Which of the following best describes a dikaryotic fungus?
A. A fungus that produces a branched fruiting body
B. A fungus in which the hyphae repeatedly branch forming a network
C. A stage in sexual reproduction of some fungi in which plasmogamy has occurred, but karyogamy has not
D. A stage in sexual reproduction of some fungi, in which both plasmogamy and karyogamy have occurred
Answer: C
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Humans have been using prokaryotes to ______ foods such as yogurt, salami, wine, and sauerkraut for thousands of years.
a. dispose of b. package c. cook d. ferment
The homeostatic interaction between the endocrine system and which other system is demonstrated by
the hypothalamus regulating the release of sex hormones? a. circulatory system b. reproductive system c. digestive system d. muscular system e. urinary system
Which of these is not a characteristic of an open circulatory system?
A. Blood is enclosed within blood vessels. B. It is found in mollusks and arthropods. C. It contains hemolymph. D. There is no distinction between blood and interstitial fluid or lymph.
Indicate whether each of the following statements refers to a ciliary microtubule, a microtubule of the mitotic spindle, both types of microtubule, or neither type of microtubule
A. The basal body is the organizing center. B. The monomer is sequestered by profilin. C. It is arranged in a "9 + 2" array. D. It is nucleated at the centrosome. E. It uses dynein motors. F. It is involved in sperm motility. G. It is involved in moving fluid over the surface of cells.