How does regular exercise help make us more alert and energetic? A. It gets our hearts beating faster and gives us a rush of energy. B. Exercise increases our endurance and therefore we feel less tired. C. During exercise the brain releases endorphins, the chemicals that help improve our mood. D. We breathe in more oxygen while exercising, which helps us feel more awake. Reset Next

Describe how the above factors create barriers for maintaining your mental and emotional health what barriers do they create

Some viruses can be crystallized and their structures analyzed. one such virus is yellow mottle virus, which infects beans. this virus has a single-stranded rna genome containing about 6300 nucleotides. its capsid is 25-30 nm in diameter and contains 180 identical capsomeres. if the yellow mottle virus begins its infection of a cell by using its genome as mrna, which of the following would you expect to be able to measure? a) replication rateb) transcription ratec) translation rated) formation of new transcription factors

Complete as many questions as you can.