Background for pyrimidines
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pyrimidines

/pɪˈrɪmɪdiːnz/ /paɪˈrɪmɪdiːnz/

Meanings
noun
A diazine in which the two nitrogen atoms are in the meta- positions; it is the basis of three of the bases found in DNA and RNA: thymine, uracil and cytosine

Examples :

"The science lesson explained that pyrimidines, like thymine and cytosine, are essential building blocks of DNA's genetic code. "
chemistry biochemistry biology compound

Related Words

Illustration building

building noun

/ˈbɪl.dɪŋ/

The act or process by which something is built; construction.

"The building of the bridge will be completed in a couple of weeks."

Illustration uracil

uracil noun

/ˈjʊrəsɪl/ /ˈjʊrəsəl/

One of the bases of RNA, pairing with adenine.

"In RNA, uracil replaces thymine and pairs with adenine to form part of the genetic code. "

Illustration positions

positions noun

/pəˈzɪʃənz/

A place or location.

"The teacher assigned students to different positions in the classroom. "

Illustration essential

essential noun

/ɪˈsɛn.ʃəl/

A necessary ingredient.

"Salt is an essential for cooking a good soup. "

Illustration blocks

blocks noun

/blɒks/ /blɑks/

A substantial, often approximately cuboid, piece of any substance.

"a block of ice"

Illustration explained

explained verb

/ɪkˈspleɪnd/

To make plain, manifest, or intelligible; to clear of obscurity; to illustrate the meaning of.

"To explain a chapter of the Bible."

Illustration cytosine

cytosine noun

/ˈsaɪtəsiːn/

A heterocyclic base, 4-aminopyrimidin-2(1H)-one, which pairs with guanine in DNA and RNA (by means of three hydrogen bonds).

"In the DNA sequence, cytosine always pairs with guanine, like two puzzle pieces fitting together. "

Illustration lesson

lesson noun

/ˈlɛsn̩/

A section of learning or teaching into which a wider learning content is divided.

"In our school a typical working week consists of around twenty lessons and ten hours of related laboratory work."

Illustration genetic

genetic adjective

[d͡ʒəˈnɛtɪk]

Relating to genetics or genes.

"My brother has a genetic predisposition to being a good athlete. "

Illustration science

science noun

/ˈsaɪəns/

A particular discipline or branch of learning, especially one dealing with measurable or systematic principles rather than intuition or natural ability.

"Of course in my opinion Social Studies is more of a science than an art."

Illustration nitrogen

nitrogen noun

/ˈnaɪ.tɹə.dʒən/

The chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.

"The air we breathe is mostly nitrogen. "

Illustration thymine

thymine noun

/ˈθaɪmɪn/

A heterocyclic base, 5-methylpyrimidine-2,4(1H,3H)-dione; it pairs with adenine in DNA.

"During biology class, we learned that thymine is a chemical component of DNA. "