A researcher wants to develop a test that will distinguish charophytes and land plants from green algae. Which of the following chemicals would be the best subject for such an assay?
A) chlorophylla photosynthetic pigment
B) carotenoidsa class of accessory photosynthetic pigments
C) starcha food storage material
D) glycolate oxidasean peroxisomal enzyme that is associated with photorespiration
E) flavonoidsa class of phenolic compounds that is often associated with chemical signaling
Answer: D) glycolate oxidasean peroxisomal enzyme that is associated with photorespiration
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During which stage of Meiosis will the chromosomes condense?
a. Telophase I b. Metaphase I c. Anaphase I d. Metaphase II e. Prophase I
A distinguishing feature of vertebrates is the presence of _____.
Fill in the blank(s) with the appropriate word(s).
Refer to Figure 22-2. The common hominid ancestor would be found at the position labeled:a
13
b. 12
c. 11
d. 10
e. 9
Sexual reproduction in Basidiomycota results in the production of
A) ascospores. B) basidiospores. C) conidiospores. D) endospores. E) zygospores