Which statement best describes embryonic stem cells? Embryonic stem cells are capable of self-renewal only. Embryonic stem cells are capable of differentiation only.
Embryonic stem cells are capable of self-renewal and limited differentiation.
Embryonic stem cells are capable of self-renewal and unlimited differentiation.

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

Classify the structures as homologous or analogous, depending on their structure and function.

What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.