Answer: Since cuts from restriction enzymes occur in both dna backbones at different locations, the resulting dna fragments have unpaired regions called overhangs
The cuts caused by restriction enzymes occur in different places in both DNA backbones; the resulting DNA fragments have unpaired regions known as overhangs.
What is recombinant DNA technology?In this technology, the modification of DNA is done by combining the original DNA with the desired gene. In gene editing, recombinant DNA technology is used. The most suitable organisms for this purpose are bacteria, yeasts, etc. They grow rapidly in a short period of time. As a result, they can provide desired products in a short period of time.
The desired gene is extracted and introduced into the bacteria using recombinant DNA technology. The DNA of bacteria is cut by restriction endonucleases. As a result of cutting, overhangs are produced.
The desired gene is taken and introduced to the bacteria's DNA. The bacteria transcribe and translate the target gene. An example is humulin. This process produces human insulin.
Hence, DNA fragments have unpaired regions called "overhangs."
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in a certain plant, tall stems (T) is dominant over short stems (t). A farmer crosses two heterozygous long-stemmed flowers. What are the expected genotypic and phenotypic ratios
Answer:
Tt = 50%
tt = 50%
tall = 50%
short = 50%
I hope this helps you
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A newly synthesized protein destined for secretion from a eukaryotic cell will generally follow which of the pathways listed below, starting with where it was synthesized?
There is only one correct answer for this question.
A) ribosome →rough ER → smooth ER →Golgi → transport vesicle → nucleus
B) Golgi → rough ER → lysosome → transport vesicle → plasma membrane
C) ribosome →rough ER → transport vesicle → Golgi → transport vesicle → plasma membrane
D) rough ER → lysosome →ribosome→ transport vesicle → plasma membrane
The hypothalamus communicates directly with which gland?.
The hypothalamus communicates directly with pituitary gland.
Hypothalamus?Hypothalamus is a small part lied f the brain that is between the inferior and anterior of thalamus. This gland is linked up with the pituitary gland by the stalk-like infundibulum. The pituitary gland comprises of an anterior and posterior lobe and each love produce different hormones in response to signals from the hypothalamus.
posterior lobe contains the ends of nerve cells that is from hypothalamus. The hypothalamus transmitt the hormones directly to the posterior lobe via these nerves, and then the pituitary gland releases them.
Therefore, The hypothalamus communicates directly with pituitary gland.
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Please helppp with this question
Heyy.
So i did the alternative activity for this assignment.
In task one I only did part F:
answer:
Weathering damage on Cleopatra's Needle, an Egyptian obelisk in Central Park, New York City, is compared to known weathering rates of granites in various regions. The detrimental influence of the city's environment in 83 years of exposure has been attributed by textbook authors to damage to this coarse-grained foliated granite. As evidenced by the original depth of inscription in New York, about 11/2 inches of maximum surface reduction had occurred. Granite reduction rates in humid regions were calculated to be as low as 0.0076 mm per year, and even lower in deserts. The majority of the damage to the obelisk was caused by rising moisture laden with sulfate salts in Egypt, according to the findings. The hydration pressure of these salts, combined with frost wedging, is responsible for the major damage to the monument, which happened during its first few years in New York.
In task 2 I only did part D
answer:
Two independent sets of observations on sand activities in relation to the flowing river are recorded as the water passes through the meandering river. Stream abrasion can affect the morphology of a stream or river dramatically over time. Because the water can start erosion with anything near it, erosion can impact human communities near rivers.
MAKE SURE YOU SAY THAT YOU DID THE ALTERNATIVE ACTIVITY!!!!
Match the term to the definition. Question 1 options: 19 The rising of ocean water bringing nutrients up from the deep. 1 The cyclical process of the changing state and movement of water around the Earth through evaporation, condensation, and precipitation. 4 As the amount of salt in water increases, the density of the water _________. Water circulation created by differences in density. The type of energy possessed by moving water. The distance from the crest of one wave to the crest of another. The amount of dissolved salt in a liquid. Water circulation created by prevailing wind systems. The Gulf Stream is an example. This is what moves forward and through a wave. The length of open sea over which wind can blow steadily to create waves. 1. The water cycle 2. vapor transport 3. salinity 4. increases 5. decreases 6. surface currents 7. Coriolis Effect 8. deepwater currents 9. trough 10. wave period 11. wavelength 12. water molecules 13. energy 14. crest 15. fetch 16. electrical 17. kinetic 18. downwelling 19. upwelling
The movement of molecules of water is due to the energy possessed by the water molecules.
What is upwelling?Upwelling refers to the rising of ocean water bringing nutrients up from the deep.
Other definitions are as follows:
Water cycle- the cyclical process of the changing state and movement of water around the Earth through evaporation, condensation, and precipitation.As the amount of salt in water increases, the density of the water increases.Deepwater currents -Water circulation created by differences in densityKinetic energy is the type of energy possessed by moving water.Wavelength is the distance from the crest of one wave to the crest of another.Salinity is the amount of dissolved salt in a liquid. Water circulation created by prevailing wind systems.The Gulf Stream is an example of Coriolis effect. Energy what moves forward and through a wave.The length of open sea over which wind can blow steadily to create waves fetchTherefore, the movement of molecules of water is due to the energy possessed by the water molecules.
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How does your digestive and musculoskeletal system work together
Explanation:
The muscular system allows for movement within the body, for example, during digestion or urination. Smooth muscles in the gastrointestinal or GI tract control digestion.
What is oxygen and why it is important??((´^ω^))
Explanation:
Oxygen helps organisms grow, reproduce, and turn food into energy. Humans get the oxygen they need by breathing through their nose and mouth into their lungs. Oxygen gives our cells the ability to break down food in order to get the energy we need to survive.
A forest was converted into a national park. this process required constructing roads and highways to make it accessible for people. construction of roads inside a forest has resulted in of natural habitat. a large population of organisms was split into several smaller populations, which decreased the chance that an individual would .
Construction of roads inside a forest has resulted in fragmentation of natural habitat.
What is Fragmentation?This is the process of breaking down larger particles into smaller bits known as fragments.
When it happens to a large population of organisms there is a decreased the chance that an individual would find an unrelated mate.
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Answer:
a
Explanation:
Part A
You will create a molecular clock model for an arthropod gene. Follow these guidelines to make your model:
Your timeline will span from 90 million years ago to the present. The common ancestor in your model is an arthropod that lived 90 million years ago. The gene that you’ll track codes for a protein in the species’ venom.
The DNA sequence you’ll track contains 10 nitrogen bases. You can choose the order of the bases and where the mutations occur.
This gene mutates at a rate of approximately 0.76 base pairs every 17.1 million years. To build your model, calculate the estimated time period it takes for 1 base pair to mutate.
The first time period will only show the common ancestor. At the beginning of the second time period, three lineages will diverge from the common ancestor, each with a different mutation in their gene sequences.
The first and third descendant species will survive for the rest of the timeline. The second descendant species was extinct 50 million years ago.
Calculate how long it will take for one full base pair mutation to occur. Explain your reasoning by constructing a mathematical equation.
Based on the mutation rate of the molecular clock, it will take 22.5 million years for one full base pair mutation to occur.
What is a molecular clock?A molecular clock is a biomolecule which is chosen to serve as a clock due to its periodical changes in a regular pattern.
Mutation in genes can serve as molecular clock.
The mutation in the gene of coding for the venom mutates at a rate of 0.76 base pairs every 17.1 million years.
It will take 17.1/0.76 = 22.5 million years for 1 base pair to mutate.
Therefore, it will take 22.5 million years for one full base pair mutation to occur.
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Identify the type of energy that is directly causing the water to boil.
sorry it’s not multiple choice and I can’t take a picture of it bc I’m not on the app
Answer:
can you reply with the answer choices?
By the end of the second trimester of pregnancy,
A.
all a human's body parts have been formed.
B.
a human's brain has not yet formed.
C.
a human's brain has not yet begun to function.
D.
all a human's body parts are fully developed.
Answer:
D
Explanation:
The baby is done growing and body parts are fully developed.
Answer:
Option C
cacause the fetus will be 13-16 inches longer and weight will be3 -5 pounds
Explanation:
Name 3 factors you can use to determine if organisms are apart of separate species.
Answer:
According to the biological species concept, organisms belong to the same species if they can interbreed to produce viable, fertile offspring. Species are separated from one another by prezygotic and postzygotic barriers, which prevent mating or the production of viable, fertile offspring.
In humans, separation of the cells at the two-cell state following fertilization may lead to the production of twins, which in this case would be ________.
In humans, separation of the cells at the two-cell state following fertilization may lead to the production of twins, which in this case would be identical.
Which of the following will occur immediately after ovulation?The corpus luteum prepares to become a corpus albicans. The corpus luteum secretes estrogen only. The secretion of anterior pituitary gonadotropins is enhanced.
Thus, in this case would be identical.
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Can anyone help me please and please thank you
Answer: call me daddy
Explanation:
ill give you a honey bun
Evaluate whether a sea beeze could occur night
Answer:
During the night the water releases it's heat much slower causing the air over the water to be warmer than the air over the land. This ends up working the same as the sea breeze only this time the lower pressure is over the sea and the air then moves from the land.
Answer: During the night the water releases it's heat much slower causing the air over the water to be warmer than the air over the land.
How many spermatids result from one spermatogonium?.
Four (4) spermatids result from one spermatogonium. Details about spermatogenesis can be found below.
What is spermatogenesis?Spermatogenesis is the process by which sperm cells are produced from the testes of a male animal.
Spermatogenesis involves series of mitotic and meiotic divisions that finally result into the haploid sperm cells.
Spermatids are haploid cells produced by meiosis of a spermatocyte that develops into a spermatozoon.
The spermatogonium divides mitotically into primary spermatocyte which then develops into secondary spermatocyte via meiosis. Each secondary spermatocyte forms 4 spermatids.
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Which class of drugs for human immune deficiency virus infection reduces how well HIV genetic material can be converted into human genetic material
The class of drugs for human immune deficiency virus infection which reduces how well HIV genetic material can be converted into human genetic material is called The Nucleoside Reverse Transcriptase inhibitors (NRTIs)
Meaning of HIV and NRTIsHIV also called human immunodeficiency virus is an infection that always attack the body immune system but majorly the white blood cells which is called the CD4 cells. The human immunodeficiency virus destroys these CD4 cells thereby causing a persons immune system to be weak and unable to fight other infections, leading to ill health.
The NRTIs also known as the Nucleoside Reverse Transcriptase inhibitors prevent viral replication, binding and interaction with the CD4+
in conclusion The class of drugs for human immune deficiency virus infection which reduces how well HIV genetic material can be converted into human genetic material is called The Nucleoside Reverse Transcriptase inhibitors (NRTIs)
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There is some evidence that a relatively low level of autonomic nervous system arousal may contribute to:.
There is some evidence that a relatively low level of autonomic nervous system arousal may contribute to antisocial personality disorder.
What is an antisocial personality disorder?An antisocial personality disorder is a mental (cognitive) disorder characterized by antisocial behavior.
An antisocial personality disorder can be triggered by both genetic factors and environmental factors.
It has been shown that a low level of autonomic nervous system arousal may influence this personality disorder.
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why the walls of the ventricles are much thicker than the walls of the atria.
Answer:
The ventricles of the heart have thicker muscular walls than the atria. This is because blood is pumped out of the heart at greater pressure from these chambers compared to the atria.
Explanation:
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A neuron that responds most strongly when an animal is in a particular location in the environment is a: a. Center-surround cell b. Location cell c. Hypercomplex cell d. place cell
A place cell is a neuron that responds most strongly when an animal is in a particular location in the environment.
What is a Place cell?These are types of neurons which fire when animals go to certain locations in the environment.
These type of cells are found in the hippocampus and is characterized by their peak activity.
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What effect do predators have on the ecosystem?
Answer:
Dispersing rich nutrients and seeds from foraging, they influence the structure of ecosystems.
Answer:
They keep prey populations at a managable level.
Explanation:
For example, a wolf pack will hunt deer and kill deer. This killing will make sure there is never too many deer. If there are too many deer, too many plants may be eaten; And then the entire ecosystem can fall apart.
What if the gas molecules collide at very low temperatures? will that change what happens? why?.
Answer:
At low temperatures, gas particles have less kinetic energy, and therefore move more slowly; at slower speeds, they are much more likely to interact (attracting or repelling one another) upon collision
If the gas molecules collide at very low temperatures then the collision will be slower as the intermolecular forces are stronger at the lower temperature and it is demanding situation to give high energy in order to break the bonds.
What is the fate of collision of gas molecules ?The fate of gas molecules is the formation of making gases compounds by making the elements bind together in order to form a new compound.
At the lower temperature, the average velocity of the molecules that are possessed by the molecules is decreased therefore the gas molecules will have lesser kinetic energy and they will move very slowly in order to form a new compound.
Gases do not exert much of force on each other but they do possess a collision with each other and the collision molecules are elastic so as they are able to do collision.
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Explain why Halley’s Comet is part of our solar system.
Answer:
because they were originally long period comets whose orbits were perturbed by the gravity of the giant planets and directed into the inner solarsystem
Halley's Comet is part of our solar system because it orbits around the Sun.
What is Halley's Comet?Halley's Comet is a periodic comet that follows a predictable orbit around the Sun and brings it close to the Earth once every 75-76 years. Halley's Comet originated from the Kuiper Belt, which is a region of the solar system containing icy objects.
When the comet approaches the Sun, the comet's ice and dust sublimate, which creates a bright coma that can be seen from Earth. The comet's nucleus is about 11 kilometers in diameter.
Halley's Comet is observed by humans for thousands of years. The regular return of comets allows scientists to study them in detail, thereby, helping us understand comets and the early solar system.
Therefore, Halley's Comet is part of our solar system because it orbits around the Sun like the other planets or objects in our solar system.
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Important! Are wolfbloods real?
Answer:
No
Explanation:
Answer:
Even though there is no complete evidence there is a 50/50 chance of them being real. But at the moment they are an endangered speices
Explanation:
When Wolfbloods transform, the first visible sign is that the irises of their eyes turns from their regular eye colour, to a swirling black colour and then turns bright yellow. The veins in their hands and neck then start to become darker and reveal themselves. Every cell in their body changes, right down to their DNA and then, they become a wolf.
Which statement is true about the structure of a double-stranded dna molecule?.
In the structure of a DNA, as the particular complementary base pairing of the DNA nucleotides, the diameter of a DNA molecule is the same over its length.
What is a DNA?DNA stands for deoxyribonucleic acid, is the hereditary unit of an organism which is responsible for the production of characters.
The missing options in the question are:
Purine nucleotides always form base pairs with other purines, and pyrimidine nucleotides always form base pairs with other pyrimidines.The nucleotides in a strand of DNA are held together by hydrogen bondsThe diameter of a DNA molecule is the same along its entire length due to the specific complementary base pairing of the DNA nucleotides.The nitrogenous bases in one strand are held to the nitrogenous bases of the other strand by phosphodiester bonds.In the structure of a DNA, as the particular complementary base pairing of the DNA nucleotides, the diameter of a DNA molecule is the same over its length.
Thus, this is the true statement regarding the structure of a double-stranded DNA molecule i.e., option C.
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Puberty in humans is the result of changes in the ___________, which result in an increased secretion of _________, which then stimulates an increased secretion of __________.
Answer:
hypothalamus; GnRH
Explanation:
Puberty is the result of chanes in the hypothalamus. Causing increased secretion of gonadotropin-releasing hormone (GnRH)
How does gene pool and allele frequency terms relate to another??
Answer:
Allele frequency is how often an allele occurs in a gene pool
Explanation:
Allele frequency refers to how common an allele is in a population. It is determined by counting how many times the allele appears in the population then dividing by the total number of copies of the gene. The gene pool of a population consists of all the copies of all the genes in that population.
A man with type A blood marries a woman with type B blood. Their child has type O blood. What is the genotype of the woman
Answer:
The genotypes of the two parents are AO and BO. Blood types A and B are dominant over blood type O,
Explanation:
An offspring inherits their genotype (genetic makeup) from their parents with each parent providing one allele for a given trait. An offspring need only inherit one dominant allele to have the phenotype (observable physical characteristic) of that trait and must inherit a recessive allele from each parent in order to have that phenotype. For example, brown hair is a dominant trait and only one parent must provide that allele for hair color in order for their offspring to have brown hair. In order for the recessive trait of blonde hair to be the phenotype of the offspring, each parent must provide the blonde hair allele.
Use your notes to create a flow chart detailing the process of protein synthesis. Make sure to include the following terms.
Answer:
Hi! Here is the flow chart of the process of the protein synthesis, hope this helps! (Mark me as brainliest if the chart is accurate!) Have a great day :)
which of these pairs of organisms are most closely related?
A) aix sponsa and anas acuta
B) anas discors and anas americana
C) martes americana and mycteria americana
D) anas cyanoptera and mycteria americana
Answer:
B anas discors and anas americana
Explanation:
They are the most related out of the options since they are from the same genus.