DNA replication is called ________ because the newly replicated DNA consists of a parental strand (from the original DNA) and a newly synthesized daughter strand
Fill in the blank(s) with correct word
semiconservative
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How do fossils provide evidence of evolution?
a. Fossils show the progression of anatomical changes that resulted in new species. b. Fossils show us when a species has died off and where the species was located. c. Fossils show us where a species lived during its existence. d. Fossils provide no evidence for evolution, only natural selection.
________ breaks frozen specimens along lines of greatest weakness, often down the middle of lipid bilayer membranes so that they may be observed by transmission electron microscopy.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements about mycorrhizae is/are true?
A. The presence of the fungi gives plants a greater absorptive surface for the intake of minerals. B. Plants are harmed, while fungi benefit. C. Fungi may enter the cortex of plant roots but do not enter the cytoplasm of plant cells. D. A and C are correct. E. A, B, and C are correct.
Which type of junction involves a connection to the actin cytoskeleton?
(a) adherens junctions (b) desmosomes (c) tight junctions (d) gap junctions