All cells contain the same genetic information. Why can't cells other than stem cells differentiate into various tissues?
Select one:
a. As cells develop, their genetic makeup changes.
b. As cells develop, some genes are turned off permanently.
c. Stem cells are the only cells that do not have an X or Y chromosome and can therefore go into either a male or female.
d. Stem cells are the only cells that can be implanted.
Answers
Answer:
c. stem cells are the only cells that do not have an X and Y chromosome and can therefore go into either make or female
All cells contain the same genetic information. Stem cells are the only cells that do not have an X or Y chromosome and can therefore go into either a male or female. Thus, option C is correct.
What is DNA?
DNA has been known as the molecule that contains the genetic information that is necessary to generate proteins. This is due to the sequence of the nucleotides, which are the monomers of DNA. Each nucleotide has been contained a different base Adenine (A), Timine (T), Guanine (G), Cytosine (C).
When the cell has needs to synthesize the proteins, DNA has not used directly but the transcribed into RNA. This RNA has been directed to the ribosomes, organelles where the protein synthesis has been taken place, and according to the sequence of RNA which is complementary to DNA, the different amino acids has been coded. During translation, aminoacids are joined together to form proteins.
Therefore, All cells contain the same genetic information. Stem cells are the only cells that do not have an X or Y chromosome and can therefore go into either a male or female. Thus, option C is correct.
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Related Questions
Summarize how dna controls cellular functions.
Answers
Answer:
Explanation:
DNA controls cellular functions by encoding the genetic information that directs the synthesis of proteins. Proteins are responsible for carrying out most of the cellular processes, including metabolism, growth, and replication. DNA is transcribed into RNA, which is then translated into specific proteins. The expression of genes is tightly regulated to ensure that the appropriate proteins are synthesized at the correct time and in the correct amount. This regulation is accomplished through the interaction of regulatory proteins with specific DNA sequences and through epigenetic modifications, which alter the structure of DNA and affect gene expression. Together, these mechanisms ensure that cellular functions are properly controlled and coordinated.
PLS MARK ME BRAINLIEST
DNA controls cellular functions by providing the genetic code for the synthesis of proteins, which carry out specific functions in the cell.
DNA is transcribed into mRNA, which is then translated into a sequence of amino acids to form a protein. The sequence of amino acids determines the structure and function of the protein, which in turn determines the cellular function.
DNA also controls cellular functions through the regulation of gene expression, which can be influenced by various factors such as environmental cues, signaling molecules, and epigenetic modifications.
Gene expression can be controlled at different levels, including transcription, RNA processing, translation, and post-translational modifications.
Thus, the DNA code acts as a blueprint for the formation and regulation of proteins, which are the building blocks of cellular structures and perform a wide variety of functions necessary for the survival and growth of the cell.
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the lyon hypothesis attempts to explain the molecular mechanism of multiple choice extranuclear inheritance. maternal effect. genomic imprinting. maternal inheritance. x-inactivation.
Answers
The Lyon hypothesis attempts to explain the molecular mechanism of X-inactivation. This process ensures that one of the two X chromosomes in female mammals is inactivated, leading to equal expression of X-linked genes between males and females.
The Lyon hypothesis attempts to explain the mechanism behind X-inactivation, which is a form of extranuclear inheritance. It proposes that one of the two X chromosomes in female mammals is randomly inactivated during embryonic development, and that this inactivation is maintained in subsequent cell divisions. This results in a mosaic pattern of gene expression, where some cells express genes from the maternal X chromosome and others express genes from the paternal X chromosome. This process is not a form of maternal inheritance or maternal effect, but it does involve genomic imprinting, as certain genes on the X chromosome may be preferentially expressed from one parent's chromosome due to epigenetic modifications.
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16. Organisms inherit their genetic information from their
A. ribonucleic acid.
B. mitotic parents.
C. biological parents.
D. biological siblings.
17. Where is the genetic information stored in DNA?
A. in the centromere of the chromosome
B. in the sequence of nitrogenous bases
C. in the bonds that hold the nitrogenous bases together
D. in the sequence of alternating sugar and phosphate backbone
Answers
Answer:c or b for number 1 one and number 17 c or a if not neither one than it's b hope this helps.
Explanation:
Which of the following answer choices BEST supports the idea that most attempts by scientists to create new elements will fail?
Answers
The answer choice which best supports the idea that most attempts by scientists to create new chemical elements will fail is that: (D) scientists have to repeat their experiments an enormous number of times; if it works once it's seen as a success.
What is a chemical element?A chemical element can be defined as a pure substance that comprises atoms having the same atomic number (number of protons) in its nuclei and as such, it is the primary constituent of matter. Also, a common characteristics for all chemical elements found on the periodic table is mass and volume.
In Chemistry, some examples of a chemical element include the following:
Carbon (C)Oxygen (O)Argon (Ar)Sodium (Na)Potassium (K)Mercury (Hg) Hydrogen (H)Zinc (Zn)In this scenario, we can reasonably infer and logically deduce that a statement which indicates that an attempt by scientists to create new chemical elements will fail is stating that "scientists have to repeat their experiments an enormous number of times; if it works once it's seen as a success." because an experiment to create new chemical elements must be tested and they all should have multiple successful results.
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Complete Question:
Which of the following answer choices BEST supports the idea that most attempts by scientists to create new elements will fail?
(A) Scientists have to create a target with a carefully chosen atom; this is a process that takes months.
(B) Scientists have to smash atoms together and get them to stick; a positive charge makes them repel each other.
(C) Scientists have to bombard particles with specific protons; specialized atoms combine with neutrons.
(D) Scientists have to repeat their experiments an enormous number of times; if it works once it's seen as a success
1. Francessca is making a loaf of applesauce bread. The recipe includes sifted flour, til baking soda, applesauce, a beaten egg, and spices. What equipment does nossa to make and bake this recipe?
Answers
In order to make the applesauce bread, Francessca will need the ingredients listed as well as the cooking utensils required to mix and cook the loaf.
Oftentimes making bread includes putting together all of the ingredients, then mixing them, and once the bread has risen, cooking the loaf. To do this, Francessca will require:
A bowlAn egg beaterA Stand mixer An oven-ready containerAn oven.Francessca will need to put the ingredients together in a bowl, mix them, and beat the egg with the egg beater, then use a stand mixer to knead the bread. Once this is done, she will apply the loaf onto an oven-ready container which she will then put in the oven to properly cook.
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"If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, what product will be collected?"A. Transgenic bacterial plasmidsB. Hepatitus B frusesC. Hepatitus B vaccineD. Hepatitus resistant bacteria
Answers
If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, the product collected will be transgenic bacterial plasmids, inside the bacteria, in order to proove if the transgenic plasmid actually gives the bacteria resistance to the virus, it has to be grown in an infected medium.
The correct answer is option A.
From where can conservation geneticists collect dna samples to monitor endangered species?
Answers
DNA collecting samples helping species recover often depend, which can reveal valuable information about details ranging from inbreeding and population history to natural selection.
To measure the genetic diversity of particular gene, scientist look at how many different versions of it are present in a population.Use of molecular marker for identification of endangered species offer promise of conservation biology.
Conservation genetics is the application of genetics to understanding the decreasing population and species extincts.By effective managing these ecosystem we can help preserve threatens and endangered. It helps in determine evolutionary context of endangered species and enables the development of better management and strategies for endangered species.
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HELP ME PLEASEEE ! will mark brainliestt !!!
How would habitat fragmentation decrease biodiversity? support with evidence.
What ideas do you have to help eliminate habitat fragmentation?
What additional policies may be needed to increase the protection of endagered species?
Answers
Answer:PREVENTION AND MITIGATION OF FRAGMENTATION
Restoration: Converting once developed land to a natural state. Mitigation: Developers create or preserve lands of similar quality and size to that which they impact. Zoning: Adding wildlife and habitat conservation considerations to lo- cal development plans.
Explanation:
Answer:
For example the amazon rainforest is the most biodiverse place on the planet. With deforestation we are putting hundreds of species to extenction and causeing the biodiversity to drop. This causes the whole planet to suffer in many ways such as less oxegen more co2. Some ways we could help eliminate this is to restrict the number of trees to be able to be cut down. This would need to be done by the brazilian government to be able to enforce it.
SOme polices to protect endaered speies would be to threaten prison time with pouching.
multigene families include two or more nearly identical genes or genes sharing nearly identical sequences. a classical example is the set of genes for globin molecules, including genes on human chromosomes 11 and 16. how might identical and obviously duplicated gene sequences have gotten from one chromosome to another?
Answers
Identical and obviously duplicated gene sequences have gotten from one chromosome to another by chromosomal translocation.
What is chromosomal translocation?А trаnslocаtion, аs relаted to genetics, occurs when а chromosome breаks аnd the (typicаlly two) frаgmented pieces re-аttаch to different chromosomes. The detection of chromosomаl trаnslocаtions cаn be importаnt for the diаgnosis of certаin genetic diseаses аnd disorders.
Multigene families are identicаl or similаr genes thаt hаve evolved by gene duplicаtion. Multigene fаmilies аre believed to hаve аrisen by duplicаtion аnd vаriаtion of а single аncestrаl gene. Exаmples of multigene fаmilies include those thаt encode the аctins, hemoglobins, immunoglobulins, tubulins, interferons, histones etc.
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find 5 different fruits or veggeles to rest dense or less dense then water
Answers
Answer:
because. it is thekejejd
The fluidity of the plasma membrane is primarily provided by the ______.
Answers
Answer:
The fluidity of the plasma membrane is primarily provided by the Phospholipids
How do the oxygen and nutrient levels in the adult vena cava compare to those levels in the fetal vena cava?
Answers
Answer:
The fetal oxygen and nutrient levels are higher.
Which part of a city is most like a lysosome
Answers
Answer:
The lysosomes would be the recycling and waste disposal center in cell city.
Explanation:
I don't understand any of it. I really need some help. Don't mind the answers on there, they're probably wrong. I know you have to use Hardy Weinberg but exactly how do I do that? Completely lost
Answers
Answer: I have done this work in the pass same answers as mine to so your correct.
Explanation:
hoped this helped have a mathtastic day
The Hardy-Weinberg theory states that a population in equilibrium expresses the same allelic and genotypic frequencies generation after generation. 1) F = 9.4%, fch = 29.6%, fh = 43.3%, f= 17.7%, FF = 0.88%, Ffch = 3.3%, Ffh = 5.5%, Ff = 8.1%, fchfch = 3.13%, fchfh = 10.5%, fchf = 15.3%, fhfh = = 8.8%, fhf = 25.6%, ff = 18.8%. 2) FF = 30.6, Ffch = 114.8, Ffh = 191.3, Ff = 281.8, fchfch = 108.9, fchfh = 365.3, fchf = 532.3, fhfh = 306.2, fhf = 890.6, ff = 654.
What is the Hardy-Weinberg equilibrium?
Hardy-Weinberg equilibrium is a theory that describes a population that is not evolving, it is in equilibrium. The allelic and genotypic frequencies in this population remain the same generation after generation.
Assuming a multiallelic gene, there are different equations we can use to determine the frequencies.
Assuming 4 alleles,
Allelic frequencies
prqsGenotypic frequencies
p² ⇒ Homozygousq² ⇒ Homozygousr² ⇒ Homozygouss² ⇒ Homozygous2pq ⇒ Heterozygous2pr ⇒ Heterozygous2ps ⇒ Heterozygous2qr ⇒ Heterozygous2qs ⇒ Heterozygous2rs ⇒ HeterozygousEquations,
p + q + r + s = 1p² + q² + r² + s² + 2pq + 2pr + 2ps + 2qr + 2qs + 2rs = 1Available information,
Alleles Frequency
F p = 0.094fch q = ?fh r = ?f s = ?Genotypes Frequencies
FF p² = ?Ffch 2pq = ?Ffh 2pr = ?Ff 2ps = ?fchfch q² = ?fchch 2qr = ?fchf 2qs = ?fhfh r² = 0.088fhf 2rs = ?ff s² = 0.188Now, let us first take allelic frequencies,
p = 0.094
r = √r² = √0.088 = 0.296
s = √s² = √0.188 = 0.433
q = ?
We can clear the equation p + q + r + s = 1 to get the value of the q allele
p + q + r + s = 1
0.094 + q + 0.296 + 0.433 = 1
q = 1 - 0.094 - 0.296 - 0.433
q = 0.177
So,
p = 0.094 = 9.4%r = 0.296 = 29.6%s = 0.433 = 43.3%q = 0.177 = 17.7%Now, let us get the genotypic frequencies,
p² = 0.094² = 0.0088 = 0.88%2pq = 2 x 0.094 x 0.177 = 0.033 = 3.3%2pr = 2 x 0.094 x 0.296 = 0.055 = 5.5%2ps = 2 x 0.094 x 0.433 = 0.081 = 8.1%q² = 0.177² = 0.0313 = 3.13%2qr = 2 x 0.177 x 0.296 = 0.105 = 10.5%2qs = 2 x 0.177 x 0.433 = 0.153 = 15.3%r² = 0.088 = 8.8%2rs = 2 x 0.296 x 0.433 = 0.256 = 25.6%s² = 0.188 = 18.8%If these calcs are right, then the addition of all these genotypic frequencies should equal one.
p² + q² + r² + s² + 2pq + 2pr + 2ps + 2qr + 2qs + 2rs = 1
Now, to get the number of individuals with each genotype, you just need to multiply the genotypic frequency by the total number of individuals.
Number of individuals with each genotype,
p² = 0.0088 x 3479 = 30.6 2pq = 0.033 x 3479 = 114.82pr = 0.055 x 3479 = 191.32ps = 0.081 x 3479 = 281.8q² = 0.0313 x 3479 = 108.92qr = 0.105 x 3479 = 365.32qs = 0.153 x 3479 = 532.3r² = 0.088 x 3479 = 306.22rs = 0.256 x 3479 = 890.6s² = 0.188 x 3479 = 654You can learn more about Hardy Weinberg equilibrium at
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Which of the mutations would most likely have the least severe consequences? a) addition of one nucleotide b) addition of three nucleotides c) addition of two nucleotides d) deletion of one nucleotide
Answers
In general, a nucleotide replacement has less severe effects than an addition or deletion of a nucleotide. A deletion is a type of chromosomal mutation where a segment (without a centromere) is absent. the correct option to this question is D.
Definition In terms of genomics, substitution is a sort of mutation in which one nucleotide is changed for a different nucleotide. The phrase can also be used to describe the substitution of one amino acid for another in a protein.A single nucleotide can be replaced by a different nucleotide in a mutation known as a substitution mutation. Examples of base-pair substitutions include replacing a purine with a different purine (A G) or a pyrimidine with a different pyrimidine (C T).For more information on nucleotide substitution kindly visit to
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PLEASE HELP!!
Your lunch consists of an orange, wheat crackers and a glass of milk. Which part of your
lunch will give you quick energy and which part will give you enough energy to get through
the rest of the day? EXPLAIN YOUR ANSWER
Answers
Answer:
oranges
Explanation:
Oranges are rich in vitamin C, folate, and potassium. When eaten, oranges, like apples, will provide you with sustained energy as opposed to a quick jolt. Additionally, fruits contain simple carbohydrates that your body easily breaks down into glucose to give you a quick boost of energy.
Which form a EM radiation has the most energy
Answers
Answer:
gamma-rays
Explanation:
Hope this helped!
mitosis is most similar to because in both stages, . choose one: a. meiosis i, sister chromatids separate. b. meiosis ii, homologous chromosomes separate. c. meiosis i, homologous chromosomes separate. d. meiosis ii, sister chromatids separate.
Answers
Sister chromatids separate in both stages, making meiosis II and mitosis most similar to one another. Sister chromatids split during meiosis II and mitosis.
What other cell cycle is most like mitosis?As opposed to meiosis I, where the chiasma connecting two homologous chromosomes lines up on the metaphasal equator, meiosis II aligns the centromere between two sister chromatids on the equator.
DNA duplication occurs during both meiosis and mitosis in a cell. Each chromosome, or strand of DNA, is replicated and kept connected, creating two sister chromatids for each chromosome. Meiosis and mitosis both aim to divide the nucleus and its DNA content between two daughter cells.
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what stores info in a cell, what is passed from 1 generation to the next
Answers
Answer:
Heredity is the passage of these instructions from one generation to another. Hereditary information is contained in genes, located in the chromosomes of each cell. Each gene carries a single unit of information.
Explanation:
What is an organisms that remains alive despite the use of an antibiotic considered to be?
Answers
An organism that remains alive despite the use of an antibiotic is considered to be antibiotic-resistant.
Antibiotics are medications that prevent or limit bacterial infections.
Antibiotics have no effect on viruses, which are responsible for the majority of upper respiratory infections.
The inappropriate use of antibiotics has resulted in the development of antibiotic resistance, a growing public health concern in the world.
Bacteria can undergo mutations that allow them to survive antibiotic exposure, and they can also receive genetic material from other bacteria that have developed antibiotic resistance.
When antibiotic-resistant bacteria arise, they can be transmitted from person to person, posing a public health problem.
When bacteria with antibiotic resistance become dominant, the ability to treat infections with antibiotics is diminished, and infections that were once easily treatable with antibiotics can become life-threatening.
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which of the cell junctions is involved in creating a barrier between cells?
Answers
Tight junctions are cell junctions that seal tissues. These junctions form protective and functional barriers.
The cell junction that is involved in creating a barrier between cells is the TIGHT junction.The tight junctions are cell-cell adhesion structures implicated in cell polarity and signaling.On the other hand, adherens junctions are cell junctions required for maintaining contact inhibition.Finally, desmosomes are intercellular junctions that bind intermediate filaments of the cytoskeleton with cadherin proteins.Learn more in:
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mutton, t. (2020). teacher education and covid-19: responses and opportunities for new pedagogical initiatives. journal of education for teaching, 46(4), 439-441.
Answers
The discussion of mutton, t. (2020). teacher education and covid-19: responses and opportunities for new pedagogical initiatives. journal of education for teaching, 46(4), 439-441 is given in below paragraph-
The editorial for the first issue of the current volume of JET was titled "The challenges for teacher education in the 21st century; urgency, complexity, and timeliness" (la Velle 2020, 1). However, when that issue was published early in 2020, there was little indication of the immense challenges that remained to be faced in light of the COVID-19 pandemic. The collection of papers in this present special issue amply indicates how difficult it has been for teacher educators to deal with the numerous issues brought on by the disruption to pre-service teachers' professional development worldwide during the past few months.
In some cases, the spotlight has been on the way in which existing challenges have been exacerbated and in others the emphasis has been on new challenges thrown up by the pandemic situation. What is fascinating in this collection of papers, however, is the way in which so many teacher educators internationally have seen the current crisis as an opportunity to consider new ways of working, to adopt innovative approaches to pedagogy and to re-conceptualise the nature of their teacher education programmes.
What is covid-19?Coronavirus disease 2019 (COVID-19) is a contagious illness brought on by the coronavirus 2 that causes severe acute respiratory syndrome (SARS-CoV-2). In December 2019, Wuhan, China, reported the discovery of the first case. The COVID-19 pandemic was caused by the disease's rapid global spread.
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What organ in the abdomen is most commonly injured by blunt trauma, and can bleed profusely enough to threaten the patient's life?
Answers
Major digestive and excretory organs are present in the abdomen region. The liver can get injured by blunt trauma leading to high blood loss and can be life-threatening.
What is a liver?The liver is a vascular organ of the body located in the upper abdomen region and is the largest in size. It has an important function that involves the transportation of blood from the stomach.
A blunt trauma affects the liver the most and leads to severe hemorrhage in case of any injury that can be life-threatening to a patient.
Therefore, the liver is the organ of the abdomen that can get injured by blunt trauma.
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For a cell to successfully receive a message from a hormone, which of the following must occur?
A: The hormone must attach to the cell's receptor.
B: The hormone must enter the cell.
C: The hormone must produce neurotransmitters.
D: The hormone must be destroyed.
Answers
Answer:
B. the hormone must enter the cell
Answer:
A: The hormone must attach to the cell's receptor.
3. What is the relationship between the lungs of a human and the chloroplasts of a greenhouse plant
in the oxygen cycle? (4 points)
Answers
Answer:
Lungs in human is the site where gaseous exhange takes place hence reducing oxygen in the cycle while Chloroplasts are kinda species of the green pigment ( chlorophyll ) which enables photosynthesis which requires oxygen to take place hence reducing oxygen in the cycle
What cpt® code is used to report neurorrhaphy with autogenous vein graft for one nerve?
Answers
The CPT® code used to report neurorrhaphy with autogenous vein graft for one nerve is 64912. CPT® (Current Procedural Terminology) is a set of medical codes maintained by the American Medical Association (AMA) and is widely used for reporting medical procedures and services.
Neurorrhaphy refers to the surgical repair or reattachment of a nerve, and an autogenous vein graft is a surgical technique that uses the patient's own vein as a conduit to bridge a gap between nerve ends. The specific CPT® code 64912 is designated for "Neurorrhaphy, with vein graft (includes harvest of graft)." This code is used to report the surgical procedure of suturing or connecting a nerve using an autogenous vein graft as part of the repair. It represents a single nerve repair with an autogenous vein graft. It's important to note that correct coding depends on the specific details of the procedure performed, and it is always recommended to consult the official CPT® codebook and any relevant coding guidelines, as well as follow any payer-specific rules and regulations when reporting medical procedures.
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glucose molecules are to starch as ________ are to proteins.
Answers
Answer:
Amino acids
Explanation:
Glucose molecules are to starch what amino acids are to proteins; the glucose molecules are the monomeric units of the starch, just as the amino acids are the monomeric units of the protein.
What is the significance of the monomers?Polymers such as starch, protein, and fatty acids are found in living bodies such as those of animals and plants and polymers are made up of monomeric units such as glucose monomers that are bonded to each other by glycosidic bonds make starch, and amino acids are the monomeric units of proteins that are bonded by peptide bonds. These are necessary for the storage molecule, as well as for the cell's structural and functional units.
Hence, glucose molecules are to starch what amino acids are to proteins; the glucose molecules are the monomeric units of the starch, just as the amino acids are the monomeric units of the protein.
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A+B + C + energy - ABC
Which best describes the reaction above?
Choose 1 answer:
А
It is an anabolic reaction.
B
It illustrates cellular respiration.
It is an exergonic reaction.
It is a catabolic reaction.
Answers
Answer:
Anabolioc reaction
Explanation:
When the reactants combine to for large complex molecule using energy, it is referred as an anabolic reaction. Thus, option A is correct.
What are metabolic reactions?
Metabolic reactions are defined as the biochemical reactions in which either the subtrates are broken down in the step-wise manner to release energy or the reactants combine by using energy and form large molecules.
Thus, metabolic reactions include catabolic reactions that releases energy for various cellular processess and anabolic reaction which utilizes energy for biosynthesis of biomolecules.
Daily many metabolic reactions take place in the body. For eg., In digestion and absorption, the nutrients are broken down into simple forms and energy is released. This energy is then utilized for the cellular activities and for the synthesis of macromolecules in the body.
Thus, metabolic reactions are important for the biochemistry of an living organism.
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Why is soil important to plants? a. It provides them with nutrients. B. It provides them with water. C. It provides them with a medium for growth. D. All of the above Please select the best answer from the choices provided A B C D.
Answers
Answer:
D
Explanation:
Soil does all the things listed
Answer:
D. All of the above
Explanation:
Identify the structures on the right.
Label A
Label B
Label C
Label D
Answers
Answer:
Dna
histone
chromosome
nucleus
Explanation:
Answer:
DNA, Histone, Chromosome, Nucleus .
Explanation: