A client who is exposed to invading organisms recovers rapidly after the invasion without damage to healthy body cells. How has the immune response protected the client
Answers
The client is saved by he ability to recognize self versus non-self is necessary to prevent healthy body cells from being destroyed along with the invading organisms.
A complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases. The immune system includes white blood cells and organs and tissues of the lymph system, such as the thymus, spleen, tonsils, lymph nodes, lymph vessels, and bone marrow.
here are two types of immunity active and passive immunity. In active immunity the body can create the antibodies which recognise the foreign material and kill them .
in passive immunity day there should be the outer medicines on drugs are used for the prevention of
diseases .
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Related Questions
5. It takes 3 hours to cook an 8-pound turkey.
How long would it take to cook a turkey that is
14 pounds?
6.
Answers
The unitary method is a technique for problem-solving that involves first determining the value of a single unit, then multiplying that value to determine the required value.
It takes 3 hours to cook an 8-pound turkey. How long would it take to cook a turkey that is 14 pounds?
A problem can be solved using the unitary method by first determining the value of a single unit, and then multiplying that value to determine the required value. Essentially, the purpose of this procedure is to calculate the value of a unit from the value of a multiple.
It can be solved using simple unitary method.
Time taken by 8 pound turkey to get cooked = 3 hours
Therefore, time taken by 1 pound turkey to get cooked = (3/8) hours
Hence, time taken by 14 pound turkey to get cooked = (3/8*14) hours
= 5 hours 25 mins.
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Describe a control for the above experiment. The factor, the presence of starch (if the process of photosynthesis has taken place or not) needs to be left out. How would you do this?
Answers
During photosynthesis a plant absorbs light energy using the pigment chlorophyll. This allows it to convert carbon dioxide and water into glucose. This glucose is:
transported to the growing parts of the plant for use in respiration
transformed into cellulose, proteins and oils
turned into starch for storage
Therefore, to test if a plant has been photosynthesising, you can test the leaf to see if starch is present.
Iodine solution is used to test leaves for the presence of starch. You need to:
heat a plant leaf in boiling water for 30 seconds (this kills the leaf, stopping any chemical reactions)
add the leaf to boiling ethanol in a water bath for a few minutes (the boiling ethanol dissolves the chlorophyll and removes the green colour from the leaf - it turns white so it is easy to see the change in colour)
wash with water to rehydrate and soften the leaf and spread onto a white tile
add iodine solution from a dropping pipette
After a few minutes, the parts of the leaf that contain starch turn the iodine from brown to blue/black.
Hope this helps :)
How to calculate energy in 8th grade
Answers
For kinetic energy use the equation K.E= 1/2 mv2
For potential energy use;
P= mgh
Honey if you have some numericals in which you are confused. You can write it down in the comments.
Someone please help me with this question
Answers
the appearance changes but the identity does not
An organism with IsCAP+P+O+Z+Y+A+/F’I+ will have a normal functioning Lac operon.
a) True
b) False
Answers
An organism with is CAP+P+O+Z+Y+A+/F’I+ will have a normal functioning Lac operon - False
The presence of F’I+ indicates that the organism has an extra copy of the lac operon, which can result in higher than normal levels of gene expression. Additionally, the IsCAP+, P+, O+, Z+, Y+, and A+ indicate that the lac operon is inducible and functional. However, the presence of A+/F’I+ suggests that there is a mutation in the regulatory gene that codes for the lac repressor protein. This mutation prevents the repressor from binding to the operator site and inhibiting transcription, leading to constitutive expression of the lac operon even in the absence of lactose.
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13-15.) In proton-beam therapy, a high-energy beam of protons is fired at a tumor. As the protons stop in the tumor, their kinetic energy breaks apart the tumor's DNA, thus killing the tumor cells. Fo
Answers
Proton-beam therapy is a type of radiation therapy used to treat cancer. In this therapy, a high-energy beam of protons is directed at a tumor. The protons have a specific range in tissue, and they stop inside the tumor, delivering most of their energy at the tumor site.
The main advantage of proton-beam therapy over traditional radiation therapy is that it can deliver a high dose of radiation to the tumor while minimizing damage to the surrounding healthy tissues. This is because protons have a unique physical property called the Bragg peak, which allows them to deposit their maximum energy at a specific depth within the tissue.
When the high-energy protons stop in the tumor, their kinetic energy is transferred to the tumor cells. This energy breaks apart the tumor's DNA, which is responsible for the cells' ability to grow and divide. By damaging the DNA, the tumor cells are unable to replicate and eventually die.
It is important to note that proton-beam therapy is a complex and specialized treatment that requires careful planning and precise delivery. It is typically used for tumors located near critical structures, such as the brain or spinal cord, where minimizing damage to surrounding tissues is crucial.
In summary, proton-beam therapy uses high-energy protons to deliver radiation to tumors, damaging their DNA and killing the tumor cells. This treatment offers the advantage of delivering a focused dose of radiation while minimizing harm to healthy tissues.
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The matrix of bone tissue is made up of *
adipose tissue
hard minerals (like calcium)
collagen fibers
hard minerals (like calcium) and collagen
fibers
Answers
Answer:
Hard minerals (like calcium) and collagen fibres
Choose one human body system and describe the major organs that make up the system.
Answers
Answer:
respiratory system
-heart
-Lungs
-trachea
-pulmonary blood vessels
-pharynx
-oral cavity
-nasal cavity
according to Google ofcourse.....
spectophotometers compare the light transmitted through a sample to the light transmitted through a) a heated samle b) a blank c)each individual reagent d) none of the above
Answers
Spectrophotometers compare the light transmitted through a sample to the light transmitted through a blank.
The blank is a solution containing all the reagents except for the one being tested, and it serves as a reference to account for any absorption or scattering that may occur in the solvent or the instrument itself. By subtracting the blank absorbance from the sample absorbance, the spectrophotometer can determine the amount of light absorbed by the sample and thus the concentration of the compound being measured. This technique is widely used in analytical chemistry, biochemistry, and other fields to quantify the amount of a substance in a sample.
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57. what are the steps (in order) of cellular respiration? which step produces the most atp?
Answers
The steps of cellular respiration in order are glycolysis, the citric acid cycle (also known as the Krebs cycle), and the electron transport chain.
The step that produces the most ATP is the electron transport chain.What is cellular respiration? Cellular respiration is the process by which cells produce energy from nutrients. This process occurs in three steps, which are:Glycolysis: This step is the process of breaking down glucose into pyruvate.
This process takes place in the cytoplasm.Citric acid cycle (Krebs cycle): This is a series of chemical reactions that take place in the mitochondria. It produces ATP and NADH.Electron transport chain: This is a series of protein complexes that transfer electrons and create a gradient of protons across the inner membrane of the mitochondria. The proton gradient is used to produce ATP through a process called oxidative phosphorylation.The step that produces the most ATP is the electron transport chain. It produces up to 34 ATP molecules per glucose molecule.
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Scientist believe that convection currents within Asthenosphere are responsible for the movement of the ______ that form the Earth's crust.
Answers
the heat from earth’s core keeps the asthenosphere malleable and allows the tectonic plates to move from the heat.
during which step of crispr/cas9 is the nuclease activity of cas9 activated to cut the target dna and produce a double-strand break?
Answers
During the step of crRNA binding to the target DNA, the nuclease activity of Cas9 is activated to cut the target DNA and produce a double-strand break. The CRISPR/Cas9 system is a genome-editing tool that is most commonly used in genetic engineering.
The term CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats, and the Cas9 protein is a type of endonuclease, which is an enzyme that breaks down DNA by cutting it at specific locations.Crispr/Cas9 is a two-component system that works by using a guide RNA molecule to direct the Cas9 nuclease to the target DNA sequence. The guide RNA molecule is designed to recognize a specific sequence of DNA that is complementary to the target DNA sequence, which allows the Cas9 protein to cut the DNA at that location.Cas9's nuclease activity is activated by the binding of a guide RNA molecule to the target DNA.
The Cas9 protein then cuts the DNA at the site where the guide RNA has bound, resulting in a double-strand break. This break triggers the cell's natural DNA repair mechanisms, which can be harnessed to introduce specific changes to the DNA sequence. In conclusion, Cas9 nuclease activity is activated during the step of crRNA binding to the target DNA in the CRISPR/Cas9 system.
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(a) for both cells a and b, oxygen diffuses across the plasma membrane at a rate of 100 molecules per cm^2 per minute. Calculate the total number of oxygen molecules that enter the cells during a period of 5 minutes.
Cell A:
Cell B:
(b): Calculate the number of oxygen molecules available per cm^3 of cell during the 5 minute period.
Cell A:
Cell B:
Answers
Answer:
Explanation: b
Which structure is most likely an organic substance?
Answers
sort these out from smallest to largest
nucleus gene allele chromosome
Answers
Gene
Allele
Nucleus
Chromosome
Gene: A gene is the basic unit of heredity and consists of a specific sequence of DNA that codes for a particular trait or function. Genes are relatively small segments of DNA.
Allele: An allele is a variant form of a gene. It represents different versions or variations of a gene that exist within a population. Alleles are different forms of a gene that can produce different phenotypic traits.
Nucleus: The nucleus is a membrane-bound organelle found in eukaryotic cells. It contains the genetic material, including DNA, in the form of chromosomes. The nucleus is larger than a gene or allele.
Chromosome: A chromosome is a thread-like structure composed of DNA and proteins. It carries genes and other DNA sequences, and it is visible during cell division. Chromosomes are larger than genes, alleles, and the nucleus. They contain many genes and are responsible for storing and transmitting genetic information.
In summary, starting from the smallest, we have a gene, followed by an allele, then the nucleus, and finally the largest structure, the chromosome.
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the most effective method of control used against botulism in the united states is:
Answers
The most effective method of control used against botulism in the United States is the implementation of strict food safety regulations and practices, including proper food handling, storage, and processing techniques.
Additionally, the use of commercial sterilization and pasteurization methods can effectively kill the bacteria that causes botulism. Consumers should also be aware of the signs and symptoms of botulism and take appropriate precautions when consuming canned or preserved foods.
When consumers ingest inadequately canned food, polluted water, or badly stored food, Clostridium botulinum is present, and even a small amount of this toxic toxin can result in serious issues including poisoning.
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The __________ nerve connects with the auditory nerve to relay information to the brain about balance. a. cochlear b. vestibular c. optical d. kinesthetic please select the best answer from the choices provided a b c d
Answers
Answer:
Kinesthetic
Explanation:
Even with your eyes closed you can tell where your limbs are located and in which direction you are going, thanks to the kinesthetic nerve.
Answer:
B. Vestibular
Explanation:
edge 2022
The macrolides target which feature of the bacterial cell? A. 30S ribosomal subunit. B. 50S ribosomal subunit. C. cell wall. D. plasma membrane.
Answers
The macrolides target basically target the 50s subunit of the ribosome in the bacterial cells.
The correct option is option b.
Macrolides are basically antibiotics which are used to treat the infections which are caused by the gram-positive bacteria ( for example, the streptococcal and pneumococcal infections). Macrolide antibiotics act by inhibiting the protein synthesis and they do so by targeting the bacterial ribosomes and also occluding the exit tunnel of the nascent peptide of the bacterial ribosome.
Therefore, it also sometimes known as the tunnel plug. The target site for macrolides is basically the 50s or the large subunit of the bacterial ribosome.
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proton gradient (h ) is a major force in the electron transport chain process as it eventually activates atp synthase, which in turn generates atp.
T/F
Answers
Because it creates a concentration gradient of protons across the inner mitochondrial membrane, the proton gradient (H+) is a significant force in the electron transport chain process. The answer is true.
This slope fills in as a wellspring of potential energy that can be utilized by ATP synthase to create ATP from ADP and inorganic phosphate. Oxidative phosphorylation is the primary mechanism by which ATP is produced in eukaryotic cells.
ATP is made by synthesizing the proton gradient created by proton pumping during the electron transport chain. Through the membrane protein ATP synthase, protons flow down their concentration gradient into the matrix, causing it to spin like a water wheel and catalyze the conversion of ADP to ATP.
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a molecular biologist measures the mass of cofactor a in an average yeast cell. the mass is . what is the total mass in micrograms of cofactor a in a yeast colony containing cells? write your answer as a decimal.
Answers
The total mass of cofactor A in a yeast colony containing 10^5 cells is 2.47 micrograms.
To calculate the total mass of cofactor A in a yeast colony containing 10⁵ cells, we can use the following formula:
Total mass = (mass per cell) x (number of cells)
In this case, we know that the mass of cofactor A in an average yeast cell is 24.7 pg. To convert this to micrograms, we can divide by 10^6:
24.7 pg = 0.0000247 μg
Now, we can plug in the values we know and solve for the total mass:
Total mass = (0.0000247 μg/cell) x (10⁵ cells)
Total mass = 2.47 μg
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--The given question is incomplete, the complete question is
"A molecular biologist measures the mass of cofactor A in an average yeast cell. The mass is 24.7pg. What is the total mass in micrograms of cofactor A in a yeast colony containing 10^5 cells?"--
By which process do pants obtain carbon from the atmosphere
photosynthesis
o cellular respiration
decompostion
O consumption
Answers
Answer:
photosynthesis
Explanation:
Answer:
Photosynthesis
Explanation:
Could blood on the clothes of a murder suspect be used to implicate him in the crime?
Answers
Answer:
yeah if the blood matches the victim then the suspect is gonna be taken in for custody and tried for murder
Explanation:
Answer:
yes blood on the clothes of a suspect can implicate him
If a damaged cell is found, or produced, during the cell cycle, then that cell will undergo
O A. Division
B. Apoptosis
C. Growth
D. DNA synthesis
Answers
Answer:
D
Explanation:
DNA synthesis
If the damage is irreparable, the cell may undergo apoptosis, or programmed cell death 2. This self-destruction mechanism ensures that damaged DNA is not passed on to daughter cells and is important in preventing cancer.
HELP PLSS!!
In your own words, explain how recombinant DNA techniques are used to produce medications.
Answers
Explanation:
Recombinant DNA technology enables us to change the physiology of a cell. Through this, we can produce many humanoid enzymes in other organisms... For example insulin.
What did Le Texier find after reviewing archived records of Zimbardo's Stanford Prison Experiment?
A) Two guards and one prisoner later said their behavior was an act.
B) Three of Zimbardo's associates repeatedly challenged his methodology.
C) The guards had been given virtually no instructions on how to treat the prisoners.
D) That the completely immersive nature of the experiment biased the results.
Answers
After reviewing archived records of Zimbardo's Stanford Prison Experiment, Le Texier found that: A) Two guards and one prisoner later said their behavior was an act.
After reviewing archived records of Zimbardo's Stanford Prison Experiment, Le Texier found that two guards and one prisoner later revealed that their behavior during the experiment was an act. This suggests that their actions and behaviors may not have been genuine or reflective of their true personalities. However, it's important to note that the experiment itself has faced criticism regarding its methodology and ethical implications. Le Texier's findings add another layer to the discussion by suggesting that some participants may have been aware of the experimental nature of their roles, potentially influencing the outcomes and interpretations of the study.Therefore, After reviewing archived records of Zimbardo's Stanford Prison Experiment, Le Texier found that: A) Two guards and one prisoner later said their behavior was an act.
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In term of characteristics of a living organism
What would it be if headlight that switch on automatically in the dark?
Answers
Answer:
A headlamp is a lamp attached to the front of a vehicle to illuminate the road ahead. Headlamps are also often called headlights, but in the most precise usage, headlamp is the term
Explanation:
I hope that helps
Answer: Well obviously there will be a light you would be seeing, and I’m pretty sure the headlight turned on for a reason which is: there might be something in front of the car that the headlight detected. Or the headlight wants to make sure you see where you are going.
Explanation: I did a brain proccess and thought with my head and got this I don’t know what any other reason why a headlight would turn on automatically. I hope this helped :)
What is the original purpose of a
quick stimulus and response in
the body?
A. to protect itself and respond quickly to
dangerous situations
B. to learn about the world
C. to evolve the senses
D. to conserve energy and not move as much
Answers
Answer:
A
Explanation:
To protect itself and repond quickly to dangerous situation
If you wanted to present evidence that red panda populations were becoming more diverse over time, which choice correctly identifies the
independent and dependent variables you would choose to use in your graph?
(1 point)
Independent = Generation and Dependent = Acres of Deforested Land
Independent = Nucleotide Diversity and Dependent = Generation
Independent = Generation and Dependent = Nucleotide Diversity
Independent = Acres of Deforested Land and Dependent = Generation
The
Answers
The correct choice is: Independent = Generation and Dependent = Nucleotide Diversity. To present evidence that red panda populations are becoming more diverse over time, you should choose the following:
Independent = Generation and Dependent = Nucleotide Diversity
In this case, the independent variable (Generation) represents different time periods, while the dependent variable (Nucleotide Diversity) measures the genetic diversity within the red panda population. By analyzing how nucleotide diversity changes across generations, you can show whether the population is becoming more diverse over time.
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the gradual decline in men's testosterone levels in middle age can reduce their
a. sexual activity.
b. infertility.
c. lung capacity.
d. thyroid levels.
Answers
The gradual decline in men's testosterone levels in middle age can potentially reduce their a. sexual activity.
Testosterone is the primary manly coitus hormone, and it plays a pivotal part in maintaining sexual function and libido in men. As men age, it's common for testosterone situations to decline gradationally, a process known as andropause or late- onset hypogonadism. This decline in testosterone can lead to colorful changes in the body, including a drop in sexual exertion or desire.
Testosterone is involved in regulating sexual desire, thrill, and performance. Lower situations of testosterone can affect in a drop in sexual provocation, dropped frequence of sexual exertion, and potentially impact erectile function. still, it's important to note that individual gests may vary, and not all men will witness significant changes in sexual exertion as a result of declining testosterone situations.
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The transcription of many bacterial genes relies on groups called operons. What advantages are there to having genes arranged in an operon, compared to the arrangement of genes in eukaryotic cells?
Answers
The operon arrangement in bacterial genomes provides advantages in terms of coordinated gene expression, efficient resource utilization, rapid adaptation, and streamlined regulatory control, etc.
When compared to how genes are organized in eukaryotic cells, the operon-based gene organization that distinguishes bacterial genomes has a number of benefits. The benefits of operons in bacterial gene control include the following:
Coordinated Gene Expression: Under the direction of a single promoter, the genes in an operon are all transcribed into a single mRNA molecule at the same time. The coordinated regulation of gene expression is made possible by this system.
Efficiency and Resource Conservation: Transcription and translation machinery can be used more effectively since genes in an operon share a common promoter and regulatory regions. This configuration optimizes cellular operations by reducing the amount of energy and resources needed for transcriptional initiation and regulation.
Rapid adaptation: Bacteria must be able to quickly adapt to new circumstances since they frequently encounter a variety of habitats. When the environment changes, operons enable quick and coordinated regulation of gene expression.
Eukaryotic cells, in contrast, often have a more complicated gene organization with unique promoters for each gene. The cost of this arrangement is an increase in regulatory complexity and resource consumption even while it enables more accurate regulation and fine-tuning of gene expression.
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