U6-P9_ RNA.pptx

• newEditor
• Biology
• 9th Grade

RNA

Inheritance of Traits

What are we learning about today?

A

DNA

B

RNA

C

CNA

D

Nothing

I am learning about the three different types of RNA.

1. I can identify the three parts of an RNA nucleotide.

2. I can compare and contrast the structures and functions of RNA vs. DNA.

3. I can describe the roles of each type of RNA (mRNA, tRNA, & rRNA) using a graphic organizer.

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Essential Question

• Ribonucleic acid (RNA) is similar to DNA in structure but different in function. RNA is involved in coding, regulating, and expressing genes.

What is RNA?

Pair-share/ Popcorn

DNA = DeoxyriboNucleic Acid

Predict what RNA stands for.

• RNA is single stranded.

• The sugar in RNA is Ribose

• RNA has the base → URACIL

  • Instead of Thymine

  • DNA to RNA

A = U

T = A

What is RNA?

Pair-share/ Popcorn

Why would RNA need to have a difference?

• Messenger RNA (mRNA)

• Ribosomal RNA (rRNA)

• Transfer RNA (tRNA):

There are three kinds of RNA:

• the type of RNA that transcribes (copies) the genetic code (message) of DNA. It carries this message from the nucleus to ribosomes in the cytoplasm.

Messenger RNA (mRNA)

• the type of RNA that makes up a ribosome. Ribosomes read mRNA.

Ribosomal RNA (rRNA)

• the type of RNA that brings amino acids to the ribosome (translates message) during protein synthesis.

Transfer RNA (tRNA)

Summary

mRNA is like a ….. in that it delivers ….. to ……

G A U A U A G A G