Why might scientists need to use human cells in a lab?

Answers

Answer 1

Answer:

To see how a certain product (vaccine) will react with the cells, or how a virus reacts with it.

Explanation:


Related Questions

what is the manitoba school act??

Answers

Answer:

think so

Explanation:

Manitoba Act established the principle of a denominational, Catholic and Protestant school system — in other words, a system of separate schools, with French schools for Catholics and English schools for Protestants.

Okay imma fail this class is hurry please! By the 1490s, what city was the place to be?


Second question: how many men would it take to move the obelisk?

Last question: what happened to Italy in the 12th and 13th centuries?

Answers

Answer:

1. Venice

2. not sure which obelisk

3. the renaissance also the plague

Who led a revolt which resulted in passing more restrictive slave codes?

Answers

One of the most famous slave revolts in American history came in 1831 when Nat Turner led a bloody uprising in Southampton County, Virginia. NAT TURNER
Nat Turner's Rebellion
Nat Turner's Rebellion (also known as the Southampton Insurrection) was a rebellion of enslaved Virginians that took place in Southampton County, Virginia, in August 1831, led by Nat Turner. The rebels killed between 55 and 65 people, at least 51 of whom were white. Hope this helps! I posted it in the comments to.

"How did medieval Europe change after the Crusades? Give me TWO examples" pls help

Answers

Answer:

Millions of lives were lost due to the Crusades; However, many new advancements were spread because of the Crusades.

The Europeans learned about new concepts in math as well as a new numbering system, called Hindu Arabic Numerals, which we still use today.

They gained access to new medical knowledge and a variety of other ideas.

The Crusades also opened up many new trade possibilities with goods that Europeans never had access to before them.

Can you guys tell me to believe and don't give up. I'll give points if you do :>​

Answers

What is the point of quitting gets u know where then farther back than u already were might as well keep going man

Sure imma preach

Listen u should never give up no matter what u keep doing and keep fighting and don't listen or even care about what other ppl think of u ,u focus on u and keep going for it because u are worthy , u are enough , u can do anything u put ur mind to and ur always capable !!!!! Never Give Up :)

8. Why were so many people upset with Hubert Humphrey for winning the
Democratic nomination to run for president at the Chicago Convention?

Answers

Hey!! There’s a corse over this

What did the Federal Highway Act do?
a.
It paid Henry Ford to build inexpensive cars to sell to the working-class.
b.
It allowed only wagons and stagecoaches to operate on newly constructed roads.
c.
It authorized construction of interconnected highways.
d.
It capped road construction at 36,000 miles.

Answers

Answer: paid Henry Ford to build inexpensive cars to sell to the working-class.

A Paid Ford to build cars for the working class

The government of Japan today can best be characterized as

Answers

Answer:

The Government of Japan consists of legislature, executive and judiciary branches and is accountable to the Emperor of Japan. ... The Cabinet has the executive power and is formed by the Prime Minister, who is the Head of Government. He/She/They are designated by the National Diet and appointed to office by the Emperor

What U.S. action at Pearl Harbor ended up helping the Japanese?
The United States had not installed radar at Pearl Harbor.
The U.S. aircraft carriers assigned to Pearl Harbor were not present when the attack occurred.
The U.S. had its ships and planes lined up, making them easy targets for Japanese aircraft.
The United States had no intelligence network in the Pacific.

Answers

Answer: The U.S. Was Trying to Stop Japan's Global Expansion

In September 1940, Japan signed the Tripartite Pact with Germany and Italy, the two fascist regimes then at war with the Allies. Tokyo and Washington negotiated for months leading up to the Pearl Harbor attack, without success .please mark me branlist

So even if the Japanese hadn't attacked Pearl Harbor, their imperial ambitions for Southeast Asia would eventually bring them into conflict with Uncle Sam. FDR had already persuaded Congress to pass the Lend-Lease Act in March 1941 to ensure military aid was being provided to those fighting the Axis Powers.

Explanation:

Senaraikan tiga jenis tanaman yang diusahakan oleh manusia Zaman Prasejarah.​

Answers

Answer:

What?

Explanation:

i need an answer.? Literally​

Answers

Answer: B

Explanation:

1. What was the camp to the furthest point north?

Answers

Kaiserwald in Latvia

Neuengamme concentration camp was the camp to the furthest point north.

What is Neuengamme concentration camp?

Neuengamme was a Nazi concentration camp network in Northern Germany that included the main camp, Neuengamme, as well as more than 85 satellite camps.

It was situated on the grounds of an abandoned construction site on the commercial bank of the Dove-Elbe, a tributary of the Danube River, in the northern German Netherlands suburb Neuengamme.

The Neuengamme camp, created in 1938 near the village of Neuengamme in Hamburg's Bergedorf district, grew to become the largest concentration camp in Northwest Germany.

Therefore, The concentration camp in Neuengamme was the farthest north.

Learn more about the Neuengamme concentration camp, refer to:

https://brainly.com/question/15943629

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What were some of the benefits of using the Erie Canal for transportation?

Answers

Answer:

The Erie Canal in New York is part of the east–west, cross-state route of the New York State Canal System. It was built to create a navigable water route from New York City and the Atlantic Ocean to the Great Lakes, originally stretching for 363 miles from the Hudson River in Albany to Lake Erie in Buffalo

Explanation:

What countries make up the axis powers

Answers

Answer: Axis powers, coalition headed by Germany, Italy, and Japan that opposed the Allied powers in World War II.

Answer:

Germany, Italy, and Japan

Explanation:

These were the countries that were allied against the Allied Power including the United States during World War 2

Jim Crow laws affected African Americans in the South by:

A. taking away their civil rights.
B. forcing them back into slavery.
C. forcing them to attend white schools
D. making them leave the South

Answers

I'm pretty sure its A

cuz Jim crow was after slavery and

there was major segregation so they didn't go to white schools

Answer:

C

Explanation:

The infamous Jim Crow laws protected and enforced segregation.

How has ethnocentrism affected native populations in Africa? (4 points)
a Indigenous children were taken away from parents.
b Pollution has spread across the Pacific Ocean.
c Many nations have built and tested nuclear weapons.
d The people struggle to maintain their political borders.

Answers

Answer:

D.

Explanation:

Answer:

The people struggle to maintain their political borders

Explanation:

The graph shows the number of births in the United
States over a forty-year period.
Today, people born during this period of time would likely
be most interested in maintaining
Number of Births
4.4
4.2
O national defense programs.
O the Social Security Administration.
O food stamp programs.
o the public education system.
4.0
Population in millions)
3.8
3.6
3.4
3.2
3.0
1940
1950
1960
1970
1980

Answers

Answer:

the social Security administration

Explanation:

nobody is getting younger..looking for a Security net

The correct option is The Social Security Administration.

What is The Social Security Administration?

The United States Social Security Administration (SSA) exists as an independent agency of the U.S. federal government that administers Social Security, a social insurance schedule consisting of retirement, disability, and survivor advantages. To privilege for most of these benefits, most workers pay Social Security taxes on their profits; the claimant's benefits are established on the wage earner's contributions. Otherwise, advantages such as Supplemental Security Income (SSI) exist provided based on need.

The Social Security Administration existed established by the Social Security Act of 1935 and stands codified in 42 U.S.C. § 901 (49 Stat. 635). It was formed in 1935 as the "Social Security Board", then adopted its present name in 1946. Its current leader exists Kilolo Kijakazi, who operates on an acting basis.

Hence, The correct option is The Social Security Administration.

Learn more about Social Security Administration refer to:

https://brainly.com/question/10937703

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posting this until someone answers it and it’s not a link

Answers

Answer:

South Africa had finally established a unified, non-racial governing body for rugby. ... Afrikaners still viewed it as a symbol of their racial superiority. These perceptions were reinforced in 1992 when the Springboks faced the All Blacks at Ellis Park stadium for their first international rugby match in eight years.Nov 18, 2020

Explanation:

what did the early slave trades in west and east africa have in common?

Answers

Answer:

they were both Africans and were result of prisoners of war or robbers

Explanation:

How did Africans preserve and share their culture after being forced to come to America as slaves? A. growing traditional African foods B. singing songs and storytelling C. writing long books of traditional stories D. painting elaborate works of art

Answers

Answer:

b

Explanation:

nnnnnnnnnnnnnnnnnnnnnnnnnnnnn

Answer:

singing songs and story telling

Explanation:

study island told me

I need help!

What were the causes of the Arab Slave Trade?

Answers

Answer:The causes were hunger, illness or exhaustion after long journeys. ... But in reality the Arab-Muslim slavery was much greater

Explanation:

In Gothic buildings most of the lines are horizontal; the opposite is true of Renaissance buildings.
true
false

Answers

Answer: Yes that is true

HELPPP! Due in 2 days! This is worth 30 points!
Describe the feudal system in Medieval Europe.

Answers

Answer:Feudalism, also known as the feudal system, is a historiographical term used to describe the combination of the legal, economic, military, and cultural customs that flourished in Medieval Europe between the 9th and 15th centuries.

Explanation:

Answer:

The feudal system in Medieval Europe was like an economic pyramid. The King at the top, followed by nobles, then knights and peasants. The king's role was to own land and govern the people within his society.The nobles provided work for the peasants and protected them. They used this service to provide funds and supplies to the king. The knights were loyal served as protection and bodyguards for the king. They would be payed in the form of land. The peasants made up the majority of the feudal society. They worked in the field and this work was able to provide food and supplies for everyone once it was distributed.

Explanation:

In a 1904 address to Congress, President Theodore Roosevelt stated that the United States would intervene in the finances of countries in the Western Hemisphere who were unable to pay their debts to foreign creditors. Known as the Roosevelt Corollary, this was an addition to which U.S. Foreign policy? A. the Treaty of Paris of 1898 B. the Monroe Doctrine C. the Hay-Bunau-Varilla Treaty

Answers

The correct answer is B) the Monroe Doctrine.

Known as the Roosevelt Corollary, this was an addition to which U.S. Foreign policy?

Answer: the Monroe Doctrine.

The purpose of President Theodore Roosevelt's corollary was to discourage European nations from colonizing Latin America.

US President Theodore Roosevelt was delivering his State of the Union Address in 1904 when he referred to an addition to the Monroe Doctrine that was called the Roosevelt Corollary. The document referred to the capacity of the United States to intervene in issues regarding European nations and Latin American countries, instead of European countries doing it directly.

5 facts and mf characteristics on Judaism

Answers

Judaism, monotheistic religion developed among the ancient Hebrews. Judaism is characterized by a belief in one transcendent God who revealed himself to Abraham, Moses, and the Hebrew prophets and by a religious life in accordance with Scriptures and rabbinic traditions.

brainlest and 10 points

Answers

2 yearsssss!!! :))))))

Answer:

c: 2 years

Explanation:

May 14, 1804-September 23, 1806

Why did Roon and Moltke reproach Bismarck for threatening to resign?

Answers

Anonymous

I HOPE IT'S HELP

please mark in brain list

Define or explain the importance of the following:

Hideki Tojo

Bataan Death March

Chester Nimitz

Island-Hopping

Kamikaze

Manhattan Project

Enola Gay

Questions:

1. During the attack on Pearl Harbor, 1,103 American sailors were killed when they were entombed aboard what U.S. ship?

2. The U.S. was fortunate that what type of ship was not in Pearl Harbor during
the attack?

3. By breaking this, the U.S. was aware that the Japanese intended to attack
Midway:

4. Why was the Battle of Okinawa considered the bloodiest battle of the Pacific
War?

5. Explain the contributions of Enrico Fermi regarding the Manhattan Project:

6. Why were the Japanese reluctant to surrender during the final weeks of World War II?

Answers

Answer:

idrk

Explanation:

.....

What is popular sovereignty? States choose (vote) whether to have slavery or not. States choose (vote) whether to have slavery or not. The Congress and Federal government decide on whether states will have slavery or not. The Congress and Federal government decide on whether states will have slavery or not. Outlawed slavery in the North after the American Revolution. Outlawed slavery in the North after the American Revolution. Allowed the South to have as many slaves as they wanted in any state they chose to go to. Allowed the South to have as many slaves as they wanted in any state they chose to go to. Stated that slavery may not exist in any state below the 36º 30º parallel.

Answers

Explanation:

popular sovereignty was when territories decided to enter the United states as free or slave states

Who reigned around the same time as Charles V of Holy Roman Empire?
A. Henry VIII
B. Louis XIV
C. Charlemagne
D. Elizabeth I

Answers

Answer:

Charles V, Holy Roman Emperor

Could you please help me with the recent question of mine unanswered on my page? I will give u brainliest and 20 points! :))) X

Answer:

A. Henry VIII

Explanation:

Charles V, reign= 1519-56

Henry VIII= 1509-1547

Louis XIV=1643-1715

Charlemagne= c. 742-814

Elizabeth I= 1558-1603

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Which french solider became a general in the french revaluation At the zoo, the length of each iguana is measured. Which statement is best supported by the information below?A. Over half of the iguanas measure 14 centimeters or more in length.B. 25% of the iguanas measure 12 centimeters in length.C. The number of iguanas that measure 15 centimeters or more is equal to the number that measure 11 centimeters or less. Which of the following statements correcetley describe the Glorious revolution?A.the outcome of the revolution used to justify the divine right to ruleB. the effects of the glorious revolutions led a social revolution in EnglandC.the effects of the glorious revolution threatened dutch maritime powerD.the outcome of the glorious revolution was welcomed across Europe E.the outcome of the glorious revolution established parliamentary supremacy Use the Venn diagram. Decide if each statement is true. Choose True or False for each statement. By following Jesuss teachings, Christians believe they can attain A violent incident occurred in India on April 13, 1919. It involved a British military commander ordering his forces to open fire on peaceful protesters. This incident sparked an international outrage.The incident was called the ------. hii please help asap ill give brainliest thanks A 3mL sample of a 200 Molar solution is left open on a labcounter for two weeks, after which the concentration of the solution is 6 M. What is the new volume of the solution? Do you agree with Friedman that monopolies are dangerous and that they exploit customers? Or do you feel they serve a positive purpose in the economy? 3) Bob deposits 15% of \$160 into a savings account, what is the amount of his deposit ? Pls answer questions 6,7,8, and 9 WHO EVER ANSWERS THE CORRECT ANSWER GETS BRAINLEST Under what condition can the Supreme Court strike down a law?a. when it goes against the Constitutionb. when it has been vetoed by the presidentc. when it does not have the support of a circuit courtd. when it does not have the support of two-thirds of Congress Why did John Locke feel the government "is not to provide for the truth of opinion but for the safety and security?" Summarize how the loss of energy between each level of an energy pyramid affects an ecosystem Two years ago there were 20 trailer homes on Elm Street with an average age of 18 years. At that time, a group of brand new trailer homes was then added to Elm Street. Today, the average age of all the trailer homes on Elm Street is 14 years. How many new trailer homes were added two years ago? How do you think culture shapes our view of acceptable andunacceptable behaviors? Do you think there are certain cultures where a wider range ofbehaviors are more acceptable than in other cultures, where there might be more strictrules that govern behavior? (This second question is relevant to a discussion of "tight" and"loose" cultures, see the reference below.) HELP ASAP!!! IF U SEND LINKS ILL REPORTThis question has two parts. First, answer part A. Then, answer part B.Part AThomas Edison invented film that moved past light. What happened as a result? A. Sound was matched to film. B. Films became a social event. C. Filmed objects became visible. D. Things appeared to be moving.Part BWhich sentence from the text describes this result? A. A few years later, in 1889, Thomas Edison developed a machine called the Kinetoscope. B. When people watched, it seemed as if filmed objects and humans were moving. C. Only one person at a time could watch the film, but viewers were amazed, and the Kinetoscope soon became very popular. D. In France in 1895, the Lumiere brothers created a machine that could take movies and show them, too. Find the value of x in the triangle shown below. 1 : A customer claims that he has not received the item since 1 month after his order. He asked you to refund his order immediately. However, the item has been shipped with a tracking system and according to the tracking information, the item has been deliveried on time. Why did the federal government combine several agencies into the Department of Homeland Security?A. to prevent future acts of terrorism in the United States through coordinationB. to investigate if the September 11th attacks could have been preventedC. to investigate whether to bring charges for the September 11th attacksD. to prevent the unconstitutional implementation of the Patriot Act