What is one possible message that one cell might send to another cell?

A gastrovascular cavity is a digestive tract with two openings-a mouth and an anus. true or false

The molecules responsible for membrane transport are

The gland which produces growth hormone thyroid stimulating hormone oxytocin and prolactin is the

Water would be considered a ?

Cnidrians representative organism

Prudence and Charity are twins raised at the center of a rotating kingdom. Charity goes to live at the edge of the kingdom for a time and then returns home. Discuss which twin is older when they rejoin.

Sue has normal hearing but her sister suffers from deafness determined by a rare recessive allele. what is the probability that sue's phenotypically normal daughter is heterozygous for the gene?

Describe two factors that cause variations in climate?

A demonstration is performed during a lecture on muscle physiology in which a student is asked to fully extend his right arm with the palm up. Two large textbooks are placed on his palm, one at a time.

How is it that the heartworm is able to multiply in numbers at such a fast rate?