You are infected with a pathogen; it is your first exposure to this pathogen. The first antibody types that will eventually appear in your blood to help fight this infection will be:

Answers

Answer 1

If it is the first time that this pathogen comes into contact with the immune system, IgM antibodies are produced, which are the first type of antibodies produced against a certain microorganism.

Immunoglobulins are molecules that intervene in defense processes against microorganisms and infections.

Each type of immunoglobulin is specific against a certain antigen, this is what allows an immunological memory to exist, which is obtained when coming into contact for the first time with a certain microorganism.

IgM is the first immunoglobulin synthesized by the neonate by itself, and it is also the first to appear during the primary response, which lasts an average of three weeks and then disappears.

In general, the production of IgM antibodies precedes that of IgG, the concentration of antibodies can be high, plateau for a few days and then decrease rapidly.

Therefore, we can conclude that when the immune system first comes into contact with an antigen, a primary response occurs; mediated by IgM antibodies.

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Related Questions

What amino acids is represented by the codon UUA?

Answers

Answer:

Leucine

Explanation:

Leucine amino acid is represented by the codon UUA.  One codon codes for only one amino acid.

What are amino acids?

Proteins are made up of substances called amino acids. Proteins and amino acids are the components of life. Amino acids are the byproducts of the digestion or breakdown of proteins. Amino acids are used by the human body to create proteins that aid in breaking down food.

There are 20 amino acids, of which 10 amino acids are essential and 10 are non-essential amino acids.

Codons made from three nitrogenous bases codes for amino acids. One amino acid can be coded by more than one codon, while one codon can code only one amino acid. For example, UUA codes only for leucine, but leucine can be coded by UUA, UUG, CUA, CUC, CUG, and CUU.

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explain how the skin on the human body functions similarly to the cell membrane of a cell.

Answers

Answer:

The skin surrounds the entire body just as the cell membrane surrounds the entire cell. Both the skin and the cell membrane are semi-permeable, meaning that they only allow specific substances to enter or exit the body.

PLEASEEE HELPPPP!!!! PLSSSS!!!!
All of the following can increase blood pressure except for

D. parasympathetic nervous stimulaton

B. sympathetic nervous stimulaton

A. reduction in arteriole diameter

C. angiotensin II

Answers

Answer:

D!

Explanation:

Based on this information, what is the minimum size of a codon for these hypothetical martian life-forms?.

Answers

Answer:

george is cute

Explanation:

How can atp drive a reaction.

Answers

Answer:

•The hydrolysis of ATP to drive a thermodynamically unfavorable reaction.this process is ATP coupling

Explanation:

For example, the conversation of glucose to glucose -6-phosphate.

what organelle do both plant and animal cells have that control all of the activities that take place inside of a cell?

Answers

Answer:

the nucleus

Explanation:

Which step of cellular respiration uses oxygen.

Answers

Answer:

The step of cellular respiration that uses oxygen is oxidative phosphorylation

Explanation:

Oxidative phosphorylation out of three other stages is the only one that uses oxygen directly, but the other two stages can't run without oxidative phosphorylation.

Glucose and oxygen make what?

Answers

It makes Carbon dioxide

What is the production of white blood cells, red blood cells, and platelets called?

*Hematopoiesis
Hematogenesis
Hemophobia
Hematosynthesis

Answers

Answer:

a. Hematopoiesis

Explanation: is correct

Why does pollution become more than a local problem?

Answers

it can kill

Explanation:

The reason it is a universal problem is because it can kill animals and polute the ocean and then clog up a boat engine

Pollution can influence ALOT of change. A negative change that is outside “local problems”. Pollution affects human health, and animal health across the world.

Anwser this Please Thank you

Answers

Answer:

1. It can make people feel better and respected

Explanation:

Glucose plus glucose with what makes maltose and water.

Answers

Answer:

In the dehydration synthesis reaction depicted above, two molecules of glucose are linked together to form the disaccharide maltose. In the process, a water molecule is formed.

Explanation:

this is copied so be careful but hope it helps

since ph can affect the activity of the antibiotics why would the Kirby bauer test require that the agar have a ph of 7.4

Answers

We have that for the Question "since ph can affect the activity of the antibiotics why would the Kirby bauer test require that the agar have a ph of 7.4" it can be said that

Why the Kirby bauer test require that the agar have a ph of 7.4 is because while agents may be in excessive activity, given a scenario that the pH is to exceed 7.4 the results might inverse.

From the question we are told

since ph can affect the activity of the antibiotics why would the Kirby bauer test require that the agar have a ph of 7.4

Generally

Agar has a ph value that should exist between 7.2 and 7.4 within a room temperature,given it  solidifies and this should be when initially prepared

Therefore

Why the Kirby bauer test require that the agar have a ph of 7.4 is because

while agents may be in excessive activity, given a scenario that the pH is to exceed 7.4 the results might inverse.

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Which part of the mitochondrion contains the proteins that carry out oxidative phosphorylation?.

Answers

Answer:

Inner Mitochondrial Membrane

Explanation:

Oxidative phosphorylation takes place in the inner mitochondrial membrane, in contrast with most of the reactions of the citric acid cycle and fatty acid oxidation, which take place in the matrix.

how population growth rate, generation time and carrying capacity affect the population growth of each species over the short term (30-50 generations) and long term (100 generations)

Answers

The population, the more of the population, it may affect the environment they are in. The amount of the population may affect how many resources the population has because it can run out.- long term
Short term:
If the population rate grows in a really quick time the population won’t have enough time to obtain a sustainable lifestyle. I think.

Cellular Respiration has three main steps: Glycolysis, the Krebs Cycle and Oxidative phosphorylation/electron transport chain. What are the overall functions of each of these steps

Answers

Answer:

Cellular Respiration has three main steps: Glycolysis, the Krebs Cycle and Oxidative phosphorylation/electron transport chain.

Explanation:

phorylation/electron transport chain. What are the overall functions of each of these steps kjn

The tiny bones of the middle ear are collectively known as the A. otoliths. B. scala media. C. ossicles. D. stapes.

Answers

Answer:

C. Ossicles

Explanation:

Answer:

The tiny bones of the middle ear are collectively known as the ossicles.

Explanation:

The ossicles (the three tiny bones in the middle ear) are responsible for amplifying sound vibrations from the eardrum.

(Branliest) Please give me the answer to these

Answers

Answer:

Explanation:

There are over 1300 imperilled species in the United States. 33.4% has been caused by introduced species or more so invasive species

The invasive or introduced species in the United States has seen an economic impact since the damage can be seen in both animals and plants. Now with an invasive species brought about, the naturally occurring species are left fighting for a spot in the habitat and lose in most cases. So economically, the United States has to spend money to get rid of the invasive species

Some of the invasive species have been known to live all year long, and so during the winter seasons, they act as food sources to birds and other animals.

Is that the right answer

Answers

Answer:

actually your answer is supposed to be true because this all actually happend before world war happend so your answer should be true

Explanation:

if you look you answerd false when your answer should actually be True

PLEASE HELP ME!!!


5. The diagram shows some of the metabolic processes taking place in a plant cell.


5a. Identify the process Y and state the name of the organelle where it takes place in a plant cell.

Process Y:

Name of the organelle:


6b. Identify the molecule Z.


6d. The process X uses oxygen and produces ATP. Identify the process X.

Answers

The process X is cellular respiration. It involves the use of oxygen to break down a monosaccharide to produce ATP and ADP.

The metabolic processes taking place in a plant cell are shown in the image in the question. We are supposed to identify;

The process Y and the organelle where it occursThe molecule Z The process X

Firstly, let us recall that the process X involves the combination of carbon dioxide and water to produce a monosaccharide. This is the process of photosynthesis and it occurs in the chloroplasts.

When there is a high level of glucose in the body, the molecule acetyl co-A(molecule Z) could be converted into triglycerides. The process X involves the use of oxygen to break down a monosaccharide to produce ATP and ADP. The process involved is cellular respiration.

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Answer: Process Y: photosynthesis

organelle: chloroplast

Molecule Z: glycerol

6d. aerobic respiration

Explanation: I looked it up myself. I hope this helps.

Which sentence best explains how a positive feedback loop affects climate
change?
A. As the number of plants increases, the amount of CO2 decreases.
B. High clouds have a high albedo and reflect solar energy back into
space.
C. As climate warms, CO2 increases because plants remove less of
it.
D. High precipitation results in increased plant growth, lowering CO2.

Answers

A positive feedback loop that affects climate is change as the number of plants increases, the amount of CO2 decreases.

The more trees the less CO2?

Scientists agree that one of the most effective ways to absorb part of the CO2 from the atmosphere would be to plant more trees, as they use CO2 to grow and release oxygen, this action brings benefits to the entire environment.

With this information, we can conclude that A positive feedback loop that affects climate is change as the number of plants increases, the amount of CO2 decreases.

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Peptides are hydrolyzed into amino acids.

a. True
b. False

Answers

Answer:

"The peptide products are then further hydrolyzed into amino acids via other proteases, and then absorption occurs into the bloodstream. Hence, Trypsin digests proteins into amino acids. So, the correct answer is 'true'"

Explanation:

What is the role of density changes in a convection cycle

Answers

Answer:

Explantion

Convection is heat transfer due to a density differential within a fluid. As water's temperature increases in the presence of a heat source, it will become less dense and rise. As it moves up and away from the heat source, it cools and becomes more dense and sinks. ... Air from above the ocean is colder and more dens

Convection is the transfer of heat caused by a density difference within a fluid. Water becomes less dense and rises as its temperature rises in the presence of a heat source.

What is convection?

Convection is a method of moving heat that is also known as a heat transfer mechanism. When a fluid, such as air or water, is in motion, heat is transferred. Temperature differences across the fluid drive convection.

Differential heating causes convection currents. Warmer (less dense) material rises, while cooler (more dense) material sinks.

This movement is responsible for the formation of circulation patterns known as convection currents in the Earth's atmosphere, water, and mantle.

Convection is the heat transfer resulting from variations in density within a fluid. In the presence of a heat source, water becomes less dense and rises in density.

Thus, this is the role of density changes in a convection cycle.

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Fungi compose a very minor component of life in marine ecosystems yet are vital to the health of terrestrial ones. This is primarily due to their ability to:

Answers

Answer:

Break down lignin.

Explanation:

The continual slow degradation of the phenolic portions of lignin (humic acids) provides a long-term supply of nutrients to plants. Phytoplankton (the primary producers in aquatic systems) do not synthesize appreciable amounts of lignin, and so fungi are not necessary to decompose it!

Help with questions in image

Answers

Answer:

A) bird

B) snake

C) grass

D) cricket

E) should be snake

im sorry i dont know what F is

Explanation:

Tucker and Micayla are conducting an experiment about cellular respiration. The purpose of their experiment is to find out if plant cells utilize celluid!
respiration in addition to photosynthesis. They begin by filling one test tube with glass beads, one with dried (non-germinating) peas, and one with
peas that have been soaked and have begun to germinate
Glass beads Dry peas Germinating peas
growth and reproduction pipettes carbon dioxide
eat
make
oxygen
Look at the diagram. A product of cellular respiration is
A reactanto cellular respiration is
energy for
The differences that plants first
respiration, whereas animals must
which can escape from the test tubes through the
which will be used up. Plants, like animals, need
food that later undergoes cellular
food
Review progress
Question 22
of 25
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Answers

Cellular respiration is commonly described as a metabolic pathway that reduces glucose and produces ATP. The answers are in the bullet point below:

The test group will undergo cellular respiration is the germinating peas. This is because they have been placed in an environment/conditions aid or  start to grow. This implies hat they are the only test group that can under cellular respiration. They  ATP for their growth.

A product of cellular respiration is carbon dioxide, which can escape from the test tubes throw the pipettes. A reactant of cellular respiration is oxygen, which will be used up. Plants, like animals, need energy for growth and reproduction. The difference is the plants first make, food, then undergo cellular respiration, whereas animals must eat, food, then undergo cellular respiration to make the energy from food available.

In Cellular respiration process, organisms utilizes the oxygen so as to break down food molecules and in turn produce chemical energy for cell functions.

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Tucker and Micayla are conducting an experiment with cellular respiration. The purpose of their experiment is to find out if plant cells utilize cellular respiration in addition to photosynthesis. They begin by filing one test tube with glass beads, one with dried (non-germinating) peas, and one with peas that have been soaked and have begun to germinate. Look at the diagram. Predict which test group will undergo cellular respiration and explain why.

product of cellular respiration is __________, which can escape from the test tubes throw the ________. A reactant of cellular respiration is ________, which will be used up. Plants, like animals, need energy for ______. The difference is the plants first ________, food, then undergo cellular respiration, whereas animals must _______, food, then undergo cellular respiration to make the energy from food available.

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Oxygen is consumed in the mitochondria during oxidative phosphorylation. What is the fate if this oxygen

Answers

Oxygen is consumed in the mitochondria during oxidative phosphorylation. What is the fate of this oxygen? Oxygen can be reduced to water by electron respiratory chain. You just studied 8 terms!

Together, erosion and deposition help shape sand dunes, ____ and deltas.

Answers

Together, erosion and deposition help shape sand dunes, canyons, and deltas.

Need help, will give Brainliest to right answer.


Yeast is added to bread dough because the gas released during respiration makes air pockets and give the bread a fluffy texture. Your friend tries to make bread using yeast, flour, water, and salt. The bread comes out flat. What ingredient is missing?

Answers

Answer:

I would say either oil or eggs?

Explanation:

Only rely on this answer if you're desperate! I don't know...

A life history strategy describes an organism produces offspring and how much energy the organism invests in any given reproductive bout.

a. True
b. False

Answers

I would say false? life history strategy is NOT what your describing
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