pcr was used to amplify a specific 500-base section of dna from three birds of the same species that were thought to be related. the three samples of amplified dna were run on an electrophoresis gel. three bands were seen on the gel that were exactly the same size. are the birds related? responses yes, because they came from the same place. yes, because they came from the same place. no, because the bands were the same size. no, because the bands were the same size. yes, because the bands were the same size. yes, because the bands were the same size. you cannot tell from the bands.
Answers
This suggests that they are likely to be related, but it does not prove definitively that they are related because "you cannot tell from the bands." Option F is correct.
The fact that the three birds of the same species yielded DNA bands of the exact same size after PCR amplification indicates that they have the same sequence of the targeted 500-base section of DNA.
While the three birds being from the same place could potentially suggest that they are related, it is not a conclusive piece of evidence for determining their relationship.
Additionally, the fact that the bands were the same size is a result of the PCR amplification of the same target sequence, but it does not necessarily provide information about the genetic relatedness of the birds. Therefore, both "no, because the bands were the same size" and "yes, because the bands were the same size" are incorrect responses.
Hence, F. is the correct option.
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--The given question is incomplete, the complete question is
"PCR was used to amplify a specific 500-base section of DNA from three birds of the same species that were thought to be related. the three samples of amplified DNA were run on an electrophoresis gel. three bands were seen on the gel that were exactly the same size. are the birds related? responses A) yes, because they came from the same place. yes, because they came from the same place. B) no, because the bands were the same size. C) no, because the bands were the same size D) yes, because the bands were the same size. E) yes, because the bands were the same size. F) you cannot tell from the bands."--
Related Questions
Select all that apply: Meiosis increases diversity in a populations by way of *
Mutation
Independent Assortment
Crossing Over
Random Fertilization
Answers
This generates new combinations of alleles from various genes.
which term indicates the presence of more than one thrombus?
Answers
The term for the presence of multiple thrombi is "thrombi." Thrombi are multiple blood clots that form within blood vessels, impeding blood flow.
Having more than one thrombus can be a serious medical condition as it increases the risk of complications, such as embolism or tissue damage.
Treatment options depend on the location, size, and severity of the thrombi, and may include anticoagulant medications, thrombolytic therapy, or surgical interventions.
Prompt medical attention is crucial to prevent further complications and manage the underlying cause of thrombus formation. If you suspect the presence of multiple thrombi, it's important to seek medical advice for appropriate evaluation and treatment.
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a scientific explanation that is tentative and testable is termed a/an:
Answers
A scientific explanation that is tentative and testable is termed as a hypothesis.
A scientific explanation is an explanation of some aspect of the natural world that can be continuously tested and verified by utilizing the scientific method. Scientific explanations use empirical data, and observations to back up their reasoning. They must be proven to be true or false through testing and experimentation. They are testable and measurable. They must also be repeatable so that other scientists can execute the same experiment in order to obtain the same results.
A hypothesis is an assumption or a proposed or possible explanation for some phenomenon that is testable and falsifiable made on grounds of limited evidence as a starting point for further investigation. A hypothesis has to be testable to be scientific. A tentative scientific explanation is called a hypothesis. The most straightforward definition of a hypothesis is an idea or a tentative explanation for an observed phenomenon that can be tested through experimentation or observation. It is an educated guess based on observation, previous knowledge, and research. A hypothesis must be falsifiable, meaning that it can be tested and potentially proven false through experimentation or observation. It may be called a scientific hypothesis, though this is a somewhat ambiguous term. It can be considered as a tentative scientific explanation, which serves as a foundation for empirical testing.
In conclusion, a scientific explanation that is tentative and testable is termed a hypothesis.
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how many mass in soft drinks crown in 1 pieces
Answers
Answer: 2.3 have you ever ever know how to say hi
what is a gene? what is a gene? a portion of rna that contains information to produce a protein. a portion of dna that contains information to produce a protein. a portion of dna that contains information to produce additional dna. a portion of a protein that contains information to produce dna.
Answers
The fundamental physical and physiological unit of heredity is a gene. DNA constitutes genes. Some genes serve as instructions for producing molecules known as proteins.
Many genes, however, don't really code for proteins. Messenger RNA (mRNA) is the name given to the type of RNA that conveys the genetic information from Dna out of the nucleus and into the cytoplasm to create a protein. In order to convert a gene into a protein, translation must take place in the cytoplasm. genetic material that is transferred from generation to generation. The chromosomes in the nucleolus have precise sites where genes are ordered sequentially on DNA sequences.
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the small bulging pouches that are sometimes found along the lining of the large intestine are called _____.
Answers
Diverticula are tiny, protruding pouches that can occasionally be seen along the big intestine's lining.
Diverticula are tiny pouches with protruding edges that can develop in the lining of your digestive tract. The bottom portion of the large intestine is where they are most frequently detected (colon). Diverticula are typical, particularly after the age of 40, and rarely create issues.
Diverticula, which are tiny bulges in the large intestine, can form and swell to produce diverticular illness. Diverticulitis symptoms appear if any of the diverticula get infected. Diverticula are thought to form for unknown reasons, however, a lack of fiber in the diet has been linked to their development.
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Draw suppose genes c and d are linked on one chromosome and genes c and d are linked on another chromosome. Assuming that crossing over does not take place, sketch the daughter cells resulting from meiosis, showing the chromosomes and position of the genes.
Answers
The resulting daughter cells are shown in the attached figure.
Stem cells have two chromosomes. One chromosome has C and D genes, while the other has c and d genes. Chromosomes are copied during the cell cycle's cell division cycle (interphase - S phase).
Chromosomes divide in meiosis I, resulting in the segregation of chromosomes.
During meiosis II, the two daughter cells resulting from meiosis-I are divided into four cells. The cells are separated resulting in the production of two types of gametes or daughter cells. One type contains the C and D genes, and the other type contains the c and d genes.
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which of the following prenatal diagnostic tests involves the least risk to the mother or fetus and is most informative regarding genetic disorders?
Answers
Prenatal diagnostic testing involves examining the foetus before birth (prenatally) to check for any anomalies, such as some hereditary or spontaneous genetic illnesses.
What is Prenatal Diagnostic Testing?To determine the likelihood that the foetus may have genetic defects, specific components in the pregnant woman's blood can be measured, and ultrasonography can also be used.Regular prenatal care procedures during pregnancy may include these blood tests and ultrasonography.Doctors may do procedures to examine the genetic makeup of the foetus, such as amniocentesis and chorionic villus sampling, if the findings of these tests point to an elevated risk.The foetus faces extremely little risk from amniocentesis and chorionic villus sampling, which are both invasive procedures.The standard of care for pregnant women frequently includes some prenatal diagnostic testing, such as blood tests and ultrasound. When determining whether more invasive prenatal genetic tests (chorionic villus sampling, amniocentesis, and percutaneous umbilical blood collection) are required, safe prenatal diagnostic tools like ultrasound and blood tests can occasionally be used. These more intrusive tests are typically carried out in cases where couples are at an elevated risk of producing children who have chromosomal abnormalities or genetic abnormalities (such as neural tube defects) (particularly when the woman is 35 or older). Although any pregnant woman can request it, many doctors give this kind of testing to all pregnant patients. In particular for the fetus, these tests carry relatively modest risks.To Learn more About Prenatal diagnostic testing refer To:
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Charles Keeling's work at the National Oceanic and Atmospheric Administration (NOAA) Mauna Loa Observatory
paved the way to understanding how human activities can lead to global warming.
Which greenhouse gas did Charles Keeling measure at the observatory?
A)
carbon monoxide
B)
methane
C)
nitrous oxide
D)
carbon dioxide
Answers
Answer:
D) carbon dioxide
Explanation:
Carbon dioxide (CO2) is the most important greenhouse gas which is known to absorb heat that would otherwise be lost to space. It has been shown that CO2 causes approximately 80% of global warming. Different human activities, but especially the burning of fossil fuels, are the main cause of global warming. It has been estimated that 40 billion metric tons of CO2 produced by human activities are being discharged into the atmosphere annually. Other human activities associated with global warming by increasing the concentration of CO2 in the atmosphere include deforestation and cement production.
the aerated activated biosolid digestion process and produces material that can be used as fertilizer on non-human consumption crops.
Answers
The aerated activated biosolid digestion process is the secondary treatment of sewage. It is used to produces material that can be used as fertilizer on non-human consumption crops.
In the absence of oxygen, bacteria use anaerobic digestion to break down organic wastes including animal dung, wastewater biosolids, and food scraps. A reactor is used to conduct anaerobic digestion in order to produce biogas. The process of treating wastewater results in the creation of biosolids. The liquids and solids in wastewater are separated during treatment. These solids are then subjected to physical and chemical processing to create biosolids, a semisolid, nutrient-rich byproduct.
Hence, secondary treatment produces fertilizer used in non human consumption crop.
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Which is one of the branches of Earth science?
astronomy
biology
chemistry
physics
Answers
Answer:
a
Explanation:
how is the coin toss model similar to the way in which traits are inherited in living things how is the model different
Answers
Answer:
Comparing and Contrasting How is this coin-toss model similar to the way in which traits are inherited in living things? How is the model different? Like the model, alleles are independent of one another, and inheritance of one allele does not influence the inheritance of another.
Explanation:
Like the model, alleles are separate from one another, and the inheritance of one allele does not affect the inheritance of another.
How does tossing the coins relate to how the gender of offspring is determined?By throwing a coin to decide whether the father's X or Y chromosome is passed onto his offspring, the gender of the offspring is determined, and a square, for male, XY, and a circle for female, XX, can be illustrated below each of the vertical lines. Anyone pedigree chart can have all male, all female or any ratio in between.
Thus, in such a way both are different.
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The diagram below shows a partial Forest Ecosystem food web containing the
Brain worm, White Tailed Deer, and Common Snails. A life cycle of the Brain
Worm is also shown below.
Forest Ecosystem Food Web
Brain Worm Life Cycle
Life Cycle
Bears
Brain worm
Snail
Berries
Based on the two diagrams, which answer correctly identifies the relationships of
organisms contained in these two diagrams?
a) Mutualism: Bear and Sparrow, Parasitism: Snail and Brain Worm
b) Commensalism: Snail and Brain Worm. Predation: Wolf and Snail
c) Parasitism: Deer and Brain Worm, Competition: Snail and Deer
)Mutualism: Grass and Snail, Commensalism: Wolf and Deer
Answers
The correct answer is c) Parasitism: Deer and Brain Worm, Competition: Snail and Deer.
The diagrams show a partial food web of a forest ecosystem and the life cycle of the Brain Worm. The Brain Worm is a parasite that infects the White Tailed Deer and uses it as a host to complete its life cycle. This relationship is an example of parasitism, where one organism benefits (Brain Worm) at the expense of the other (Deer). The Common Snails are in competition with the Deer for resources, as both consume the berries in the ecosystem.
Therefore, the correct answer is c) Parasitism: Deer and Brain Worm, Competition: Snail and Deer.
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Because rapid weight loss stimulates too much hunger, slows the metabolism, and can lead to lean tissue losses, losing __________ pounds per week should be considered a weight loss success.
Answers
Because rapid weight loss stimulates too much hunger, slows the metabolism, and can lead to lean tissue losses, losing 0.5 to 1 pounds per week should be considered a weight loss success.
What is metabolism?Metabolism is a group of chemical reactions that help in the body's growth and formation. There are two metabolic processes. They are catabolism, and anabolism.
When food material breakdown and produce energy is called catabolism, and when energy molecules joined together is called anabolism.
Therefore, the slow metabolism, and can lead to lean tissue losses, losing 0.5 to 1 pounds per week.
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can yall please help, have a good day !
Answers
Answer:
Claim : Community B is more sustainable.
Evidence: That is because we can observe greenary with more number of small plants
Reasoning : Sustainable means that lasts for a long term right since it has smaller plants and sapplings they take time to grow and lasts for a long time.
Hope it helps
Have a good day too...
All the best!!
Give THREE examples of an adaptation of an organism and WHY it is considered an adaptation.
Answers
Answer:
There are three different types of adaptations: Behavioural - responses made by an organism that help it to survive/reproduce. Physiological - a body process that helps an organism to survive/reproduce. Structural - a feature of an organism's body that helps it to survive/reproduce.
Explanation:
Which description characterizes a stable ecosystem?
a wide variety of organsims
one organism
two organisms
a low variety of organisms
Answers
Answer:
a low variety of organisms
Explanation:
if there are too many there would be no food if there are too little there would be a small amount of food.
Answer:
THANKS FOR THE POINTS I WILL USE THEM
Explanation:
after dna replication, the two newly synthesized strands join each other to form a completely new piece of of answer choicestruefalse
Answers
The statement "After DNA replication, the two newly synthesized strands join each other to form a completely new piece" is false.
The double-stranded DNA molecule unwinds and splits into two strands during DNA replication. By adding nucleotides, each strand acts as a template for the creation of a new complimentary strand.
Because each of the two resultant DNA molecules comprises one strand from the original DNA molecule and one freshly synthesized strand, the procedure is known as semi-conservative replication.
The two daughter DNA molecules do not combine to produce a single new DNA molecule after replication; rather, they stay apart from one another. They can go through further procedures like transcription and translation to express the genetic data that is encoded in the DNA.
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Complete question
After DNA replication, the two newly synthesized strands join each other to form a completely new piece. true or false.
Distinguish between natural selection and artificial selection.
Answers
Answer:
Natural selection is based on an animal's adaptive characteristics. Artificial selection is dependent on human-selected attractive characteristics. Natural selection only passes on positive or desirable characteristics to subsequent generations.
Explanation:
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A ___(J)_____ is a group of individuals of the same species that mate and produce offspring. In each generation, new genotypes occur that express themselves as specific individual ____(K)___. Any factor that affects the ____(L)___ of a population can change the frequency of ___(M)___, resulting in evolution over time. Through the processes of variation and ___(N)___, new species can arise. A ___(P)___ is a population of physically similar, interbreeding organisms that do not interbred with other such groups.
Answers
Answer:
(J) population; (K) phenotypes; (L) gene pool; (M) alleles; (N) natural selection; (P) species
Explanation:
A population is a group of organisms living in a particular geographical area that is capable of interbreeding, while a species is a group of populations that are capable of interbreeding and producing fertile progeny. In a population, genetic variation can enter from one of these sources: 1-recombination (i.e., the exchange of DNA between homologous chromosomes during meiosis), 2-mutations (i.e., genetic alterations resulting from DNA replication), 3-migration of individuals between populations, or 4-lateral or horizontal gene transfer (i.e., the acquisition of genetic material between individuals without direct vertical inheritance, it is extremely rare in higher organisms). Alleles are gene variants which are may be created, for example, through mutation, while the gene pool refers to the total genetic diversity (i.e., alleles) that exists within a population. Finally, natural selection refers to the evolutionary process of differential reproduction and survival through which populations adapt and change.
what is the modification of plant?why are different parts of plants modified? write
please help:(
Answers
Answer:
what is the modifications of plants?ans -In some plants, the roots change their shape and get modified to absorb and transport water and minerals from the soil to different parts of the plant. They are also modified for support, food storage, and respiration. The root modifications perform two major functions- Physiological and Mechanical.
Cell Division: Parts of Nephron
Leaf Structure: Genotype Meaning
2.why are different parts of plants modified?
ans-Certain parts of a plant undergo modification in order to adapt to their surroundings and environmental conditions. These modifications help them in their survival against odds. For example, the leaves in a cactus plant are modified to spines to reduce the surface area and hence water loss by evaporation.
The formation of sediment is driven by energy from...
A. Earths interior
B. The sun
C. The outside layer
Answers
Answer:
C
Explanation:
Sedimentary rocks are formed by the compression of material overtime
In order to see cells clearly in a section of plant tissue, which magnification would you have to use? А x5
B x 10
С X100
D X1000
Answers
Ratio
L guess you idiot
2. Cellular respiration does not produce____.
A glucose
B water
C carbon dioxide
D ATP
Answers
cellular respiration does not produce glucose
A student creates a diagram showing a scale representation of the planets in the solar system. Which planet would appear about four times larger than the diameter of Venus?
Answers
Answer:
hi
Explanation:
What is the outlook for the python problem? In other words, is this a problem that can be solved? Explain your answer.
Answers
List three effectors that are used to lower your body's temperature
Answers
Answer: To lower your body's temperature, there are three main effectors that can be used: sweating, vasodilation, and shivering. Sweating allows the body to release heat through the evaporation of water on the skin's surface. Vasodilation dilates the blood vessels in order to increase blood flow to the skin and allow more heat to be lost from the body. Lastly, shivering increases metabolism and generates heat that can be released from muscle activity.
Explanation:
The amount of biomass that is produced in an area during a given time would be referred to as?
Answers
Answer:
Explanation:
The amount of biomass that is produced in an area during a given time is referred to as primary production/productivity.
What is biomass?Renewable organic material obtained from plant and animal sources if referred to as biomass.Primary productivity is the production of organic compounds through the process of photosynthesis, with the help of solar energy.Primary productivity is measured as biomass produced per unit area over a give time periodIt is usually expressed either in weight or energy.There are two ways to express primary productivity:a) Gross Primary Productivity(GPP): Takes into account the total energy produced in the ecosystem.
b) Net primary Productivity(NPP): Takes into account, solely the energy used by the producer for respiration.
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which statement characterizes commensalism?
a) both organisms are negatively affected.
b) one organism benefits while the other organism experiences harm.
c) one organism benefits while the other organism is not affected.
Answers
Answer:
c) one organism benefits while the other organism is not affected.
Question 4 of 25 How are genes and proteins related? A. Genes and proteins are both made of DNA. OB. Protein are made of parts of genes. C. Both are made from amino acids. D. One gene codes for one protein. SUBIT
Answers
Genes and proteins related as D. One gene codes for one protein.
What is genes?Genes are segments of DNA (deoxyribonucleic acid) that contain the genetic information that is passed from parents to offspring during reproduction. They are the fundamental units of heredity that determine the traits and characteristics of an organism. Genes are composed of nucleotide sequences that code for the production of specific proteins or functional RNA molecules. The sequence of nucleotides in a gene determines the sequence of amino acids in a protein, which ultimately determines its structure and function. Genes are located on chromosomes, which are long, thread-like structures made up of DNA and proteins. In humans, each cell typically contains 46 chromosomes arranged in 23 pairs, with one set inherited from each parent.
Here,
Genes are segments of DNA that provide the instructions for the synthesis of proteins. Proteins, on the other hand, are large molecules composed of long chains of amino acids. During the process of protein synthesis, the genetic information encoded in DNA is transcribed into RNA, which is then translated into a specific sequence of amino acids that makes up a protein.
Each gene codes for the production of a specific protein or a functional RNA molecule. This is known as the one gene-one protein hypothesis, which has been refined to the one gene-one polypeptide hypothesis to account for RNA molecules that are not translated into proteins. So, a gene provides the genetic code for the synthesis of a protein, which is made up of amino acids.
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