Answers
Answer:
A). True
Explanation:
tRNA, which means transfer RNA is one of the three types of RNA known in nature. The tRNA is found in the ribosome, where it plays a pivotal role in protein synthesis (translation). Transfer RNA is the RNA responsible for reading the nucleotides in the mRNA codon and carrying the amino acid that corresponds those codons to the ribosome.
The tRNA has a 3-dimensional structure that allows it to carry anticodon that reads codon and also carry amino acids on opposite ends. Hence, according to this question, tRNA is a type of RNA that delivers amino acids to the ribosome during protein synthesis.
Related Questions
An amino acid's unique characteristics is defined by the ________.
Answers
Richard owns several acres of land. The land is covered with oak trees. Richard uses the oak trees for producing lumber. However, the government has imposed some restrictions on Richard. He is allowed to cut a specific number of trees annually. If the number is exceeded, he has to pay a fine. Which type of property rights regime suits this scenario?
Answers
The property rights regime that suits this scenario is a regulated property rights regime.
In a regulated property rights regime, the government imposes regulations and restrictions on the use and management of certain resources or properties. These regulations are put in place to ensure the sustainable and responsible utilization of the resources while balancing the interests of both the owner and the broader society.
In Richard's case, the government has imposed restrictions on the number of oak trees he can cut annually. This limitation is likely aimed at protecting the oak tree population and ensuring their long-term sustainability. By setting a specific number of trees that can be cut, the government is regulating the utilization of the resource to prevent overexploitation and potential environmental harm.
Additionally, the imposition of fines for exceeding the permitted number of tree cuts provides an economic incentive for Richard to comply with the regulations. The fines serve as a mechanism to deter excessive tree cutting and encourage responsible management of the oak trees.
Overall, the regulated property rights regime in this scenario strikes a balance between Richard's ownership rights and the need for sustainable resource management, ensuring the preservation of the oak tree population for future generations.
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List three factors that account for the rapid growth of the world's human population over the past 200 years.
Answers
Answer:
In the 1960s, China's large population was growing so rapidly that there was a serious threat of mass starvation.
• The government established the world's strictest family planning and birth control program, promoting one-child families and provides contraceptives, sterilizations, and abortions for married couples.
• Married couples pledging to have no more than one child receive a number of benefits including better housing, more food, free health care, salary bonuses, and preferential job opportunities for their child.
• Between 1972 and 2011, the country cut its birth rate in half and trimmed the average number of children born to its women from 5.7 to 1
Explanation:
5. The mesosphere is found at 50 to 85 km above Earth’s surface. (5 points)
A. What temperatures would you expect in the mesosphere? (3 points)
Answers
In the mesosphere, temperatures generally decrease with increasing altitude and may range from about -90°C (-130°F) to -120°C (-184°F).
What is the mesosphere?The mesosphere is described as the third layer of the atmosphere, directly above the stratosphere and directly below the thermosphere.
The average temperatures in the mesosphere range from roughly -90°C (-130°F) to -120°C (-184°F).
However, temperatures can fluctuate based on location, time of year, and other factors.
The mesosphere is one of the coldest parts of the Earth's atmosphere due to these extraordinarily low temperatures.
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Where are the A, B and RH antigens located
Answers
Answer: The A, B, and Rh antigens are located on the surface of red blood cells.
Explanation:
Which organism is likely to carry out the process shown in the diagram?
CO, + H,O
Heat
www
Chloroplast
Mitochondrion
MASS
Respiration
OA. Barn owl
OB. Mushroom
C. Alligator
-0₂
Sugar
ATP
Answers
Answer:
C
Explanation:
took the test
Where in a plant would you find a fruit?
Answers
HURRY IM BEING TIMED PLEASE!
Which statement explains how the two structures interact in gene expression?
A. molecule A is produced in translation, and molecules A and B join during transcription.
B. Molecule B is produced in translation, and molecules A and B join during transcription
C. Molecule A is produced in transcription, and molecules A and B join during translation
D. Molecule B is produced in transcription, and molecules A and B join during translation
Answers
A gene transcription occurs when the RNA copy of a gene sequence is made.
What is gene?Although your question is incomplete as the image is lacking but I will try to help you the much I can. Gene is a unit of inheritance found in the chromosomes.
A gene transcription occurs when the RNA copy of a gene sequence is made. The correct image can not be located as the image attachment is lacking.
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Answer:
C
Explanation:
because transcription comes first and then translation comes next
Which characteristic of life best describes the process of photosynthesis?
Answers
Answer: The correct answer will be metabolism.
Explanation: Photosynthesis is a process performed by the plants and green bacteria which produces sucrose using carbon dioxide and water in the presence of sunlight.
PLZ HELP
20 POINTS AND BRAINLIEAST
A scientist who has isolated the green fluorescent protein (GFP) gene from a sample of jellyfish DNA would use which technology to produce multiple copies of the GFP gene most effectively?
Gel electrophoresis
Polymerase chain reaction
Restriction enzyme digestion
Gene cloning
Answers
Answer:
Gene cloning
Explanation:
took the test
Cloning is referred to as producing similar or identical copies of the same recombinant molecule. Recombinant DNA technology, Gene cloning, and polymerase chain reaction are some of the processes used to amplify the results.
The correct answer is:
Option D. Gene Cloning
Gene cloning is defined as the process in which the gene of interest is copied from the extracted DNA and is incorporated into the host to replicate the same.
The steps of gene cloning are:
Isolation or extraction of the gene of interest using restriction enzymes. The selection of a suitable vector or plasmid for carrying the gene of interest. The DNA fragment is then introduced into the desired vector. Transformation of donor DNA into the suitable host cell. The final step is to isolate the colonies of the transformed cells.
Thus, the correct answer is gene cloning.
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Select all of the following cellular organelles that can be easily identified with the help of a brightfield microscope. Select all of the following cellular organelles that can be easily identified with the help of a brightfield microscope. Check All That Apply ribosome nucleus flagellum clusters of any organelle
Answers
The following cellular organelles can be easily identified with the help of a brightfield microscope:
Nucleus and cluster of any organelle (option 1 & 3)
Structures including cell walls, vacuoles, cytoplasm, chloroplasts, nuclei, and cell membranes of some organelles are magnified using a light microscope. Compound light microscopes make use of both light and lenses to magnify cell components. However, they will typically only attain a maximum magnification of 2000x unless they have access to an electron microscope with enhanced magnification, which is insufficient to see many other microscopic organelles such ribosomes, endoplasmic reticulum, lysosomes, centrioles, and Golgi bodies. Although it can be used to amplify organelles, just like chloroplast.
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Could the speed at which molecules diffused over the dialysis tubing been slowed down or sped up? If so, explain how.
Answers
The speed at which molecules diffuse over dialysis tubing can be influenced and either slowed down or sped up.
Could the molecules speed up?
In general, smaller molecules disperse faster than larger ones. The diffusion rate would be slower if the molecules attempting to pass through the dialysis tube were larger in size. On the other hand, smaller molecules will disperse more quickly.
Diffusion is greatly influenced by the concentration differential between the two sides of the dialysis tube. Diffusion will happen more quickly if there is a steep concentration gradient (a big variation in concentration). Diffusion will move more slowly if the gradient of concentration is small.
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What structure protects and gives support to a plant cell?
A).vacuole
B).cell wall
C).cytoskeleton
D).cell membrane
Answers
Answer:
B
Explanation:
because plant cells have a cell wall
Its the plants cell structure
What are the stages of bee development (eggs,larvae,pupae)
Answers
The stages of bee development are egg, larva, pupa, and adult. Eggs hatch into larvae, which then transform into pupae. Finally, adult bees emerge and undergo further maturation.
The stages of bee development are:
1. Egg: The bee life cycle begins when the queen bee lays an egg in a honeycomb cell.
2. Larva: The egg hatches into a larva, which is a legless, grub-like creature. The larva is fed a special diet called royal jelly, which stimulates its growth.
3. Pupa: The larva undergoes metamorphosis and transforms into a pupa. Inside the sealed cell, the pupa undergoes various changes, developing into an adult bee.
4. Adult Bee: After completing the pupal stage, the fully developed adult bee emerges from the cell. The bee then undergoes further maturation, such as its exoskeleton hardening, wings expanding, and adult coloration appearing.
It's important to note that there are three castes of bees: queen, worker, and drone. The development process for each caste is similar, but the diet and size of the cells they are raised in differ, leading to their distinct roles within the colony.
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what are some basic things about genetics and how they function (need for a one pager)
Answers
People receive their parents' chromosomes, which house their genes. The 23 pairs of the 46 chromosomes that make up the human genome total 46. Chromosomes are paired. One set of each pair of chromosomes—one from the mother and one from the father—is randomly inherited by a child from each parent.
Genes serve a variety of purposes.
As parts of genetic material, genes are also units of inheritance.
They regulate the phenotypes or morphologies of individuals.
Cell division requires the replication of genes.
Hereditary information is passed down from one generation to the next through genes.
Here are five genetics-related facts.Genetics: Interesting Facts
About 90% of the genetic material in mice and 98% in chimpanzees is shared by humans. A nearly complete copy of the human genome is found in every cell of the body. Both our mother and father contribute 23 chromosomes to us. Genes can be passed down to cause some diseases.
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Identify the choice that best completes the statement or answers the question.
A scientist analyzes a fossil found in the limestone layer of Mountain A. By applying the technique of radiometric dating to the fossil, the scientist concludes that the limestone formed approximately 1.34 billion years ago.
Which two assumptions are necessary to support the scientist's conclusion? Select the two correct answers.
options:
After the fossil formed, all of its radioactive isotopes decayed very quickly.
Radioactive isotopes decay at a constant rate over long spans of time.
The fossil formed at the same time as the limestone surrounding it.
The fossil formed from the same materials as the limestone surrounding it.
After the limestone formed, chemical and physical processes affected it only minimally.
Answers
The correct answers are: Over extended periods of time, radioactive isotopes degrade at a consistent rate.
The limestone around the fossil also formed at the same time.
Radiometric datingThe age of a material can be ascertained via radiometric dating by observing the decay of its radioactive isotopes. In the case of the limestone layer discovered in Mountain A, a scientist used radiometric dating to examine a fossil discovered within the layer and came to the conclusion that the limestone originated about 1.34 billion years ago. Two premises are required for the validity of this conclusion. Secondly, a key tenet of radiometric dating is that radioactive isotopes decay over extended periods of time at a constant rate. Second, it is assumed that there were no significant alterations or disturbances to the stratum following its formation because the fossil formed concurrently with the limestone that surrounded it.learn more about fossils here
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What is the difference between blue green and fungi?
Answers
Blue-green algae are photosynthetic prokaryotes, while fungi are eukaryotes that obtain nutrition through absorption.
Blue-green algae and fungi are both organisms, but they belong to different domains and have distinct characteristics. Blue-green algae, also known as cyanobacteria, are classified under the domain Bacteria, while fungi belong to the domain Eukarya.
Blue-green algae are prokaryotic organisms, lacking a true nucleus and membrane-bound organelles. They obtain energy through photosynthesis and are capable of converting sunlight into chemical energy. They typically inhabit aquatic environments, such as lakes, ponds, and oceans, and some species can fix atmospheric nitrogen.
On the other hand, fungi are eukaryotic organisms with a distinct nucleus and membrane-bound organelles. They obtain nutrition by absorbing organic matter from their surroundings. Fungi play crucial roles in decomposition and nutrient cycling in ecosystems. They can be found in various habitats, including soil, plants, and even as symbiotic partners with other organisms, such as in mycorrhizal associations.
In summary, the primary differences between blue-green algae and fungi lie in their cellular structure, mode of nutrition, and classification. While blue-green algae are photosynthetic prokaryotes, fungi are eukaryotes that obtain nutrition through absorption. Understanding these distinctions helps in appreciating the diversity and ecological significance of these two groups of organisms.
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/Written answers for these questions by 7/23?? will vote brainiest!! Just don't have a lot of time for this on top of my other classes :(
Pro tip: dont take 6 summer classes.
Answers
Cell division is the process by which a parent cell divides into daughter cells.
Why is cell division important?Cell division is important as it helps in the production of identical copies of cell. It also helps in repairing the damaged tissues or cells that are worn out.
The difference between mitosis and meiosis is that mitosis results in two identical daughter cells while meiosis results in four se-x cells.
Mitosis creates diploid daughter cells while meiosis creates haploid daughter cells.
Lastly, the four main phases of cell division include prophase, prometaphase, metaphase, anaphase, and telophase.
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Question:
1. Give two main reasons why cell division is important.
2. What is the difference between mitosis and meiosis.
3. List the four main phases of cell division during mitosis.
What is the purpose of natural selection?
Answers
Answer:
The purpose of natural selection is not a conscious or intentional one, as it is not driven by a specific goal or purpose. Instead, natural selection is a fundamental process in biology that acts on heritable traits within populations over generations. It is a key mechanism of evolution.
Explanation:
The primary outcome of natural selection is the adaptation of organisms to their environment. Individuals with traits that are advantageous in a particular environment are more likely to survive, reproduce, and pass on those beneficial traits to their offspring. Conversely, individuals with traits that are disadvantageous are less likely to survive and reproduce, leading to a reduction in the frequency of those traits in the population over time.
Natural selection, therefore, acts as a filter that shapes the characteristics of populations, favoring traits that enhance an organism's survival and reproductive success in a given environment. Over many generations, this process can lead to the development of new species or the modification of existing ones, as populations accumulate adaptations that allow them to thrive in different ecological niches.
It's important to note that natural selection does not have an end goal in mind, nor does it necessarily lead to the "best" or most advanced organisms. Instead, it is a consequence of the interactions between organisms and their environment, constantly shaping and refining the traits of living beings based on their ability to survive and reproduce.
One environmental benefit of buliding and maintaing parks within cities is creating a blank?
Answers
Answer:
Parks and protected public lands are proven to improve water quality, protect groundwater, prevent flooding, improve the quality of the air we breathe, provide vegetative buffers to development, produce habitat for wildlife, and provide a place for children and families to connect with nature and recreate outdoors. I took this from the internet.
Deposited sediment may be in particles of which type of rock
Answers
Deposited sediment may be in particles of sedimentary rock.
Pre-existing rocks or fragments of extinct species serve as the building blocks for sedimentary rocks. They develop from deposits that build up on the surface of the Earth. Sedimentary rocks frequently exhibit recognizable bedding or layering. Mesas and arches built of stratified sedimentary rock can be seen in many of the desert southwest's attractive landscapes.
You can divide sedimentary rocks into two groups. The first type is called detrital rock and is created when sediment, rock fragments, or other elements are eroded and accumulated; these materials are collectively known as detritus or waste. The other type of rock is chemical rock, which is created when minerals dissolve and then precipitate.
It's possible for detritus to be organic or inorganic. When plant and animal components decompose below, the biological material is left behind that is crushed and transformed into organic detrital rocks. The sedimentary rock known as coal was created by compacted plants over millions of years. On the other hand, inorganic detrital rocks are not generated by living creatures but rather by the fragmentation of other rocks. Clastic sedimentary rocks are another name for these rocks. One of the most well-known clastic rocks is sandstone.
Limestone and shale are some of the other examples of common sedimentary rocks. These rocks frequently begin as sediments that are transported by rivers, and then are dumped in lakes and oceans. The sediments become dry and cement together to form rock when they are buried. Volcanic ash can be found in tuffaceous sandstones.
Chemical sedimentary rocks can be found in a variety of environments, including caverns, deserts, and the ocean. For instance, calcium carbonate precipitation and the remains of shelled marine organisms are two of the key ingredients in the formation of limestone at the ocean's bottom. If limestone is discovered on land, it is likely that the region was once submerged.
Although cave formations are likewise made of sedimentary rocks, their formation is substantially different. When water travels through bedrock and picks up calcium and carbonate ions, stalactites and stalagmites are formed. When the chemical-rich water enters a cave, it evaporates and deposits calcium carbonate on the cave's ceiling or floor, where it forms stalactites and stalagmites.
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need answers to 9 and 10
please help!!
Answers
Three disadvantages of cloning.
Cloned animals might not live as long as animals that are not clones.Cloning is a complex and expensive process.Cloning can result in a reduction in genetic diversity, which can make a population more susceptible to diseases and environmental changes.What is the process of cloning?The process of cloning is described as follows:
A nucleus and an egg cell come from a body cell of animal A with its nucleus removed comes from animal B.
An enucleated egg cell from animal B is taken and the nucleus is removed.
The nucleus with DNA from animal A is placed in the enucleated egg cell from animal B.
The cell from animal A with its DNA develops into an embryo.
The embryo develops into a baby animal that is a clone of animal A.
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Which type of limiting factor affects a large population more than it affects a small population
density dependent
density independent
population dependent
population inden ndent
Answers
Answer:
density dependent
Explanation:
think of it like this, if there are too many people around there is a far higher chance of getting sick people need elbow room.
Which of the following choices has had the most destructive impact on deciduous forests?
forest fires
termites and woodpeckers
humans clearing forests
chemical pollution
Answers
Answer:
humans clearing forests
Explanation:
3. What is the probability of a type BO mother and a type AO father having a type O child?
Answers
Answer:
B: 75% ////// O: 25%
Explanation:
So each child has a 75% of being B and a 25% chance of being O. Note that genetically, not all of the B blood type kids are the same. The BB child will only pass down the B version of the gene. The BO child can pass on their O gene version.
when liquid water freezes into ice it becomes solid, which phrase correctly describes ice? a. crystalline and having high surface tension b. amorphous and having low viscosity c. rigid and having low viscosity. d. crystalline and rigid
Answers
Answer: Option D.
Crystalline and rigid.
Explanation:
When liquid freezes to ice, it becomes solid and this is crystalline and rigid because a solids for crystals which means solid atoms, molecules or ions are orderly arranged in structures which form of crystal lattice in all sides. The structure of solid becomes rigid , it does not take the container shape like liquid and it does not expand also like liquid. it volumes reduces.
Answer:
crystalline and rigid
Explanation:
a. crystalline and having high surface tension b. amorphous and having low viscosity c. rigid and having low viscosity. d. crystalline and rigid
what is the difference between aerobic and anaerobic exercise brainly
Answers
Aerobic, which means "with air," describes how the body uses oxygen to produce energy. Usually, this refers to any workout that lasts more than two minutes. Continuous aerobic activity is referred to as "steady state" exercise. Anaerobic refers to the body's ability to produce energy without oxygen and implies "without air."
Exercise is a type of physical activity that improves or maintains overall health and wellness as well as physical fitness.
It is done for a variety of objectives, such to promote strength and growth, build muscles and the cardiovascular system, refine athletic abilities, lose or maintain weight, enhance health, or just for fun. Many people prefer to work out outside since it allows them to interact, gather in groups, and improve their physical and mental health.
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HELP PLS ASAP I MIGHT FAIL
Answers
Answer:
a and b
Explanation:
because I have took the test before
Which group is allowed to unionize but NOT strike? *
farmers
federal employees
factory workers
professional athletes
Answers
Answer: The answer is federal employees
Explanation:
The theory of endosymbiosis proposes that eukaryotes descended from a primitive combination of both archaea and bacteria. What evidence supports this theory?
Answers
The theory of endosymbiosis proposes that eukaryotes descended from a combination of both archaea and bacteria. Evidence that supports this theory includes the similarities between mitochondria and chloroplasts to free-living bacteria, the presence of double membranes around mitochondria and chloroplasts, and the fact that mitochondria and chloroplasts have their own DNA.
Explanation:
The theory of endosymbiosis proposes that eukaryotes descended from a combination of both archaea and bacteria. Evidence that supports this theory includes the similarities between mitochondria and chloroplasts to free-living bacteria, the presence of double membranes around mitochondria and chloroplasts, and the fact that mitochondria and chloroplasts have their own DNA.
Mitochondria and chloroplasts contain some of the same enzymes and transport systems as bacteria, and are similar in size and shape to bacteria. In addition, they both reproduce by binary fission, similar to bacteria. The presence of double membranes around mitochondria and chloroplasts also supports the theory of endosymbiosis, as this suggests that the organelles were engulfed by the host cell and retained their own membranes.
Finally, mitochondria and chloroplasts have their own DNA, which is circular like bacterial DNA. The DNA of mitochondria and chloroplasts also lacks histones, which are present in eukaryotic DNA, and is more similar to bacterial DNA in terms of gene expression and replication.
Together, these lines of evidence support the theory of endosymbiosis and suggest that mitochondria and chloroplasts were once free-living bacteria that were engulfed by a host cell and evolved into the organelles found in eukaryotic cells today.