D. A Guide to family research
Answer:
D
Explanation:
A guide to family research is a source, but it is not primary. A primary source is not presented by a third party; it is direct.
Predict a potential outcome of a mutated MAD protein
MAD protein are mutants cells and they can be refers to as mitotic arrest deficient. MAD protein act by recruiting the anaphase inhibitor MAD2 to dissociate kinetochores and its essentials from MAD2-CDC20 complex formation in vivo.
However, there mutation will produce defective protein and checkpoint failure by resulting into aneuploidy. Aneuploidy is when a cell finishes the process of mitosis and produces daughter cells with few or too many chromosomes and aneuploidy causes more than 90% of human cancer.
The potential outcome of a mutated MAD protein is development of aneuploidy in daughter cell.
Further Explanation:
The cell cycle is referred as the prearranged flow of steps that include the cellular division as well as cell growth. This cycle form two new daughter cells. The cycle is begins with the interphase. In this phase, mainly the cell replicates and matures its DNA.
The second stage of a cell cycle is the mitosis or M phase. Mitosis is a kind of cell division. In this, parental cells divide into two daughter cells which have the same number of chromosomes as that of the parent cell
MAD protein is a kind of a protein that mainly present in humans and this protein is encoded by MXD1 gene. This protein is mutant cell that is referred as mitotic arrest deficient. This protein has a role in recruiting an inhibitor MAD-2 which is anaphase inhibiter help in dissociating the kinetochores.
Development of any Mutations in the MAD protein can develop a defective protein and malfunction of the checkpoints. The cell ends the cell cycle by the last stage which mitosis. In the presence of mutated MAD protein daughter cell cannot develop properly. Daughter cell can have very low or high number of chromosome and can result in aneuploidy condition. Mainly aneuploidy cell develop or result in cancer cell.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Cell Cycle
Keywords:
Cell cycle, parent cell, mitosis, aneuploidy, daughter cell, protein, MAD, mutated protein, encoded, human, checkpoints, cancer cell, daughter cell, chromosome.
What do you know regarding ischemia that is confined to only the posterior and or lateral segments of the left ventricle?
What naturally occurring cleanser helps to remove pollutants from the atmosphere?
In multicellular organisms, specialized cells perform specialized functions. Which of the following cells is specialized for engulfing foreign material?
determine the genotype of the parents if the father is blood type A, the mother is blood type B, the daughter is blood type O, one son is blood type AB, and the other son is blood type B
The father with blood type A and the mother with blood type B have genotypes AO and BO, respectively. This is evidenced by their children with blood types O, AB, and B, which indicates that both parents carry an O allele necessary for blood type O and alleles A and B for the AB blood type, demonstrating co-dominance in ABO blood group inheritance.
Explanation:Genotype Determination Based on Blood Types
If the father's blood type is A and the mother's blood type is B, and they have children with blood types O, AB, and B, we can determine their genotypes. Blood type A can have the genotype AO or AA, and blood type B can have the genotype BO or BB. However, because they have a daughter with blood type O, which is recessive and has the genotype ii, both parents must carry the O allele. Therefore, the father's genotype must be AO, and the mother's genotype must be BO. Moreover, the presence of a son with blood type AB confirms that both parents must have provided an A and a B allele, respectively, indicating the co-dominance of these alleles. Thus, the parents' genotypes are determined to be AO for the father and BO for the mother, as these genotypes can produce offspring with all possible ABO blood types.
The information provided indicates that ABO blood group inheritance works on a co-dominance basis where A and B alleles are dominant over O. For the couple in question, they can indeed produce children with all four blood types (A, AB, B, and O) given their AO and BO genotypes.
What situation is an example of artifical selection?
A) Female bluegill fish prefer to lay their eggs in the nests of larger male fish.
B) Albino deer or rabbits have a low survival rate in nature, because it is easy for predators to spot them.
C) Penguins with higher body fat tend to survive nesting in the Antarctic winter, while leaner penguins often die.
D) More African elephants today naturally lack tusks compared to the elephant populations 100 years ago, because big game hunters sought elephants for ivory.
The correct answer is D. More African elephants today naturally lack tusks compared to the elephant populations 100 years ago, because big game hunters sought elephants for ivory.
Explanation:
In biology, selection occurs as certain organisms with adaptative characteristics prevail over time as they are more likely to reproduce and survive, while organisms with other characteristics disappear. This process can occur by artificial means as human beings intervene in selection.
According to this, the one that is an example of artificial selection is "More African elephants today naturally lack tusks compared to the elephant populations 100 years ago, because big game hunters sought elephants for ivory", because in this case, elephants without tusks are more likely to survive and reproduce and due to this, they are more common today which explains selection. However, this process occurred mainly because of poachers which means there is intervention from human beings and therefore the selection is artificial.
How have scientific advancements helped reduce the impact of hazardous events on society?
a. Scientific advancements have led to the ability to detect some hazardous events before they occur, allowing society to plan for them, mitigating their damage. b. Scientific advancements have led to the ability to prevent hazardous events. c. Scientific advancements have led to the ability to detect all hazardous events, preventing damage to society. d. Scientific advancements have not reduced the impact of hazardous events on society.
Answer:
A. Scientific advancements have led to the ability to detect some hazardous events before they occur, allowing society to plan for them, mitigating their damage.
Explanation:
The original pith is still located in the center of the stem (inside the vascular bundles). What type of cells makes up the pith?
Parenchyma cells
Explanation;The pith is a part of the Ground tissue together with the cortex. The cortex is located to the outside and/or around the vascular bundles, while the pith is locate in the center of the stem. Both the cortex and pith are composed mainly of parenchyma cells. On the other hand collenchyma cells give support to the stem and may occur under the epidermis in the cortex.Pith is composed of soft, spongy parenchyma cells, which store and transport nutrients throughout the plant.how do scientist measure objects in space
You were instructed to compare the growth on the na and pea plates
Which conditions need to be in balance for cells to function? Check all that apply.
blood sugar
food intake
body water
body temperature
body mass
The smallest fundamental of any living organism is called a cell. Blood sugar, body temperature and water are the conditions needed by the cell.
What are the factors needed by the cell?The proper balance and maintenance of the factors are necessary for the cell as they regulate and maintain the cell function and activities. The homeostasis and the function of the cells are maintained by some factors.
Blood sugar is the energy source for the cell to function and carries out the process of the metabolism of the body. The biochemical reaction of the body needs the balance of the water and the temperature.
The normal level of the water and temperature needs to be maintained in the body so that the biochemical reactions can occur properly and the cells do not damage.
The excess or less amount of water will lead to osmosis imbalance and the change in the temperature will affect the enzymes needed for the reactions.
Therefore, options A. Blood sugar, C. body water and D. temperature are correct.
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please tell me the protons neutrons and electrons of americium
which material are you most likely to find in the O horizon
Undecomposed material
Read the paragraphs and answer the question that follows.
Over the past 500 years, four large earthquakes have occurred near the same location along a continental-continental transform fault in North America. After scientists observed a nearby stream that crossed the fault, they concluded that the earthquakes had offset the stream by 60 yards from its original course. Thus, on average, each earthquake caused the crust along the fault to slip about 12 yards. The earthquakes caused a lot of damage, as well as dramatic changes to the local ecosystem.
Another area in the fault also experienced a shift in location of 60 yards over 2,000 years. But it did so without suffering a violent earthquake. In this area, the crust along the fault slipped about an inch every year. The slip caused several rock formations and structures to develop cracks. However there was no large-scale disaster or disruption.
Which two conclusions can be drawn based on this information?
Answer:
The answers are B and E.
Explanation:
A scientist observed the formation of hundreds of maggots and many flies on a rotting meat slice exposed to the environment. What most likely formed the maggots?
A. Water vapor present in the surrounding air
B. Eggs of flies in the surroundings
C. Nutrient crystals in the meat
D. Oxygen in the environment
eggs of flies in the surroundings is the answer.
What process do cells use to engulf larger substances, encase them in vesicles, and bring them into the cell?
List the three bacterial species in order of their increasing fastidiousness
In order of increasing fastidiousness, the list of bacterial species starts with Escherichia coli, followed by Staphylococcus aureus, and ends with Micrococcus luteus, with E. coli being the least demanding and M. luteus the most demanding in terms of growth requirements.
The term fastidiousness in biology refers to the level of nutritional and environmental specificity that bacteria require for growth. To list bacterial species in order of their increasing fastidiousness is to arrange them from the least demanding to the most demanding in terms of the growth conditions they require. Including the bacterial species provided in the question, we can list Escherichia coli (E. coli), Staphylococcus aureus (S. aureus), and Micrococcus luteus based on their typical fastidiousness.
Escherichia coli, a Gram-negative coliform species, is known for its ability to grow in a variety of environments with minimal nutritional requirements, which classifies it as the least fastidious of the three. In contrast, Staphylococcus aureus, a Gram-positive species, is moderately fastidious, requiring more specific nutrients and conditions than E. coli, but still capable of growing in many environments. Lastly, Micrococcus luteus is considered highly fastidious, requiring specific nutrients and conditions not necessary for the growth of the other two species, making it the most fastidious in this list.
Therefore, the bacterial species in order of increasing fastidiousness are:
Escherichia coliStaphylococcus aureusMicrococcus luteusState three ways scientists base their identifications of evolutionary relationships.
What is the evolutionary value of mutations?
Mutations are crucial for evolution as they are the primary source of genetic variation. Although most mutations are neutral or harmful, some can be beneficial, leading to better adaptation and evolution. This genetic diversity allows for natural selection and the survival of the fittest.
Mutations are changes to an organism's DNA and are an important driver of diversity in populations. They serve as the ultimate source of genetic variation, which is crucial for evolution. Without them, evolution would not occur.
Most mutations are neutral or harmful, but a small percentage can have beneficial effects, leading to new versions of proteins that enable better adaptation to environmental changes. This genetic diversity allows some individuals to have a survival advantage, leading to natural selection and subsequently, evolution.
For instance, a gene might encode a product with an essential function as well as a potentially useful function for reproductive success. Mutations that enhance these additional functions will persist in the gene pool if they do not overly hinder the gene's primary function. This balance is essential for the flexibility of evolutionary mechanisms.
Which is not a kind of conifer?
A) cedar
B) hemlock
C) sphagnum
D) fir
Answer: C) Sphagnum
Explanation:
Conifers are trees which produce cones. They bear cones that carry their seeds which are housed inside to spread their next generations .Typically, they have needle-like leaves to relate to the atmosphere and sunlight. Almost all of them are evergreen. Examples include pine, fir, cypress and hemlock
Sphagnum is a type of moss .
ANSWER:
Sphagnum is not a kind of conifer. Sphagnum is a moss and is basically a genus of 380 different species of mosses.
EXPLANATION:
It is commonly known as peat moss. These mosses can store a large quantity of water in them and therefore provide habitat for a wide array of peat-land plants. It does not decay readily and can also acidify the environment. The moss has a main stem with a cluster of branches that may be hanging or spread across.It is possible for a mix up to occur between fictitious and factual information.
Yes, it is absolutely possible for a mix up of factual information with fictitious information while interpretating or recalling the information after a considerate period of time.
What is the difference between facts and fiction?Fact is considered as an information or an event which is based on truth. It is proven and it cannot be altered whereas fiction can be an imaginary creation where the information is falsely interpretated. It is based on thought and perception.
Facts provide accuracy to the information while fiction is deviated from the reality. It does not bear resemblances however one can connect fiction with fact.
Facts can include plain data whereas fiction can have elements of emotion, thriller, fantasy, action etc in it. It is possible to include facts in fiction but not vice-versa.
Thus, facts can be mentioned in books, biographies, news or reports whereas fiction can be seen in movies, plays and in novels.
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Scientists at Russia’s Vostok Station in eastern Antarctica drilled the longest ice core ever recorded. They compiled this graph using the data collected from the ice core. This plot shows the temperature, carbon dioxide (CO2), and dust levels up to 400,000 years ago. Which statement best summarizes the data in the graph?
Answer:
The answer is D.
Explanation:
In your own words summarize what you learned during the course of this activity
What I learned during this activity is how to properly set up a slide for viewing. I learned how to focus a microscope to make the image from the ocular more clear. How to view the different parts of a cell using dye to brighten up the key parts of the cell such as the cells Membrane, Cytoplasm, Nucleus, Ribosomes, Lysosomes, Mitochondria.
What is the activity?
A particular gene can have 2 forms, called alleles.Which statement best describes the difference between the dominant allele and the recessive allele?
A) only the dominant allele is expressed when the both allele are inherited
B) only recessive allele is expressed when both allele are inherited
C) the recessive allele is expressed only if it moves to a different chromosome
D) the dominant allele can be expressed only if two homologous chromosomes have it
At high noon, you're laying on the beach. You can feel _____ air coming from _____.
What are 5 Clever Way psychologists have for measuring implicit forms of prejudice?
Write a paragraph comparing the organelles in a cell to the organs in your body.
Organs perform specific functions in the body to keep it alive. Organelles perform specific functions in cells to keep them alive.
In the gene pool of a population with 350 individuals, a fixed allele has a frequency of
A fixed allele in a population is one where every individual carries the same version of a gene. This means its frequency is 100% in the gene pool, representing complete prevalence in the population's genetic diversity. The study of allele frequency and gene pools is vital in understanding evolution and genetic variation.
Explanation:The concept of a fixed allele refers to a situation in a genetic makeup where every individual in a population carries the same version (allele) of a gene. In population genetics, the allele frequency, or gene frequency, is the rate at which a specific allele appears within a population. Overall, it's a crucial concept in studying how populations evolve over time. For instance, if an allele provides a survival advantage, it can become more common throughout generations, eventually reaching a point where it's the only version present in the population (a fixed allele).
A gene pool, on the other hand, is the total number of genes of every individual in an interbreeding population. It represents the genetic diversity within a population. So, in a population of 350 individuals, if an allele is fixed, it means that the frequency of that allele is 1 or 100%, as every individual in that population carries that particular allele in their genetic makeup.
An understanding of allele frequency and gene pools is essential to study and understand the process of evolution and genetic variation within a population. Factors like mutation, gene flow, genetic drift, and natural selection all influence the frequency of an allele in a population.
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Which is an energy conversion that occurs during cellular respiration?
What two chromosomes do males have for gender?
X chromosomes
Y chromosomes
X and Y chromosomes
Sperm cells do not contain sex chromosomes
Answer:
it would be c males have X and Y
Explanation: