How are rna and dna used to make proteins
Answers
Answer:
During the process of transcription, the information stored in a gene's DNA is transferred to a similar molecule called RNA (ribonucleic acid) in the cell nucleus. ... A type of RNA called transfer RNA (tRNA) assembles the protein, one amino acid at a time.
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Explanation:
Related Questions
what would happen if there is only one type of blood vessel is connected to kidney
Answers
Answer:
Narrowing of the arteries prevents enough oxygen-rich blood from reaching your kidneys. Your kidneys need adequate blood flow to help filter waste products and remove excess fluids. Reduced blood flow to your kidneys may injure kidney tissue and increase blood pressure throughout your body
Examples of Models
of Elements
0₂
Oxygen
He
Helium
S₁
Sulfur
Examples of Models of Compounds
A. Only elements are gases.
H₂O
Water
CO₂
Carbon dioxide
What is the difference between an element and a compound?
B. Only elements have one kind of atom.
C. Only elements have an odd number of atoms.
D. Only elements form large molecular structures.
NH,
Ammonia
Answers
The correct option is (B) only elements have one kind of compound.
What are elements?An element is a pure substance made up of only one kind of atom, each of whose nuclei contains the same amount of protons.An element is a group of atoms that all have the same number of protons in their atomic nuclei. An element's atoms always contain the same amount of protons, however, the mass can differ depending on the number of neutrons present.Atoms of the same element that contain different numbers of neutrons are known as isotopes. There are currently 118 elements, the first 94 of which are naturally occurring, and the last 24 of which are synthetic.Currently, an element, which is a complete chemical compound, corresponds to a single entry in the periodic table. They can only exist as molecules or atoms and cannot be broken down into smaller parts.Compounds:
Chemical substances known as compounds are composed of two or more elements that are chemically bonded together in a certain proportion.Therefore, the correct option is (B) only elements have one kind of compound.
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Can someone please help me with this
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DNA replication process is the event during which the molecule duplicates. It occurs in the interphase and involved different enzymes, a DNA molecule, and free nucleotides. Image attached.
Whatis DNA replication?DNA replication is the process through which DNI molecule duplicates. This event takes place during the S stage of the interphase. So when the cell divides during mitosis or meiosis, each cell will get a complete set of chromosomes.
DNI replication is semi-conservative because each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.
The origin of the replication requires helicase enzymes to break hydrogen bonds and separate the two original strands. The topoisomerase enzyme is necessary to release tension. Other proteins are also needed to join the strains and keep them separated.
Once the molecule is opened, there is a region named replication forks. DNA polymerase makes the new nucleotides enter into the fork and pairs them with the corresponding nucleotide of the original strand. Adenine pairs timine, and cytosine pairs guanine.
DNA strands are antiparallel, and replication occurs only in 5'-3' direction. So one of the strands will replicate continuously, while the other strain will be formed by short fragments known as Okazaki fragments.
Primers are needed to make the DNA polymerase work. Primers are small units of RNA and are placed at the beginning of each new fragment.
You will find the labelled Image in the attached files.
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Which evolved first, photosynthesis or cellular respiration?
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Answer:
Because photosynthesis is a source of oxygen, it seems intuitive that photosynthesis evolved first: once enough O2 was in the air, then respiration would be able to arise in the newly oxygen-enriched atmosphere. However, some biologists have argued since the 1970's that respiration in fact evolved first.
what is the surface area of 0.0002 diameter of a cell
Answers
Answer:4.000000
Explanation:
Match each term with its definition Terms 1. Law of conservation of energy 2. Law of conservation of mass 3. Raymond Lindeman 4. Trophic level Definitionsa. energy cannot be created nor destroyedb. a biologist who studied ecosystem ecologyc. matter cannot be created nor destroyedd. a position in a food chain, a food web, or an ecological pyramid that is occupied by a group of organisms
Answers
1. The law of conservation of energy states that energy cannot be created nor destroyed. Therefore, the correct answer is A.
2. The law of conservation of mass states that matter cannot be created nor destroyed. Therefore, the correct answer is C.
3. Raymond Lindeman is consideres the founder of ecosystem ecology. Therefore, the correct answer is B.
4. Trophic level is a position in a food chain, a food web, or an ecological pyramid that is occupied by a group of organisms. Therefore, the correct answer is D.
the sodium-potassium antiporter works by active transport. what would happen to the transport of sodium and potassium if a cell ran out of atp?
Answers
The sodium-potassium antiporter works by active transport and the effect that would occur in transport if the cell ran out of ATP would be that: less potassium would be transported into the cell by the antiporter.
Active transport is the type of transport where the molecules are transported using the energy. This energy is required because the movement of molecules occurs uphill. i.e. from its region of lower concentration to the region of higher concentration.
Antiporter belongs to the cotransport system of the secondary active transport. In this the two molecules travel in opposite directions. This is achieved by the downhill transport of one molecule that releases energy in the form of ATP and this energy is then used for the uphill transport of another molecule.
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What is the meaning in life it seems so pointless??
Answers
Answer:
To be happy
Explanation:
Honestly If you are happy then life is good, what do you crave in life... go after it
Amino acid is to protein as
nucleotide is to nucleic acid
fat is to lipid.
DNA is to RNA.
sugar is to fat
Answers
Question 3 (2 points) How does Sally fail Esperanza in the vignette "Red Clowns"?
A.) Sally tricks Esperanza into riding the tilt-a-whirl when Esperanza does not want to.
B.) When Esperanza calls for Sally to help her, Sally does not come.
C.) Esperanza trusted Sally, but she realizes that Sally and the boys have been making jokes about her behind her back.
D.) Sally promises Esperanza that she is going to start making better choices, but she doesn't actually change at all.
Answers
Atrium In the story "Red Buffoons" from the chapter "The Red Clowns," Sally deceives Esperanza. Sally ignores Esperanza's request for assistance when she hears her calling.
Esperanza blames Sally in Red Clowns, but why?Isabel says this in "Red Clowns" after being sexually abused by a bunch of lads at a carnival. Instead of condemning the boys who assaulted Sally and caused her harm and anguish, she reiterates her claim that her buddy lied.
What else does Betty do that Esperanza finds offensive?Esperanza accuses Sally of leaving her defenseless after being attacked by a bunch of boys. She is also upset with Sally for misinforming her about romance and sex. Esperanza put herself in harm's way by admiring and following Sally.
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Which best describes the outcome of DNA replication? The new DNA molecule is identical to the original DNA. The new DNA molecule is synthesized from amino acids. The new DNA molecule has a different number of codons. The new DNA molecule is single-stranded
Answers
Hope this helps! :)
Answer:
The new DNA molecule is identical to the original DNA.
Explanation:
The city of Green Valley, Arizona, is trying to determine where to locate a new fire station. The fire station is expected to serve four neighborhoods.
Neighborhood X coordinate Y coordinate Number of homes
Birchwood 0.5 3.5 172
Cactus Circle 2 0.5 42
De La Urraca 3 1.5 223
Kingston 3 1 44
a The X* coordinate of the weighted center of gravity for the new fire station is _____. Enter your response to 2 decimal places.
b. The Y* coordinate of the weighted center of gravity for the new fire station is _____. Enter your response to 2 decimal places.
c. What other factors might come into play when making the final decision?
a. Zoning Considerations
b. Distance from other fire stations
c. Available space
d. All of the above.
Answers
(a) The X* coordinate of weighted center of gravity for new fire station is 1.82. (b) The Y* coordinate of weighted center of gravity for new fire station is 2.06. (c) The factors might come into play when making the final decision is Zoning Considerations, Distance from other fire stations, Available space. Option D is correct.
To determine the location for the new fire station in Green Valley, we need to calculate the weighted center of gravity based on the coordinates and the number of homes in each neighborhood.
The X* coordinate of the weighted center of gravity can be calculated using the formula;
X* = (X₁ × N₁ + X₂ × N₂ + X₃ × N₃ + X₄ × N₄) / (N₁ + N₂ + N + N₄)
where X₁, X₂, X₃, X₄ are the X coordinates of the neighborhoods, and N₁, N₂, N₃, N₄ are the number of homes in each neighborhood.
Using the given data:
X* = (0.5 × 172 + 2 × 42 + 3 × 223 + 3 × 44) / (172 + 42 + 223 + 44)
X* ≈ 1.82
Therefore, the X* coordinate of the weighted center of gravity for the new fire station is approximately 1.82.
The Y* coordinate of the weighted center of gravity can be calculated using the same formula, replacing the X coordinates with Y coordinates:
Y* = (Y₁ × N₁ + Y₂ × N₂ + Y₃ × N₃ + Y₄ × N₄) / (N₁ + N₂ + N₃ + N₄)
Using the given data:
Y* = (3.5 × 172 + 0.5 × 42 + 1.5 × 223 + 1 × 44) / (172 + 42 + 223 + 44)
Y* ≈ 2.06
Therefore, the Y* coordinate of the weighted center of gravity for the new fire station is approximately 2.06.
When making the final decision on the location of the fire station, several other factors might come into play;
Zoning Considerations: The city needs to consider any zoning regulations or restrictions that might limit the potential locations for the fire station.
Distance from other fire stations: The proximity to existing fire stations is an important factor to ensure efficient coverage and response times across the area.
Available space: The availability of suitable land or buildings that meet the requirements for a fire station, such as accessibility, size, and infrastructure, should be considered.
Ultimately, the decision should take into account a combination of factors, including zoning considerations, distance from other fire stations, and available space. This comprehensive approach ensures that the fire station is strategically located to serve the four neighborhoods effectively and efficiently.
Hence, D. is the correct option.
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consider the following case, an animal was infected with a virus. a mosquito bit the animal, was contaminated with the virus, and proceeded to bite and infect a person. which was the vector
Answers
In the given case, the mosquito acts as the vector. A vector is an organism that can transmit an infectious agent from one host to another. In this scenario, the infected animal serves as the original host, harboring the virus.
When the mosquito bites the infected animal, it ingests the virus along with its blood meal. The mosquito then becomes contaminated with the virus. Subsequently, when the contaminated mosquito bites a person, it transmits the virus from its salivary glands into the person's bloodstream, thereby infecting them.
Therefore, in this case, the mosquito functions as the vector responsible for transmitting the virus from the infected animal to the person.
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give an explanation about the importance of these processes (photosynthesis and cellular respiration) in cycling nutrients through the ecosystem of the earth
Answers
Answer: because it is
Explanation:
right?
producers and microorganisms are able to use sulfur easiest if it is in what form? question 4 options: sulfide sulfhydryl group hydrogen sulfide sulfate
Answers
Producers and microorganisms are able to use sulfur the easiest if it is in sulfate form.
Producers, microbes, and sulfateProducers and microorganisms are able to use sulfur the easiest if it is in the form of sulfate. Sulfate is a stable and readily available form of sulfur in many environments.
Producers, such as plants, and various microorganisms have the ability to take up sulfate and utilize it in metabolic processes. Sulfate can be converted into organic compounds containing sulfur through enzymatic reactions within these organisms.
While other forms of sulfur like sulfide, sulfhydryl groups, and hydrogen sulfide may also be utilized by specific microorganisms in different contexts, sulfate is generally the most easily accessible and commonly utilized form of sulfur in biological systems.
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Are there any parts of the human body that get oxygen directly from the air and not from the blood?
Answers
Answer:
The Cornea
is the answer
Some scientists believe Earth's orbit around the sun has changed contributing to global warming.
Answers
In an experiment involving plants you want to see how changing the amount of fertilizer affects plant height what whould be your dependent variable p
Answers
In the given experiment, the dependent variable would be the plant height.
It is the variable that is expected to change in response to the manipulation of the independent variable, which is the amount of fertilizer. By altering the amount of fertilizer provided to the plants, the researcher can observe and measure how it influences the growth of the plants, specifically their height.
The dependent variable, in this case, serves as an indicator or measure of the effect of the independent variable on the plants.
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explain the difference between the dartos and cremaster muscles. what is their functional purpose?
Answers
Answer:
During colder-than-ideal temperatures the cremaster contracts to raise the testicles toward the body, and the dartos muscle causes wrinkling of the scrotum in order to provide less surface area for heat loss by becoming smaller
Explanation:
The dartos muscle is responsible for regulating the temperature of the testicles by contracting or relaxing to adjust the distance between the skin and the testes.
On the other hand, the cremaster muscle is responsible for raising and lowering the testes to control their position in the scrotum. Both muscles are part of the spermatic cord and aid in temperature regulation for optimal sperm development.
The dartos muscle is located in the subcutaneous tissue of the scrotum and responds to temperature changes, while the cremaster muscle is located in the inguinal canal and is controlled by the sympathetic nervous system.
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Fossils-preserved remains or traces of what
Answers
Answer:
Fossils are the preserved remains or traces of animals, plants, and other organisms from the past. Fossils range in age from 10,000 to 3.48 billion years old. The observation that certain fossils were associated with certain rock strata led 19th century geologists to recognize a geological timescale.
Explanation:
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Saturn's rings:
1.) are smaller than Jupiter's
2.) are made of ice and dust
3.) do not have any space between them
4.) can only be seen when the sun is behind the planet
Answers
Life span of WBCs is shorter as compared to RBCs. Why?
Answers
Answer:
The white blood cells have a short lifespan as they are destroyed by the lymphatic system of the body.
The white blood cells or the leukocytes have an average lifespan in between 13 to 20 days whereas the red blood corposcles can live upto 120 days.
The RBCs are also removed by the spleen to stay to stay in the bloodstream after completion of their lifecycle.
WBC count is very important to define the immune system. of the body.
how many living things are there on the plant?
Answers
Answer:
8.7 million species of plants and animals are in existence at the moment. Moire are being discovered everyday (at least I think so cx)
Explanation:
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describe an example to illustrate how genotype and environment contribute to phenotype
Answers
The combined influences of genotype and environment have a substantial impact on phenotype. One example is the changing of morphology in some plants as a result of environmental changes.
What effects do genetics and environment have on phenotype?Although spontaneous mutations can cause it to change, the genotype normally remains constant from one environment to the next. When the same genotype is exposed to different settings, however, it can produce a wide range of phenotypes.
What is an example of a phenotypic effect of the environment?Environmental factors such as temperature and nutrition availability influence phenotypes. Temperature, for example, influences coat color in Siamese cats.
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Which renewable energy resource comes from burning plant material.
Answers
Answer:
Biomass
Explanation:
Biomass is renewable organic material that comes from plants and animals. Biomass was the largest source of total annual U.S. energy consumption until the mid-1800s. Biomass continues to be an important fuel in many countries, especially for cooking and heating in developing countries
The primary visual cortex is located in the parietal lobe.truefalse
Answers
False, The primary visual cortex is not located in the parietal lobe.
What is the primary visual cortex?The primary visual cortex, also known as V1 or the striate cortex, is located in the occipital lobe at the back of the brain. The parietal lobe is responsible for processing sensory information related to touch, spatial awareness, and navigation.
The primary visual cortex is the first cortical area in the visual pathway and receives input from the lateral geniculate nucleus of the thalamus. This input contains information about the orientation, location, and spatial frequency of visual stimuli.
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is the general term for carbohydrates composed of two monosaccharides.
Answers
Disaccharides is the general term for carbohydrates composed of two monosaccharides.
In the body, monosaccharides have two main purposes: power storage and serving as the structural building blocks for more complex carbohydrates. A form of carbohydrate that can't be hydrogenated into smaller carbs is a monosaccharide, commonly referred to as a simple sugar.
Disaccharides function similarly to other carbohydrates as a source of energy for the body. When we consume foods containing disaccharides, our systems convert them into monosaccharides, or simple sugars, for absorption in the small intestine. When two monosaccharides (simple sugars) are connected by a glycosidic bond, a disaccharide, also known as a double sugar, is created.
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Should blue crab fishing in the Chesapeake Bay be banned?
Answers
Blue crabs get their name from their blue-tinted claws and are very popular type of crab. Many people harvest these crabs for meat. The number of blue crabs has decreased in the Chesapeake Bay because of over- harvesting and changes to their habitat. (Then explain if you think it should be banned after knowing this information) if you don’t think it should be banned then you could talk about regulations and licensing for crab fishing, or if you think it should be banned you could explain the effects of habitat loss on the crabs.
Which type of tissue adds structure to
the body?
1. Muscle
2. connective
3.nerve
4.epithelial
Answers
Answer:
4. Epithelial layer
Explanation:
evolutionary changes that create new species, impacting the diversity of organisms over long periods of time through the evolution and extinction of many species, best describes which process?
Answers
The process that best describes the evolutionary changes that create new species and impact the diversity of organisms over long periods of time through the evolution and extinction of many species is speciation.
Speciation is the process by which new species arise from existing species. It occurs through various mechanisms, such as genetic mutations, genetic recombination, and natural selection, which lead to changes in the genetic makeup of populations over time. These changes can accumulate and eventually result in the formation of new species that are reproductively isolated from their ancestral species, meaning they can no longer interbreed and produce fertile offspring.
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The process that best describes the evolutionary changes that create new species and impact the diversity of organisms over long periods of time through the evolution and extinction of many species is known as speciation.
Speciation is a gradual process that occurs over thousands or even millions of years as a result of various factors such as geographic isolation, genetic mutations, natural selection, and reproductive barriers.
Over time, the accumulation of genetic differences can result in the formation of new species, leading to an increase in biodiversity.
However, speciation can also lead to the extinction of certain species that are unable to adapt to changing environments or compete with new and better-adapted species.
Therefore, speciation plays a crucial role in shaping the diversity of life on Earth over long periods of time.
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