Answer:
A. Glucose leaves the cell through the GLUT-1 uniporter, traveling down the new concentration gradient.
Explanation:
The Glucose transporter 1 (GLUT1) protein is a critical uniporter transporter that facilitates the movement of glucose molecules across the plasma membrane. The expression of GLUT1 is increased when glucose concentration is reduced and, inversely, GLUT1 expression is reduced when glucose levels are increased. The erythrocytes are cells that continuously require the supply of glucose from the blood plasma, this mechanism involves the function of GLUT1 that permits the energy-free passage of glucose by diffusion.
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Answer:
The gene cannot be transcribed and translated into a protein.
Explanation:
Turning off a gene means the gene cannot be transcribed and translated into a protein.
Turning off of genes is a form of gene regulation, a process that controls which genes are expressed or not expressed in a cell.
<u>The expression of genes requires that they are first transcribed from DNA to mRNA in the nucleus and then moved to cytoplasm where they are translated into proteins by the ribosome.</u>
Hence, a gene that will not be expressed has to be stopped from being transcribed amd translated by being turned off by the gene regulation process of the cell.
Answer:
B.
Explanation:
Transgenetics is when one gene from an orgasm is transferred to another organism naturally or through genetic engineering.
