What are the common characteristics of all eukaryotic cells?
A. nucleus,
B. cell membrane,
C. cytoplasm
D. All of the above
Answer: D. All of the above
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Fungi
A. are prokaryotes or eukaryotes, depending on the species. B. produce chlorophyll under aerobic conditions. C. produce chlorophyll under aerobic conditions and are prokaryotes or eukaryotes, depending on the species. D. are eukaryotic organisms.
Which tissue type arises from all three embryonic germ layers?
A) connective tissue B) nervous tissue C) epithelial tissue D) muscle tissue
Which type of angiosperm typically has parallel leaf veins and a fibrous root system?
A) Monocot B) Dicot C) Conifer D) Legume
Which of the following is a false statement about plant secondary metabolites?
A. Some of them can cross the placenta during pregnancy. B. They are too unpredictable to use in pharmaceutical research. C. Some can be used to treat human diseases. D. The activity of certain medicines is due to secondary metabolites. E. Some can be poisonous to humans.