What does the presence of only two tissue layers make cnidarians?

endodermic

diploblastic

ectodermic

none of the above

Darwin hypothesis that favorable traits spread through a species as A) members come in contact with each other B) organisms share food with each other C) they passed onto offspring D) they limit the success of the organisms that have them

Predict the level of transcription of the trp operon genes (low to high) in the presence of low levels of tryptophan in E coli cells being in an in-frame deletion of the 2 trp codons that are usually found in the leader peptide.

The main force that moves blood throughout the system of blood vessels is

What is responsible for converting glucose into a form of energy usable by cells?

Which kingdom or supergroup is characterized by organisms that are heterotrophic by ingestion?

What is a recessive gene? a. The gene that displays itself. b. The hidden gene. c. The gene that is dominant.

Much of the fluid that moves across capillary walls and into the tissues moves as a result of filtration, forced by blood pressure. o2 on the other hand travels from the capillaries into the tissues as a result of what?

Which organisms are extremely small and use hosts as both home and food supply

Explain generaly how Cyclin and Cyclin Dependent Kinase (CDK) work to control the cell cycle.

The outer periphery of the intervertebral disk is composed of strong fibrous tissue called the: