You are working in the lab, with a cell-free translational system that contains microsomes. Microsomes are artificial structures derived from pieces of endoplasmic reticulum (ER) formed during tissue homogenization. These microsomes lack the signal recognition particle or SRP. You translate an mRNA that codes for a secretory protein using this system. Which of the following outcomes do you expect? The protein will be synthesized and its signal sequence will be removed O The protein will be synthesized and will be incorporated into the microsome O No protein synthesis O The protein will be synthesized and will not be incorporated into the microsome
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
The production of protein from the mRNA sequence is known as translation process which is performed by the ribosomes. Within the cell two types of ribosomes are found that are- membrane free ribosome and membrane bound ribosome (bounded on the membrane of endoplasmic reticulum).
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