Fungal hyphae in which two genetically distinct kinds of nuclei occur together are said to be __________.  

Fill in the blank(s) with the appropriate word(s).


Heterokaryotic

Biology & Microbiology

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In the process of protoplast fusion, cells are grown in a medium that contains

A. chitinase for yeast. B. RNAses. C. DNA ligases. D. lysozyme for bacteria. E. either lysozyme or chitinase, depending on the type of cells.

Biology & Microbiology

There is NO convincing fossil evidence for

which of the following? a. evolution b. extinction c. change d. catastrophism e. uniformitarianism

Biology & Microbiology

Plants and algae most recently shared a common ancestor 480 million years ago, and plants colonized land shortly after that. In sexual reproduction, an alga simply releases gametes into the water, and the current carries the sex cells to another individual. What adaptation did plants have to make in reproduction when they moved to dry land?

a. Development of stomata b. Development of vascular tissue c. Production of a cuticle d. Production of pollen e. Production of lignin

Biology & Microbiology

Which of the following is produced during the hydrogenation of vegetable oils?

a. HDLs b. LDLs c. trans fatty acids d. free radicals e. neuropeptide Y

Biology & Microbiology