Which modern type of algae most closely resembles the algal ancestor of green plants?
a. Phaeophyta
b. Chrysophyta
c. Radiolaria
d. Charophyta
Ans: d. Charophyta
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Gel ________ is a process that separates DNA or protein fragments according to their size, by causing them to migrate within a gel in response to an electric field.
A. duplication B. blotting C. electrophoresis D. migration
Which of the following lung volumes keep the lungs from completely deflating, even after a maximal
exhalation?
a. residual volume b. tidal volume c. vital capacity d. lung capacity e. lung volume
Many cells assemble lipids in the
a. Golgi bodies. b. mitochondria. c. chloroplasts. d. ribosomes. e. smooth endoplasmic reticula.
A new antibiotic is introduced that will destroy only organisms lacking a nuclear membrane. A dispute develops over its safety when used in people. What arguments would you use in this discussion?
What will be an ideal response?