The archenteron of the developing sea urchin eventually develops into the _____

A) blastocoel
B) heart and lungs
C) digestive tract
D) brain and spinal cord


C

Biology & Microbiology

You might also like to view...

In the current form of dideoxy DNA sequencing, the primer is unlabeled and each dideoxynucleotide is labeled with a different fluorescent marker. This method _____

A) eliminates the need to run sequencing reaction products on a gel B) allows a DNA sequence to be determined from four separate sequencing reactions, each run on a separate lane of a gel C) allows a DNA sequence to be determined from one sequencing reaction that is run on a single lane of a gel D) eliminates the need for sophisticated machines to read the output of each sequencing reaction

Biology & Microbiology

Explain the function of cAMP in catabolite repression

What will be an ideal response?

Biology & Microbiology

Which of the following is NOT true concerning

botulism? a. It is a type of food poisoning. b. The toxin is odorless and tasteless. c. The pathogen is a virus. d. The toxin enters motor neurons. e. Muscles become paralyzed.

Biology & Microbiology

The number of individuals of a species that can be sustained indefinitely by the resources in a given area is the ____

a. carrying capacity b. limiting factor

c. peak capacity d. density e. potential

Biology & Microbiology