During photosynthesis, plants capture light energy from the sun to break the bonds in reactants, such as carbon dioxide and water, and form carbon-containing molecules, such as glucose. the carbon-containing molecules can then be used
a. to assemble larger molecules, such as dna, proteins, and fats. b. to synthesize essential amino acids. c. to produce inorganic compounds, such as sulfuric acid. d. all of these

Describe the iron sulfide hypothesis and the lipid membrane hypothesis.

Neelaredoxin is a 15-kda protein that is a gene product common in anaerobic prokaryotes. it has superoxide-scavenging activity, and it is constitutively expressed. in addition, its expression is not further induced during its exposure to o2 or h2o2 (silva, g., et al. 2001. j. bacteriol. 183: 4413–4420). which of the following statements best describes neelaredoxin synthesis? a-neelaredoxin is produced at all times; levels are constant even when exposed to o2 or h2o2.b-neelaredoxin is produced at all times; exposure to o2 or h2o2 increases expression.c-neelaredoxin is produced at all times; exposure to o2 or h2o2 decreases or prevents expression.d-neelaredoxin is only produced when there is exposure to o2 or h2o2.

Which units ate used to measure both velocity and speed? check all that apply