Which of the following should determine whether an individual should join a group?
a. The individual is social and enjoys being around other individuals.
b. The individual is affected by parasitism.
c. The individual's fitness is improved when living in a group.
d. The individual is in competition with others for food.
C
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. When performing an experiment, what is another word used to describe the treatment?
a. hypothesis b. control c. variable d. data
Each nephron of the kidney consists of a long tubule and associated small blood vessels. Blood cells and plasma proteins are too large to enter with the glomerular filtrate. What is the correct path for the filtrate to follow through the nephron in the production of urine?
A. Bowman's capsule ? distal convoluted tubule ? loop of Henle ? proximal convoluted tubule ? collecting duct B. Bowman's capsule ? proximal convoluted tubule ? loop of Henle ? distal convoluted tubule ? collecting duct C. Bowman's capsule ? loop of Henle ? proximal convoluted tubule ? distal convoluted tubule ? collecting duct D. Bowman's capsule ? collecting duct ? proximal convoluted tubule ? loop of Henle ? distal convoluted tubule E. collecting duct ? proximal convoluted tubule ? loop of Henle ? distal convoluted tubule? Bowman's capsule
In osmosis:
A. solutes move from a region of low water concentration to a region of high water concentration. B. solutes move from a region of high solute concentration to a region of low solute concentration. C. plasma membranes must be impermeable to water. D. water moves from extracellular to intracellular compartments. E. water moves from a region of high water concentration to a region of low water concentration.
If a codon has the sequence CAG, tRNA with which anticodon will bind to it?
A) GTC B) CAG C) GUC D) UGA E) CTG