#Question id: 744
#Unit 1. Molecules and their Interaction Relevant to Biology
In a DNA molecule, deoxyribonucleotides are joined into a polymer by the covalent linkage of a phosphate group. The covalent link termed as:
#Question id: 1102
#Unit 4. Cell Communication and Cell Signaling
Caffeine is an inhibitor of phosphodiesterase. Therefore, the cells of a person who has recently consumed coffee would have increased levels of which of the following molecules?
#Question id: 18384
#Unit 12. Applied Biology
#Question id: 378
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following statements about buffers is true?
#Question id: 10192
#Unit 6. System Physiology – Plant
Solar-tracking leaves present a nearly vertical position at sunrise, and during the night the leaves take a horizontal position, the sensing of light in solar-tracking leaves occurs in specialized regions of the leaf or stem, it can response for,