Which is a characteristic of retrotransposons, but not of DNA transposons?
A) include a gene that encodes reverse transcriptase
B) may be present in a genome from one to millions of times
C) found only in humans
D) may not have a function in their host
E) have short DNA sequences that are inverted repeats of each other on the ends
A) include a gene that encodes reverse transcriptase
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During ____, microtubules disassemble, pulling the chromatids to the ends of the spindle
a. prophase b. interphase c. anaphase d. metaphase e. telophase
The black bread mold Rhizopus stolonifer and dung-infesting fungi of the genus Pilobolus are
members of which fungal phylum?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
When the cell is NOT sending signals, the electrical difference between the inside and outside of a neuronal membrane is specifically referred to as the
A. graded potential. B. action potential. C. reversal potential. D. membrane potential. E. resting potential.
Which is an accurate statement about the anatomy of the human excretory system?
a. Bowman's capsule is a network of capillaries inside the glomerulus. b. The proximal tubule is the portion of the nephron tubule farthest from Bowman's capsule. c. The renal cortex, which contains the nephrons, is interior to the renal medulla. d. The loop of Henle is located between the proximal tubule and the distal tubule. e. The distal tubule of a nephron connects with the renal pelvis of the kidney via the ureter.