Match the type of ELISA with what it is used to detect. Question 2 options: detects presences and concentration of antigen/protein detects presences and concentration of antibody 1. indirect ELISA 2. sandwich ELISA

Answers

Answer 1

Answer:

ELISA is a technique of enzyme linked immunosorbent assay.

Explanation:

The full form of Elisa is enzyme linked immunosorbent assay. The ELISA technique is a boichemical technique that is used to measure the amount of protein or the antibody in a solution and is divided into three types :

Competitive ELISADirect ELISA or Sandwich ELISAIndirect ELISA

1. Indirect ELISA ---  detects the presences and concentration of the antibody.

2. Sandwich Elisa or Direct ELISA  ---  detects the presences and concentration of the antigen/protein.


Related Questions

Which is NOT involved at the beginning
of a nerve impulse?
A. reaching the threshold
B. strong stimulus
C. sodium leaving the cells
D. negative charge inside the cell

Answers

Answer: the answer would be C

Sodium ion do not leave at the beginning of the nerve impulse.

They leave after the gated channel opens up after receiving a stimulus.What is a nerve impulse? It is an electrical signal that travels along a nerve fiber in response to a stimulus and serves to transmit record of sensation from a receptor or an instruction to act to an effector.Nerve impulse begin at dendrite and then move toward the cell body of neuron.

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Identify the object with greatest inertia.
Bowling ball
Tennis ball
Billiard ball
Basket ball

Answers

Answer:

Bowling ball

Explanation:

Bacteria are organisms that reproduce asexually. How is it better for them than reproducing sexually.

Answers

Answer: they don't have a reproductive system

Explanation:

All organisms need a place to live that provides? I

Answers

Answer:

food shelter water

Explanation:

food shelter water

A common genetic mutation that lowers levels of the enzyme cathepsin C severely reduces a person’s ability to ward off periodontitis, or gum disease. The enzyme triggers immunological reactions that destroy diseased cells and eliminate infections
in the mouth. But researchers are developing ways to restore the enzyme to normal levels. Once that happens, we will be able to eliminate periodontitis.
Which one of the following is an assumption on which the argument depends?
(A) Restoring cathepsin C to normal levels is the only way to eliminate periodontitis.
(B) Genetic mutation is the only cause of lowered levels of cathepsin C.
(C) Researchers will soon succeed in finding means of restoring cathepsin C to normal levels.
(D) Persons who do not have the genetic mutation that lowers levels of cathepsin C do not get gum disease.
(E) A person whose cathepsin C level has been restored to normal will not suffer from periodontitis.

Answers

Answer:

(E) A person whose cathepsin C level has been restored to normal will not suffer from periodontitis.

Explanation:

Considering the fact that there may be some other causes of periodontitis aside from the lowered levels of the enzyme.

Therefore, should there be some other causes of periodontitis, hence, it can be concluded the process of restoring the enzyme to normal levels might not be sufficient for eliminating periodontitis.

Hence, the author's argument is solely based on this assumption, and option. Hence, option (E) is the correct answer.

Hurry plz
Select each item in the left column and its match in the right column.

Answers

Answer:

Explanation:

Diploid - Having pairs of chromosomes

Chromosome - A strand of DNA wrapped around a protein

Haploid - Having only one set of unique chromosomes

DNA - The molecule that carries genetic information

Sex Chromosome - An X or Y chromosome

Homologous Chromosome - A pair of chromosomes that contain information for the same traits

Which animal population do scientists frequently study in order to identify specific ways to evaluate the impacts of contaminants on biological communities?

a. bottlenose dolphins

b. giant tortoises

c. mallard ducks

d. swan geese

Answers

Answer:

mallard ducks I think so

Answer:

D.

Explanation:

Galapagos tortoises have been and continue to be threatened by predation and habitat destruction from invasive species, and increasing human

You treat a sample of DNA with DNase and run the digested fragments out on an electrophoretic gel. You found mostly long fragments. What can you conclude about this sample of DNA

Answers

Answer:

the sample contains mostly heterochromatin  

Explanation:

Heterochromatin refers to a highly condensed state of DNA, whereas euchromatin is lightly packed. It is for that reason that heterochromatin is associated with a transcriptionally inactive state, whereas euchromatin regions are active for transcription. Heterochromatin regions resist DNases because these enzymes don't cut DNA randomly, but they show sequence preference. In consequence, highly repetitive DNA heterochromatin regions (e.g., centromeres, telomeres, etc) may exhibit resistance to DNA cleavage.

Molecules that do not contain carbon are called inorganic.

true
false

Answers

Answer: true

Explanation:

it does contain carbon

Organic molecules contain carbon and inorganic molecules do not contain carbon. Organic molecules are synthesized by living things and inorganic molecules are not. Organic molecules are consumed by living things and inorganic molecules are not. All organic molecules contain carbon, bonded to other elements.

So true.

Orcas, or killer whales, are natural predators of sea otters. It has been observed that in regions where the sea otters are not present, sea urchins grow rapidly and destroy much of the natural kelp vegetation. Which of these statements is correct in this context?

Answers

Answer:

D)  Sea otters are a keystone species as they prevent a herbivorous species from completely destroying a plant species.

Explanation:

Identify the biotic factor of an ecosystem from the following

Answers

Answer:

Ecosystems are influenced by both biotic and abiotic factors. Biotic factors include animals, plants, fungi, bacteria, and protists. Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.

a ___ is made up of nonliving pieces of DNA or RNA wrapped in a protein shell.

Answers

A pathogen is made up of nonliving pieces of DNA or RNA wrapped in a protein shell.

Answer:

Virut

Explanation

Nhìn chung các loại virus bao gồm các phần cấu tạo sau:

- Lớp vỏ protein

- Bên trong là nucleic acid (DNA hoặc RNA).

- Một số loại virus có màng bao

Which organism in the food web below is found in the first trophic level of the
ecosystem?

A. Fungus
B. Strangler fig
C. Fruit bat
D. Sloth

Answers

A fungus because all the other animals get energy from the plants

Fungus is the organism in the food web displayed in the image in the first trophic level of the ecosystem.

What is trophic level?

Trophic level is defined as the position of an organism in the food chain or food web.

The trophic level consists of organisms at different levels. The first trophic level is made up of producers that initiate the transfer of energy.

According to this question, an image showing a food web is given. The first trophic level in this food web is the fungus because it starts the energy transfer.

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1. What are the four components of Physical Fitness?

Answers

Explanation:

Muscular Strength

Muscular endurance

Flexibility

Body Composition

Describe how pollution can cause acid rain, and how acid rain affects the ecosystems of surrounding areas?

Answers

Pollution specifically air pollution can cause acid. Gases such as sulphur (IV) oxide and Nitrogen (IV) oxide when they are released into the atmosphere and comes into contact with precipitation, that is rain water causes acid rain. Sulphurous acid and Nitric acid is formed thus the rain falls in acidic form.

Acid rain when it falls on the leaves of the flora (plants) causes removal of the green colouring matter (chlorophyll) thus making plants to be deficient of food. Food in plants is made my the process of photosynthesis, removal of chlorophyll in plants kills them due to lack of food.

Also when acid rain finds it's way into the water bodies through surface runoff, aquatic animals such as fishes die due to lack of favourable environment and oxygen deficiency in water. Acidity in the soil also kills important decomposers therefore soil aeration is altered.

acid rain can affect the surrounding areas by ruining its ecosystem

Trees grow more quickly in the ________ than the ________, and the tree rings show up as ________ colored bands.

summer, winter, darker
summer, winter, lighter
winter, summer, lighter
winter, summer, darker

Answers

Answer:

Its summer, winter, darker.

Explanation:

This is the answer I hope it helps you out.

Trees grow more quickly in the summer than in the winter, and the tree rings show up as darker colored bands.

What are seasons?

A season exists the year that stands determined by particular climate conditions. The four seasonsspring, summer, fall, and winter—follow one another regularly. Each includes its light, temperature, and weather designs that repeat yearly.

Summer exists the hottest of the four temperate seasons, happening after spring and before autumn. At or centered on the summer solstice, the earlier sunrise and latest sunset happen, daylight hours exist longest and dark hours exist shortest, with day length falling as the season progresses after the solstice.

Winter, the coldest season of the year, between autumn and spring; the name arrives from an old Germanic word that represents “time of water” and guides to the rain and snow of winter in middle and increased latitudes.

Hence, Trees grow more quickly in the summer than in the winter, and the tree rings show up as darker colored bands.

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Describe the difference between a benign and malignant tumour

Answers

Answer:

Explanation:

A benign tumor isn’t cancerous while a miligment tumor is

Give two reasons why humans need a balanced ecosystem.​

Answers

Answer:

1To purify the air so we can breathe properly

2Sequester carbon for climate regulation

Why has the number of people in the world increased if the human population growth rate has decreased?

Answers

Answer:

Life expectancy has steadily risen.

People live longer lives.

To understand the reasons why the number of people in the world has increased and the population growth rate has decreased, it is necessary to understand how the world's demographic growth rate is calculated.

The calculation is made from the balance between the total number of people alive and the total number of deaths that occurred in a period of time.

Therefore, we can understand that the population growth rate has decreased due to several relevant factors, such as:

Increased life expectancy.The decrease in infant mortality.Rising fertility rates.Urbanization.Economic development.

These are some of the reasons that help us understand why population numbers increase and population growth rate decreases.

Economic development, new technologies and a better quality of life for the population are directly related to the decrease in the population growth rate.

Learn more here:

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In a population of wild bees, a mutation resulted in slightly larger wingspan in some of the bees. This larger wingspan made the bees more efficient in their flights to flowers to collect nectar. Thus, these bees became more successful. This trait was passed on to offspring, and eventually the larger wingspan variety of bee replaced their smaller-winged relatives completely. It could be said that ____ favored the bee with the larger wingspan, and so the ____ evolved

Answers

Answer:

The correct answer is - natural selection, population.

Explanation:

In this case, the wild bees population experienced a mutation which helps in become more eeficient to fight for nector. This bees population is more sucessful to other that didnt recieved mutation and this mutation as it is adavtageous.

Natural selection always favored beneficial traits for the organisms to eveolved in generation therefore, these population is more succesful and replaced the short winged bees.

which one produces proteins?​

Answers

Ribosomes are protein builders. So i think that’s the answer

Answer:

Ribosomes are complex molecular machines in living cells that produce proteins from amino acids in a process known as protein synthesis or transformation. The process of protein synthesis is a primary function performed by all living cells.

So I think the answer is ribosome

Explanation:

The use of another orga....​

Answers

Answer:

C biological control.

Explanation:

Biological control because a natural organism is controling pest. Unlike using pesticides. That would be chemical control. lol

Answer:

C. Biological Control

Explanation:

The use of biological beings such as organisms to control pest andm uch more is considered to be Biological Control

Which of these statements is true about autotrophs, but not heterotrophs?
They use sugar and oxygen to make carbon dioxide and water.
They use chlorophyll and oxygen to make carbon dioxide and water.
They use sunlight, water, and carbon dioxide to make sugars.
They use sunlight, water, and oxygen to make chlorophyll.

Answers

Answer:

3rd one i think

Explanation:

autotrophs make own food

think about the photosynthesis equation which requires lights, co2 and water to make glucose

Why Nepal is favourable for sericulture?​

Answers

Answer:

Why Nepal is favourable for sericulture

Explanation:

Mysuru and North Bengaluru in Karnataka are famous for their silks and are called the “Silk City” as they majorly contribute to the silk production in India

I need help answering this

Answers

Answer:

A. 100%.

Explanation:

Since both spiders have either AA or aa, every possible combination would result in an Aa genotype. And, because A is dominant to a, they will all display the A trait—be patterned instead of plain.

So it is 100%.

The theory of natural selection states that

Answers

Answer:

Natural selection is a mechanism of evolution. Organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success. This process causes species to change and diverge over time.

Explanation:

Which is one function of steroids

Answers

Steroids have a number of different functions but essentially all act as hormones in the body.

Select all the correct answers. Which two examples may be converted into fossil fuel after being buried under pressure for a long period of time?

Answers

Answer:

Coal and petroleum.

Explanation:

Coal and petroleum are the two examples that can be converted into fossil fuel after being buried under pressure for a long period of time. Both coal and petroleum formed underground with the presence of very high temperature and pressure. Coal is formed when the plant material is placed under high temperature and pressure for thousand of years while on the other hand, petroleum formed when dead bodies of animals are present underground for a very long time with a suitable pressure and temperature turn into petroleum.

write the four names of disease,causative agent,disease spread mechanism, precautions.

give the correct answer.​

Answers

Explanation:

hhxuxjxcjieidie you doing today I don't euheudux ruurjf don't know e u you have uhcjfudjrjfju jfjfjfjfjjffj y I will call him tomorrow is fine with Grace to call you back I don't think so much and have been in contact and o I don't think so I have no clue how was the office and they are going home for the holidays so much energy and o o to working together you are welcome dear I will

Which type of cell adhesion is useful for anchoring cells together and defending against shear forces on tissues

Answers

Answer:

Desmosomes

Explanation:

Desmosomes are cellular structures that adhere to neighboring cells. Its function is to hold the epithelial cells together, associating the intermediate filament cytoskeletons of neighboring cells, thus forming a transcellular network with high resistance to mechanical traction. It thus allows the cells to maintain their shape and the epithelial sheet to exist in a stable form. Inside cells act as anchoring sites for intermediate rope-shaped filaments, which form a structural network in the cytoplasm providing a certain rigidity. Through these junctions the intermediate filaments of the adjacent cells are indirectly connected forming a continuous network that extends throughout the tissue.

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