based on specific criteria like color of feathers, eye color etc..The selection of opposite gender is the natural selection considering the red color of the male cardinal. This red color male cardinal which depends only on the sexual selection pressure will now reduce. As this was now neutralized it may lead to decreased variation.
Answer:
Decreased variation in the shades of red because no form of the trait is advantageous.
Explanation:
Natural selection may be defined as the differential reproduction and survival of the individual due to their differences in the phenotype. Natural selection acts as the main driving force for evolution.
The male cardinal red color gets change or may show variation as it is no longer used by them to attract the females. The red shade variation get decreases and may get changed over time. The red color trait is non advantageous and get extinct with time.
Bacteria often contains small circular molecules of DNA know as what?
Bacteria often contain plasmids, which are small, circular, double-stranded DNA molecules that can carry genes conferring beneficial traits such as antibiotic resistance.
Explanation:Small circular molecules of DNA that are commonly found in bacteria are known as plasmids. These double-stranded DNA molecules are extrachromosomal, which means they exist independently of the bacterial chromosomal DNA. In the prokaryotic cells of bacteria, plasmids are located in the cytoplasm since bacteria lack a nucleus where eukaryotic DNA is typically found. The central region where the bacterial DNA resides is referred to as the nucleoid. Plasmids play a crucial role in the survival and adaptation of bacteria as they can carry genes that provide advantageous traits, such as antibiotic resistance. These plasmids can also be transferred between bacteria, a process which can lead to the spread of traits such as antibiotic resistance.
The bacterial DNA is organized within the nucleoid and a bacterium may have multiple plasmids. Each plasmid is a small, circular, supercoiled DNA molecule that often carries genes beneficial for bacterial survival under certain conditions, such as antibiotic or toxin-heavy environments. This demonstrates the importance of plasmids in the genetic adaptability of bacteria.
In what way did the point mutation affect the protein?
Answer:
Point mutations can have several effects on the behavior and reproduction of a protein depending on where the mutation occurs in the amino acid sequence of the protein. If the mutation occurs in the region of the gene that is responsible for coding for the protein, the amino acid may be altered.
Explanation:
What process is occurring in this illustration
Answer:
Option C, Secondary succession
Explanation:
It is the for of ecological succession in which life starts originating from a region where it has existed earlier but due to some natural incidences it has disappeared for a certain duration of time.
Here in this the rock is exposed which means some natural process has caused this. After which lichen and mosses starts originating from it. Then the other superior form of life starts originating.
Thus, it is an example of secondary succession.
Option C is correct.
Does Earth’s gravitational force field act on objects that aren’t touching Earth’s surface?
yes because when things are flying, they have to be propelled. Thats how gravitty works lol.
If ur talking about stuff in space, then yes to that too. They moon revolves because of gravity and inertia
Yes, Earth's gravitational force field acts on objects that aren't touching Earth's surface. The gravitational force between two objects, like Earth and any other object, depends on their masses and the distance between them.
What is the gravitational force?According to Newton's law of gravitation, the gravitational force between two objects is proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
The Earth's gravitational force is due to the planet's mass and size. All objects near the planet, including those above its surface, experience a gravitational pull because of the Earth's gravitational force.
Gravitational force is the force of attraction which is present between any two bodies and it is responsible for holding the objects in place.
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would the phases of the moon be affected if the moon did not make one rotation for each revolution of earth.
no, as the moon's phases are due to the relative position of the earth and the sun so you may see a different part of the moon but the phases will stay the same
what would occur in your muscles if there was a drastic decrease in calcium production?
It causes muscular irritability which can lead to cramps and twitching of facial muscles.
Final answer:
A drastic decrease in calcium production can lead to hypocalcemia, impacting muscle contractions and causing symptoms such as cramps, spasms, or tetany. Neurons can also be affected, leading to increased excitability and convulsions. Hypoparathyroidism, a common cause of low blood calcium, can severely disrupt neuromuscular function.
Explanation:
When there is a drastic decrease in calcium production in the body, it leads to a condition called hypocalcemia. This condition can negatively impact various systems within the body, including the muscular system. Without sufficient calcium, muscle contractions become impaired, which might lead to muscle cramps, spasms, or even prolonged contractions known as tetany. For neurons, low blood calcium can increase membrane permeability to sodium, which can result in muscle twitching and severe cases may lead to convulsions or paralysis, including respiratory muscles, and can prove to be fatal.
In the case of hypoparathyroidism, which is an underproduction of parathyroid hormone (PTH), there can be extremely low levels of blood calcium. As PTH helps regulate calcium levels in the blood, its deficiency can cause acute symptoms in muscle contractions and overall neuromuscular function. Muscle function impairment and tetany are common outcomes of severe hypocalcemia due to hypoparathyroidism.
What are two Amphibian behaviors
ecosystem.
terristeral
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Frogs NewtsThose are the most common Amphibian behaviors.
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Temperature can be used to measure a particle's
chemical energy.
ionic energy.
kinetic energy.
potiental energy.
an ion is formed when an Atom ___
A: loses electrons
B: gains neutrons
C: gains photons
D: loses photons
The efforts of governments and businesses toward conservation and preservation have had a positive impact on the environment. Please select the best answer from the choices provided T F
The statement given in the question is TRUE.
Both government and many business organization have make grand efforts to conserve and preserve natural resources and to keep the environment from been polluted. The government has enacted many laws that has to do with conservation of environment and natural resources, some of these laws have to do with how much pollutant business organizations can release into the environment. Overall, all the preservation and conservation efforts have impacted positively on the environment.
Answer:
t
Explanation:
we know from the DNA unit that chromosome (which are made of DNA) are copied by a process called ______
We know from the DNA unit that chromosome (which are made of DNA) are copied by a process called Transcription
Answer:a
Explanation:
Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun. What does the force of gravity depend on?
Answer:
Explanation:
In depends on two things:
1. The masses of the objects
2. The distance of the objects between them
Observations.
The greater the distance, the smaller the force of gravity.The smaller the distance, the greater the force of gravity.The greater the masses of the objects, the greater the force of gravity.The smaller the masses the smaller the force of gravity.Of the more than 35 animal phyla, the ____________ are considered the most successful of all animal groups.
Answer:
Of the more than 35 animal phyla, the arthropods are considered the most successful of all animal groups
a tRNA molecule has an ____ ____ at the top and an _____ at the bottom
amino acid and RNA (or anticodon)
tRNA is used in the process of translation, which is when cells create a protein (polypeptide) from a strand of mRNA just came from the nucleus and is floating in the cytoplasm. This process occurs with the help of ribosomes!
A ribosome binds to an mRNA molecule, and tRNA's come swooping in one at a time to add amino acids to a growing polypeptide chain (protein).
On one end of the tRNA is a set of 3 RNA bases (called an anticodon), that binds perfectly to the opposing next 3 bases on the mRNA strand (called a codon) as it works it way through the ribosome. On the other side of the tRNA is the amino acid that the codon on the mRNA codes for, thus allowing the specific protein to grow 1 amino acid at a time.
***see attached pic***
A tRNA molecule has an amino acid attachment site at the top and an anticodon at the bottom
What are the different types of RNA molecules?In the production of proteins, there are three primary kinds of RNA. They are ribosomal RNA, transfer RNA, and messenger RNA (mRNA) (rRNA).
mRNA
The genetic code needed to generate proteins is found in mRNA, which is produced from DNA. Prokaryotic mRNA doesn't need to be translated; it can start synthesizing proteins right away. A newly generated RNA transcript in eukaryotes is referred to as a pre-mRNA and needs to go through maturation to become an mRNA. Introns and exons, which are referred to as coding and non-coding sections, respectively, are found in pre-mRNA. The exons are linked together and the introns are spliced during the processing of pre-mRNA. The 5' end of the RNA transcript receives a 5' cap called 7-methylguanosine, while the 3' end is polyadenylated.tRNA
The RNA molecules known as tRNAs convert mRNA into proteins. A 3' acceptor site, 5' terminal phosphate, D arm, T arm, and anticodon arm make up their cloverleaf structure. With the aid of aminoacyl-tRNA synthetase, a tRNA's main job is to transport amino acids to a ribosome complex on its 3' acceptor site. To create proteins, enzymes called aminoacyl-tRNA synthetases attach the proper amino acid to a free tRNA. An aminoacyl-tRNA is a tRNA that has been bonded by an amino acid.
rRNA
Ribosomes, which are necessary for protein synthesis, are created by rRNA. There are two ribosomal subunits: a large and a small one. A prokaryotic 70S ribosome is made up of the small 30S and large 50S ribosomal subunits. The 40S and 60S subunits combine to generate an 80S ribosome in eukaryotes. The ribosomes have three sites for binding aminoacyl-tRNAs and joining amino acids to form polypeptides: the exit (E), peptidyl (P), and acceptor (A) sites.To learn more about RNA molecules, refer to
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In eukaryotes, Mitosis is the process that produces 4 identical cells from two cells. True or false I believe it’s false .... am I right ?
Yes you are right in thinking that as mitosis creates two daughter cells. Meiosis is the one which creates 4 identical cells
Which is an environmental factor that affects skin color in humans? amount of food consumed amount of sunlight absorbed number of genes inherited number of linked genes
Answer: Amount of sunlight absorbed
Explanation:
The amount of sunlight absorbed by the body affect the color of the individual. Rest all the factors that affects the color of the individual are genetic factors.
The person who absorbs more sunlight will have more melanin concentration or amount in their cells as as compared to the person who absorbs less sunlight.
Hence, the correct answer is option sunlight absorbed.
Technician A says that the oil control ring scrapes oil off the cylinder wall with each downward piston stroke. Technician B says that a typical oil control ring consists of two separate pieces. Who is right?
A. Technician B only
B. Both Technicians A and B wrong answer
C. Technician A only
D. Neither Technician A nor B
p.s "both"is wrong
Answer:
C. Only tech A is correct
Explanation:
Oil control rings are designed differently than compression rings. A typical oil control ring consists of three separate pieces: two very thin metal rings called scrapers, and a spacer ring called an expander placed in the groove between them.
Final answer:
Technician A is correct in saying the oil control ring scrapes oil off the cylinder wall with each downward piston stroke. Technician B is incorrect; oil control rings can be a multi-piece component, not necessarily two pieces. The right answer is C, Technician A only.
Explanation:
The question asks who is correct regarding the function and structure of an oil control ring in an engine. Technician A states that the oil control ring scrapes oil off the cylinder wall with each downward piston stroke, which is accurate. Its main function is to clear excess oil from the cylinder walls and return it to the sump. Technician B is not correct in stating that a typical oil control ring consists of two separate pieces. In reality, the oil control ring can be even more complex, often consisting of two thin rails with a spacer expander, making it more accurately a multi-piece component. Therefore, the correct answer to this question would be C, Technician A only.
A patient is suffering from polio, which is a viral disease. What treatment could have prevented the disease? The patient should have been vaccinated. Antibiotics should have been given to the patient. The patient should have consumed nutritious food. Surgery should have been performed on the patient.
The patient should have been vaccinated. The vaccine prevents you from getting polio
The treatment that could have prevented the polio disease is vaccination. Therefore, option (A) is correct.
What is vaccination?Polio is a viral disease that can be prevented through vaccination. The polio vaccine is safe, effective, and widely available. It is recommended that children receive a series of polio vaccinations, typically starting at 2 months of age.
Vaccination is the most effective way to prevent polio and protect against the serious complications associated with the disease. Antibiotics, nutritious food, and surgery do not prevent or cure polio as it is a viral infection.
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What elements generally make an ionic bond
An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms.
What is the difference between a nursing home and hospice
Nursing homes are where the patient lives in a hospital type setting with constant care. Hospice is a group of professional nurses and caregivers visiting the patients home and administering care in their final days.
An organism that is eukaryotic, multicellular, and has cell walls is
fungi
hope this helps :)
Fungi is the answer to this question.
Hope this helps.
what are the four major resources that affect population density
Thx for your help:)
population density are habitats, food, mates, and ... Decreases.
Natality, mortality, immigration and emigration affects population density.
What is population density?It is defined as the number of organisms in a given habitat during a given period of time.The factors that influences it include: food availability, weather and predation.Population density increases during natality and immigration (number of same species in a habitat that comes from somewhere else) whereas it decreases during mortality and emigration (number of same species leaving a habitat).What is natality?It is the rate of birth at given period. It increases the population density.What is mortality?It is the rate of death at given time.It decreases the population density.Hence, the population density is affected by immigration, natality, mortality and emigration.
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Which of the following is true about oxygen in plants? Oxygen is produced only for photosynthesis and is not used for any other purpose. Oxygen is stored in the plant for animals to consume and use for cellular respiration. Plants need to take in both carbon dioxide and oxygen for the process of photosynthesis. Plants both produce and use oxygen for photosynthesis and cellular respiration, respectively.
The answer is; Plants both produce and use oxygen for photosynthesis and cellular respiration, respectively.
Plants use the energy from the sun to split water molecules to H+ and O2-. The H+ is used to reduce carbon dioxide into glucose molecules. The oxygen is a byproduct that is evolved. However, the cellular respiration of plant cells is similar to that of other organisms on earth. They utilize oxygen to ‘burn’ glucose for energy.
Final answer:
Plants produce oxygen as a byproduct of photosynthesis and also consume it during cellular respiration to produce ATP.
Explanation:
Among the given options, the true statement about oxygen in plants is that plants both produce and use oxygen for photosynthesis and cellular respiration, respectively. During photosynthesis, plants utilize carbon dioxide and water, using sunlight as an energy source, to produce glucose and release oxygen as a byproduct. However, the same plants also take in oxygen for the process of cellular respiration, which occurs in all parts of the plant, not just the green parts containing chlorophyll. Oxygen is necessary for this process as it helps to break down glucose, releasing energy in the form of ATP which the plant uses for its metabolic activities.
Which of the following is a protostome?
molluscs
sponges
cnidarians
chrodates
Molluscs are protostomes.
Mollusks are protostome
Can someone plz answer 20 points
Do sharks have bacteria in their stomachs that help them digest food
Ruminants, such as cows and sheep, are those animals that have four stomachs; they eat plant matter and have symbiotic bacteria living within their stomachs to help digest cellulose.hope for brainlist please dont report me
During a trip to the Galapagos Islands, which observation led Charles Darwin to suspect that organisms change over time?
A) Island finches were able to breed with mainland species.
B) Island finches resembled mainland finches, but were not the same species.
C) Island finches resembled extinct species from other islands around the world.
D) Island finches did not have beaks of the same size and shape.
the answer is B( Island finches resembled mainland finches, but were not the same species.
Based on the diagram, which question was this student MOST LIKELY investigating?
1. there is not diagram to examine 2 no answer choice so how are we supposed to answer this?