In prokaryotic genes, some repressor proteins block transcription. a repressor can block transcription by binding to which of the following?

A complete denture is a type of fixed prosthesis. is true or false

Which of the following distinguishes lymphatic vessels from veins?-Lymphatics have valves, while veins do not. - Lymphatics lack the three tunics present in veins. - Lymphatics transport fluids toward the heart. - Permeability of the walls

2. Why did researchers believe that the particle left after electrons were emitted as cathode rays had to be positive?

Which phrase best describes a climax community? O A. A small community O B. A community with one species O c. A community of invasive species O D. A stable community

What role does a transcription factor play in a signal transduction pathway and why?

Dna is a polymer, which means that is made up of many repeating single units (monomers). what are the monomers called?

Which is biotic? a. wind b. iron gate c. sunlight d. dead leaf

Place the following events in order to sequence the evolution of life on Earth. (A) Prokaryotes (B) Land Plants (C) Multicellular Eukaryotes (D) Single-celled Eukaryotes (E) Formation of Earth A, E, D, C, B E, A, D, C, B B, C, D, A, E E, D, C, A, B

What is the function of the cardiac conduction system?

The survival of organisms best suited to a particular environment is known as