Answers
The innate immune system gives a fast answer to infections, and it is non-specific, because the way that the innate cells recognize the pathogens is for patterns such as cell walls, so it is not antigen-specific.
On the other hand, the adaptative immune system gives a reaction that is specific to the pathogen that is causing the infection, and it is long-term protection because these kinds of cells are divided into two groups, one for memory, and the other one for plasmatic cells, or cytotoxic.
so the right answer is D
Related Questions
A rock discovered near your home is known to be an igneous rock. The rock was formed as magma cooled inside the earth's crust. Is this rock an intrusive or extrusive igneous rock? Explain your answer.
Answers
Answer:
Intrusive Igneous rock.
Explanation:
Intrusive igneous is usually formed when magma is trapped deep inside the Earth. Afterwards molten rock rises toward the surface creating this
np :d
What is cyanosis? Describe several physical and/or chemical factors that might create cyanosis in a patient and how cyanosis can be reversed.
Answers
Cyanosis is a medical condition that is characterized by a blue or purple discoloration of the skin and mucous membranes. It occurs due to a lack of oxygen in the blood or a buildup of deoxygenated hemoglobin in the blood vessels near the skin surface.
Several physical and/or chemical factors that might create cyanosis in a patient include lung diseases that interfere with the normal exchange of oxygen and carbon dioxide in the lungs, such as chronic obstructive pulmonary disease (COPD), pneumonia, and asthma. Heart diseases, such as congenital heart disease, heart failure, and pulmonary embolism, can also lead to cyanosis. Other factors include high altitudes, exposure to cold temperatures, and certain medications, such as opioid painkillers.
To reverse cyanosis, the underlying cause must be treated. For example, oxygen therapy can be used to increase oxygen levels in the blood in patients with lung diseases. In cases of heart disease, medications or surgery may be necessary to improve the heart's ability to pump blood. In some cases, blood transfusions may be necessary to increase the oxygen-carrying capacity of the blood.
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Please hurry. Which of the following examples includes only chemical changes that occur in the digestive process?
A: Absorption of nutrients by villi in the small intestines
B: Chewing and swallowing food
C:Recycling of water from dissolved food back into the body
D: Reaction of saliva, stomach acid, bile, and pancreatic juices with food
Answers
The example that includes only chemical changes that occur in the digestive process is the reaction of saliva, stomach acid, bile, and pancreatic juices with food. Option D.
What are chemical changes?Chemical changes refer to changes to the chemical properties of substances. In biological reactions, these substances are referred to as reactants.
Chemical changes are different from physical changes. In physical changes, only the physical properties of substances are altered while their chemical properties remain intact.
When a substance changes chemically, its physical properties most often change along. However, this is not in all cases.
Thus, looking at the examples given, their classification into either physical or chemical changes is as follows:
Absorption of nutrients by villi in the small intestines: physical changeChewing and swallowing food: physical changeRecycling of water from dissolved food back into the body: physical changeThe reaction of saliva, stomach acid, bile, and pancreatic juices with food.When saliva, stomach acid, bile, and pancreatic juices react with food, the chemical properties of food change because the enzymes convert different components of food from one form to another as part of the process of digestion.
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gaps in the spacings of orbital semi-major axes of asteroids in the asteroid belt, produced by dynamical resonances with nearby planets, especially Jupiter has been spotted and is engaging at the earth
what is this ?
Answers
The Kirkwood gaps may be seen in the main belt. A Kirkwood gap is a gap or dip in the distribution of semi-major axes in jupiter
what is jupiter ?
Jupiter is the most northern town in Palm Beach County, Florida, USA. The town has a population of 61,047 as of April 1, 2020, according to the 2020 Census. Jupiter is the northernmost town in the Miami metropolitan region, located 84 miles north of Miami and 15 miles north of West Palm Beach, and is home to 6,012,331 people, according to a 2015 Census Bureau estimate. Jupiter was chosen by Stacker Newsletter as the 9th Best Southern Beach Town to live in for 2022, the 12th Best Beach Town in the United States by WalletHub in 2018, and the 9th Happiest Seaside Town in the United States by Coastal Living in 2012.
The Kirkwood gaps may be seen in the main belt. A Kirkwood gap is a gap or dip in the distribution of semi-major axes (or, equivalently, orbital periods) of main-belt asteroids' orbits. They correspond to the sites of Jupiter's orbital resonances.
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A DNA sequence might be the promoter that drives expression of a dynein motor gene. You make a mutation that removes the sequence TATATAT from the −25 region of this putative promoter. If the original sequence serves as a promoter, what should happen to transcription of the dynein motor gene in the mutant?Immersive Reader (2 Points) Nothing should happen. Basal levels of transcription remain. Transcription should decrease. Transcription should increase. Not enough information has been provided to make a good prediction.
Answers
Answer:
Transcription should decrease
Explanation:
The TATA box is a consensus sequence of DNA characterized by repetitive thymine (T) and adenine (A) base pairs (bp). It is a consensus sequence that was discovered by David Hogness in 1978. The TATA box is localized in promoter gene regions of archaea and eukaryotic genomes. In animals, the TATA box is often found 30 bp upstream of the transcription start site (TSS). The TATA-box plays a major role during transcription, since it is the site where the preinitiation complex is formed during the initiation of this process. In consequence, mutations in the TATA box region will alter the transcriptional activity.
Describe a process that happens again and again in the rock cycle.
Answers
According to the research, the correct answer is that erosion is a process that happens again and again in the rock cycle.
What is the rock cycle?It is the process in which rocks are formed depending on the place where they are formed, a type of rock will be designated, which are classified into three;
igneous rock,metamorphic rocksedimentary rockIn this sense, after the igneous rocks are formed, they are exposed to exogenous agents (water, wind, atmosphere) which begin to erode the rocks, it is here where the erosion process enters that the defragmentation of the rocks by the agents external, transport and sedimentation.
Therefore, we can conclude that the rock cycle explains and understands the processes that give rise to igneous, sedimentary and metamorphic rocks and undergo different processes such as erosion.
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what is diffussion ?
Defines osmosis?
what is hypotonic solution?
Answers
Answer:
Diffusion is the net movement of anything from a region of higher concentration to a region of lower concentration. Diffusion is driven by a gradient in concentration. The concept of diffusion is widely used in many fields, including physics, chemistry, biology, sociology, economics, and finance.
Dictionary
Definitions from Oxford Languages
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osmosis
/ɒzˈməʊsɪs/
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noun
1.
BIOLOGY•CHEMISTRY
a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.
2.
the process of gradual or unconscious assimilation of ideas, knowledge, etc.
A hypotonic solution has a lower concentration of solutes than another solution. In biology, a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol. Due to osmotic pressure, water diffuses into the cell, and the cell often appears turgid, or bloated.
PLEASEEE
Electric vehicles have less range they can drive compared to plug-in hybrid electric vehicles.
True
False
Answers
Answer:
This statement is False.Explanation:
Plug-in hybrid electric vehicles (PHEVs) have both an electric motor and a gasoline engine, while electric vehicles (EVs) only have an electric motor powered by a battery. EVs typically have a larger battery capacity and range than PHEVs, which rely more heavily on their gasoline engines for longer drives. While the range of EVs can still be limited by the capacity of their batteries, they generally have a longer range on a single charge compared to PHEVs. However, it is worth noting that both EVs and PHEVs can vary in range depending on their specific models and battery capacities.
Which process takes place during the G1 phase of the cell cycle?
A.
mitotic spindle formation
B.
formation of chromatids
C.
DNA replication
D.
none of the above
Answers
Answer:
C. Dna Replication
because G1 is an intermediate phase occupying the time between the end of cell division in mitosis and the beginning of DNA replication
Which of the following best describes an ecosystem in a neighborhood garden?
(A)the tomato plants, the fungi, and the soil
(B)the basil plants
(C)the tomato plants and the fungi
Answers
Answer:
Hey bro Ur answer is A)
Explanation:
The definition of an ecosystem is that ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are linked together through nutrient cycles and energy flows.
The tomato plants, the fungi, and the soil all interact to sustain each other.
Quagga mussels, an invasive species of mollusk originally from
Russia, have been introduced to the lake after being carried in on
the hulls of boats. An assessment of the size of the quagga
mussel problem is needed, along with suggestions to curb their
population growth.
what field of science is this?
Answers
This is a problem in the field of ecology.
The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.
It falls under the discipline of ecology, which studies the relationships between organisms and their environment.
Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.
In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.
They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.
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15. A pedigree chart is a visual representation of the frequency and appearance of phenotypes of a particular gene. The figure below shows a pedigree chart for red-green colorblindness in a human family. The disorder is sex-linked recessive (Xb). Since the genes for the and green color receptors are located on the X chromosome, males are more likely to be affected than females.Typically, each individual in a pedigree chart is assigned a number. The genotype for Individual 1 is XbY, and the genotype for Individual 4 is XBXb, the genotype for Individual 24 is XbXb.Suppose individuals 21 and 22 have only male biological children. Based on the pedigree chart, on average, what percent of children are colorblind?50%25%0%100%
Answers
Remember that colorblindness is an X-linked recessive disorder. Now, let us denote by "a" the recessive (affected) allele and by "A" the dominant (normal) allele.
Now, consider the following pedigree chart:
Suppose individuals 21 and 22 have only male biological children. First, notice that individual 21 is a normal female (no carrier). This means that her genotype:
\(X_AX_A\)On the other side, individual 22 presents the affected allele. Since individual 22 is a man, this means that his genotype for the colorblindness would be:
\(X_aY\)thus, the Punnett square of the crossing of these two individuals would be:
Now, according to the problem, individuals 21 and 22 have only male biological children. Then, according to the above Punnett square, we can infer that the percent of children (male biological children) that are colorblind is:
0%
we can conclude that the correct answer is:
Answer:The percent of children (male biological children) that are colorblind is:
0%
What is one way we can use agriscience to affect photosynthesis and increase plant growth.
Answers
Answer:
Adding carbon dioxide to the air in greenhouses
Explanation:
which of the following most closely resembles cellular respiration
Answers
Logs burning in a campfire are the circumstances that most mimic cellular respiration. This is due to the fact that both processes release energy and depend on oxygen to continue. The body uses cellular respiration, a series of metabolic events, to liberate energy from food.
what is respiration?This is the process of breathing; the taking in and exhaling of air. Biology. the whole of the physical and chemical mechanisms that transport oxygen to tissues and cells and release carbon dioxide and water during oxidation in an organism.
what does metabolic events?It is absolutely necessary for an organism to preserve its life for a process known as metabolism to take place in its body. These activities, which include anabolism and catabolism, are also known as metabolic processes.
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Cystic fibrosis is an autosomal recessive disorder where a chloride ion membrane channel protein doesn't function properly. People with cystic fibrosis suffer from chronic lung infections that make breathing very difficult. They also suffer from other issues such as an inability to produce enough digestive enzymes due to problems with pancreas cells. Suppose that Chris and Shannon are both carrier of cystic fibrosis (carriers have the allele but do not exhibit the disorder). What is Chris' genotype for the cystic fibrosis gene
Answers
Answer: Typically, the genotype in those patients consists of at least one very mild mutation uncharacteristic for CF patients. These are predominantly missense or splice variants, belonging to classes IV or V producing variable amounts of functional CFTR protein at the apical membrane.
i am looking for the answer key to the category 1: cell structure and function biology staar review
Answers
Studying the necessary content, going through lecture notes and textbooks, and working through practise questions and quizzes are the best ways to get ready for an exam.
How do cells work and how do they look?Cells are the essential building components of all living things.There are many billions of cells in a human body. In addition to providing the body with structure, they also absorb nutrients from meals, convert those nutrients into energy, and carry out certain jobs.
Who first identified cells?The cell has a long and interesting history, beginning with Robert Hooke's discovery in 1665 and leading to many of today's scientific discoveries.
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How do density dependent and density independent factors differ in there effects on population growth. Give some examples of each. Please help
Answers
The difference between density dependent and density independent factors in terms of their effects on population growth and common examples are described below.
What is density dependent and independent factors?Limiting factors are conditions that limit the growth or abundance of a population of organisms in an ecosystem.
There are two types of limiting factors that can affect population growth and they are as follows:
Density dependent factorDensity independent factorDensity dependent factors are factors that regulate the population growth by mechanisms controlled by the size of the population while density independent factors affect population growth irrespective of size of the population.
Density dependent factors limit the growth of a population as the population increases while density independent factors limit the population growth irrespective of whether there is an increase in population or not.
Examples of density dependent factors are as follows:
PredationCompetitionDisease and parasitesWaste accumulationExamples of density independent factors are as follows:
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because hydrogen bonds are weak bonds, they create a perfect site for__.
a. separating nucleus acid stands
b. separating amino acids
c. attaching a phosphodiester bond
d. attaching a helicase enzyme
Answers
Answer:b
Explanation:
In some plants, the gametophyte is free-living and photosynthetic. Which group does not have a free-living gametophyte generation?
a. Ferns
b. Gymnosperms
c. Angiosperms
d. Both a and b
e. Both b and c
Answers
The correct option is E ; Both b and c , The male and female gametophytes of gymnosperms (such as Pinus) do not have their own free-living lives.
As a result, they remain within the sporangia retained on the sporophytes that are female gametophyte (within megasporangium) and male gametophyte (within megasporangium) (within microsporangium).
In gymnosperms, the female gametophyte is not free-living; rather, it is restricted within the megasporangium. Male and female gametophytes do not exist as free-living entities in gymnosperms and angiosperms.
Only seedless vascular plants (ferns and lycophytes) have independent, freeliving gametophytes, while all green plants alternate between the gametophyte and sporophyte life stages. Ferns' life cycle differs from that of other terrestrial plants in that both the gametophyte and sporophyte phases are free living.
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Which "letter" represents the "LIGAND" in the diagram below?
Answers
Answer:
Letter B.
Explanation:
The ligand is what binds to the receptor in cell signaling pathways. The receptor is pictured as A, and B is the molecule binding to it.
The industrial revolution began with the exploitation of which of the following fuel sources?
O
A. coal
B. nuclear power
C. petroleum
D. solar power
Answers
The industrial revolution began with the exploitation of coal.
Circle which of the following genotypes will display the codominant phenotype:
Homozygous dominant
Heterozygous
Homozygous recessive
Answers
Answer:
Heterozygous
Explanation:
Option B. The option that would be circled is Heterozygous. Hence The Heterozygous will display the codominant phenotype.
What is the heterozygous genotypes?The term "heterozygous genotype" refers to a genetic condition in which an individual carries two different versions (or alleles) of a particular gene on their pair of homologous chromosomes. One allele is inherited from the individual's mother and the other allele is inherited from the individual's father.
The term "heterozygous" is used to contrast with "homozygous," which refers to a genetic condition in which an individual carries two copies of the same allele for a particular gene.
For example, if the gene for eye color has two alleles, one for brown eyes and one for blue eyes, an individual with one brown-eyed allele and one blue-eyed allele would be considered heterozygous for that gene. Their genotype would be written as Bb, where B represents the dominant allele for brown eyes and b represents the recessive allele for blue eyes.
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ILL GIVE BRAINLY PLZ HELP Fisherman at Reelfoot Lake, in Northwest Tennessee, noted a drop in the number of catfish. What is the most reasonable conclusion, based on the data provided?
A) The pH of the rain will not affect the fish that live in the lake.
B) The pH of the rain falling into the lake is of level that it is killing the adult fish.
C) The pH of the rain falling into the lake is of level that it is affecting fish reproduction.
D) The pH of the rain falling into the lake is of level that it is both affecting fish reproduction and killing adult fish.
Answers
Answer:
D, if you look at the acid rain it covers both death of fish and reproduction
Which one of the following is an example of a negative feedback loop?
Scratching a mosquito bite, causing it to itch more
Sexual arousal, leading to desire for more stimulation
Eating when your blood sugar is low
All of the above
Answers
Answer:
Eating when your blood sugar is low.
Explanation:
A negative feedback loop is a loop that destresses or neutralizes a loop. If your blood sugar dropped and you are food that would counter act your drop in blood sugar returning it to a neutral level.
The opening and closing of the stomata on a plant leave allows water and gas exchange to occur. Which
physiological processes would the stomata be a primary structure?
Quare celle solen
Guard cells (shrunken
O
Stomasing
photosynthesis, cellular respiration & transpiration
cellular respiration, photosynthesis & growth
growth, reproduction & cellular respiration
reproduction, transpiration & photosynthesis
Answers
Answer: photosynthesis, cellular respiration and growth.
Explanation:
Can you please help me
Answers
Answer:
c hardness
Explanation:
I hope u get this correct
Answer: all OR A and C
Explanation:
which event contributed to life evolving on Earth
Answers
Answer:natural selection
Explanation:
PLEASE HELP!
While on a class tour to Rajasthan Aman asked his friend the reason why there are so less number of plants. What his friend would have said? [Value Based]
Answers
Answer:
Wh Ra'ya sınıf turundayken
Of the facts listed below, which surprised you the most. Why?
1. Dishwashers use ½ the energy and ⅓rd of the water as hand washing.
2. 2/3rds of the food tossed out at home could have been eaten if it had been stored properly.
3. In the last 15 years, clothing production has approximately doubled.
Answers
Answer:
"2/3rds of the food tossed out at home could have been eaten if it had been stored properly."
Explanation:
This fact is surprising because it highlights how much food waste could be avoided if people were more mindful about how they store their food. It is estimated that one-third of all food produced is wasted, which has significant environmental and economic consequences. By reducing food waste, we can reduce greenhouse gas emissions, conserve resources, and save money.
Moreover, this fact also underlines the importance of education and awareness-raising initiatives to promote proper food storage and reduce food waste. Simple actions such as using airtight containers, refrigerating leftovers promptly, and checking expiration dates can go a long way in preventing food waste.
Hope this helps!
Why can a planet orbit circular?
Answers
Answer:
Explanation:A circle is merely a special case of an ellipse. However, the planets do not quite move in ellipses either. The increased kinetic energy of a planet as its distance from the Sun decreases causes it to behave as though it had a greater mass, which results in the point of the orbit furthest from the Sun precessing.