Which of the following statements is true of horsetails?
A. They have photosynthetic stems without
leaves.
B. They do not form roots.
C. They produce tiny leaves arranged in
whorls.
D. Their stems are solid with densely packed
photosynthetic cells.
E. The fossil record indicates that they were
always very small.
C
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The purpose of the enrichment culture technique is to enrich for organisms with specific physiological properties from a microbial community
Indicate whether the statement is true or false.
Which of the following is part of the endomembrane system of a eukaryotic cell?
A. nuclear envelope B. Golgi apparatus C. vesicles D. All of the answer options are correct.
Answer the question using the accompanying figure. The muscle indicated by the letter ‘A’ is a(n) ____ muscle
a. flexor b. agonist c. depressor d. antagonist e. extensor
All trypanosomes are ________
a. alveolates b. mixotrophs c. ciliates d. parasitic