Which statement is not true?
a. Nodes are present on horsetails.
b. The rhizome on horsetails bears roots.
c. The internode of a horsetail is the region where the leaves are attached.
d. Horsetails are members of the subphylum Sphenophyta.
d
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The entertaining seals of marine attraction parks are:
a. sea lions. b. harbor seals. c. elephant seals. d. fur seals. e. harp seals.
Sodium-potassium pumps are examples of what type of cellular transport?
a) primary active transport b) secondary active transport c) transport in vesicles d) facilitated diffusion e) hypertonic transport
In double fertilization, one sperm fuses with the egg, and the other sperm fuses with the two antipodal nuclei. Indicate whether the statement is true or false
Which of the following statements best describes the difference between mitosomes and mitochondria?
A. Mitosomes contain hydrolytic enzymes that help the protozoan digest food particles. B. Mitosomes are much larger than mitochondria. C. Mitosomes have one membrane whereas mitochondria have a double membrane. D. Mitosomes are not involved in ATP production.