Which of the following are consistent with facilitated diffusion?
(1) movement is against a concentration gradient
(2) movement is with a concentration gradient
(3) involves a carrier molecule
(4) involves cotransport
(5) involves counter transport
(6) exhibits competition and saturation
A. 1, 2, 4, 5, 6
B. 2, 3, 5, 6
C. 2, 3, 4, 6
D. 1, 3, 4, 5, 6
E. 2, 3, 6
E
You might also like to view...
The digestive system filters wastes from the blood.
Answer the following statement true (T) or false (F)
When worn-out red blood cells are destroyed, the hemoglobin is degraded to a yellow pigment known as ____________________, which is excreted into the bile
Fill in the blank(s) with correct word
What is the function of the corpora quadrigemina?
A) They are important for the sense of taste. B) They are important for maintaining balance. C) They are reflex centers for visual and auditory stimuli. D) They are olfactory relay centers.
David has been feeling tired lately, and after having blood work completed, it shows elevated TSH, low iodine, and low thyroid hormone levels. Predict the possible cause from the choices below.
A. David may have iodine deficiency that is causing his thyroid to produce too little thyroid hormone. B. David could have a pituitary gland tumor. C. David could possibly have a thyroid tumor. D. Too little information is given to determine the cause.