In which situation could a mutation be passed on to the offspring in an
organism?
A. Ultraviolet radiation causes skin cells to undergo uncontrolled cell
division.
B. The DNA of a human lung cell undergoes random breakage.
C. A primary sex cell in a human forms a gamete that contains 24
chromosomes.
D. A cell in the stomach lining of a human undergoes a chromosomal
alteration.
Answer:
C. A primary sex cell in a human forms a gamete that contains 24
chromosomes.
Explanation:
The gametes are the cells that form offspring.
your friend says he read a newspaper article suggesting researchers identified a gene for laziness. how would you explain to him why this article is misleading?
To explain that the article that the friend is reading is misleading, you must let them know that it is very unlikely that a single gene is responsible for complex human behavior, such as laziness.
In the current era of modern technology, it is so easy for people to write and publish articles containing information about what is happening in the world. Unfortunately, the articles are not always 100% accurate. Some may be misleading, some others may be flat-out false and unreliable.
To identify whether a news article is false or misleading, there are several things that can be done:
If the information contained in the article can't be verified, it is most likely a false and misleading article. The sources must be verified by professionals.If the author of the article is not an expert, the article is most likely misleading.If the site where the article is found is not legitimate, the article is false and misleading article.To make sure whether an article is accurate, the first thing you can do is to trace its source. If the source is verified by experts and updated with the newest facts, then the article is reliable. It would be much more reliable if there are more than one reliable source for the article.
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How is the scientific name of a chicken similar to its habitat?
Answer:
Domesticus is a similarity because they have always been close to humans.
Explanation:
Being domestic means to be tamed and kept by humans.
the most atp is generated during which phase of cellular respiration?
The most ATP is generated during the electron transport chain phase of cellular respiration. The electron transport chain is the final stage of cellular respiration that takes place in the inner mitochondrial membrane.
During this phase, high-energy electrons, carried by molecules such as NADH and FADH2, are passed through a series of protein complexes and carriers. As the electrons move through the electron transport chain, they transfer energy, which is used to pump protons (H+) across the inner mitochondrial membrane, creating an electrochemical gradient.
This gradient drives the synthesis of ATP through a process called oxidative phosphorylation. Each NADH molecule can produce approximately 2.5 to 3 ATP, while each FADH2 molecule can generate approximately 1.5 to 2 ATP. The electron transport chain is responsible for the majority of ATP production in cellular respiration.
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Theobroma cacao, the tree with the seeds that make chocolate, has 20 chromosomes. How many chromatids are in each cell after the G2 phase of interphase
Theobroma cacao, the tree with the seeds that make chocolate, has 20 chromosomes. After the G2 phase of interphase, each cell of Theobroma cacao, will contain 40 chromatids.
Each chromatid is a copy of a single chromosome. During the G2 phase of interphase, the cell’s chromosomes have been replicated, meaning that each chromosome has two identical copies of itself.
Chromatids are very important for the process of cell division, as they are the structures that are split in two during the process of mitosis. Chromatids are joined together at one point along their length, which is known as the centromere.
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What may be the ways for disaster management? clarify.
Answer:
Explanation:
1. Prevention:- The best way to address a disaster is by being proactive.
2. Mitigation:- Mitigation aims to minimize the loss of human life that would result from a disaster.
4. Preparedness.
5. Response.
6. Recovery.
Hope it helps.... :)
A.How did you feel when you are receiving your gift from your "manianita" (the person who picked your name,)Why?
B.How did you feel when you opened your gift? Happy / Sad? Why?
C.What values/ good attitudes that you learned from the activities that you can apply in your daily life How willyou do it?
D. What did you realize after answering all these questions?
Answer:
A. Happy because it's a gift for me
B. Happy because i just opened a gift that was sent to me
C. Solving problems and impacting it on others
D. I realized i was happy after answer the question
Infections with this organism typically either present as primary septicemia or wound infections. Septicemia likely occurs after the organism is ingested while consuming shellfish. Wound infections are associated with some type of aquatic exposure. What organism does this describe
The organism that is being described in this question is Vibrio vulnificus, which is a type of bacteria that is commonly found in warm coastal waters, especially in the Gulf of Mexico.
Infections with Vibrio vulnificus can be very serious and can even be life-threatening in some cases. When someone is infected with Vibrio vulnificus, it usually occurs in one of two ways. The first way is through primary septicemia, which means that the bacteria enters the bloodstream and causes a systemic infection.
This can happen when someone ingests contaminated shellfish, such as oysters, that are not properly cooked. When Vibrio vulnificus enters the bloodstream in this way, it can cause symptoms such as fever, chills, and low blood pressure, and can even lead to septic shock.
The second way that people can become infected with Vibrio vulnificus is through a wound infection. This typically occurs when someone has an open wound and is exposed to contaminated water, such as when swimming in warm coastal waters or handling raw shellfish.
The bacteria can enter the wound and cause a localized infection, which can be very painful and can cause swelling, redness, and skin ulcers. Overall, it is important to take precautions when handling and consuming shellfish, especially in areas where Vibrio vulnificus is known to be present.
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This is supposed to be a Venn diagram
Sort these words between Pandemics and Epidemics or both
Answer:
EpidemicBothEpidemicBothPandemicEpidemicPandemicBothPandemicPandemicPandemicExplanation:
Pandemic is a widespread occurrence of an infectious disease over a whole country or the world at a particular time.
Epidemic is a a widespread occurrence of an infectious disease in a community at a particular time.
Note: I have numbered the sentences, but they are in order. And I hope that the definitions helped.
what does a Organic compound contain
Answer:carbon, hydrogen, and sometimes other elements such as nitrogen, sulfur, oxygen, or phosphorus.
Explanation:
explain any five ways, how microganism play an important role in the field of medicine?
Explain how genetic variation and environmental factors contribute to natural selection
Explanation:
Increasing genetic variation and the environmental effects on that variation form the basis for natural selection. A species with a great deal of genetic variability is more likely to survive as a species in a changing environment than a species with limited variability.
On which of these issues did Lamarck and Darwin have similar views ?
A. The age of earth
B. Changes in the frequently of certain alleles in a population
C. Plants and animals producing more offspring than can survive
D. Adaptations to the environment
Explain how the electron transport chain uses the energy that was originally in glucose to generate ATP
The energy from glucose is used by the ETC to mediate the transfer of electrons and also the proton transfer across the membrane so that ATP can be generated to be used in various life processes.
ETC is the Electron Transport Chain. It occurs in the inner mitochondrial membrane. The purpose of ETC is to generate more and more ATP. This occurs by the transfer of electrons through a series of transporters which also mediates the proton transfer across the membrane. This generates a gradient and when energy is released from that gradient it is used in the generation of ATP.
ATP is Adenosine Triphosphate. It is the energy form prevalent in most of the living organisms. The hydrolysis of ATP releases energy which is used by an organism.
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What is the purpose of the osculum in sponges?
Answer:
It is a large opening through which the water containing waste exits the sponge. (got it correct on my quiz)
Explanation:
The osculum is the site of waste exit.
The osculum is an excretory framework in the living sponge, consisting of a large opening to the outside through which the water current exits after passing through the spongocoel.
What is a sponge?Sponges, members of the phylum Porifera, are a basal animal clade that is related to diploblasts.
They are multicellular organisms with pores and channels that allow water to circulate through their bodies, which are made up of jelly-like mesophyll sandwiched between two thin layers of cells.
The osculum is a large opening that forms the sponge's excretory tract. Contractile myocytes regulate the volume of water expelled from the sponge by determining the size of the osculum opening.
Sponge bodies have multiple pores called ostia that allow water to enter the sponge in addition to the osculum.
Porocytes, single tube-shaped cells that act as valves to regulate the flow of water into the spongocoel, form ostia in some sponges.
Thus, this is the main purpose of the osculum in sponges.
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How do you distinguish tornado and down burst at a given
location after the event had occurred? Describe in detail the role
of vorticity in the formation of the supercells
Tornadoes and downbursts are two of the most destructive weather phenomena on earth. While both of them can create strong winds, it's important to distinguish between the two to avoid confusion.
To differentiate between the two, the following steps can be taken:After the event has occurred, check the damage path. Tornadoes can leave a relatively narrow, twisted path that can be hundreds of yards long. On the other hand, the damage from a downburst is often straight-lined and can be more widespread in terms of coverage area.Check the direction of the damage. In a tornado, the damage will generally be aligned with the direction of the wind, but in a downburst, the damage will often be perpendicular to the direction of the wind.
Check the atmospheric conditions before the storm. If a tornado is expected, the atmosphere will be charged with energy and very unstable. A downburst, on the other hand, can be caused by a simple thunderstorm. So, if the atmospheric conditions were calm and there was no warning of a tornado, then it was probably a downburst.Vorticity is a term used to describe the rotation of air masses around an axis or an imaginary line. It is a crucial component of supercell formation. When wind shear is present, vorticity can be created in a supercell.
A supercell is a thunderstorm with a rotating updraft. When this happens, a horizontal tube of spinning air is created, and this tube can be stretched and rotated vertically, forming a mesocyclone. A mesocyclone is the precursor to the formation of a tornado. The strength of the vorticity in the mesocyclone is what determines whether a tornado will form or not. The stronger the vorticity, the more likely a tornado will form. Therefore, vorticity plays a significant role in the formation of supercells.
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Describe the texture of the marrow from the chicken bone?
The texture of the marrow from the chicken bone is spongy and soft in most scenario.
What is Texture?This is defined as the appearance and features of a substance when they are felt through our sense of touch.
Bone marrow contain different types of blood cells which gives it unique red and spongy appearance.
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To investigate bacterial metabolism a researcher divided a population
To investigate bacterial metabolism, a researcher divided a population (culture) of Staphylococcus capitis bacteria into two sets of culture tubes containing glucose. The researcher added a chemical to one set of tubes and measured the pH of the cultures at 5 -minute intervals as the bacteria metabolized the glucose into lactic acid. The data are shown in Table 1. Based on the data in Table 1, which of the following is the earliest time point at which there is a statistical difference in average pH between the control and treatment groups?
Statistical difference in average pH and control and treatment groups at the earliest time occured can be known by finding out the difference between the pH ranges of control and test groups at given timings..
what is pH?pH is a quantitative measure of the acidity or basicity of aqueous or other liquid solutions.
At Smin
Control pH= 7.96
Test group pH=7.91
So the difference= 7.96-791=0.05
At10 min
Control pH=7.88
Test group pH=7.85,
Difference=7.88-7.8
At 20 min
Control pH= 7.76
Test group pH=77
Difference= 7.76-7.7= 0.06
At 35 min
Control pH=7.65
Test group pH=7.60
Difference= 7.65-7.64 = 0.05
So the highest difference is 0.06 which is observed at 20 min of time.
So the earliest time point at which statistical difference observed is at 20 min.
Not only the above at 20 min,
pH of test group is 7.7 where control is 7.76 where there is drastic difference from control to test.
7-7 is the pH that is more nearer to neutral pH where 7.76 is nearer to 7.6 that is nearer to basic, So the
change from neutral to basic occured here at 20 min.
Hence, the option b is correct.
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What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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A benefit of moderate physical activity is the reduction in risk of hypokinetic disease and early death.
An individual with sedentary lifestyle might be at risk for hypokinetic diseases such as high blood pressure. Moderate physical activity such as walking and biking gives a great benefit to avoid such risk. Moderate physical activity can reduce major medical conditions that might lead to early death. Too little movement or activity might lead to hypokinetic diseases. Regardless of the intensity of the physical activity, it will lower the risk of an early death due to hypokinetic diseases.
1. Adenine 2. Thymine. vocab 3. Uracil 4. Guanine 5. Cytosine 6. Nitrogenous Base 7. Amino Acid 8. Protein 9. DNA 0. RNA 1. Double Helix 2. Enzyme 3. Gene 4. Hydrogen Bond -5. Messenger RNA (mRNA) 6. Ribosomal RNA (TRNA) 7. Transfer RNA (TRNA) 8. Nucleic Acid 9. Nucleotide O. Nucleoside 1. Nucleus 2. Ribosome 13. Phosphate Group 4. Protein Synthesis 5. Transcription 6. Translation 7. Mutation
Answer:
1. Adenine 2. Thymine. vocab 3. Uracil 4. Guanine 5. Cytosine 6. Nitrogenous Base 7. Amino Acid 8. Protein 9. DNA 0. RNA 1. Double Helix 2. Enzyme 3. Gene 4. Hydrogen Bond -5. Messenger RNA (mRNA) 6. Ribosomal RNA (TRNA) 7. Transfer RNA (TRNA) 8. Nucleic Acid 9. Nucleotide OR. Nucleoside 1. Nucleus 2. Ribosome 13. Phosphate Group 4. Protein Synthesis 5. Transcription 6. Translation 7. Mutation
Explanation:
Is this your answer???
what are homologous features? explain why they are important in biological classification, and give an example of a homologous feature.
Answer: Homologous structures are organs or skeletal elements of animals and organisms that, by virtue of their similarity, suggest their connection to a common ancestor. These structures do not have to look exactly the same, or have the same function. The most important part, as hinted by their name, is that they are structurally similar.
Explanation:
The fluid mosaic model of the membrane proposed that membranes
Answer:
constant of protein hope it helps you
The distortion (change in shape) of enzyme molecules which occurs at high temperatures is known as
Why is it called yellow journalism?.
Yellow journalism is a term used to describe a type of journalism that relies on sensationalism, exaggeration, and biased reporting to attract readership.
This term originated in the late 19th century and associated with the practices of certain newspapers, particularly in the United States.
It aimed to grab readers' attention and increase newspaper sales by sensationalizing news stories, often using exaggerated headlines and dramatic illustrations.
It often relied on half-truths or misinformation to support a particular agenda or viewpoint.
It aimed to provoke strong emotional reactions from readers and exploit their fears and prejudices.
The era of yellow journalism was marked by intense competition between newspapers.
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Long ago, the tree of life was seen as having five branches.
True or False?
Answer:
false, hopefully iss right
Which of the following is a non metal that remains liquid at room temperature?
A. Phosphorous
B. Bromine
C. Chlorine
D. Helium
Answer:
B. BromineExplanation:
Bromine is the only non-metal which is liquid at room temperature.
Answer:
B
Explanation:
B. Bromine is a non-metal that remains liquid at room temperature.
It is a halogen, with the atomic number 35, and its chemical symbol is Br.
It is a highly reactive element and is typically stored in sealed containers to prevent evaporation. It is reddish-brown in color and has a strong, unpleasant odor. At room temperature, bromine is a dense liquid that is denser than water.
what deleterious outcome might occur if all humans shared exactly the same sequence for their mhc proteins
If all humans shared exactly the same sequence for their MHC proteins, then there could be a deleterious outcome in terms of immunological diversity.
This is because MHC proteins are important for presenting antigenic peptides to T cells, which is an important part of the immune response. If all humans had the same MHC proteins, then they would all be presenting the same antigens to T cells, which would reduce the ability of the immune system to respond to a wide range of pathogens. This could make the population more susceptible to certain diseases and reduce the ability of the immune system to adapt to new pathogens over time.
In addition, there is a phenomenon known as MHC restriction, in which T cells can only recognize antigenic peptides that are presented by MHC molecules that are similar to their own. This means that if all humans had the same MHC proteins, then there could be a reduced ability of T cells to recognize and respond to foreign antigens. This could also contribute to a reduction in immunological diversity and increase the susceptibility of the population to certain diseases.
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Which part of the atom has the most matter?
Answer:
Nucleus
Explanation:
Answer:
nucleus
Explanation:
1. Which plant tissue provides both mechanical strength as well as flexibility?
2. what chemical substance is deposited in the secondary wall of sclerenchyma?
3. What is crenation?
4. which structure is also called "Little nucleus"?
Answer:
1 collenchyma provides both mechanical strength as well as flexibility
Answer:
1)Collenchyma provides both mechanical strength as well
as flexibility.
2)Lignin is the chemical substance deposited in the wall of
sclerenchyma.
3) crenation describes an object's shape, especially a leaf or
describes an object's shape, especially a leaf orshell, as being round-toothed or having a scalloped edge
4)Nucleolus