Molecular Biology Questions

cAMP levels rise due to the availability of ______

When glucose is present and lactose is not the repressor proteins binds to _______ to inhibit transcription

When lactose is present _______ binds to the repressor protein

Activated repressors bind to sequences such as those called _______

The breakdown of lactose also produces a small amount of allolactose, which acts as an ______ compound

True or False Bacteria with a lac (-) phenotype are unable to produce lactose

True or False The lac operon is transcriptionally active when no lactose is available or when glucose is available.

how many mRNA nucleotides are in one codon

Enzymes allow activation energy to be ____

How many tRNA molecules are there?

what causes more severe change, a mutation in the 1st or 3rd letter of a codon

the shape of a protein determines its ______

Do lipids fit monomer-polymer model?

how does a temperature change affect enzyme activity

what part of the DNA is responsible for the strength of the DNA structure

what part of DNA is responsible for storing information

who won nobel peace prize for the descovery of the double helix in 1953

the order of aa determines the ______ of a protein

In cells, RPII is found as a large multiprotein complex containing the GTFs and many additional polypeptides

The linear sequence of nucleotide residues are always read from the