In 2001, two groups of researchers announced their successful completion of draft sequences of the human genome. Which statement about these draft sequences is true
Answers
The Human Genome Project (HGP) was one of the biggest scientific projects that was launched in 1990, with the aim to read all the DNA, an average human carries in their cells.
The first draft sequence was published in 2001. Simultaneously, another version of the genome was published by Celera Genomics. The human genome project was successful to get all the sequences of the euchromatic region in the DNA but failed to sequence heterochromatic regions.
The statement which was true in these draft sequences:
The gene-rich regions of the genome are composed of the bases guanine and cytosine, while in gene-poor regions, the bases adenine and thymine dominate.Less than 2 percent of the genome codes for proteins.Chromosome 1 has the most genes and the Y chromosome has the fewest.The functions are unknown of around half of the discovered genes.The human genome consists of approximately 30,000 genes.To know more about The human genome project, click here:
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Related Questions
One segment of DNA that controls one trait is called
Answers
Answer:
Gene
Explanation:
Genes are pieces of DNA that code for a specific trait
Anil and Bala have the choice of using either Integrated Pest Control (IPC) or Terminator (T) to solve the problem of pest insects. The following diagram shows these possible outcomes on a graph. (You will find the matrix form of the game in the textbook - Figure 4.3 b - if you find that helpful.) Based on the information above, which of the following is correct? Select one or more: a. (T,T) is the only Pareto inefficient outcome. b. (I,I) is the unique Pareto efficient outcome. c. Anil and Bala will both be happy to move from the Pareto efficient (I, T) to the "fairer" Pareto efficient outcome (I, I). insects. The following diagram shows these possible outcomes on a graph. (You will find the matrix form of the game in the textbook - Figure 4.3 b - if you find that helpful.) Based on the information above, which of the following is correct? Select one or more: a. (T,T) is the only Pareto inefficient outcome. b. (I,I) is the unique Pareto efficient outcome. c. Anil and Bala will both be happy to move from the Pareto efficient (I, T) to the "fairer" Pareto efficient outcome (I,I). d. (T, I) Pareto-dominates (T,T).
Answers
Based on the information provided, the correct statement is:
c. Anil and Bala will both be happy to move from the Pareto efficient (I, T) to the "fairer" Pareto efficient outcome (I, I).
:
Pareto efficiency refers to a state where no individual can be made better off without making someone else worse off. In this scenario, the outcomes are represented by the choices of using Integrated Pest Control (IPC) or Terminator (T).
From the given information, we can deduce that (I, I) is the Pareto efficient outcome. This means that both Anil and Bala are satisfied with this outcome, as neither of them can be made better off without making the other worse off.
On the other hand, (T, T) is the only Pareto inefficient outcome. This indicates that there exists an alternative outcome, (I, I), where both Anil and Bala would be happier.
However, the given information does not provide any details about the outcome (T, I) and its relation to (T, T) in terms of Pareto dominance. Therefore, statement d. (T, I) Pareto-dominates (T, T) cannot be determined based on the given information.
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The serous fluid within the pericardial cavity works to:__.
a. eliminate blood pressure spikes.
b. equalize the pressure in the great vessels.
c. lubricate the membranes of the serous pericardium.
d. slow the heart rate.
Answers
The serous fluid within the pericardial cavity works to lubricate the membranes of the serous pericardium.
The pericardial cavityThe pericardial cavity is a space that is enclosed by the two layers of serous pericardium around the heart.
The pericardium is a thin, two-layered, fluid-filled sac that covers the outer surface of the heart. it is divided into 2 namely:
fibrous pericardium and serous pericardium.The serous fluid which is also called pericardial fluid helps to decrease friction between the pericardial layers. This is because, they lubricate the membranes of the serous pericardium.
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This organelle uses light energy to make sugar from carbon dioxide and water are
Answers
Answer: Chloroplast
Explanation:
Plants and some algae have chloroplasts responsible for photosynthesis. Plants undergo photosynthesis to transform light energy into chemical energy. This energy is stored in the form of sugar to support their growth and provide energy. Chloroplasts have a double membrane, with the thylakoid membrane located within the inner membrane.
Photosynthesis occurs within the thylakoid membrane, which is folded into sacs called thylakoids. Chlorophyll, a green pigment, is present in the thylakoids and it absorbs light energy to split water molecules into hydrogen and oxygen. The oxygen is released into the atmosphere while the hydrogen is used to create ATP, a molecule that stores energy. ATP and hydrogen are then utilized to make sugar, the final product of photosynthesis.
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Chloroplast
Explanation:
Chloroplast is a green pigmented organelle which some eukaryotes (such as plants and algae) have in their cells and it is in charge of photosynthesis.
50 POINTS!!!!!!!!! ANSWER ALL!!!!(This is a repost)
1. Fill in the complementary DNA strand using DNA base pairing rules.
2. Fill in the correct mRNA bases by transcribing the bottom DNA code
3. translate the MRNA codons and find the correct amino acid using the codon table
4. Use the MRNA sequence to find the correct anticodon for the TRNA molecule
Answers
Hope it helps
2. If you use the letter E for this
gene. What is the genotype of
the offspring if the parents were
EE хее
3. If you crossed the offspring
with each other? How many of the new offspring would you expect to have two eyes?
Answers
Answer:
2. Genotypes of offspring - Ee
3. Genotypes:
EE
Ee
Ee
ee
Explanation:
For 3. i wouldn't know how many of the offspring will have two eyes because we don't know what trait E is and what e is, but the genotypes will help you figure it out.
what characteristic of the s strain allows it to evade the immune system of the mice? what characteristic of the s strain allows it to evade the immune system of the mice? they are genetically engineered to be resistant to killing. they are resistant to heat. they are naturally competent. the cells have a capsule.
Answers
The cells have a capsule which allows it to evade the immune system of the mice. So, Last option is accurate.
The characteristic of the S strain that allows it to evade the immune system of mice is that the cells have a capsule. The capsule is a protective layer that surrounds the bacterial cell and makes it difficult for the immune system to recognize and attack the bacteria. The capsule can also help the bacteria avoid being engulfed by phagocytes, which are immune cells that can engulf and destroy bacteria. This allows the S strain to evade the immune system and cause disease in the mice.
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Explain how you would prepare a drop of
water containind an amoeba for viewind
under a microscone
Answers
Procedure for Microscopy
Using a dropper, place a few drops of the sample on a microscope glass slide (a sample of pond water or a small sample from the culture)
Gently cover the sample with a cover slip and mount on the microscope stage for viewing.
Start with low power and increase gradually to observe the specimen.
your patient complains of pain in the epigastric region. which organ is the likely source of the pain?
Answers
If your patient complains of pain in the epigastric region, the likely source of the pain would be the stomach.
The epigastric region is located in the upper part of the abdomen, between the costal margins, and below the subcostal plane. It contains a number of important organs including the liver, stomach, spleen, pancreas, and duodenum. Out of all these organs, the stomach is the most likely source of pain in the epigastric region as it is located centrally and commonly associated with epigastric pain.
The stomach is a muscular organ located between the esophagus and the small intestine. It plays a vital role in the digestion of food by grinding and mixing it with gastric juice which contains hydrochloric acid and digestive enzymes.
The stomach also regulates the release of food into the small intestine, where it is further digested and absorbed. Pain in the epigastric region is often associated with conditions like gastritis, peptic ulcers, acid reflux, and inflammation of the pancreas or gallbladder.
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Which is a reason cells divide?
A) to prevent tumor formation
B) to have smaller surface area
C) to reproduce
D) to stop binary fission
Answers
Drugs that open sodium (Nat)-selective channels would be expected to depolarize the cell membrane because (choose the best answer) The sodium equilibrium potential is typically more negative than the resting potential There is a net movement of sodium ions out of the cell The concentration inside the cell increases The sodium equilibrium potential is typically more positive than the resting potential
Answers
The opening of sodium (Na)-selective channels will lead to depolarization of the cell membrane because the sodium equilibrium potential is typically more negative than the resting potential.
This means that the membrane potential of the cell will become more positive when the Na-selective channels open, which is the opposite of what would happen if the equilibrium potential were more positive than the resting potential.
When the Na-selective channels open, the concentration of Na⁺ ions inside the cell increases due to a net movement of Na⁺ ions out of the cell. This influx of Na⁺ ions causes a decrease in the negative charge inside the cell, resulting in an increase in the membrane potential of the cell.
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Complete question is :-
Drugs that open sodium (Nat)-selective channels would be expected to depolarize the cell membrane because (choose the best answer) The sodium equilibrium potential is typically more negative than the resting potential There is a net movement of sodium ions out of the cell The concentration inside the cell increases The sodium equilibrium potential is typically more positive than the resting potential. EXPLAIN.
help! In DNA replication, one DNA strand that has the bases CTAGGT produces a new complimentary strand with the bases
AGCTTG
UCGAAC
GATCCA
CTTCGA
Answers
Answer:
GATCCA, because cytosine and guanine connect togther
on the Dna sequence while adenine and thymine connect so C is the oppsite of G and A is the oppisite of T
Bacteria use ________ to break down hydrocarbons during bioremediation, just as humans use them to digest food.
Answers
Answer:
nitrogen-fixing hydrocarbon-degrading bacteria
Explanation:
Researchers have found that using nitrogen-fixing hydrocarbon-degrading bacteria to improve the bioremediation efficiency was another good strategy instead of providing nitrogen sources (Thavasi et al., 2006).
Modern classification systems are based on structural similarities, fossil record and
Answers
- modern classification is based on figuring out evolutionary relationships using evidence from living species, the fossil record, and molecular data. - the evolutionary history for a group of species. ... - each species in a clade has some traits that have changed from its ancestors over evolutionary time.
Hope This Helps! can i get brainliest lol
. Using proper anatomical vocabulary, explain why it is that: If you MAINTAIN a position of FULL knee extension it is difficult to maximally flex the hip joint. Approach this question from BOTH a passive and active perspective. (aka: active and passive insufficiency)
A. Passive:
B. Active:
Answers
When maintaining a position of full knee extension, it becomes difficult to maximally flex the hip joint due to passive and active insufficiency. Passive insufficiency refers to the inability of a muscle or tendon to lengthen enough to allow for a full range of motion. Active insufficiency occurs when a muscle cannot generate enough tension to produce the desired movement.
A. Passive: In the case of maintaining full knee extension, passive insufficiency comes into play. The passive insufficiency of the hamstrings, which are responsible for hip flexion, occurs when the hamstrings are already stretched to their maximum length in knee extension. This restricts the ability of the hamstrings to further lengthen and perform their full range of motion for hip flexion.
B. Active: Active insufficiency involves the inability of a muscle to generate sufficient tension for a particular movement. In this scenario, the quadriceps muscles, responsible for knee extension, are actively contracting to maintain the extended knee position. When the quadriceps are actively contracting to keep the knee extended, their ability to generate additional tension for hip flexion is limited. This active insufficiency of the quadriceps restricts their capacity to fully flex the hip joint while maintaining full knee extension.
In summary, when maintaining full knee extension, both passive and active insufficiency contribute to the difficulty in maximally flexing the hip joint. Passive insufficiency of the hamstrings limits their ability to lengthen further, while active insufficiency of the quadriceps restricts their capacity to generate sufficient tension for hip flexion.
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septicemic plague results when the bacteria enters into the bloodstream. question 3 options: true false
Answers
True. Septicemic plague is a rare form of plague that occurs when the bacteria enter the bloodstream directly, rather than through the usual route of a flea bite.
Symptoms usually include fever, chills, extreme weakness, abdominal pain, shock, and sometimes bleeding under the skin, in the lungs, or in other organs. Septicemic plague is often fatal if not treated promptly with antibiotics. Septicemic plague is a rare and potentially life-threatening form of plague caused by the bacterium Yersinia pestis. It is spread through contact with an infected animal or person, or through flea bites. The infection typically causes fever, chills, weakness, abdominal pain, and swelling of the lymph nodes. If left untreated, it can lead to organ failure and death. Treatment involves antibiotics, supportive care, and in some cases, surgery.
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Is the following statement true or false?
Mitosis helps in the growth and repair of our body cells.
Answers
It is true that mitosis helps in the growth and repair of our body cells.
What is mitosis?Mitosis is the process by which a cell replicates and then segregates its chromosomes, producing two identical nuclei in preparation for cell division.
Mitosis is commonly followed by the equal division of the cell's contents into two daughter cells with identical genomes.
To ensure that the two new cells have full copies of the necessary genetic information, chromosomes in the original cell are duplicated.
Mitosis produces new cells that are genetically identical to one another. Mitosis allows organisms to grow and repair damaged tissue.
Thus, the given statement is true.
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Hemophilia is a rare recessive genetic disorder in which the recessive version of the gene does not produce blood-clotting factors. A woman whose father had hemophilia marries a normal man. They have two children: a boy and a girl. What are the chances of the boy being a hemophiliac? _________ What are the chances of the girl being a hemophiliac? _________ Show your work with a Punnett Square.
Answers
Answer:25 , 0
Explanation:
XX©(mother being the carrier as her father was hemophilia- females can only be carrier of hemophilia ) when crossed with normal father produces offspring XX©, XY, XY©, XY. Therefore chances of boy being hemophilia=(1/4)*100=25.
Chances of girl being hemophilia= 0.
Herbivores, carnivores, omnivores are subclasses of ________, meaning they have to eat to consume energy. question 21 options: a) abiotics b) heterotrophs c) decomposers d) autotrophs
Answers
Answer:
B) Heterotrophs
Explanation:
Heterotrophs have to eat to consume energy.
Genetic diversity comes from two main sources. The ultimate source of new alleles is genetic ________________ in which rare changes in DNA may produce a new protein and possibly a new trait. Another source of genetic variety is genetic__________
Answers
Genetic diversity comes from two main sources. The ultimate source of new alleles is genetic mutations in which rare changes in DNA may produce a new protein and possibly a new trait. Another source of genetic variety is genetic recombination
Mutations can occur spontaneously or due to exposure to environmental factors such as radiation or chemicals. These mutations can be passed down to future generations if they occur in the germ cells (sperm or egg cells) during meiosis. During meiosis, homologous chromosomes pair up and exchange segments of DNA through a process called crossing over, this creates new combinations of alleles and increases genetic diversity within a population.
Additionally, sexual reproduction allows for the shuffling of alleles from two different individuals, leading to even more genetic diversity. Overall, genetic diversity is important for the survival of a species, it provides the raw material for natural selection to act upon, allowing for adaptation to changing environments and increasing the chances of survival in the face of environmental challenges. The ultimate source of new alleles is genetic mutations in which rare changes in DNA may produce a new protein and possibly a new trait, another source of genetic variety is genetic recombination.
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waht is the plant in biology
Answers
Answer: genes nucleus asexual clones
Explanation:
What does gravity do ???
Answers
Answer:
Gravity is what holds the planets in orbit around the sun, and keeps us on the ground on the earth. Gravity also keeps the moon in orbit around Earth.
Explanation:
what is the scientific name for a scorpion’s stinger?
Answers
Answer:
The telson. It lies at the tip of the scorpion's tail and features a bulb, where the scorpion's venom is both produced and stored.
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:
A student draws a diagram of an E.coli cell, which is a type of bacteria. He draws and labels the cytoplasm, the cell membrane, DNA, and mitochondria. What is one problem with his diagram?
A
Bacterial cells do not have DNA.
B
Bacterial cells do not have a cell membrane.
C
Bacterial cells do not have cytoplasm.
D
Bacterial cells do not have mitochondria.
Answers
Answer:
D
Explanation:
they arr primitive organism who do not have mitochondria instead they have Mesosomes
Answer:
D. bacteria cells do not have mitochondria
Explanation:
the bacteria cells do not have a mitochondria hence they rely on immediate environment to obtain usable energy
bacteria cells have DNA which is located in the center but is not surrounded by the nuclear membrane since bacteria cells eg.prokaryotic cells have no membrane-bound organelles eg the nucleus
Suppose you have had kidney stones, and you want to see the outside of a kidney stone, in three dimensions, to see why it causes so much pain leaving the body. What microscope would be best suited to this purpose
Answers
A scanning electron microscope (SEM) would be the best option for viewing a kidney stone's exterior in three dimensions.
Thus, SEMs use a focussed electron beam to scan the specimen in order to provide finely detailed three-dimensional images of the specimen's surface.
This enables high-resolution imaging of the kidney stone's exterior features, revealing details on its composition, structure, and surface characteristics.
For examining the microstructure of materials and biological samples, SEMs are extensively employed in a wide range of scientific and medical applications.
Thus, A scanning electron microscope (SEM) would be the best option for viewing a kidney stone's exterior in three dimensions.
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What layer of the earth are tectonic plates located
Answers
Answer:
crust
Explanation:
NEED HELP!!! How do vestigial organs provide evidence for the theory of evolution? A Vestigial organs show differences between our DNA and the DNA of amoebas. B Vestigial organs show traits that a species once needed to have to perform certain tasks. C Vestigial organs show the variation in genes that can exist within one species. D Vestigial organs show how many cells organisms of a species once had.
Answers
Answer:
Vestigial organs show traits that a species once needed to have to perform certain tasks
Explanation:
B. Vestigial organs provide evidence for the theory of evolution:
"Vestigial organs show traits that a species once needed to have to perform certain tasks."
What do you mean by vestigial organs?
"Vestigial organs are the organs that have no apparent function and are considered to be the residual parts from the past ancestors."
What is theory of evolution?
"Theory of evolution is a scientific theory of the origin of species of plants and animals."
What do you mean by species?
"A species is often defined as a group of organisms that can reproduce naturally with one another and create fertile offspring."
What is a trait?
"A trait, as related to genetics, is a specific characteristic of an individual."
How are vestigial organs related to theory of evolution?
"Vestigial organs are often homologous to organs that are functioning normally in other species. Therefore, vestigial organs can be considered evidence for evolution, the process by which beneficial heritable traits arise in populations over an extended period of time."
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What purpose does the Spectera marker serve in your Coomassie-stained gel? Ifyou were doing a Western blot, how would the Spectera marker be useful?
Answers
The Spectera marker is a reference marker that is used in protein electrophoresis gels, including Coomassie-stained gels and Western blots.
The purpose of the Spectera marker is to provide a point of reference for the migration of different proteins across the gel and to enable quantification of the amount of protein present in each band.The Spectera marker contains a mixture of different proteins with known molecular weights, which are run alongside the sample proteins. By comparing the migration of the sample proteins to the known molecular weights of the Spectera marker proteins, the approximate molecular weight of the sample proteins can be determined. This is important for identifying and characterizing unknown proteins.The Spectera marker is also useful in Western blots because it allows for accurate determination of protein transfer efficiency. After proteins are separated by gel electrophoresis and transferred onto a membrane, the Spectera marker can be detected using an antibody that recognizes the marker proteins. By comparing the intensity of the Spectera marker bands in the gel and on the membrane, the transfer efficiency can be calculated. If the transfer efficiency is low, it can lead to inaccurate quantification of the protein of interest.
Therefore, the Spectera marker is an essential tool for ensuring the accuracy and reliability of protein analysis in electrophoresis gels and Western blots.
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HELP WILL MARK BRAINLIST IF CORRECT
Answers
The answer is the independent variable because the independent variable will always change or affect the dependent variable.
Answer: I would say A. Dependent? Nah it’s B. Prob
Explanation: hope this helps.