During the process of cloning, a small circular DNA molecule that has been modified is inserted into a bacterium for replication. What is this molecule known as?

a. gene
b. allele
c. plasmid
d. enzyme


c. plasmid

Biology & Microbiology

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The isolation and copying of a gene, usually in large quantities is called gene cloning

Indicate whether the statement is true or false

Biology & Microbiology

Which of the following statements is false?

a. In chain elongation, the amino acids are added to the chain according to the codon sequence in the messenger RNA. b. Several ribosomes, called a polysome, can travel along the messenger RNA molecule, translating it at the same time. c. The general shape of transfer RNA molecules is uniform. d. Enzymes found in the ribosome catalyze the formation of the bonds in the new polypeptide. e. None of these is false.

Biology & Microbiology

When a species expands its niche in response to the removal of a competitor, the species has experienced competitive ________

Fill in the blank(s) with correct word

Biology & Microbiology

In animals, nitrogenous wastes are produced mostly from the catabolism of _____

A) starch and cellulose B) triglycerides and steroids C) proteins and nucleic acids D) phospholipids and glycolipids

Biology & Microbiology