An individual who responds to walking into an obstruction by pushing into it harder is exhibiting
(a) negative phototaxis.
(b) positive geotaxis.
(c) negative thigmotaxis.
(d) positive thigmotaxis.
(c) negative thigmotaxis.
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Which of the following is required for formation of the open complex of replication initiation?
A. binding of DnaB helicase to single strands of the replication bubble B. binding of DnaC to the four 9-mer consensus sequences, which destabilizes the AT-rich repeat sequences C. binding of DnaA to the four 9-mer consensus sequences, which destabilizes the AT-rich repeat sequences D. DnaA/DnaC/ATP complex loads DnaA onto the origin and ATP hydrolysis allows release of the DnaC protein E. oligomerization of the HU protein upon binding the origin, and wraping of the DNA around the oligomer
Bulk endocytosis is also called pinocytosis
Indicate whether the statement is true or false.
Meiosis is the process through which sex cells are produced. During which stage of meiosis could you see crossing over occurring in human gamete development?
A) metaphase I B) telophase II C) prophase I D) prophase II
Normally, the colloid osmotic pressure produced by the concentration of blood proteins moves fluid from the ________ to the __________ by ____________.
A. blood; Bowman's capsule; osmosis B. blood; Bowman's capsule; simple diffusion C. Bowman's capsule; glomerulus; facilitated diffusion D. Bowman's capsule; blood; active transport E. Bowman's capsule; blood; osmosis