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DNA & Proteins

Learn about DNA and Proteins

QuestionAnswer
Describe the function of DNA. Genetic information for making PROTEIN.
State the number of strands in DNA two
Explain how the two strands are held together in DNA BY complementary bases
State the complementary base of thymine adenine
State the complementary base of guanine cytosine
State the complementary base of adenine thymine
State the complementary base of cytosine Guanine
State where DNA is found in an animal or plant cell. Nucleus
State the name for a section of DNA on a chromosome that codes for 1 protein Gene
Name the 5 types of proteins Structural proteins, hormones, antibodies, receptors and enzymes
Which type of protein is a biological catalyst Enzyme
Which type of protein defends the body against pathogens (disease causing micro organisms). Antibodies
Which type of proteins is a chemical messenger that travels in the blood. Hormones
Which type of protein is a part of the membrane alongside phospholipids Structural proteins
Which type of protein is found on target tissues and binds to complementary hormones to cause a response. Receptors
Where is protein synthesised in the cell. Ribosome
State the basic unit which proteins are made up of Amino acids
Explain how different proteins can be produced at the ribosome (2 marks). Different base sequence (1 mark) Different amino acid sequence OR different shape of protein (1 mark)
Where is mRNA made in the cell. Nucleus
State how many strands are in mRNA one
State which molecule helps make mRNA DNA
Describe the function of mRNA carries complementary genetic code from nucleus to ribosome.
Describe the 3 step path the mRNA travels to make proteins. 1.nucleus 2, cytoplasm 3. ribosome
State the name for the 3D shape of DNA Double helix.
Created by: brightminds
 

 



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