old or parental strands provide the ___ for making identical strand
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Related Questions
Exchange cast fossils with another group. Make inferences about the items used to make their cost fossils, and explain your reasoning.
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Answer:
(I’m gonna edit this just wait 2 hours and I’ll be done)
Explanation:
During the entire process of meiosis in humans (n=23) what is the highest and lowest number of total complete strands of DNA in an individual cell? (hint, each chromosome or sister chromatid is made up of a single complete strand of DNA).
Group of answer choices
Highest: 46 | Lowest: 23
Highest: 46 | Lowest: 46
Highest: 92 | Lowest: 46
Highest: 184 | Lowest: 23
Highest: 92 | Lowest: 23
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During the entire process of meiosis in humans (n=23), the highest and lowest number of total complete strands of DNA in an individual cell are: Highest: 92 | Lowest: 23. The correct option is e.
Meiosis is a process of nuclear division in eukaryotic cells that results in four haploid daughter cells. These haploid cells differ genetically from the parent cell that produced them because of the recombination and independent assortment of chromosomes that occur during meiosis.
During meiosis in humans (n=23), the highest and lowest number of total complete strands of DNA in an individual cell are as follows:1. Highest: 92In a human cell at the end of the S phase, there are 46 double-stranded chromosomes. Each double-stranded chromosome is composed of two sister chromatids, which contain a complete strand of DNA. During prophase I of meiosis, each chromosome in the parent cell aligns with a homologous chromosome to form a bivalent or tetrad. As a result, each chromosome in the daughter cell contains a complete strand of DNA from both the mother and the father.
As a result, each daughter cell produced during meiosis in humans contains 23 double-stranded chromosomes, with a total of 92 complete strands of DNA.2. Lowest: 23The primary function of meiosis in humans is to produce gametes (sperm and eggs) that are genetically unique. The production of haploid gametes necessitates a reduction in the number of chromosomes.
During the first meiotic division, the number of chromosomes in the parent cell is reduced by half, resulting in two haploid daughter cells. Each daughter cell contains 23 single-stranded chromosomes, with a total of 23 complete strands of DNA. The second meiotic division is similar to mitosis in that it separates the sister chromatids of each chromosome, resulting in four haploid daughter cells, each containing 23 single-stranded chromosomes.
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Mutations that occur in skin or lung cells have little effect on the evolution of a species because mutations in these cells
1
usually lead to the death of the organism
2
cannot be passed on to offspring
3
are usually beneficial to the organism
4
lead to more serious mutations in offspring
Answers
Answer:
2. Cannot be passed on to offspring.
Explanation:
Mutations that occur in skin or lung cells have little effect on the evolution of a species because mutations in these cells cannot be passed on to offspring.
asymptomatic carriers of ssss can harbor staphylococcus aureus in the nasopharynx, axilla, perineum, and even in which area?
Answers
The nasopharynx, axilla, and perineum are only a few of the body parts where Staphylococcus aureus can be found in asymptomatic carriers of Staphylococcal Scalded Skin Syndrome (SSSS).
What is asymptomatic carriers?A person who carries a specific disease-causing infection, such as a virus or bacteria, but exhibits no signs of the illness is said to be an asymptomatic carrier. As they seem well and do not feel ill, this indicates that they are able to transfer the disease to others without recognizing it.
The nasopharynx, axilla, and perineum are only a few of the body parts where Staphylococcus aureus can be found in asymptomatic carriers of Staphylococcal Scalded Skin Syndrome (SSSS). S. aureus can also be discovered in other places, including the neck, groin, and wound sites. It is crucial to remember that not all S. aureus carriers will get SSSS, and the risk of transmission can be decreased by following good hygiene habits including washing your hands often and avoiding contact with those who may be contaminated.
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Please help me with this. Will Mark Brainliest
Which of these belongs to a trophic level with the most energy?
Berries
Grasshopper
Mice
Owl
Answers
Answer:
berries
Explanation:
yw
Answer:
a berries
Explanation:
brainliest
What are Spindle Fibers?
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Spindle fibers are tiny protein structures that assist arrange cellular parts and divide genetic information during cell division. The centrosome, sometimes referred.
How do microproteins work?
the free encyclopedia Wikipedia A small protein known as a microprotein (ecu) is produced by a small open-reading frame (smORF). They belong to a group of proteins that have just one protein domain and are connected to proteins with several domains. At the post-translational stage, microproteins control bigger multidomain proteins.
What does a urine protein test involve?
For the diagnosis and screening of renal disorders and other problems affecting kidney function, tests to detect protein in urine are essential. These examinations are also employed to track the development of the disease and the impact of treatment.
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The third level of cell organization is the ____.
Tissue level
System level
Organism level
Organ level
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Which evidence is most likely used to indicate the beginning of solar system formation?
1.Materials combined to form a mass.
2.Materials were pulled together by gravity.
3.Water condensed and collected to form oceans.
4.Different species of microorganisms lived on Earth.
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The evidence most likely used to indicate the beginning of solar system formation is that materials combined to form a mass.
So correct answer is 1.Materials combined to form a mass.
The solar system is believed to have formed from a massive, rotating cloud of gas and dust called the solar nebula. Over time, the materials in the nebula began to combine and stick together due to electrostatic forces, eventually forming clumps of matter called planetesimals. As these planetesimals continued to collide and merge, they grew into larger bodies called protoplanets, which eventually formed the planets we know today. Therefore, the evidence that materials combined to form a mass is essential to understanding the process of solar system formation. The other options, such as materials being pulled together by gravity, the condensation of water to form oceans, or different species of microorganisms living on Earth, are unrelated to the formation of the solar system.
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Loss of voluntary control over urination is called
O dialysis
O incontinence
O neurogenic bladder
O urgency
Previous
Answers
What’s at the bottom of a black hole?
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Answer:
At the bottom of every black hole is a singularity where space and time stops and where there is infinite mass and gravity, where no one can ever reach.
Explanation:
Hope it helps!!
Human Activities
1. Overusing fertilizers and pesticides for
agriculture
2. Dumping trash into the ocean
3. Farming fish for commercial sales
4. Emitting gases into the atmosphere that
contribute to global warming
5. Constructing artificial reefs
6. Over-harvesting marine species
7. Introducing exotic marine species into new
ecosystems
Consequences
A. Bacterial or algal overgrowth
B.
C.
D. Accumulation and spread of toxic
chemicals in ocean habitats
Removal of oxygen from marine waters
Death of fish or other marine life
E.
Destruction of coastal land habitats
F.
Disruption of marine food webs
G. Endangerment or extinction of entire
marine populations or species
H.
Reduce the impact of overharvesting
1.
Spread of disease
J. Rising sea levels
K. Toxic chemical consumption by humans
L. Acid precipitation over eans
Answers
Answer: we are a sad species :(
Explanation:
The spread plate method is the best method to isolate bacteria directly from a broth culture. True False
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The statement "The spread plate method is the best method to isolate bacteria directly from a broth culture" is a false statement.
What is the Spread Plate Method?The spread plate method is an approach used in microbiology to isolate and enumerate bacteria from a mixed population. In this method, a diluted liquid bacterial sample is spread over the surface of a solid culture medium in a Petri dish using a glass rod or a sterile swab.
The inoculum spreads over the medium surface and grows into colonies, resulting in a single bacterial cell spreading out over the entire surface. This method aids in the development of isolated colonies. The colonies of the bacteria will grow on top of the agar surface. They can be distinguished from one another based on their morphology, color, or texture.
The spread plate method is a technique used in microbiology to cultivate bacteria from a mixed population. The spread plate method is not the best way to isolate bacteria directly from a broth culture. A broth culture can be directly examined for the existence of microorganisms in the sample using the broth dilution technique. Once the microorganisms have been isolated in the broth culture, they can be spread on a solid agar surface using the streaking technique to isolate them. The isolation process is used to distinguish between the different colonies of the bacteria that are growing on the agar surface.
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Water circulation created
by prevailing wind
systems. The Gulf Stream
is an example.
Answers
The Gulf Stream is a specific example of a surface ocean current.
What is the Gulf Stream?The Gulf Stream is a warm, rapid Atlantic Ocean current that starts at Florida's tip and travels down the eastern coasts of the US and Canada before crossing to Europe. It guarantees that Western Europe's climate is far warmer than it would otherwise be.
The North Atlantic Equatorial Current, which delivers tropical water from the east, and the Florida Current, which transports warm water from the Gulf of Mexico, come together to form the Gulf Stream.
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in the hershey chase experiments, the isotope 35s was used to label and the isotope 32p was used to label
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In the Hershey-Chase experiment, the isotope 35S was used to label protein, and the isotope 32P was used to label DNA.The Hershey-Chase experiment was a series of experiments carried out in 1952 by Alfred Hershey and Martha Chase.
These experiments were carried out to determine the nature of the genetic material. In this experiment, the researchers used bacteriophages (viruses that infect bacteria) to investigate whether DNA or protein is the genetic material.Hershey and Chase used radioactive isotopes to label either the protein coat of the virus or the DNA inside it. The bacteriophages were then allowed to infect bacteria, and the researchers observed what happened. They found that when the virus's DNA was labeled with the radioactive isotope 32P, the radioactivity entered the bacteria. On the other hand, when the protein coat was labeled with the radioactive isotope 35S, no radioactivity was detected in the bacteria. This led to the conclusion that DNA is the genetic material that controls the characteristics of an organism.
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167. what is the definition of muscular power? the amount of force that can be created by a muscle or group of muscles the ability of a muscle or group of muscles to continuously exert force against resistance over time an increase in muscular size as an adaptation to exercise the amount of force exerted by a muscle or group of muscles in a given amount of time
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Muscular strength is the ability to exert maximal force in one single contraction.
Physical energy is the measure of a human's exertion of pressure on physical gadgets. increasing bodily power is the purpose of electricity schooling.
Muscle power can be measured by using estimating someone's one repetition maximum 1RM a dimension of the greatest load that can be completely moved lifted, pushed, or pulled as soon as without failure or harm.
Muscular strength refers to terrific pressure manufacturing over a short period of time, along with rapid leg kicks and explosive jumping. Muscular persistence is when less pressure is sustained over a longer time frame consisting of gallops, skips, pliés, and swings. Muscular electricity is the capacity of a body to perform an interest quickly and repeatedly via making use of a given pressure.
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PLEASE HELP IF YOU KNOW THE ANSWER!!!
Answers
Answer:50 million
Explanation:you wanna devide the 6 and 300 each 2 pairs have 100.
6/300=50
100+100+100=300
^. ^. ^
2. 2. 2
Part D What strengths and weaknesses do you see in your improved model?
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Answer:
The new model correctly shows the process of oxygen and carbon dioxide exchange that takes place in the capillaries. However, it does not show that this oxygenated blood travels back to the heart for distribution to the body. It also does not show the structure of the alveoli.
Explanation:
PLATO answer
population density is found by dividing the number of organisms in an ecosystem by the total area of the ecosystem. if 50 square meters of an ecosystem are surveyed and 5 rabbits are sighted, what is the estimated population density of the rabbits?
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5 rabbits per 50 square meters which means 10 will be the population density in the ecosystem survey
A population is a collection of members of the same species who live and reproduce in one particular location. The population density, or the number of people per unit area, is determined by the total number of people residing in that particular area.Numerous creatures' location, development, and migration can all be described using population density.
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2 ways of reforesting the U.S
Answers
Answer: donate money to team tree, even-aged stands
Explanation:
Explain how seismic waves are created and how they help scientists understand Earth's structure.
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Seismic waves are created by sudden movements of materials inside the Earth. Volcanic eruptions, earthquakes, explosions and avalanches are examples of circumstances that create such movementd and could create seismic waves. Scientists benefit from them because the seismic waves can be recorded by seismographs. Data from seismic waves is often used in order to better understand the inner structure of our planet. The waves can even be use to map details of that structure. One example of it is how they calculate de depth of Earth's major layers by studying the tame that some waves takes to travel down into the Earth and get back to the surface.
how can fuel arrangement affect the behavior of a wildland fire?
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True or false A hypotheses has been tested many times by different independent researchers but a theory has not
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Answer:
true
Explanation:
yea a theory has not tested hypothesis
Answer:
Testing a hypothesis can lead to one of two things: the hypothesis is confirmed or the hypothesis is rejected, meaning it either has to be changed or a new hypothesis has to be created. This must happen if the experiments repeatedly and clearly show that their hypothesis is wrong. It doesn’t matter how elegant or supported a theory is—if it can be disproven once, it can’t be considered a law of nature. Experimentation is the supreme rule in the scientific method, and if an experiment shows that the hypothesis isn’t true, it trumps all previous experiments that supported it. These experiments sometimes directly test the theory, while other times they test the theory indirectly via logic and math. The scientific method requires that all theories have to be testable in some way—those that can’t are not considered scientific theories.
Explanation:
so in short True , can u mark me brainlyest
agents generating mutation-inducing dna damage are collectively referred to as ________.
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Agents generating mutation-inducing DNA damage are collectively referred to as mutagens. Mutagens are substances or agents that can cause changes (mutations) in the DNA sequence of an organism.
These changes can alter the genetic information and potentially lead to various consequences, including the development of diseases, genetic disorders, or changes in the phenotype of an organism. There are several types of mutagens, including chemical mutagens (such as certain chemicals and pollutants), physical mutagens (such as ionizing radiation and UV radiation), and biological mutagens (such as certain viruses). These mutagens can cause different types of DNA damage, including base pair changes, deletions, insertions, and chromosomal rearrangements. It's important to note that while mutagens can induce DNA damage and increase the risk of mutations, not all DNA damage results in mutations. Cells have mechanisms for repairing DNA damage, but if the damage is not repaired correctly, it can lead to permanent changes in the DNA sequence. In summary, agents generating mutation-inducing DNA damage are collectively referred to as mutagens.
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Some rocks are formed from _______ that erupts from volcanoes as lava.
(Fill in the blank and PLEASE DO NOT COPY AND PASTE FROM THE INTERNET)
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Answer:
magma
Explanation:
it comes from volcano
The fourth and final phase of mitosis or meiosis during which a nuclear membrane forms around chromosomes on opposite sides of the cell and the chromosomes become unwound dna in a newly formed nucleus.
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Answer:
The fourth and final phase of mitosis or meiosis is called telophase. During telophase, the nuclear membrane forms around the chromosomes on opposite sides of the cell, and the chromosomes become unwound DNA in newly formed nuclei.
In mitosis, telophase is the final phase of the cell cycle, during which the cell's genetic material is divided into two new daughter cells. In meiosis, telophase is the final phase of the meiotic cell division, during which the genetic material is divided into four new daughter cells, each with half the number of chromosomes as the original cell.
During telophase, the cell also begins to rearrange its cytoskeleton and reorganize its cytoplasm in preparation for cell division. This allows the two new daughter cells to separate and become independent organisms.
The telophase is the fourth and final phase of mitosis or meiosis, when a nuclear membrane forms around chromosomes on opposite sides of the cell and the chromosomes become unwound DNA in a newly formed nucleus.
What is the significance of the telophase?It is the final stage of cell division, in which the cell is about to divide into two different cells in mitosis, and there are four cells meiosis, and in telophase, the genetic contents are present at opposite poles and the DNA is decondensed. In all the phases of the cell cycle, the telophase is the last one where cytokinesis begins.
Hence, the telophase is the fourth and final phase of mitosis or meiosis, when a nuclear membrane forms around chromosomes on opposite sides of the cell and the chromosomes become unwound DNA in a newly formed nucleus.
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Conjugate base of a strong acid is:
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A strong acid is an acid that dissociates completely into its constituent ions in an aqueous solution, therefore, the conjugate base of a strong acid is weak. A conjugate base is the species formed after an acid loses a proton.
Acids and bases, in essence, are opposites. Acids donate protons, while bases accept them. When acids donate protons to water, they produce hydronium ions, while when bases donate hydroxide ions, they react with water to create hydroxide ions.
The stronger the acid, the weaker its conjugate base. Because strong acids donate their protons effectively, their conjugate bases are unable to accept them as efficiently as weaker acids. The stronger the base, the weaker its conjugate acid, which means that a strong base will have a weak conjugate acid. Acids and bases are two of the most essential chemical concepts because they play such a critical role in chemical reactions. Acids are molecular substances that donate protons, while bases are molecular substances that accept protons. Acids and bases can react with one another to create products that differ in their acidity.
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I needHelppppp plzzzz on these 2
Answers
Answer:
your correct...
Explanation:
Answer:
well well well....
Explanation:
i would say RNA but looks this thats discluded so thx for the curncy human.
What nitrogen base pairs with adenine?
A. Guanine
B. Thymine
C. Cytosine
Answers
Answer:
B. Thymine
Explanation:
The thymine pairs with adenine. Thus, option (B) is the correct answer.
the presence of a membrane-enclosed nucleus is a characteristic of ________.
Answers
Answer:
Eukaryotic cells
prokaryotic cells have a membrane-bound nucleus,while, eukaryotes have a membrane enclosed nucleus.
The presence of a membrane- enclosed nucleus is a characteristics of eukaryotic cells.
About Eukaryotic cellsEukaryotic cells are the cells that contain a membrane enclosed nucleus and organelles.
Eukaryotic cells form large and complex organization.
Eukaryotic cells have mitochondria.
The genetic material is present in the nucleus that contains genetic information.
Fungi, protozoa, plants and animals are eukaryotic cells.
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succession- the shared root of the words success and succession to a sequence of events, not to a success or a victory. A team can have a succession of wins, or a prince can succeed his father to the throne. Ask, how are these uses similar to its use in ecology
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The words succession, success, and victory of the sequence of events could be related to ecology with the success of sustainable development.
The ecological balance is the most challenging success to be achieved by us so that our mother nature and all living organism can live in harmony and peace.
This could be achieved only with sustainable development. The term sustainable development refers to the use of resources in a cautious way so that the other generations or the future generation's needs are not compromised.
If this is achieved, then the roots of succession as mentioned will be shared with prosperity and can pass on from generation to generation. Through such succession of sustainable development, ecological management would be improved, a balance of ecology would be achieved and a better earth could be transformed.
In this way, the uses of succession to a sequence of events could be achieved by its use in ecology.
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