Answer the following statements true (T) or false (F)
1. Although land plants, mosses are still tied to water because of their flagellated sperm.
2. The conspicuous green patches of mosses that you see in the woods are mostly sporophytes.
3. The conspicuous green parts of ferns that you see in the woods are mostly sporophytes.
4. Flowers, fruits, and endosperm are defining characteristics of the angiosperms.
1. TRUE
2. FALSE
3. TRUE
4. TRUE
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Which characteristics best describe earthworms?
a. polychaete; fluid filled coelom b. oligochaete; open circulatory system c. moves by only longitudinal muscle contraction and hydrostatic skeleton d. oligochaete; scavengers; closed circulatory system e. hermaphrodites that fertilize themselves; closed circulatory system
Four of the five statements listed below are
true of cloned DNA. Select the EXCEPTION.
a. The vector involved is a plasmid. b. Identical copies are produced. c. Cloned DNA is produced using DNA helicase. d. Multiple copies are produced. e. Cloned DNA is copied in bacteria
In bacterial and archaeal cells, the electron transport chain is located in the ________ whereas in eukaryotic cells, the electron transport chain is located in the ________.
A. plasma membrane; inner mitochondrial membrane B. plasma membrane; mitochondrial matrix C. inner mitochondrial membrane; outer mitochondrial membrane D. plasma membrane; outer mitochondrial membrane E. inner mitochondrial membrane; plasma membrane
Your sister cut herself with a knife, and within a few days, she had a severe pus-producing infection of the hand. A day later, skin begins to come off, exposing muscle and other tissue below the skin. Predict what caused the severity of this infection.
A. The infectious agent is a fungus. B. This is not an infectious disease; it is an autoimmune disease. C. The infectious agent is likely a virus. D. The infectious agent produces exotoxins.