Rubisco has 16 subunits joined together to make a functional unit. Eight of the subunits are large, the
other 8 are small. Where on this enzyme are the active sites located?
a. on each of the 8 large subunits
b. on each of the 8 small subunits
c. on one of the 8 large subunits
d. on one of the 8 small subunits
e. on each of the 16 subunits
A
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A mutation in RTK receptor that allows the receptor to bind the ligand and pair with a wild-type receptor but blocks signal transduction is classified as a ________ mutation,
whereas a mutation that activates RTK pairing signal transduction even in the absence of ligand is classified as a ________ mutation. Fill in the blank with correct word.
The termite gut protist Mixotricha paradoxa has at least two kinds of bacteria attached to its outer surface. One kind is a spirochete that propels its host through the termite gut
A second type of bacteria synthesizes adenosine triphosphate (ATP), some of which is used by the spirochetes. The locomotion provided by the spirochetes introduces the ATP-producing bacteria to new food sources. Which term(s) is (are) applicable to the relationship between the two kinds of bacteria? 1. mutualism 2. parasitism 3. symbiosis 4. metabolic cooperation A) 1 and 2 B) 2 and 3 C) 1, 3, and 4 D) 2, 3, and 4
Which of the following statements regarding matter is false?
A) All life is composed of matter. B) All matter has mass. C) All matter is composed of elements. D) All matter exists in the form of compounds.
In the experiment on limb length in tetrapods that was conducted by Davis and Colleagues, a mouse with which genotype would lack defects in limb formation?
A. AaBb B. AaBB C. AABb D. AAbb