Answer the following questions true (T) or false (F)

1. A nucleotide with a single cyclic ring structure is a pyrimidine.

2. Denaturation of a protein is always permanent.

3. The valence of an atom is determined by the total number of electrons it contains.


1. TRUE

2. FALSE

3. FALSE

Biology & Microbiology

You might also like to view...

Both prokaryotic and eukaryotic cells use ________ to turn certain genes on or off.

Biology & Microbiology

Characteristics of which virus consist of a double-stranded genome and virions that appear as oval, brick-shaped structures of 200 to 400 nm in length? In addition, the World Health Organi-zation (WHO) eradicated this virus in 1980

a. Cowpox b. Chicken pox c. Swinepox d. Smallpox

Biology & Microbiology

Which aquatic biome often has reduced nitrogen levels, and therefore more carnivorous plants?

a. Bogs b. Rivers and streams c. Lakes and ponds d. Estuaries

Biology & Microbiology

The coding regions of a gene are called

A) introns. B) exons. C) promoters. D) enhancers.

Biology & Microbiology