Which of the following terms is associated with polychaetes?
a. radula
b. mantle
c. parapodia
d. visceral mass
e. metamorphosis
c
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Which of the following statements about bacteriophage is false?
A. Bacteriophages do not have a viral envelope. B. A temperate phage can have its DNA integrated into the host chromosome as a prophage. C. Ultraviolet radiation can cause induction. D. A prophage is replicated with the bacterial chromosome and passed to the two new daughter cells. E. Late genes are only expressed during the lysogenic cycle.
Which protists produce much of the Earth's oxygen?
A. amoeba B. slime molds C. algae D. protozoa E. radiolarians
Which of the following events will occur in response to gravitropism?
A. The guard cells will swell with water due to an increase in sodium ions which will cause the plant to grow upright. B. Because of the change in the plant's position, it will have sediments of statoliths (amyloplasts containing starch granules) settle towards the lower side of the stems and roots and come into contact with the cytoskeletal elements. C. The stems on the shady side of the plant will elongate due to the presence of auxin. D. The tendril of the plant will coil around any type of substrate that it comes into contact with.
If development of the shoot apical meristem failed in a bean embryo, which tissues would still be able to form? (Check all that apply.)A) CotyledonsB) LeavesC) RootD) StemE) Suspensor
What will be an ideal response?