In
C4 and CAM plants carbon dioxide is fixed in the cytosol of mesophyll cells.
<span>
C4
and CAM plants have specially adapted metabolic pathway in order to limit exposure
of Rubisco enzyme to oxygen (oxygen can inhibit Rubisco and reduce
photosynthesis that way). C4 plants separate steps of CO2 fixation and Calvin
cycle in two different cell types. CAM plants separate these steps in time,
between night and day.</span>
According to the Darwin, change in species occurs due to the strugle for existance by organisms(natural selection) and according to the Lamark, change in species occurs due to the inheritance of acquired characters from one to another generation.
Answer:
1) The protein is a tetramer, i.e., it has 4 subunits
2) The protein has two identical subunits with a molecular weight of 90 kDa
3) Because this protein contains two subunits with identical molecular weight (90 + 90= 180)
Explanation:
160 kDa + 90 kDa + 60 kDa = 310 kDa >>
Subunit X = 400 kDa - 310 kDa = 90 kDa >> Two subunits with a weight of 90 kDa likely linked by disulfide bonds (i.e., non-reducing conditions can break all bonds except sulfide interactions)
