Photons with any energy value are able to cause transitions in the electronic states of organic molecules to drive reactions and thus capture light energy in chemical form
The human genome has 3 × 109 base pairs (bp) of DNA If this were one continuous molecule and extended such that each nucleotide was separated from the adjacent nucleotide by 4 Å, as proposed in the Watson and Crick model, what would the end-to-end distance be?
Which of the following molecules is correctly paired with the enzyme that can convert it to oxaloacetate to replenish the citric acid cycle when other intermediates are removed?
If a segment of a eukaryotic chromosome contained three origins of replication (at the sites indicated with arrows), how would the segment appear when replication was about half completed?
Which of the following statements is true of resonance structures?
a. Resonance structures differ from one another only in the positioning of electrons
The binding of Ca2+ to troponin C increases troponin C interaction with troponin I and decreases troponin I interaction with ____________, which makes myosin-binding sites accessible