Which of the following is NOT a morphogen?

A. Activin
B. Noggin
C. proteins
D. Cadherin
E. protein produced by Spemann's organizer (dorsal lip of a gastrula)


D. Cadherin

Biology & Microbiology

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New genetic variation in a population is a critical aspect of microevolution

Indicate whether the statement is true or false

Biology & Microbiology

Because prokaryotes do not contain a nucleus, the process of gene regulation occurs in which of the following?

a. ribosome b. cell membrane c. pili d. cytoplasm

Biology & Microbiology

What is the process that can lead to photosynthetic population explosions?

a. Dead zones b. Algal bloom c. Eutrophication d. Water runoff

Biology & Microbiology

Which of the following statements correctly describes cis-trans isomers?

A) They have variations in arrangement around a double bond. B) They have an asymmetric carbon that makes them mirror images. C) They have the same chemical properties. D) They have different molecular formulas.

Biology & Microbiology