How are eukaryotic transcripts modified before they are used in protein synthesis?
What will be an ideal response?
Introns must be snipped out and exons spliced together. In addition a 3' poly-A tail and a 5' cap must be added to the RNA.
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Negative transcriptional regulation is conducted by activator proteins
Indicate whether the statement is true or false
Untreated gonorrhea or untreated Chlamydia infections may result in sterility
Indicate whether the statement is true or false
The group movement of water and solutes in response to a difference in pressure between two locations is called ________.
A. Membrane potential B. Diffusion C. Bulk flow D. Active transport E. Osmosis
Cystic fibrosis results from mutations in a single gene that lies on Chromosome 7. Only homozygous mutant (ff) individuals are sick; homozygous wild-type (FF) and heterozygous (Ff) individuals are healthy
A healthy married couple has one child with cystic fibrosis and the wife is pregnant with a second child. A. What is the genotype of the mother? The father? B. What is the chance that the second child will have cystic fibrosis?