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1. How do oxidation/reduction reactions and hydrogenation/dehydrogenation reactions affect how cells obtain energy?

2. How do peptide bonds, polypeptides and polypeptide chains relate to amino acids?

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Collen Von
Collen VonLv2
28 Sep 2019

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Related questions

a)If you have 14 amino acids in a polypeptide chain, how manypeptide bonds are there in the polypeptide chain?

b) T/F R groups affect peptide bond formation.

c)What is unique about the peptide bond and how does thischaracteristic affect the length of the bond?

d)What are the 3 Greek torsion angles and between what atoms arethey located?

e)What is the dominant peptide bond conformation and why is thisso? What amino acid exhibits the other conformation?

e)If you have 10 different amino acids and want to make apolypeptide chain of 6 amino acids, how many theoreticalcombinations of amino acids could you make?

f)If the molecular weight of a protein is 2000 Da, how many aminoacids are in the protein?

How do oxidation and reduction reactions correlate to energy flow in cells?

Protein Structure

a.Different function of proteins and examples:

b. Protein building blocks:

1. atomic composition of building block:

2. "parts" or "functional groups" of the building block:

c. Importance of side chain (R group):

d. Hydrophobic amino acids characteristics:

e. Hydrophilic amino acids characteristics:

f. Charged amino acids characteristics

Copy and complete the table below regarding the characteristics and which groups in the polypeptide interact together at each structural level of the protein.

characteristics

groups interacting

Primary structure

Secondary structure

Tertiary structure

Quartenary structure

Value: 2

Choose the correct statement(s). You may choose more than one answer.

[mark all correct answers]
a. Proteins are the building blocks of amino acids.

b. Enzymes are a type of protein.

c. Quartenary structure consists of two or more polypeptide chains interacting.

d. Amino acids are made of carbon, hydrogen, nitrogen and phosphorus.

e. The primary structure of a protein is formed due to the interaction of side groups.

Value: 3

Put the following statements regarding the structural levels of a protein formation in the correct order.

Below is a sequence of events. Place them in the order they should occur, number 1 being the first item. Select the step number from the drop down next to each item.

Items to order:

1. Individual amino acids are bonded together via peptide bonds.

2. Two or more polypeptide chains interact via bonds.

3. Hydrogen bonds form between neighboring amino acids within a polypeptide chain allowing the chain to coil or form pleated sheets.

4. Side groups (R) of the individual amino acids interact with each other allowing the protein to assume its three dimensional shape.

Value:4

Put the following statements regarding the structural levels of a protein formation in the correct order

Individual amino acids are bonded together via peptide bonds.

 1 2 3 4

Two or more polypeptide chains interact via bonds.

 1 2 3 4

Hydrogen bonds form between neighboring amino acids within a polypeptide chain allowing the chain to coil or form pleated sheets.

 1 2 3 4

Side groups (R) of the individual amino acids interact with each other allowing the protein to assume its three dimensional shape.

 1 2 3 4

Value: 5

Hydrophobic amino acids will be found _______________.

a. In the interior (inner core) of a protein, away from the watery environment.

b. in the interior of a plasma membrane.

c. Both A and B

d. Neither

Value: 6

A protein's function is defined by ____________.

a. enzymatic reactions

b. it's shape.

c. chain of nucleotides.

d. the presence of carbon and hydrogen.

Value: 7

Which of the following is NOT considered a protein function?

a. transport of substances across membrane

b. enzymatic reactions

c. provides structural support

d. carries genetic information

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