7) a student encounters a pondweed which, judging from its appearance, seems to be a charophyte. she brings a sample back to her biology lab. using only a compound light microscope to study the sample, which of the following features should help her to determine whether the sample comes from a charophyte or from some other type of green alga? 1. molecular structure of enzymes inside peroxisomes 2. structure of sperm cells 3. presence of phragmoplasts 4. rings of cellulose-synthesizing complexes a) 1 and 3 b) 1 and 4 c) 2 and 3 d) 1, 3, and 4 e) 2, 3, and 4 topic: concept 29.1