Which plant's seeds are "naked", or not within a fruit?
a. angiosperms
b. gymnosperms
c. bryophytes
d. endosperms
e. lycophytes
b
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Inbreeding reduces which of the following variances to near zero?
A. Genetic variance B. Environmental variance C. Both variances D. Neither variance
Binding of a protein hormone may lead to formation of a __________, which relays a signal into the
cell. Fill in the blank(s) with the appropriate word(s).
A mutation in the DNA-binding domain of a steroid hormone receptor is most likely to affect what aspect of receptor function?
A. the cellular response to the hormone B. the translocation of the receptor to the nucleus C. the binding of the hormone to the receptor D. the conformational change of the receptor
You suspect a 100-nm structure is present in a cell. Which of the following provides the lowest magnification that you can use to see this structure?
a. Transmission electron microscope b. Phase-contrast microscope c. Scanning electron microscope d. Brightfield microscope e. Darkfield microscope