Biology – Proteins

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Biology – Proteins

Use the internet, textbooks or your notes to answer the questions below.

You may work with a partner and turn in one sheet of paper with the answers on it.

You may not turn this in typed. (No cutting and pasting.)

1.

What is a protein?

2.

What are amino acids?

3.

How many amino acids are found in proteins?

4.

Are all amino acids similar in chemical structure?

5.

Specific proteins called _________________promote chemical reactions.

6.

________________________is the most abundant protein in the human body.

7.

List 5 different places proteins are used in the human body.

8.

What is a nucleic acid?

9.

_____________, __________________and ____________________are 3 parts of a nucleotide.

10.

_______________________are the cellular structures on which proteins are made.

11.

Explain the difference between a gene and DNA.

12.

Watson and Crick determined that the shape of DNA is a ____________________ helix.

13.

What are base pairing rules?

14.

If a sequence of nitrogen bases on one strand of DNA is GCTAACTAGTGA, what would the nitrogen bases be on the complimentary strand of DNA?

15.

Where in the cell is DNA found?

16.

Where in the cell is RNA found?

17.

Like DNA is the abbreviation for deoxyribo-nucleic acid, RNA is the abbreviation for _____________.

18.

Unlike DNA, RNA has the nitrogen base __________instead of _____________.

19.

If the N-base code is UAGCU, is the molecule DNA or RNA?

20.

The “m” in mRNA stands for______________.

21.

If a sequence of nitrogen bases on a strand of DNA is GCTAACTAGTGA, what would the nitrogen bases be on mRNA?

22.

If a sequence of nitrogen bases on one strand of DNA is GCTAACTAGTGA, what would the amino acids be that are contained in the protein that is produced?

23.

In your own words, define transcription -

24.

In your own words, define translation -

25.

Which organelle is responsible for making proteins?

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