Recognition of a chemical signal by a receptor protein in a membrane is most similar to ____

a. mRNA specifying the sequence of amino acids in a specific metabolic pathway operating
in an organelle
b. binding of a specific substrate to the active site of an enzyme
c. turning on transcription of a gene
d. allosteric regulation of proteins
e. an enzyme requiring a specific optimum pH and temperature for activity


B

Biology & Microbiology

You might also like to view...

In plants, the haploid generation is called the ______ and the diploid generation is called the __________

A. sporophyte ; spermatogenesis B. gametophyte ; sporophyte C. sporophyte ; gametophyte D. oogenesis ; gametophyte

Biology & Microbiology

Fossils are predominantly found in ____

a. metamorphic rocks b. igneous rocks c. sedimentary rocks d. crystalline rocks e. radioactive rocks

Biology & Microbiology

What factor increased the Mayan's vulnerability to drought over time?

What will be an ideal response?

Biology & Microbiology

If you tear your Achilles tendon you are damaging ECM-rich ________ tissue.

A. epithelial B. muscle C. nervous D. connective

Biology & Microbiology