Todas as questões do ENEM

A duplicação do DNA é uma propriedade que permite transmitir informação genética às células-filhas. A produção do RNA, a partir do DNA relaciona-se a:

Disponível em: <https://br.pinterest.com/pin/326511041705887079/>. Acesso em: 5 dez. 2022.

Mark the correct alternative which can be answered by the text.

Em vários rótulos de temperos industrializados é possível perceber-se a utilização do glutamato monossódico monoidratado. Esta substância é um aditivo utilizado como reforçador de sabor em alimentos e tem a seguinte fórmula estrutural:

A análise dessa fórmula leva a concluir que esse aditivo

When most of us think back to our childhood school days, we can also remember at least a handful of kids who thought history class was a drag. To (1) them, history just seemed like a jumble of names and dates attached to events long over with and people long dead. What was the point of learning (2) it at all?

They didn’t know then that history was one of the most important subjects they’d ever study. Here we’ll take a closer look at why history is important and explore why everyone should make it a point to study it in depth.

History helps us understand ourselves.

To understand who you are, you need to develop a sense of self. A large part of that is learning where you fit into the story of your country or the global community in the grand scheme of things. History tells you the story of how your nation, city, or community came to be everything that it is. It tells you where your ancestors came from and tells you who (3) they were. Most importantly of all, it gives you the ability to spot (and appreciate) the legacies you may have inherited from (4) them.

Arcadia Publishing. Why it's important that we study History. Available in:https://www.arcadiapublishing.com/Navigation/Community/Arcadia-andTHP-Blog/June-2016/Why-It%E2%80%99s-Important-That-We-Study-History. Access in: July, 22 2020 (Adapted).

Escolha a alternativa cujas expressões se referem, correta e respectivamente, às quatro palavras destacadas e numeradas no texto.

Poste date: Tuesday, March 29, 2022

About the text, you can affirm that 

Seres unicelulares, procariontes, fotossintetizantes, excelentes fixadores ou assimiladores de nitrogênio do ar (N2), formam com facilidade nitritos e nitratos. Estas são características de:

By Sipur Joseph

In recent years, ethical issues regarding our energy use and systems have (1)___ been at the forefront of the global conscious. Growing awareness of climate change has led us to question how we’re producing and using energy, and how sustainable these practices are.

These ethical (2)___ are more important now than ever. The IPCC has predicted that global temperatures will rise by up to 10 degrees over the next century, and this is largely due to emissions from energy production. In fact, 90% of all carbon emissions caused by human activity come from fossil fuels.

(3)___, this shows no signs of reducing, with the International Energy Agency predicting that Chinese emissions will double by 2035.

To keep global temperature increases within manageable levels, we need to leave 80% of our current fossil fuel reserves underground. As such, the need for ethical alternatives to fossil fuels is greater now than ever. Here are 3 of the most promising alternative fuel sources that could (4)___ us to turn things around: solar power, wave energy and wind energy.

JOSEPH, Sipur. 3 of the Best Ethical Alternatives to Fossil Fuels. Energy Central Pulse. The Energy Collective Group. Published in: 01 August 2019. Available in: https://energycentral.com/c/ee/3-best-ethical-alternatives-fossil- fuels Access in: July, 20 2020 (Adapted).

Quatro termos foram omitidos no texto. Escolha a alternativa que apresenta as palavras que completam, correta e respectivamente, as lacunas no texto. 

Poste date: Tuesday, March 29, 2022

Japan is a communal culture, where it is key to blend in. While a suit in Western countries can include some variety in color and design, in Japan it is quite important to stick to black, gray or navy with a neutral shirt and tie. Even though Japanese business attire is very conservative, a quality suit will be taken note of. The neat, dark suit is code for respect, and this is vital to remember.

About the paragraph, it is correct to say that 

By Philip K. Wilson

Arthur Conan Doyle, in full Sir Arthur Ignatius Conan Doyle, (born May 22, 1859, Edinburgh, Scotland—died July 7, 1930, Crowborough, Sussex, England), Scottish writer best known for his creation of the detective Sherlock Holmes — one of the most vivid and enduring characters in English fiction.

Conan Doyle began seven years of Jesuit education in Lancashire, England, in 1868. After an additional year of schooling in Feldkirch, Austria, Conan Doyle returned to Edinburgh. Through the influence of Dr. Bryan Charles Waller, his mother’s lodger, he prepared for entry into the University of Edinburgh’s Medical School. He received Bachelor of Medicine and Master of Surgery qualifications from Edinburgh in 1881 and an M.D. in 1885 upon completing his thesis, “An Essay upon the Vasomotor Changes in Tabes Dorsalis.” While a medical student, Conan Doyle was deeply impressed by the skill of his professor, Dr. Joseph Bell, in observing the most minute detail regarding a patient’s condition. (01)___. Other aspects of Conan Doyle’s medical education and experiences appear in his semiautobiographical novels, The Firm of Girdlestone (1890) and The Stark Munro Letters (1895), and in the collection of medical short stories Round the Red Lamp (1894). (See also Sherlock Holmes: Pioneer in Forensic Science.)

WILSON, Philip K. Arthur Conan Doyle - British author. Published in July 3, 2020. Encyclopaedia Britannica. Available in: Access in: July, 23 2020 (Adapted).

One sentence is missing in the text. According to the context, choose the alternative which correctly completes the idea of the text in the gap [showed in bold and numbered as 01 in the text].

Os vegetais conhecidos como epífitos, por exemplo, as orquídeas, são:

Eis dois homens frente a frente: um que quer servir; o outro que aceita, ou deseja ser chefe. O primeiro une as mãos e, assim juntas, colocaas nas mãos do segundo: claro símbolo de submissão, cujo sentido, por vezes, era ainda acentuado pela genuflexão. Ao mesmo tempo, a personagem que oferece as mãos pronuncia algumas palavras, muito breves, pelas quais se reconhece ‘o homem’ de quem está na sua frente. Depois, chefe e subordinado beijam-se na boca: símbolo de acordo e amizade. Eram estes […] os gestos que serviam para estabelecer um dos vínculos mais fortes que a época feudal conheceu. (EIS DOIS HOMENS, 2022).

A cerimônia descrita é a 

Mark the correct alternative which contains synonyms linked to the meaning in the text.

Source: SCHULZ, Charles M. Comic strip Peanuts - Snoopy. Available in: https:// weheartit.com/entry/119469395 Access: July, 22 2020.