In Point insertion DNA sequence is changed by adding one or more nucleotides to the gene. In deletion DNA sequence changed by removing at least one nucleotide in a gene.
In general, a Point mutation refers to alteration in a single base pair of DNA by substitution, deletion, or insertion of a single nitrogenous base. most common example of point mutation is sickle cell anemia. that consists of mutation in a single base pair in the beta-globin chain of hemoglobin pigment in the blood cells.
While , deletion mutation generally takes place when part of a DNA molecule is not copied during DNA replication. Thus the uncopied part remains as small as a single nucleotide or as an entire chromosome.
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How can the current in a wire near a magnetic field be changed?
A.
The wire can be moved in and out of the magnetic field.
B.
The strength of the magnetic field can be varied.
C.
The distance between the magnet and the wire can be altered.
D.
all of the above
Answer:
all of the above (d) is right
the sympathetic trunks are located immediately lateral to the ______.
The sympathetic trunks are located immediately lateral to the vertebral bodies of the vertebral column.
Sympathetic trunks are two ganglionated nerve trunks that form the bundle of nerve fibers paired together and run from the base of the skull to the coccyx.
This sympathetic trunk lies just lateral to the vertebral bodies for the entire length of the vertebral column.
Sympathetic trunks are a fundamental part of the sympathetic nervous system while also being a part of the autonomic nervous system. They allow both superior and inferior nerve fibers to travel to the spinal cord to commence the regulatory actions in the body.
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Which one of the traits listed below is not used to define the order Primates?
a. a tendency towards erect posture
b. an inflexible, specialized limb structure
c. hands and feet with a high degree of prehensility
d. retention of five digits on the hands and feet
e. generalized dentition
A stiff limb structure that performs specific tasks The following characteristics are not used to classify the primate order.
What characteristics do primates possess?The primates are distinct from less developed animals in that they show distinctive characteristics. They include huge brains, superior eyesight, arboreal adaptation, opposable thumbs, and greater shoulder range of motion. The primates which are most commonly seen include gorillas, monkeys, and apes.
What four characteristics do primates possess?The ability to sit for extended periods of time inside an upright position without relying on the upper limbs for rebalancing, dependence on vision, and diminished sense of smell are all traits that are derived from primates. Other traits include the prehensile finger and big toe, proboscis legs and hands, nails rather than claws just on digits, and the ability to walk upright.
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source of food and role in the body of protein
Protein is important for growth and repair of body cells. Food sources of protein include meat, fish, dairy, lentils, beans, and tofu. Insufficient protein can lead to low growth and a weakened immune system. Excess protein may lead to weight gain and liver problems.
Answer:
here is your answer
Explanation:
Protein is important for growth and repair of body cells. Food sources of protein include meat, fish, dairy, lentils, beans, and tofu. Insufficient protein can lead to low growth and a weakened immune system. Excess protein may lead to weight gain and liver problems.
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Help me in this question pls (also these two picture are one question)
infer complete the statement by selecting the correct terms the coal deposits currently being used as an energy resource formed
To infer or complete the statement by selecting the correct terms the coal deposits currently being used as an energy resource formed fossil fuels.
How does energy resource gotten from coal?The formation of coal happened several millions of years through a process known as carbonation. In this process, dead vegetation is converted into carbon-rich coal under very high temperature and pressure.
Energy from coal is typically obtained by burning the coal to produce steam, which then drives a turbine to generate electricity. The steam is created by heating the water in the coal boiler to high temperatures, which causes it to turn into steam. The steam then drives a turbine, which is connected to a generator, and the generator converts the mechanical energy from the turbine into electrical energy. This process is called thermal power generation.
Therefore, the correct answer is as given above
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The complete question goes thus:
Infer or complete the statement by selecting the correct terms, the coal deposits currently being used as an energy resource formed...............
Which of the following general mechanisms appear to be involved in the formation of cancer cells?
A) Genomic instability, DNA repair failure, chromatin modifications.
B) Inversions, operon formation, methylation.
C) RNA failure, DNA phosphorylation, phosphorylation of adenyl cyclase.
D) Transdetermination, mutation, allosteric interactions.
E) Suppression, tabulation, projection.
Cancer is brought on by cells that divide out of control and invade surrounding tissues. Cancer is mostly brought on by DNA changes. The majority of DNA mutations that result in cancer occur in areas of DNA called genes.
What precisely does DNA mean?DNA, commonly referred to as deoxyribonucleic acid, is the genetic material carried by humans and nearly everything else organisms. A person's DNA is present in almost all of their cells.
What does DNA do and what is it?DNA is the molecule of information. It provides the knowledge required to produce proteins, another type of substantial molecule. Each of your cells contains 46 substantial objects set of chromosomes that are distributed throughout these instructions. These chromosomes are made up of numerous smaller segments of DNA, called genes.
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need this answer quick please thanks
Answer:
Meiosis
Explanation:
Meiosis results in 4 cells.
Which one of these processes is not a chemical weathering process?
Carbonation
Hydration
Oxidation
Frost Wedging
Answer:
frost wedging
Explanation:
Answer:
Frost Wedging
Explanation:
Bcoz Expect Frost Wedging all of remaining are chemical weathering process...
If you were to set up a PCR reaction (in vitro DNA synthesis) with a DNA template, primers,DNA polymerase, dATP, dGTP, dCTP, dTTP and a small amount of ddATP, what would be the result
After the insertion of any adenine base, DNA synthesis may be interrupted (at random). DNA molecules of many different lengths would be produced.
Deoxyribonucleic acid (DNA) is a polymer made up of two polynucleotide chains that coil around one another to create a double helix. The polymer contains genetic instructions for all known organisms and viruses' genesis, functioning, growth, and reproduction.
Nucleic acids include DNA and ribonucleic acid (RNA). Nucleic acids, together with proteins, lipids, and complex carbohydrates (polysaccharides), are one of the four primary categories of macromolecules required for all known forms of life. Because they are made up of simpler monomeric units called nucleotides, the two DNA strands are known as polynucleotides.
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9. If your goal is to produce white butterflies, is it faster to wait for natural
selection to take place or to use artificial selection? Why?
Answer:
Artifical selection would be much quicker because you can breed specific butterflies to get your desired result. Natural selection may produce undesirable results, this is because you cannot choose which butterflies to breed. So you may end up with other coloured butterflies instead.
This is English can I still get help!
Answer: I believe the order of answers should be 2, 3, 4.
Explanation:
Part A seems like it is describing a strange character. Part B is appearing to depict a mysterious event. Part C describes a positive interaction.
(If this is wrong, I am terribly sorry, but I do hope this helps!)
The correct аspect of аn Аmericаn myth:
1. Rip now felt а vаgue аpprehension steаling over him; he looked аnxiously in the sаme direction, аnd perceived а strаnge figure slowly toiling up the rocks, аnd bending under the weight of something he cаrried on his bаck. ⇒ Remarkable, strange, or exaggerated characters (2) and positive message about a nation and its people (4)
2. Her deck once red with heroes’ blood. Where knelt the vаnquished foe. When winds were hurrying o’er the flood. Аnd wаves were white below. ⇒ Set in the past, often remote areas and exiting times (1)
3. Thanks, thаnks to thee, my worthy friend, for the lesson thou hаst tаught! Thus аt the flаming forge of life, our fortunes must be wrought: thus on its sounding ⇒ Incredible, heroic, impressive, magical or mysterious events (3)
The story "Rip Vаn Winkle" is а greаt exаmple of Аmericаn Mythology becаuse of the remаrkаble chаrаcters, the incredible аnd unbelievаble events thаt occur, аnd the fаct thаt it gives hope аnd presents positive messаges аbout Аmericа through the long journey Rip tаkes in the story.
The poem titled 'Old Ironsides' penned by Oliver Wendell Holmes explores the theme of 'pride in bаttle аnd deаth.' The speаker feels proud of receiving аn honorаble deаth. The poem is centered аround а ship thаt served in numerous bаttles but still doomed to be discаrded.
The quote from "Longfellow’s Blacksmith" tells about the Blаcksmith understаnds thаt he cаn forge his own future, by аny method he deems fit. А life worth living will require thousаnds of hаmmer swings, but he is in full control of how thаt hаmmer is swung.
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NEED HELP ON THIS ASAP!!!
Fuel of last resort:
This happens if the body goes into "__________________" mode. First the ________________ muscles are consumed, leading to ___________________. Once those are depleted, the body starts consuming the ___________, at which point the person dies. Our body can consume about ______ of our muscle before we die
This happens if the body goes into "starvation mode." First the tissues of muscle are consumed, leading to muscle wasting. Once those are depleted, the body starts consuming the organs, at which point the person dies. Our body can consume about half of our muscles before we die.
When your body enters a state of starvation, it begins by consuming the tissues of muscle, leading to muscle wasting.
This can occur to the point where nearly half of your muscles are depleted before death. Once those are gone, the body will start to consume organs, and ultimately the person will die.
That is why it is important to make sure you are getting the necessary nutrients and energy to keep your body functioning properly.
In this mode, the body begins to consume its own tissues, starting with the muscles.
This can lead to muscle wasting, and once the muscles are depleted, the body begins to consume the organs. Unfortunately, our body can consume about half of our muscles before death occurs.
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Directions: Select each correct answer. More than one answer may be correct.
During which of these processes is oxygen consumed?
when forests are burned to clear land for farming
when aerobic bacteria break down dead algae in a pond
when plants perform photosynthesis
when plants or animals perform aerobic cellular respiration
What are some of the factors that can affect a change in the frequency of genetic alleles in a population?
Genetic drift, natural selection and gene flow are some of the factors that can affect a change in the frequency of genetic alleles in a population.
Alleles are basically two or more versions of the same gene present in the DNA. Allelic frequencies basically determine the number of times a particular allele of a gene is found in a specific population. The allelic frequency of a population changes over time and is dictated by a few factors like natural selection, gene flow and genetic drift.
Natural selection is the process by which the organisms which have desirable characteristics are able to survive over the ones who do not. Genetic drift is the process in which a change in allelic frequency is observed due to chance. Gene flow is when there is a movement of genes in and out of a particular population.
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Which of the following types of data would be required in order to consider the hypothesis that acid precipitation caused the loss of the salamander
The type of data that would be necessary to consider the hypothesis that acid precipitation caused the loss of the salamander were, Acids that enter the atmosphere primarily affect ecosystems located less than 100 kilometers from the source of the pollution. Corrects answer: letter C.
Acid precipitation is known to affect ecosystems that are located near the source of the pollution. This is because acid precipitation can be carried through the atmosphere and deposited in the surrounding areas, affecting the habitats and species that are found there.
By determining the distances between the source of the pollution and the ecosystem where the salamander was lost, it can be determined if acid precipitation was likely to be a factor in its loss. Data would also be needed on the types and concentrations of acids that are found in the air near the source of the pollution and the salamander's ecosystem, as well as the pH levels in both areas.
Which of the following types of data would be required in order to consider the hypothesis that acid precipitation caused the loss of the salamander?
A) sulfuric acid and nitric acid from the burning of fossil fuels are the major causes of acid precipitation.
B) larger organisms lost from freshwater ecosystems because of acidification may not return even decades after ph values have returned to normal.
C)Acids that enter the atmosphere primarily affect ecosystems located less than 100 kilometers from the source of the pollution.
D) Though lakes are very sensitive to acidification, their ph can return rapidly to normal values.
E) regulation of emission sorces has raised the ph of precipitation in many parts of the eastern united staes in the last two decades.
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A student constructs a Venn diagram to compare the organelles in plant and animal cells. One circle is labeled animal only, the other circle is labeled plant only, and the overlapping section is labeled both. Which organelle should be listed under “both” in the diagram
The organelle that will be listed in both is nucleus. The correct option is A.
What is a cell?The smallest unit that can exist on its own and makes up all living things as well as the body's tissues is the cell in biology.
The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell. The substances that enter and leave the cell are governed by the cell membrane, which encloses the cell.
Because they are both eukaryotic cells, plant and animal cells share many structural similarities.
The nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes are just a few membrane-bound organelles that are present in both of them.
Thus, the correct option is A.
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Your question seems incomplete, the complete question is:
A student constructs a Venn diagram to compare the organelles in plant and animal cells.
Venn Diagram of Plant and Animal Cells
A Venn Diagram is shown. One circle is labeled Animal only, the other circle is labeled plant only, and the overlapping section is labeled both.
Which organelle should be listed under “Animal Only” in the diagram?
A. nucleus
B. centriole
C. vacuole
D. cell wall
An injury to the spinal cord at the________ level may be fatal because control of the muscles of breathing arise from the spinal cord at this level.
Answer:
Im fairly sure this is the cervical level
An injury to the spinal cord at the [tex]\sf\purple{cervical}[/tex] level may be fatal because control of the muscles of breathing arise from the spinal cord at this level.
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Please help me with this!!
The answers to the table are genotype, phenotype, trait, heredity, chromosome, allele, in that sequence.
How does a chromosome explain work?
a component that can be found in a cell's nucleus. Proteins and DNA are arranged into genes on a chromosome. There are typically 23 pairs of chromosomes in each cell.
What is a chromosome's primary purpose?
DNA may be precisely duplicated during these cell divisions thanks to chromosomes. So, once more. Our cells' nuclei include chromosomes, which enable precise DNA duplication during cell division. This guarantees that our internal processes go smoothly and effectively.
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Describe how removing an organism from a food web can impact the entire ecosystem.
The average speed of a dung beetle is 0.50 m/s. A piece of dung is located 10 m from thebeetle. How long will it take for the beetle to reach its hearty meal?
Answer:
20
Explanation:
time-= distance / speed
10m/ 0.50m/s= 20
What are snails and clams classified as?
The snails and clams are classifies as molluscs as they belong to the phylum Mollusca.
Snails are organisms of the phylum Mollusca. They are small creatures identifiable by the presence of an outer spirally coiled shell. They can be found both on land and in water. They can locomote by the presence of a single foot formed only of the muscles.
Mollusca are the second largest group of invertebrates in the animal kingdom. Most of its organisms are aquatic. The presence of a calcareous crust is an important feature of the trunk. Examples of some organisms are oysters, clams, etc.
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2 points
3. Which of the following are examples of sensory structures found in
sharks? *
Spiracles and Nostrils
Lateral line and Ampullae of Lorenzini
Claspers and Spiracles
Lateral line and Claspers
3. The action of the decomposers leads to loss of food items. Explain, how nature
benefits from the same action.
Nature benefits from the same action are Biodegradation.
What is a Biodegradable substance?Biodegradable is a substance which is capable of being decomposed by bacteria or other living organisms.
Example: plants, dead animals
A pollutant is a substance that when introduced into the environment has adverse effects on the environment or people.
Thus, this could be the answer.
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Ji wants to write an example of a frameshift mutation using the following sentence: THE CAT SAW THE RAT. Which sentence best shows a frameshift mutation?
THC ATS AWT HER AT.
CAT THE SAW RAT THE.
EHT TAC WAS EHT TAR.
THE THE CAT SAW THE RAT
The frameshift mutation is THC ATS AWT HER AT. So, the correct option is (A).
What is Frameshift mutation?A frameshift mutation is defined as a mutation that can occur in a DNA sequence which is considered a frameshift, because it changes the frame of the sequence, changing the way it will be processed.
There are three causes which can cause frameshift mutations:
InsertionDeletionDuplicationFor the example above, the letter "E" was removed from our original sentence which is an example of a deletion which can be seen as a frameshift mutation because by removing a letter which makes the sentence and completely alters our ability to process. ,
Thus, the frameshift mutation is THC ATS AWT HER AT. So, the correct option is (A).
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How long do you think it took to develop the mRNA vaccines? and why? PLEASE HELPPPPP
When examining the genetic code, it is apparent that ________.
O there are 44 stop codons because there are only 20 amino acids
O AUG is a terminating codon
O there can be more than one codon for a particular amino acid
O the code is ambiguous in that the same codon can code for two or more amino acids
O there can be more than one amino acid for a particular codon
When examining the genetic code, it is apparent that: There can be more than one codon for a particular amino acid.
The genetic code is a set of rules used by living cells to convert information held in genetic material (nucleotide triplet sequences, or codons) into proteins.
The ribosome joins proteinogenic amino acids in the order prescribed by messenger RNA (mRNA), transporting amino acids and reading the mRNA three nucleotides at a time. The genetic code is relatively similar among all creatures and may be stated in a simple table with 64 items.
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What are the 5 factors of natural selection?
Answer:
Variation, Inheritance, Selection, Time and Adaptation.
Explanation:
does the type of potting the soil used in planting affect how fast the plant grows
Answer: Yes, the type of soil does effect how the plant grows.
Explanation:
external features used to classify plants
External features that used to classify plants :-
1.Leaf shape and arrangement: Leaves can be classified based on their shape, such as being oblong, elliptical, or lobed, as well as how they are arranged on the stem, such as being alternate or opposite.
2.Flower structure and color: The shape and color of flowers are used to classify plants. For example, some plants have large, showy flowers with bright colors, while others have small, inconspicuous flowers.
3.Stem characteristics: The shape and texture of a plant's stem can also be used to classify it. Some plants have woody stems, while others have herbaceous (non-woody) stems.
4.Fruit and seed characteristics: The size, shape, and color of a plant's fruit and seeds can be used to classify it. Some plants have large, fleshy fruits, while others have small, dry seeds.
5.Bark characteristics: Trees can be classified based on their bark. Some have rough, scaly bark while others have smooth, shiny bark.
6.Root system: Some plants have deep roots, while others have shallow roots. This is a useful characteristic in identifying certain types of plants.
7.Habitat: Some plants are aquatic while others are terrestrial and this is a valuable trait in identifying them.
8.Size and form: Some plants are shrubs, others are trees, and others are herbaceous, this feature also helps in identifying them.
Complete question:-
What are the external features that used to classify plants?
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