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DNA and chromatin regulation | Biomolecules | MCAT | Khan Academy

200,110 views

khanacademymedicine

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English

Speech Time:

99%
  • 5:17 / 5:20

Speech Rate:

  • 133 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

beginning

/bəˈɡiniNG/

adjective noun verb

new or inexperienced. First part of an action or task. To do the first part of an action; to start.

modification

/ˌmädəfəˈkāSH(ə)n/

noun

action of modifying something.

wrapped

/rap/

verb

To be or move around something.

appropriate
adjective verb

suitable or proper in circumstances. To set aside money for a specific later purpose.

versatility

/ˌvərsəˈtilədē/

noun

Attribute of having a wide variety of skills.

supercoiled

/ˈso͞opərˌkoild/

adjective

(of substance) formed into superhelix.

modulated

/ˈmäjəˌlāt/

adjective verb

Altered in volume as well as tone or pitch. exert modifying influence on.

chromosomes

/ˈkrōməˌsōm/

noun other

structure of nucleic acids and protein. Cell structures that carry the genetic material.

express

/ikˈspres/

adjective noun verb

Traveling at high speed. Fast train or bus. To state or show what you think or how you feel.

different

/ˈdif(ə)rənt/

adjective

not same as another or each other.

helical

/ˈhēlik(ə)l/

adjective

having shape or form of helix.

virtually

/ˈvərCH(o͞o)əlē/

adverb

In an almost complete or entire manner.

transcription

/ˌtran(t)ˈskripSH(ə)n/

noun

Something written from spoken material.

initiation

/iˌniSHēˈāSH(ə)n/

noun

action of admitting someone into secret or obscure society or group.

chromatin

/ˈkrōmədən/

noun

Readily stainable substance of a cell nucleus consisting of DNand RNand various proteins; during mitotic division it condenses into chromosomes.

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