PBS

In your notebook, you transcribed this segment of DNA.

GATCGATACCATTCGGCGCATACTTCG

How many codons will be on the resulting mRNA strand?

• 9

• 27

• 13

• 20

When a protein needs to be made, a signal is sent to a cell to turn on the ____ that codes for the needed protein. This is the start of transcription.

Tags

NGSS.HS-LS1-1

During transcription, DNA is read by an enzyme called ___ __________ and produces mRNA (m=messenger).

During translation, small organelles called _________ read the mRNA sequence.

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

These organelles direct tRNA (t=transfer) molecules to bring a specific sequence of _____ _____.

Tags

NGSS.HS-LS1-1

When all the amino acids coded for by a gene link, they fold, and this creates a functional _______.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Be careful and study the codon wheel/chart: How many different codons can produce serine?

• 2

• 4

• 6

What is significant about the DNA strand TAC?

• it will signal the start of transcription

• it will signal that transcription should stop

• it means methionine

• it means valine

Tags

NGSS.HS-LS1-1

Estimate the approximate time of death for the following situation:

A body was found with no evidence of rigor.

• 2 - 6 Hours

• 8 Hours

• Less than 2 Hours

• Less than 1 Hour