#Question id: 15664
#Unit 8. Inheritance Biology
#Question id: 3661
#Unit 3. Fundamental Processes
______________ short fragment of DNA produced during replication of the lagging strand.
#Question id: 4965
#Unit 11. Evolution and Behavior
What is thought to be the correct sequence of these events, from earliest to most recent, in the evolution of life on Earth?
1. origin of mitochondria
2. origin of multicellular eukaryotes
3. origin of chloroplasts
4. origin of cyanobacteria
5. origin of fungal-plant symbioses
#Question id: 9242
#Unit 9. Diversity of Life Forms
Eutrophication is often caused by excess limiting-nutrient runoff from agricultural fields into aquatic ecosystems. This process results in massive algal blooms that eventually die and decompose, ultimately depleting the dissolved oxygen, killing large numbers of fish and other aquatic organisms. Predict which of the following human actions would best address the problem of eutrophication near agricultural areas?
#Question id: 1246
#Unit 4. Cell Communication and Cell Signaling
An SH2-containing protein contains a mutation that changes its binding pocket such that tyrosine and phosphotyrosine bind with equal affinity. As a result, MEK activity: