You extract all of the proteins of a leaf and measure the percentage that is rubisco. You find that
rubisco comprises what percentage of the leaf proteins?
a. 10%
b. 25%
c. 50%
d. 75%
e. 90%
C
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The density of a population is defined as the ____
a. number of individuals in a population at a specified time b. number of individuals in a population at a specified place c. number of individuals per unit area or per unit volume of habitat d. size of the individual organisms per unit area e. number of individual organisms per family unit
Which of these passes through the glomerulus without being filtered out of the blood?
a. potassium b. sodium c. hemoglobin d. chlorine
Select all of the following that are components of a muscle fiber.
a. sarcoplasm b. T tubule c. myelin sheath d. axon terminal e. sarcolemma
All living things are made of _____.
Fill in the blank(s) with the appropriate word(s).