A female chicken egg that has been fertilized by a rooster is an example of

A. differentiation.

B. external fertilization.

C. indirect development.

D. direct development.

E. internal fertilization.


E. internal fertilization.

Biology & Microbiology

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Enrichment cultures can be established by placing the inoculum into selective media and incubating under specific conditions

Indicate whether the statement is true or false.

Biology & Microbiology

Phytochemicals are

a. essential for survival. b. produced in laboratories exclusively. c. not essential but can prevent some disorders. d. cofactors for cellulose degradation. e. none of these

Biology & Microbiology

Cestodes are often transmitted via which of the following?

A) aerosols B) open wounds in the skin C) undercooked meats D) water

Biology & Microbiology

How many different types of bases are used to encode all the genetic information in a molecule of DNA?

A) 20 B) 4 C) 2 D) 5 E) 10

Biology & Microbiology