Would transcription occur in lac operon, if lactose is absent and the mutation in the repressor is lacI-?

What would be the result of the addition of a nucleotide to the consensus sequence of an intron? The new nucleotide would be added in between the GG splice site.

Imagine you have the following operon that includes the genes that encode enzymes A, B, and C, which are required for the biosynthesis of molecule X into Y in most bacteria.  The product of gene M regulates gene expression in this cell. When there is a high level of the M product, you do not detect any levels of A, B, and C enzymes but when there is a low level of the M product you detect higher levels of the enzymes. Thus, the product of the M gene is a:

The assumption that all information about the amino acid sequence of a protein resides in the DNA is violated by

Which of the following statements is/are true? Select all that apply.

Forceful coughing can cause rib fractures?

Forceful coughing can cause rib fractures?

An essay test requires recognition memory. True or False

At Cornell University, Gibson and Walk placed infants on the edge of an illusionary canyon to determine whether crawling infants can perceive depth. The laboratory device used for this experiment is known as the:

Time-out is a form of