Unkn0wn

This page lists questions and answers that were posted by visitors named Unkn0wn.

Questions

The following questions were asked by visitors named Unkn0wn.

Answers

The following answers were posted by visitors named Unkn0wn.

so confused
4 years ago
@freddy fazballs Just gave you Like number 50
3 years ago
A tall pea plant is crossed with a short pea plant. Half the offspring are tall and half are short. How would you designate the allele for tallness?(1 point) Responses Tt Tt TT TT T T tt
1 year ago
Which statement is the first step of protein synthesis?(1 point) Responses Amino acids are linked together with peptide bonds. Amino acids are linked together with peptide bonds. DNA unzips between the base pairs. DNA unzips between the base pairs. A ribo...
1 year ago
Which statement is true?(1 point) Responses Amino acids form a polypeptide chain via carbon-carbon bonds. Amino acids form a polypeptide chain via carbon-carbon bonds. tRNA is attached to specific proteins in the cell’s cytoplasm. tRNA is attached to spec...
1 year ago
Which statement about cystic fibrosis is true?(1 point) Responses Carriers have an advantage over people who do not have the cystic fibrosis mutation. Carriers have an advantage over people who do not have the cystic fibrosis mutation. Cystic fibrosis is...
1 year ago
What benefit does using the CRISPR technique have in creating GMOs?(1 point) Responses CRISPR can result in infertile hybrids. CRISPR can result in infertile hybrids. It eliminates all risk of mutation. It eliminates all risk of mutation. Diversity within...
1 year ago
What is the phenotype of a mouse that has the genotype Bb where B is the gene for black fur and b is the gene for brown fur assuming this gene follows a Mendelian inheritance pattern?(1 point) Responses fur with brown hairs fur with brown hairs fur with b...
1 year ago
A tall, heterozygous pea plant is crossed with another tall, heterozygous pea plant. What is the probability that an offspring will be a short plant?(1 point) Responses 0% 0% 75% 75% 50% 50% 25% 25% Skip to navigation
1 year ago
Which of the following mutations would be most likely to have a harmful effect on an organism?(1 point) Responses a substitution of a thymine for an adenine a substitution of a thymine for an adenine there is not enough information to know whether a mutat...
1 year ago
Which statement best describes why Punnett squares are useful?(1 point) Responses Punnett squares are used to predict all possible allele combinations and their frequencies in offspring. Punnett squares are used to predict all possible allele combinations...
1 year ago
What color would a dog's fur be if its genes are aabb? (1 point) Responses yellow yellow brown brown black black white white Skip to navigation
1 year ago
Which of the following statements is most consistent with the DNA Hypothesis? The amount of DNA will generally increase from cell type to cell type as the number of:(1 point) Responses chromosomes in the nucleus increases from cell type to cell type. chro...
1 year ago
According to the Protein Hypothesis, which of the following observations provides the strongest evidence that genes are NOT composed of DNA ?(1 point) Responses DNA is composed of only 4 types of nucleotides. DNA is composed of only 4 types of nucleotides...
1 year ago
Which of the following correctly orders events during mitosis?(1 point) Responses The nuclear membrane dissolves. Microtubules organize the chromosomes. The mitotic spindle attaches to chromosomes. The nuclear membrane dissolves. Microtubules organize the...
1 year ago
In what phase of mitosis do chromosomes split into sister chromatids?(1 point) Responses prophase prophase cytokinesis cytokinesis telophase telophase anaphase
1 year ago
Skin cells(1 point) Responses become senescent quickly. become senescent quickly. have terminally differentiated. have terminally differentiated. become quiescent quickly. become quiescent quickly. are stem cells. are stem cells. Skip to navigation. Only...
1 year ago
Which cell type undergoes terminal differentiation?(1 point) Responses heart cells heart cells epithelial cells epithelial cells hair cells hair cells stem cells stem cells Skip to navigation
1 year ago
In eukaryotic cells, DNA replicates in the(1 point) Responses cell membrane. cell membrane. cytoplasm. cytoplasm. nucleus. nucleus. endoplasmic reticulum. endoplasmic reticulum. Skip to navigation
1 year ago
Which of the following is a function of mitosis? (1 point) Responses to send chemicals signals throughout the body to send chemicals signals throughout the body to make a cell exit the cell cycle to make a cell exit the cell cycle to repair damaged tissue...
1 year ago
What replicates during mitosis?(1 point) Responses cells cells organelles organelles proteins proteins cytoplasm cytoplasm Skip to navigation
1 year ago
Which answer choice correctly lists the steps of mitosis in order? (1 point) Responses Telophase, anaphase, metaphase, prophase Telophase, anaphase, metaphase, prophase Prophase, metaphase, anaphase, telophase Prophase, metaphase, anaphase, telophase Meta...
1 year ago
What is unique about stem cells?(1 point) Responses They are unspecialized. They are unspecialized. They are differentiated. They are differentiated. They are only found in plants. They are only found in plants. They are only found in embryos.
1 year ago
How do cells become specialized? (1 point) Responses Genetically identical cells undergo differentiation to make them genetically unique. Genetically identical cells undergo differentiation to make them genetically unique. Mitosis creates genetically uniq...
1 year ago
How do cells respond if a complex organism is injured?(1 point) Responses Cells work to repair the injured area through meiosis. Cells work to repair the injured area through meiosis. Nearby cells change into stem cells in order to repair the injury. Near...
1 year ago
Which phase of mitosis is characterized by each pair of sister chromatids moving to opposite sides of the cell?(1 point) Responses metaphase metaphase prophase prophase telophase telophase anaphase
1 year ago
In which mitotic phase does the process of cytokinesis conclude?(1 point) Responses interphase interphase telophase telophase metaphase metaphase prophase prophase Skip to navigation
1 year ago
What is the name given to the process by which a parent cell becomes two identical daughter cells?(1 point) Responses senescence senescence mitosis mitosis meiosis meiosis differentiation differentiation Skip to navigation
1 year ago
A scientist looks into a microscope and sees that replicated chromosome pairs are lined up in the center of a cell. The scientist then sees the mitotic spindle from each side of the cell attach to a chromosome. Which mitotic phase is the scientist likely...
1 year ago
Which of the following describes when the cell leaves the cell cycle and no longer divides?(1 point) Responses mitosis mitosis senescence senescence differentiation differentiation interphase interphase Skip to navigation
1 year ago
Consider the three different types of stem cells. Each one’s ability to differentiate into new cells is slightly different. One type can differentiate into any cell, while another can only become specific cells. Select the answer that places the three typ...
1 year ago
Gene expression is determined by several factors, including(1 point) Responses the brain the brain protein synthesis protein synthesis senescence senescence chemicals in the body chemicals in the body Skip to navigation
1 year ago
Which of the following would be an environmental factor that could affect gene expression? (1 point) Responses sex of the organism sex of the organism number of organisms in the group number of organisms in the group organ of the organism organ of the org...
1 year ago
Why do heart cells have different characteristics than skin cells?(1 point) Responses Heart cells have different DNA than skin cells. Heart cells have different DNA than skin cells. Heart cells reproduce by cell differentiation. Heart cells reproduce by c...
1 year ago
Which change would likely result from proliferation?(1 point) Responses an organism's cells multiply many times adding mass to the organism an organism's cells multiply many times adding mass to the organism an organism's cells combine many times adding m...
1 year ago
Which of the following is true about cell differentiation when the body tries to heal from an injury?(1 point) Responses Cells grow during the synthesis phase of the cell cycle in preparation for senescence. Cells grow during the synthesis phase of the ce...
1 year ago
Are your heart cells the same as your brain cells? Why or why not?(1 point) Responses  Yes, during mitosis, the resulting daughter cells are identical which means that all cells in the body are the same. Yes, during mitosis, the resulting daughter cells...
1 year ago
How is the idea that "American Chinese food is not really Chinese" introduced in this paragraph? * by sharing an anecdote about American Chinese food in China by offering a compare and contrast between American Chinese food and actual Chinese food by givi...
1 year ago
What is the relationship between the Belleville Three and techno music? * The Belleville Three popularized European techno. The Belleville Three invented techno. The Belleville Three adapted techno for dancing. The Belleville Three modified techno with th...
1 year ago
Why does the author mention house music in this paragraph? * to contrast the popularity of techno with the lack of popularity of house music to compare the popularity of house in Europe with the popularity of techno in the U.S. to show how the popularity...
1 year ago
Identify two (2) passages that are correctly punctuated. * Because their response to changes in the environment is simply that, a response. animals cannot be relied upon to predict natural disasters, there is no proven pattern of behavioral responses that...
1 year ago
What is a limitation of this diagram? (1 point) Responses It does not show that mitosis creates more than two daughter cells. It only shows a polyploidy cell in mitosis. It does not show that mitosis creates more than two daughter cells. It only shows a p...
1 year ago
What is a limitation of a pictorial-only model of mitosis that shows detailed images of the different phases of the process?(1 point) Responses It does not name the different phases of mitosis. It does not name the different phases of mitosis. The divisio...
1 year ago
According to the figure, mitosis occurs after which stage in the cell cycle? (1 point) Responses G1 G1 M M G2 G2 S S Skip to navigation
1 year ago
Which model most accurately represents the process of mitosis? (1 point) Responses A model with all four phases of mitosis in order, showing the chromosomes inside. A model with all four phases of mitosis in order, showing the chromosomes inside. A model...
1 year ago
In which phase of mitosis does DNA condense into chromosomes?(1 point) Responses telophase telophase prophase prophase interphase interphase metaphase
1 year ago
Mitosis is the only type of cellular division in which(1 point) Responses one parent cell duplicates itself into four daughter cells. one parent cell duplicates itself into four daughter cells. the genetic material differs between the parent and daughter...
1 year ago
An epithelial cell replicates 16 times before entering a state of quiescence. These replicate daughter cells are(1 point) Responses genetically the same as the parent cell. genetically the same as the parent cell. further differentiated into specialized c...
1 year ago
In which phase of mitosis are the chromosomes separated and pulled to opposite sides of the cell?(1 point) Responses anaphase anaphase prophase prophase telophase telophase metaphase metaphase
1 year ago
Two new nuclei are formed during which phase of mitosis?(1 point) Responses prophase prophase telophase telophase metaphase metaphase anaphase anaphase
1 year ago
Mitosis is a part of the cell cycle that occurs in all of the following except(1 point) Responses bacteria bacteria zooplankton zooplankton protozoans protozoans phytoplankton
1 year ago
Which best describes the relationship between a parent cell and daughter cells in mitosis?(1 point) Responses Parent cells share new types of DNA to daughter cells to ensure diversity. Parent cells share new types of DNA to daughter cells to ensure divers...
1 year ago
Consider the process of gene expression. Select the answer that places the steps of gene expression in the correct order.(1 point) Responses RNA spliced → DNA transcribed → mRNA translated → ribosomes make proteins RNA spliced → DNA transcribed → mRNA tra...
1 year ago
Which process is being shown in this image? (1 point) Responses cell differentiation cell differentiation mitosis mitosis gene expression gene expression senescence senescence
1 year ago
An increase in cell population is called(1 point) Responses apoptosis. apoptosis. cell differentiation. cell differentiation. proliferation. proliferation. fibroblast. fibroblast.
1 year ago
Which cells are responsible for blood clotting?(1 point) Responses platelets platelets macrophages macrophages fibroblasts fibroblasts basal cells basal cells
1 year ago
Which statement explains a potential benefit of being a naturally polyploid organism, such as a banana or an amphibian?(1 point) Responses Natural polyploidy may protect a cell from harmful mutations. Natural polyploidy may protect a cell from harmful mut...
1 year ago
Benzene, a by-product found in cigarettes, increases the risks of cancer and(1 point) Responses high blood pressure. high blood pressure. chronic bronchitis. chronic bronchitis. miscarriage. miscarriage. susceptibility to infections.
1 year ago
What general type of cell do fibroblasts make?(1 point) Responses blood blood neural neural heartPlace the phases of a stem cell into the correct order.(1 point) Responses mitosis, specialization, gene expression mitosis, specialization, gene expression d...
1 year ago
During mitosis, what happens to the parent cell?(1 point) Responses It produces 4 daughter cells. It produces 4 daughter cells. It produces 1 daughter cell. It produces 1 daughter cell. It produces 2 daughter cells. It produces 2 daughter cells. It produc...
1 year ago
Mitosis:(1 point) Responses takes one cell and replicates it into two genetically identical cells. takes one cell and replicates it into two genetically identical cells. takes one cell and replicates it into four cells, each with half of the original cell...
1 year ago
Immediately after an embryo forms, it begins to replicate new cells. What is the most likely type of cells that form during the first few divisions?(1 point) Responses oligopotent cells oligopotent cells pluripotent cells pluripotent cells totipotent cell...
1 year ago
Why is mitosis a longer and more complicated process of cell division than binary fission?(1 point) Responses Mitosis has check points that must be met to continue the cycle Mitosis has check points that must be met to continue the cycle Binary fission pr...
1 year ago
Some differentiated cells become senescent almost immediately, leaving the cell cycle and undergoing terminal differentiation. Other cells have a high need to proliferate in order to grow and repair the organ or tissue, so they do not enter senescence for...
1 year ago
When scientists and doctors are looking to heal wounds and cure diseases, stem cells are a great option because they can repair damage and grow new specialized cells. From the list, which type of stem cell would be the best option for healing the widest v...
1 year ago
What is the importance of microtubules in cell division?(1 point) Responses They reform the nucleus in the divided cell. They reform the nucleus in the divided cell. They start the process of cytokinesis. They start the process of cytokinesis. They provid...
1 year ago
How is cell differentiation different than mitosis?(1 point) Responses Cell differentiation does not cause proliferation. Cell differentiation does not cause proliferation. Cell differentiation produces cells with different gene expressions. Cell differen...
1 year ago
type of cell is shown in the figure? (1 point) Responses triploid cell triploid cell haploid cell haploid cell diploid cell diploid cell polyploid cell polyploid cell Skip to navigation
1 year ago
What is a strength in the figure? (1 point) Responses The figure shows stem cell differentiation. The figure shows stem cell differentiation. The figure shows structures in a cell. The figure shows structures in a cell. The figure shows where mitosis occu...
1 year ago
15 of 1615 of 16 Items Question The cell cycle includes the phases interphase, mitosis, and cytokinesis. Drag and drop each cell process into the table to show the phase in which the process occurs. (3 points) Put responses in the correct input to answer...
1 year ago
Explain what it most likely means for a daughter cell to be identical to its mother cell:(1 point) Responses A daughter cell is "identical" to its mother cell if it contains the same composition of organelles A daughter cell is "identical" to its mother c...
1 year ago
Predict why daughter cell II will or will not be considered a product of mitosis.(1 point) Responses Daughter cell II will be considered a product of mitosis because it has the same amount of DNA as the parent cell. Daughter cell II will be considered a p...
1 year ago
Describe the relationship between cell III and the mother cell seen above.(1 point) Responses Cell III is not identical to the mother cell but is still produced when it undergoes a meiotic division. Cell III is not identical to the mother cell but is stil...
1 year ago
The inheritance pattern of one gene will not affect the inheritance pattern of another gene. This is known as(1 point) Responses random distribution. random distribution. genetic variation. genetic variation. crossing over. crossing over. independent asso...
1 year ago
Which of the following is a difference between phase I and phase II of meiosis?(1 point) Responses Genetic variations can only occur during phase II of meiosis. Genetic variations can only occur during phase II of meiosis. Anaphase, metaphase, and telopha...
1 year ago
During meiosis, non-sister chromatids may exchange sections of DNA leading to genetic diversity. What is this process called?(1 point) Responses independent assortment independent assortment crossing-over crossing-over karyotypes karyotypes nondisjunction...
1 year ago
What is heredity?(1 point) Responses the exchange of genetic information to create new variation the exchange of genetic information to create new variation the random distribution of chromosomes to produce new genetic combinations the random distribution...
1 year ago
DNA segment has base order CCC ATA GCT. Which copy exhibits a deletion in the first codon triplet and then a substitution mutation?(1 point) Responses CCA ATA GCT CCA ATA GCT CCA TAA CT CCA TAA CT CCC TAG CT CCC TAG CT CCA TAG CT CCA TAG CT Skip to naviga...
1 year ago
Which type of mutation causes cystic fibrosis?(1 point) Responses silent silent deletion deletion substitution substitution insertion insertion Skip to navigation
1 year ago
Which statement about chromosomes is true?(1 point) Responses DNA contains chromosomes. DNA contains chromosomes. The same number of chromosomes appears in haploid and body cells. The same number of chromosomes appears in haploid and body cells. Chromosom...
1 year ago
Which modification affects an organism’s expressed characteristics while leaving its DNA sequence unchanged?(1 point) Responses deletion mutation deletion mutation epigenetic change epigenetic change insertion mutation insertion mutation substitution muta...
1 year ago
Epigenetic changes are generally(1 point) Responses heritable changes in genetic sequences of a population. heritable changes in genetic sequences of a population. not heritable genetic changes that are specific to an individual. not heritable genetic cha...
1 year ago
Meiosis produces(1 point) Responses hydrogen molecules hydrogen molecules gamete cells gamete cells skin cells skin cells RNA
1 year ago
Which factor could increase the possibility of mutations in your offspring?(1 point) Responses smoking tobacco smoking tobacco having a mutation on a non-gamete cell having a mutation on a non-gamete cell nothing because mutations are not inherited nothin...
1 year ago
Epigenetics are different than mutations in that mutations:(1 point) Responses can be inherited can be inherited cannot be inherited cannot be inherited can change DNA sequences can change DNA sequences can change traits can change traits Skip to navigati...
1 year ago
What type of mutation error has occurred to cause the disorder shown?(1 point) Responses substitution substitution insertion insertion deletion deletion frameshift
1 year ago
Examine the two strands of DNA below. Which kind of mutation occurred? Original strand: AGC GTA CCC TAC New strand: AGC GTA ACC TAC (1 point) Responses frameshift frameshift substitution substitution deletion deletion insertion insertion Skip to navigatio...
1 year ago
Millions of years ago, the ancestors of giraffes had short necks and used to eat leaves from the bushes on the ground. A genetic mutation caused one giraffe's neck to be taller. This long-necked giraffe was able to eat leaves that were higher up on trees....
1 year ago
What is one way that a frameshift mutation could occur? (1 point) Responses three nucleotides are deleted three nucleotides are deleted three nucleotides are inserted three nucleotides are inserted two nucleotides are deleted two nucleotides are deleted t...
1 year ago
The process of altering the genome of one species by adding genes from another species in order to gain a beneficial trait is known as(1 point) Responses genetic drift. genetic drift. natural selection. natural selection. artificial selection. artificial...
11 months ago
Consider the following scenario: Some fish in a murky underground lake have lighter scales than the others. This makes it slightly harder for the lighter fish to escape detection by predators, but most light-colored fish live long enough to reproduce. A n...
11 months ago
Which scenario accurately describes an example of artificial selection?(1 point) Responses A seal living in a coastal region where food is abundant thrives and reproduces because of the abundance of food. A seal living in a coastal region where food is ab...
11 months ago
Over many generations, there is a good chance that an advantageous gene will be shared by every organism of the same species or that a new species will emerge. These long-term outcomes are called(1 point) Responses adaptation. adaptation. evolution. evolu...
11 months ago
Consider the following scenario: An animal is born with a shorter tail. This makes no difference to its ability to survive or reproduce, but as a result of pure luck, the animal survives, reproduces, and passes its shorter tail down to its offspring. Over...
11 months ago
Which of the following is believed to be common among all mass extinction events?(1 point) Responses the number of species that went extinct the number of species that went extinct the type of species that went extinct the type of species that went extinc...
11 months ago
Imagine two populations of penguins live in the same ecosystem. One population begins to exchange stones as a mating ritual while the other population begins to dance by shifting from one foot to the other. Individuals from each population will only mate...
11 months ago
Human-created climate change is caused by(1 point) Responses increased use of green energy sources. increased use of green energy sources. increased oxygen in the air. increased oxygen in the air. increased carbon dioxide in the air. increased carbon diox...
11 months ago
Imagine the environment of an ecosystem changes such that it floods more often. Which species would most likely increase in numbers in this new environment?(1 point) Responses a flightless bird species that makes its nest on the ground a flightless bird s...
11 months ago
If an exotic zoo crossbreeds a tiger with a lion, it is performing(1 point) Responses biological evolution. biological evolution. natural selection. natural selection. genetic modification. genetic modification. artificial selection.
11 months ago
Rapid mass extinction may occur as a result of(1 point) Responses a catastrophic event. a catastrophic event. loss of habitat from land development. loss of habitat from land development. a few years of below-average temperatures. a few years of below-ave...
11 months ago