Your kidneys filter your blood about _____ times per day and reabsorb _____% of the water entering the renal tubules, _____% of the electrolytes in the blood, and _____% of the glucose and amino acids that were filtered out of the blood in the glomerulus
A. 60; 99.9; 99.9; 100
B. 100; 50; 50; 99
C. 75; 100; 60; 90
D. 40; 99.9; 100; 75
E. 10; 80; 25; 70
A
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In models of logistic population growth, _____
A) the population growth rate slows dramatically as N approaches K B) new individuals are added to the population most rapidly at the beginning of the population's growth C) new individuals are added to the population as N approaches K D) only density-dependent factors affect the rate of population growth E) carrying capacity is never reached
In the cross Cc ? Cc, gametes have a ____ chance of receiving either allele
a. 25?75 b. 50?50 c. 75?25 d. 60?40 e. 90?10
Which term refers to a form of energy that activates receptor endings of sensory neurons?
a. threshold b. sensation c. transduction d. stimulus e. action potential
Which of the following is not correct regarding the purple photosynthetic bacteria photosynthetic apparatus?
A. Possesses bacteriochlorophylls a or b B. Apparatus is straight to decrease surface area and contain reactions C. Has intracytoplasmic membranes (ICMs) to provide space for photosynthetic units (PSUs) D. Performs anoxygenic photosynthesis E. Apparatus is continuous with the plasma membrane