What is true of table salt?

D. It has simple molecules.

C. It has only one element.

B. It is an ionic compound.

A. It has radicals.

In Escherichia coli (E. coli), the tryptophan operon encodes structural genes, including trpC, trpB, and trpA, that encode the tryptophan synthetase protein complex. A repressor protein encoded by the trpR gene regulates the trp operon.

Biological change over time accounts for the diversity of species. This diversity occurs or develops?

How are lichens able to survive in places that most others organisms are unable to live, such as on mountaintops and in barren deserts?

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

10kg block moving with velocity of 20 m/s to the left ehat is the kenetic enery of the block

Which molecule is called the "molecule of heredity?

In spermatogenesis, how many cells are made up by the end of meiosis?

Azman disuruh oleh cikgu untuk memanaskan alkohol didalam sebuah tabung didih. apakah langkah langkah yang perlu diambil semasa mengendalikan alkohol? terangkan.

The text described several forms of CAM or complementary and alternative medicine. Which of the following is a type of CAM?

Which is not a correct description of a member of a protozoan group?