Function of the ACC sequence at the 3' end is it attaches to an amino acid.
'What is ACC sequence at 3' end?'
All mature tRNA molecules have a conserved ACC sequence at their 3' end, which serves as the location where amino acids are attached. The ubiquitous ACC enzyme, a unique RNA polymerase that does not need a nucleic acid template for nucleotide addition, acquires and maintains its sequence through stepwise nucleotide addition. The mechanism of template-independent nucleotide selection differs across the two physically diverse groups of ACC enzymes that have been identified through crystal structural study.
Importantly, the kinetic experiment shows that the E. coli ACC enzyme has an innate ability to distinguish against tRNA backbone breakage at each step of ACC production.
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Explain what would happen if a kidney from a person with blood group A is transferred to the body of a person with blood group O
Answer:
they would probably die
Explanation:
blood losss because of bad doctor error
Which of the following statements is/are true relative to laboratory glassware. (Mark all correct responses)
Some laboratory glassware, such as graduated cylinders and volumetric flasks, are relatively precise and are suitable for accurately measuring volumes in most scientific experiments
Beakers and Erlenmeyer flasks are very handy in the laboratory because they allow for very precise measurement of fluid volumes
One should always use a device which has a total volume close to the volume being measured, for instance, a 10-ml pipette would be suitable for measuring a volume of 8.3 ml.
A fluid volume in a pipette should be read from the bottom of the meniscus, not the top of the meniscus.
The following statements which are true relative to laboratory glassware include the following below:
Some laboratory glassware, such as graduated cylinders and volumetric flasks, are relatively precise and are suitable for accurately measuring volumes in most scientific experiments.One should always use a device which has a total volume close to the volume being measured, for instance, a 10-ml pipette would be suitable for measuring a volume of 8.3 ml.A fluid volume in a pipette should be read from the bottom of the meniscus, not the top of the meniscus.What is a Erlenmeyer flask?This is also known as a conical flask or titration flask and it is a type of laboratory flask which is chiefly used for transport, storage, and mixing. It has a tapered shape which makes it unsuitable for a measuring instrument.
The fluid volume in a pipette should be read from the bottom of the meniscus, not the top of the meniscus so as to avoid error due to parallax which makes the measurement inaccurate.
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Which way will runoff water flow from your property? Where will the runoff water
collect and flow?
Generally, the way in which runoff water will flow from your property is to the area with lower elevation and collect at the lowest point and the runoff water will collect and flow in rivers etc.
What is Runoff water?This can be described as the part of the water cycle that flows over land as surface water instead of being absorbed into groundwater as a result of it no longer sufficiently rapidly infiltrating the soil.
Runoff water will flow from your property is to the area with lower elevation and collect at the lowest point and the runoff water will collect and flow in river which is why it is an important process of the water cycle in the ecosystem.
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Fossils and genes are used to determine (1 point)
O how species interact with each other.
O differences between organisms.
O how species will change over time.
O how many mutations occurred in a species over time.
A study was created to test the effects of different types of noise (volume is the same on all noise) on people's sleep
quality. The hypothesis of the experiment was that if people listened to nature sounds as they fall asleep, they will have a
higher quality of sleep. For the experiment, 3 groups of people were created. One group was placed in a quiet room where
they went to sleep with no noise, another group was in a room with nature sounds and the third group was in a room with
jet engine noise. The sleep quality of each group was measured by counting the number of sleep cycles the people moved
through during the night.
Dependent Variable:
Independent Variable:
Constants:
what happens to carbohydates after ingestion and assimilation
During digestion, starches & sugars are broken down into single units of glucose, fructose, or galactose, which are then absorbed into the blood stream & transported to be used as energy throughout the body.
What are the seven digestion steps?
Ingestion, propulsion, manual digestion, digestion, absorption, & faeces are the digestive processes.
What is digestion and what does it do?
Food is broken down by the digestive system into nutrients like proteins, lipids, and carbs. The body can utilise them for energy, growth, and repair after they are absorbed into the bloodstream.
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Which of the following is not a part of the mitotic spindle apparatus in plants? a. centrosome b. centriole c. tubulin protein d. kinetochore microtubules e. astral microtubules
The plant mitotic spindle system does not include the centriole.
What are the three main components of a mitotic spindle?A unique component required for chromosomal segregation (mitosis) during cell division is the mitotic spindle. There are three components to it: chromosomes, two asters, and a spindle region. Microtubules, which are composed of the and -tubulin subunits, give the mitotic spindle its general shape.
The spindle apparatus includes which of the following?Condensed chromosomes, kinesin and dynein molecular motors, related proteins, spindle microtubules, and any centrosomes or asters that may be present at the spindle poles depending on the cell type are all included in the cellular spindle machinery.
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Review Recent reconstructions of evolutionary history are often dependent on assigning divergence in terms of changes in amino acid or nucleotide sequences. For example, a comparison of cytochrome c shows 10 amino acid differences between humans and dogs, 24 differences between humans and moths and 38 differences between humans and yeast. Such data provide no information as to the absolute times of divergence for humans, dogs, moths, and yeast.
What problems might one encounter in such a calibration? Select the four correct answers. a. uncertainty of the fossil record b. different population structures occur among different taxa c. different mutation rates occur among different taxa d. the same mutation rates occur among different taxa e. the same population structures occur among different taxa f. amino acid and nucleotide substitutions can occur linearly in the time g. uncertainty of the times of major paleontological events
The fossil record's encounter Problems with such a calibration could include: b. different population structures among various taxa; c. different mutation rates across different taxa; d. the same mutation rates among different taxa.
Why is having a comprehensive fossil record important?The existence of extinct species is attested by fossils, demonstrating that various animals have existed on Earth at various times throughout the planet's history. They can also assist researchers in retracing the evolutionary history of living species.
What constitutes the primary issue with the fossil record?Many early forms of life were soft-bodied, leaving little fossils behind, hence there are gaps in the fossil record. Geological activity might have erased any remnants that existed.
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What have you learned while reading chapter 2: chemistry and chapter 3: Cells and how both chapters are interrelated
All biological things are constructed from simple units called cells. Millions of billions of cells make up the human body. They give the body structure, absorb nutrients from the diet, transform those nutrients into energy, and perform certain tasks. Furthermore, cells may replicate themselves and hold the body's genetic material.
How many different types of human cells are there?A human is made up of approximately 200 primary cell types, numbering in the trillions. A person's cells are all genetically identical (see more on genes). But the specific genes that each type of cell "turns on" influences the proteins that the cell generates. Different cell types can carry out specific functions thanks to their distinct protein repertoires. An illustration would be the transportation of oxygen by red blood cells. Invading germs are killed by white blood cells. Food-digesting chemicals are released by intestinal cells. To produce thoughts and action, nerve cells transmit chemical and electrical signals. In order to pump blood, cardiac cells also contract in unison.To Learn more About cells Refer To:
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what is the chemical formula of water
Answer:h2o?
Explanation:
Answer:
H2O is the chemical formula of Water
LIMITED TIME, HELP PLEASE URGENT!!!!!!!!!!!
Bowerbirds construct elaborate bowers (nests) and decorate them
with different colors to attract females. The Satin bowerbird builds
a nest between upright sticks, and decorates with bright blue
objects, while the MacGregor's bowerbird builds a tall tunnel of
sticks and decorates with bits of white objects. The two
populations have almost identical genes, but the birds cannot
breed with each other. This is most likely because
Select one:
O A forest separates the two populations of bird
O Their different mating rituals separate the two populations
O Both species of bird used to breed together until a hurricane
randomly killed the some of the birds
O The Satin bowerbirds are larger than the McGregor's bower birds
Answer:
2
Explanation:
the mating rituals make the most sence
The failure of a seedling to turn green if grown in the dark is an example of:
An illustration of how genotype and environment interact is when a seedling that is raised in the dark fails to turn green.
The phenotype of an organism is determined by what?Height, eye color, and blood type are examples of observable qualities, or phenotype, of a person. The genetic composition (genotype) of an individual and environmental influences both affect their phenotype.
Which Gregorian discovery led to the greatest scientific advance?Gregor Mendel identified the fundamental principles of inheritance through his research on pea plants. He came to the conclusion that genes are transmitted in pairs and are inherited from each parent as separate entities. Mendel monitored the parental genes' segregation and the presence of dominant or recessive features in the children.
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The tree limbs were tossing and turning in the wind. The strong force of the wind was also making houses shake and causing
dogs to howl in fear.
it was making it difficult for Quincy to fall asleep. He just stared up at the ceiling all night.
Which linking word or phrase best fits in the blank?
OA. Before this
OB. Finally
OC. Besides
OD. In fact
The word that can be able to fill in the blank is Besides.
What is a linking word?We know that the use of a linking word is that the linking word would help us to be able to connec two or more sentences or phrases. We have to note that the word that is chose to link must be such that it does not make the string of words utterly meansingless.
In this case, we can see that what we have are actually two independent sentences and that we can be able to link them so as to be able to get the actual meaning that is conveyed.
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gaps in the spacings of orbital semi-major axes of asteroids in the asteroid belt, produced by dynamical resonances with nearby planets, especially Jupiter has been spotted and is engaging at the earth
what is this ?
The Kirkwood gaps may be seen in the main belt. A Kirkwood gap is a gap or dip in the distribution of semi-major axes in jupiter
what is jupiter ?
Jupiter is the most northern town in Palm Beach County, Florida, USA. The town has a population of 61,047 as of April 1, 2020, according to the 2020 Census. Jupiter is the northernmost town in the Miami metropolitan region, located 84 miles north of Miami and 15 miles north of West Palm Beach, and is home to 6,012,331 people, according to a 2015 Census Bureau estimate. Jupiter was chosen by Stacker Newsletter as the 9th Best Southern Beach Town to live in for 2022, the 12th Best Beach Town in the United States by WalletHub in 2018, and the 9th Happiest Seaside Town in the United States by Coastal Living in 2012.
The Kirkwood gaps may be seen in the main belt. A Kirkwood gap is a gap or dip in the distribution of semi-major axes (or, equivalently, orbital periods) of main-belt asteroids' orbits. They correspond to the sites of Jupiter's orbital resonances.
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The diagram below depicts a karyotype of an individual human. Which of the following statements concerning the karyotype in the diagram is true?
If the diagram below depicts a karyotype of an individual human, then statement c. diagram illustrates the results of nondisjunction during gamete formation concerning the karyotype in the diagram is true.
What is a genetic karyotype?A genetic karyotype is a chromosome arrangement of the chromosomes in a cell, which is used to depict a picture of a person's chromosomes and thus order them into size and form.
Therefore, with this data, we can see that a genetic karyotype is used to show the chromosomes fo an individual which is very useful in the identification of diseases and genetic conditions.
Complete question:
The diagram below depicts a karyotype of an individual human. Which of the following statements concerning the karyotype in the diagram is true?
The diagram indicates an individual with an extra sex chromosome
The diagram illustrates a genetic condition found in females.
The diagram illustrates the results of nondisjunction during gamete formation.
The diagram indicates a mechanism for increasing genetic diversity in subsequent generations.
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Bullock's oriole and the Baltimore oriole are closely related, but are
they of the same species? To find out, you could see whether they _____.
Select one:
O look alike
O sing the same song
O successfully mate with each other
O live in the same areas
Answer:
C
I think option C is the answer
How is the way scientists monitor the movements of the Sun,
Moon, and stars today similar to the way ancient cultures
monitored them?
Both ancient and modern cultures also use astronomical observations to understand the cycles of the natural world and the rhythms of the seasons.
How is the modern scientists and ancient culture monitors sun, moon & star?
Scientists today use advanced technology such as telescopes and satellites to monitor the movements of celestial bodies, while ancient cultures relied on observations using the nak-ed eye and simple tools such as telescopes.
Both ancient and modern cultures use astronomical observations to track time, predict eclipses and navigate. Additionally, they also use this information to understand the cycles of the natural world and the rhythms of the seasons.
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Death rates in a population, such as the Moose on Isle Royale, can be affected By?
Answer + Explanation:
Moose numbers boomed during the wolf drop-off but have plunged since. Predation accounted for nearly 9 percent of deaths over the past year. Other factors were blood-sucking tick infestations and malnutrition caused by a shortage of balsam fir, the moose's primary winter food source.
In the RNA sequence CAAUGACCAG, what will be the first amino acid incorporated into the new protein?
a. Valine
b. Glycine
c. Methionine
d. Alanine
e. Glutamine
In the RNA sequence CAAUGACCAG,Methionine is the first amino acid incorporated into the new protein.
Meat, fish, and dairy items all contain methionine, an essential amino acid. The building components of proteins are amino acids. Because the body is unable to produce methionine, it must be obtained through diet. It is critical for a variety of bodily processes.
Although frequent nausea, vomiting, constipation, and halitosis were recorded, no significant adverse effects were. Although methionine is an essential amino acid for humans, there is evidence that it can interfere with the body's ability to use nitrogen from dispensable amino acids if given in excess.
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Dr. Smith performed an appendectomy on Douglas Doe. This is reported from the ______ Body System character of the ICD-10-PCS code
This is reported from the Digestive System body system character of the ICD-10-PCS code. The procedure code for an appendectomy is found in the Digestive System body system. Specifically, the procedure codes for appendectomy are located in the 0-EB series of the ICD-10-PCS.
The digestive system is a collection of organs that collaborate to break down food into basic nutrients and energy to nourish the body as a whole. The mouth, oesophagus, stomach, small and large intestines, the rectum, and the anus are all included. Additionally, the liver, pancreas, and gallbladder are involved since they are crucial to the digestion process. Food is first chewed and combined with saliva in the mouth before moving via the oesophagus and into the stomach, where it is further broken down. After that, it proceeds into the large intestine, where water and salts are absorbed and any leftover waste is removed thru the rectum and anus. The small intestine is where the bulk of nutritional absorption occurs.
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explain why meiosis is referred to as a random process while mitosis is a homeostatic process
Answer:
Meiosis is referred to as a random process because during this process, the genetic material of the parent cell is randomly divided and distributed among the daughter cells. This means that the daughter cells created are not exact replicas of the parent cells and have different genetic makeups. This is why meiosis is referred to as a random process.
Mitosis, on the other hand, is referred to as a homeostatic process because during this process, the genetic material of the parent cell is replicated exactly and distributed among the daughter cells. This means that the daughter cells created are exact replicas of the parent cells and have the same genetic makeup. This is why mitosis is referred to as a homeostatic process.
Explanation:
Apply ALL 8 characteristics of living things (organization, reproduction, adaption, growth and development, DNA, energy, homeostasis, evolution) to tardigrades to prove they should be categorized as living. Additionally, use the following vocabulary words at some point in your explanation: multicellular or unicellular, metabolism, adaptation, and stimulus.
Living things are the organisms which show some common characteristics such as growth and development, metabolism, reproduction, and adaptation to the surrounding environment.
What are the characteristics of living organisms?
Living things refer to all the things which are now or once were alive. A non-living thing is anything which was never alive and does not show the characteristics of the living organisms. In order for something to be classified as living, it must show some characteristics such as growth and development, use of energy, reproduction, composed of cells, respond to its surrounding environment, and show adaptation.
All the living organisms share several key characteristics or functions such as order, sensitivity or response to the environment, homeostasis, and energy processing. Living organisms may be unicellular or multicellular. Living things respond to the stimulus.
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Luna’s little son has three raised, circular rashes on his legs. She takes him to the pediatrician, who examines the boy. After asking questions, he gets out a special light and tells Luna’s son that he is going to see if the skin lights up. When it does, the pediatrician tells Luna that he will be treating her son for ringworm. Luna is worried and does not like to give her son medication unless she knows that it is absolutely necessary. Which statement would the pediatrician MOST likely use to persuade Luna to use the anti-fungal prescription on her son?
A.
Ringworm infections can be deadly if not treated.
B.
The only way to confirm ringworm is using this light.
C.
Results from skin scrapings of ringworm take weeks receive.
D.
If it is something else, like hantavirus or anthrax, this will kill it as well.
A population that is decreasing in size will have an age-structure histogram shaped like a(n): 1) inverted pyramid, with a narrow base representing a small number of young individuals.
2) diamond, with a wide center depicting a large number of individuals that have reached reproductive maturity. 3) pyramid, with a wide base at the bottom representing a large number of young individuals. 4) rectangle, with an (roughly) equal number of individuals in each age group.
A population that is decreasing in size will have an inverted pyramid with a narrow base representing a small number of young individuals.
Age-structure histograms are also referred to as population pyramids. Population growth occurs when the segment of the population within childbearing age produces a generation larger than itself. When the childbearing segment produces a generation that is smaller than them the population declines. When the previous generation produces a new generation with an equal amount, it shows a stable population.
The age-structure histogram helps in predicting the population growth or decline rate. It could be easily understood by visualizing it. These histograms can be used to analyze the current economic status and predict future economic development.
So for a declining population, the histogram will be an inverted pyramid.
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For a solution to form, one substance must in another .boil,dissolve,mix,melt
This diagram is a model that summarizes the process of photosynthesis.
Which feature of the model represents a transfer of energy?
Answer:
d is the correct answer
Explanation:
Which of the following is scientific concern related to creating genetically modified crops? O Herbicide resistance may spread to weedy species.
O Beneficial insects may be harmed by eating pest species.
O The monetary costs of growing genetically modified plants are significantly greater than those of traditional breeding techniques.
O Their adaptive advantages would allow them to overpower natural ecosystems
Herbicide resistance may spread to weedy species and beneficial insects may be harmed by eating pest species are scientific concerns related to creating genetically modified crops(GM crops).
Herbicide resistance is a concern because when crops are genetically modified to be resistant to a certain herbicide, it can lead to the development of herbicide-resistant weeds.
These weeds can then spread and become difficult to control, leading to increased use of herbicides and potentially harming the environment. Another concern is that beneficial insects, such as pollinators, may be harmed if they consume pest species that have been genetically modified to be toxic to those pests.
These unintended consequences can have negative impacts on the ecosystem and the food supply. The other two options are not scientific concern but an economic concern of the GM crops.
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On which of the following DNA strands would UV radiation have the most effect?
O AACCGGG
O TATATACG
O AUAUCGAU
O AATTAGTTC
O TATATACG O AATTAGTTC
UV radiation causes damages to DNA and it would have the most effect on TATATACG and AATTAGTTC because they have the highest number of thymine (T) bases, which are more susceptible to damage by UV radiation than adenine (A) and cytosine (C) bases.
UV radiation can cause a number of different types of damage to DNA, including Pyrimidine dimers, Oxidative damage, Depurination and Photoproducts.
Pyrimidine dimers: The most common type of damage caused by UV radiation is the formation of pyrimidine dimers, which occur when two adjacent thymine or cytosine bases bond together. This can cause distortion of the DNA double helix, making it difficult for the cell to replicate or transcribe the affected DNA.
Oxidative damage: UV radiation can also lead to the production of reactive oxygen species (ROS) in the cell, which can cause oxidative damage to DNA. This can include the formation of 8-oxo-guanine, a modified form of guanine that can lead to mutations.
Depurination: UV radiation can also cause the loss of purine bases (adenine and guanine) from the DNA strand, which can lead to strand breaks and other forms of damage.
Photoproducts: UV radiation can also lead to formation of cyclobutane pyrimidine dimers (CPDs) and 6-4 pyrimidine-pyrimidone photoproducts (6-4 PPs) which are the major types of DNA damage caused by UV radiation.
The damage caused by UV radiation can lead to mutations, cell death, or cancer if not repaired. Cells have repair mechanisms to fix the damage.
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4. Plan an experiment that neurobiologists could use to show that an action potential travels faster along a myelinated axon than along a nonmyelinated axon.
In the experiment, two neurons are obtained; one is a myelinated axon, and the other is a nonmyelinated axon.
An action potential is induced at the dendritic end of both neurons, and the time taken for the action potential to reach the end of the neuro is recorded.
What are myelinated and nonmyelinated axons?Myelinated axons are those that have a multilayer of lipids and proteins called a myelin sheath covering them. Unmyelinated axons are those that lack a myelin coating around them.
Axons are portions of a neuron that carries nerve impulses or action potentials away from the cell body.
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what is a gorilla? not from a zoo...