A scientist wants to prevent a culture of live cells from producing a particular protein. Which of the following will the scientist most likely modify to prevent the production of the protein?

A: the DNA in the nucleus
B: an enzyme in the lysosomes
C: the polysaccharides in the cytoplasm
D: a phospholipid in the plasma membrane

Answers

Answer 1
The answer is the DNA in the nucleus

A protein is formed by the DNA going through the processes of transcription and translation. All the information needed to produce a specific protein is stored in the DNA region which corresponds to that specific protein. When there is a need for a specific protein, the DNA is transcribed into an RNA strand, and the RNA strand is then translated into a chain of amino acids that form the structure of the protein. 

A lysosome is an organelle which contains degradative enzymes and has a role in degrading proteins that have been used, or proteins that are not needed at a specific time. The polysaccharides are a structural part of the cytoplasm and they don't have a big role in the formation of proteins, and phospholipids in the plasma membrane are a structural part that keeps the shape of the membrane and they have a role in the transport of proteins.
 So to answer your question, if a scientist were to prevent the production of a specific protein, they would most likely modify the DNA segment in the nucleus of the cell that corresponds to that protein, so that when the cells start to transcribe that part of the DNA, they fail.

Related Questions

Which ions are more concentrated outside of the neuron?

Answers

cations, usually sodium (Na+)

What is it called when you carefully look at an object or a process?

Answers

Analyse

To examine something methodically to interpret or explain it.

Open reduction for a fracture uses __________ to align the ends of the bone.

Answers

Answer:

Surgery

Explanation:

In treatment of fractured bones through open fracture methodology, the care provider or the surgeon creates an opening to expose the bone and hence carry out its treatment. Open fractures involve surgery and hence they are not treated in emergency ward like other fractures instead they are treated in an operating room through an incision. In open fractures the bone pierces the skin and hence its realignment require treatment through operation only

Final answer:

Open reduction for a fracture requires surgical intervention to align the bone ends, in contrast to closed reduction which uses manual manipulation without surgery. It is necessary for more complex fractures, leading to the formation of a callus which facilitates the healing and remodeling of the bone.

Explanation:

Open reduction for a fracture uses surgical intervention to align the ends of the bone. Unlike closed reduction, which relies on manual manipulation of the bone without surgery, open reduction involves making an incision to directly access the broken bone and properly align it. This surgical procedure is particularly necessary for complicated fractures, such as those that are severely misaligned or where bone fragments need to be repositioned internally.

Common types of fractures include transverse, oblique, spiral, comminuted, and greenstick among others. After a bone is set, either through open reduction or closed, a healing process begins leading to the formation of a callus that knits the bone ends together. The body's natural bone cells, osteoclasts and osteoblasts, work to resorb dead bone and create new bone tissue within the callus until the healing is complete and the bone remodeled.

This type of graph represents _______ collected from the ________ of bird number

Answers

data;observation
You collect the data from your observations

Before cell reproduction or mitosis can proceed, what is the correct sequence of steps that must first occur?
a.chromosome replication, chromosome checking and repair, growth
b.growth of cytoplasm, duplication of cellular organelles, chromosome replication
c.replication of chromosomes, growth, duplication of cellular contents and organelles
d.growth, duplication of cell organelles, chromosome replication, repair of chromosomal errors

Answers

D.growth, duplication of cell organelles, chromosome replication, repair of chromosomal errors

Answer:

________________________________________________________________________________-

Explanation:

______

A harmful mutation can be caused by factors in the environment. True or False?

Answers

Final answer:

Environmental factors known as mutagens, which include radiation and chemicals, can indeed cause harmful mutations. These mutations can lead to diseases like cancer if the DNA damage they cause is not repaired.

Explanation:

True, a harmful mutation can indeed be caused by factors in the environment. These environmental factors are known as mutagens, which include various types of radiation (like X-rays, ultraviolet light, and nuclear radiation), chemicals (such as those inhaled by smoking), and infectious agents. While it's important to recognize that not all mutations arise from environmental exposure—some are spontaneous, occurring without external influence—mutagens can increase the mutation rate by damaging the DNA. If this damage is not properly repaired, it can lead to mutations that may be harmful, such as those that contribute to the development of cancer.

There are robust DNA repair mechanisms in place to correct such damage, but these are not always successful, leading to a mutation. An example of a harmful mutation is one that leads to the development of cancer, whereas a beneficial mutation might provide resistance to a particular disease. Notably, while induced mutations are often thought of in the context of negative outcomes like cancer, mutations in general, whether induced or spontaneous, are a fundamental part of the evolutionary process.

Describe the structure of the neuron and explain how its structure relates to the detection, generation, transmission and integration of signal information

Answers

A neuron has 3 basic parts; namely the dendrites, the cell body or the soma, and the axon. Axons are "coated" by a myelin sheath as an insulator to improve conduction velocity. 

The detection of neural impulses occurs at the dendrites which receive the impulses from another neuron. There will be generation of the message at the base of the axon called the axon hillock. Transmission will occur as the synaptic vesicles are stimulated to fuse with the terminal axon cell membrane where their contents are freed in the synapse. 

Integration happens in the brain where all responses are integrated into a sensory reaction or a motor response.

This is an observable trait of an organism that can mask the recessive trait.

Answers

This law states an organism has two different alleles for a trait and the allele that is expressed in the phenotype, masking the expression of the other allele,is said to be dominant. The allele whose expression is masked is said to be recessive.

Answer:

It is an Dominant Trait.

     I hope this helps you very much!

Explanation:

Lesions that are a different color than the color of the skin are which type?

Answers

The answer is primary lesions. There are two types of lesions; primary and secondary. Primary lesions can be acquired from birth (birthmark) or over time probably from injury. Examples of primary lesions are macules, plaque, and papule. Secondary lesions are modifications of primary lesions. They include fissures, scales, and crust.






A student divided some insect larvae into four equal groups, each having the same amount of food. Each group kept it at a different temperature, and the average length of the larvae was determined after each shedding of the exoskeleton( molt). What is one constant used in this experiment

Answers

One constant kept in this experiment is the amount of food available to the larvae.

Why is it important to know what checmicals are producded in the body as decomposition proceeds?

Answers

Measuring and understanding the chemicals that are released during decomposition can be studied and the effects of these chemicals can be measured. Effects on the environment (soil composition, water quality, animal health) can all be affected by a decomposing body. When scientists are able to understand these effects, they can better prepare and prevent the harmful effects while reaping the benefits that could be useful.

The nurse assures a breast-feeding mother that one way she will know that her infant is getting an adequate supply of breast milk is if the infant gains weight. what behavior does the infant exhibit if an adequate amount of milk is being ingested

Answers

Answer: 


Voids six or more times a day.

Exploring how indoor air pollutants lead to respiratory problems is an example of using biology to ?

Answers

to improve the human health

Using biology to explore how indoor air pollutants lead to respiratory problems involves understanding the impact of environmental factors on human health. Proper ventilation and proactive measures can significantly reduce these health risks.

Exploring how indoor air pollutants lead to respiratory problems involves using biology to understand the effects of the environment on human health. Indoor air pollutants, such as bacteria, molds, pollen, radon, and environmental tobacco smoke, can cause respiratory issues and other health problems. Most people spend a significant amount of their time indoors, making the quality of indoor air a pertinent health concern. Indoor air pollution is responsible for a substantial number of respiratory infections, particularly among sensitive groups like women and children.

To improve indoor air quality, it's crucial to ensure proper ventilation and to minimize exposure to pollutants. This can be achieved by identifying sources of pollutants, such as building materials, household products, and inadequate ventilation systems, and taking steps to reduce their impact. For example, replacing inefficient stoves with better cooking technology in households can lead to a significant decrease in health risks associated with indoor air pollution.

It is also important for students to be aware of the recommendations for reducing exposure to indoor air pollution. This includes regularly maintaining heating and cooling systems, using air purifiers, and avoiding smoking indoors. Awareness and proactive measures can contribute to healthier living environments and reduce the incidence of respiratory problems associated with poor indoor air quality.

Carbohydrate digestion begins in the _______________. select one:

a. mouth

b. stomach

c. small intestine

Answers

The correct answer is:  [A]:  "mouth" .
____________________________________________________
Final answer:

Digestion of carbohydrates begins in the mouth, due to the enzyme salivary amylase which starts breaking down complex carbohydrates into simple sugars while food is being chewed.

Explanation:

The digestion of carbohydrates begins in the mouth. This is due to the presence of an enzyme called salivary amylase that starts the process of breaking down complex carbohydrates into more simple sugars. As we chew our food, the mechanical action combines with the chemical action of salivary amylase, allowing the digestion process to begin. It is important to note that this initial process will only be able to continue if the food is in the mouth; once swallowed, the stomach's acidic environment deactivates salivary amylase.

Learn more about Carbohydrate Digestion here:

https://brainly.com/question/15927844

#SPJ6

When an oncologist is teaching about how radiation induces genomic instability, which topic should the oncologist discuss?

Answers

He/she is talking about genetic disorders. Interesting topic. An oncologist is a cancer specialist so I don't know the specific cancer disorder but I'm sure there is one.
Final answer:

Ionizing radiation like gamma-rays and X-rays can cause DNA damage, resulting in mutations if the damage is not properly repaired. These mutations can disrupt cell replication and lead to cancer. Radiation therapy targets these mutations to preferentially kill cancer cells.

Explanation:How Radiation Induces Genomic Instability

Ionizing radiation, such as gamma-rays and X-rays, can cause serious damage to the DNA within cells. This type of radiation can penetrate deep into the body, and upon interaction with cellular DNA, it can cause the formation of hydroxyl radicals leading to single- and double-stranded breaks in DNA. These breaks can disrupt the genetic material and if not repaired correctly, can lead to mutations.

When DNA is damaged, the normal process of cellular replication can be altered. Damaged DNA can result in the improper replication of cells and may give rise to cancer cells which grow in an uncontrolled manner. This is because the mutations in the DNA can affect genes that regulate cell growth and division.

Radiation therapy exploits this cell-damaging property to treat cancer by preferentially targeting rapidly dividing cancer cells. However, the susceptibility of different tissue types varies, with some tissues recovering or repairing the radiation-induced damage more efficiently than others. Researchers study the effects of radiation on different organisms to understand the impact of dose and exposure length, which may help in developing better cancer treatment strategies.

Which is the correct standard notation for 9.3 × 105?

Answers

Answer:

The standard notation of the given number is 930,000.

Explanation:

The normal way of writing numbers is called standard notation. For example: 2300, 70 and 128 etc.

The given number is

[tex]9.3\times 10^5[/tex]

It is the scientific notation of a number.

We need to find the standard notation of given number.

[tex]9.3\times 10^5=9.3\times 100000[/tex]

[tex]9.3\times 10^5=930000[/tex]

Therefore the standard notation is 930,000.

The correct standard notation for 9.3 ×10⁵is 930,000, which is obtained by moving the decimal point 5 places to the right in the coefficient 9.3.

The correct standard notation for 9.3× 10⁵ is to express the number in conventional form, which means moving the decimal point to the right 5 places, as the exponent on the 10 indicates. Therefore, 9.3  imes 10⁵ in standard notation is 930,000. The process involves understanding that each exponent on the base 10 represents the number of places to move the decimal point. In scientific notation, the coefficient 9.3 is multiplied by 10 raised to the power of 5, which results in shifting the decimal 5 places to the right, filling any empty positions with zeros. In this case, since the exponent is positive, we move the decimal to the right, turning 9.3 into 930,000.

Methylphenidate is prescribed for a 6-year-old boy with the diagnosis of attention deficit–hyperactivity disorder (adhd). the nurse teaches the father about safe medication administration and concludes that the instructions have been understood when the father says that he should administer it at which time?

Answers

Methylphenidate is a cerebral stimulant that can interfere with sleep, it should therefore not be administered within 6 hours of bedtime. It may also cause nausea, anorexia (eating disorder), and dry mouth, which interfere with appetite and adequate food intake; therefore it should be administered after the child has taken breakfast. It should be taken exactly as prescribed by the nurse or specialists and not as a needed basis.

The animal phylum most like the protists that gave rise to the animal kingdom is _____. see concept 33.1 (page 688) view available hint(s) hint 1. consider which of these exhibits the least complexity and is the "basal group" of the animal kingdom. the animal phylum most like the protists that gave rise to the animal kingdom is _____. see concept 33.1 (page 688) ctenophora porifera cnidaria lycophyta echinodermata

Answers

The answer is Porifera. This is supported by the evidences such as the lack of true tissue in sponges and the close similarity between choanocytes and choanoflagellates. Phylum porifera majorly comprises of sponges which are simple invertebrates animals that live in aquatic habitats. Most of the sponges are marine, however, Some species may live in freshwater lakes and streams. 

which of the following poses the greatest threat to fish populations in the galapagos islands?

Answers

Overfishing poses the greatest threats to the fish population in the Galapagos Islands. It is important that the fishing industry be as maintainable as possible. For fishing to be sustainable, fishermen should be able to catch enough fish to make a living from, but not to catch so many fish (commercial fishing) that the fish population is negatively affected. Catching too many fish is called overfishing. An example would be to fish for in demand endangered species which are in the protected area of the Galapagos Reserve.  Without scientific research, it can be hard for fishermen to know if they are overfishing in an area.

In ocean waves, water particles move ________ and energy moves ________. A) vertically; in circles B) in circles; horizontally C) horizontally; vertically D) horizontally; horizontally

Answers

In ocean waves, water particles move in circles and energy moves horizontally. Ocean waves are orbital progressive waves. The water molecules that make up the wave move in circles, or orbits, as the wave progresses. The ocean orbital waves get their start when wind blows on the open ocean, A gentle wind doesn't have much of an effect, but the stronger wind becomes the more it pushes against the water. It transfers energy to the water as it makes peaks and whitecaps in the water's surface.

in circles; horizontally

In ocean waves the water particles move in circles but the wave energy moves horizontally. This is the reason why a piece of wood floating in the oceans bobs up and down.

What types of activities are going on in a cell during interphase?

Answers

During the interphase, the cells grows, carries out normal functions and duplicate its DNA. So we have to two chomosomes with two chromatids in each chromosome.

There are the phase G1, G, and S phase. 

Hope this helps !

Photon

Nitrogen-fixing bacteria are important because...

A. They turn nitrogen from the air into nitrogen compounds in the soil.
B. They are essential for plants being able to carry out photosynthesis.
C. They break up dead animals in the soil.
D. They release nitrogen from the soil into the atmosphere.

Answers

The answer is , A , hope this helped!

A clean environment is critical to human health around the world. Which statement best summarizes the air pollution situation in Mexico City?
A) All cars in Mexico run on ethanol, not gasoline.
B) Mexico City has some of the cleanest air in the world.
C) Students are learning about the negative effects of air pollution.
D) Only government officials can own cars.,

Answers

The answer to this question is "C." In Mexico City, is is important that students learn about the negative effects of pollution so they can work to prevent it.

Answer:

C

Explanation:

Students are learning about the negative effects of air pollution.

In which process does the cell use a vesicle to move molecules out of the cell?

Answers

The process is called Exocytosis.

A special hint for ease:
EXO → Out
ENDO → In

Answer: Endocytosis

Explanation: Because it said so

Which effect is most likely caused by nondisjunction during meiosis?

A. an extra chromosome

B. an increase in nuclei

C. increased survival benefits from traits

D. only two types of nitrogenous bases

Answers

The answer to the question would be an extra chromosome.

Meiosis is a type of cell division which all sexually reproducing diploid eukaryotes have. It is finished in the process of fertilization, resulting in a zygote. The chromosome number is divided by half in this process, resulting in four haploid cells which all differ genetically from the parent cells. After DNA replication, two cell divisions take place, referred to as Meiosis I and Meiosis II. The first cell division generates the diversity of genetic information through the process of crossing over and random positioning of homologous chromosomes. The number of chromosomes is here reduces from diploid (2n) to haploid (n). 

In order to achieve genetic diversity, the homologous chromosomes need to separate in the first meiosis, and then the sister chromatids need to separate in the second meiosis, which brings us to four haploid cells. Nondisjunction is an error in this process that can happen in either the separation of homologous chromosomes, or the separation of sister chromatids. The result of nondisjunction in a chromosome imbalance, so a cell that has been affected by nondisjunction is an aneuploid cell. There are different types of aneuploidy, like monosomy (the loss of one chromosome), trisomy (the gaining of one chromosome) and different syndromes can occur as a result of this erroneous process. 

Out of the answers you provided, gaining an extra chromosome would be the answer, but a single chromosome loss can also be the result of nondisjunction.

Yeast has become important in genetic engineering because it

Answers

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The fourth reaction involving Gly-4 ( aldolase) is an especially important reaction in glycolysis. Why is this?

Answers

Glycolysis is the metabolic process of converting glucose into a pyruvate. It serves as a foundation for the two cellular respiration namely the aerobic and anaerobic respiration. It has four reactions namely, hexokinase, glucose-6 pshospahate isomerase, phosphofructokinase (PFK) and aldolase.

Aldolase or Glycolysis reaction 4 is significant because it splits the fructose1,6 biphosphonate into glyceraldehyde-3-phosphate (GAP) and dihydroxyacetone phosphate (DHAP).

why are there seasons
A. earth revolves around the sun
B. earth rotates on its axis
C. earths axis titled
D.the moon revolves around earth

Answers

The stations are due to the inclination of the axis of rotation of the Earth with respect to the plane of its orbit with respect to the sun, which means that some regions receive different amounts of sunlight depending on the time of year.

The Earth rotates around its axis, this rotating movement is called rotation.

The Earth also revolves around the sun, this movement is called revolution.

The answer is: A. The earth revolves around the sun, B. The earth revolves around its axis.

Answer:

Earth's axis is tilted.

Explanation: I'm confident in my answer

the ocean and the atmosphere serve as long term stroage areas for carbon and other nutreints.What are these strorage areas called..?

A) Reservoirs
B)Fossil Fuels
C)Biostorages
D)Compounds

Answers

The correct answer is:  [A]:  "reservoirs" .
___________________________________________________________

People build a dam to create a reservoir that supplies water a nearby city needs. Describe two ways that water moves through Earth’s atmosphere in the water cycle

Answers

Transpiration, evaporation.
Hi I believe it is transpiration and evaporation
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