Ron is observing an onion cell on a slide under a microscope. he sees chromatids being pulled to opposite ends of the cell. which phase is he seeing?

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

What does the positioning of transcription factors determine?

Which of the following does not make up ground substance of connective tissue? hyaluronic acid elastic fibers glycosaminoglycan proteoglycan