As you saw while performing thin layer chromatography, photosynthetic pigments are mostly hydrophobic substances soluble in organic solvents but not in water-based solutions. How does this feature explain the location of these pigments within the chloroplast?
What will be an ideal response?
The pigments are located within the thykaloid membrane and are exposed to organic substances like protein and hydrogen ions; the location ensures that the pigments “stay put” so that they may participate in photosynthesis.
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After fertilization, the zygote grows through a series of cell divisions called cleavage. The embryo does not grow in size although the cell number is increasing. How does this happen?
What will be an ideal response?
The underlying problem with cystic fibrosis is
A. the inability to transport chloride ions. B. mutations in the hemoglobin molecule. C. defective ganglioside molecules. D. the inability to metabolize certain amino acids. E. abnormal fat deposits around the heart.
An organism that is neither prokaryotic nor photosynthetic, and must obtain its nutrients by secreting digestive
enzymes into the environment, belongs to which group of organisms? a. Bacteria b. protists
c. Fungi d. Plantae e. Animalia
A host is not considered diseased until an infection changes one's state of health
Indicate whether the statement is true or false