#Question id: 9153
#Unit 9. Diversity of Life Forms
Imagine some cosmic catastrophe jolts Earth so that its axis is perpendicular to the orbital plane between Earth and the sun. The most obvious effect of this change would be ________.
#Question id: 4044
#Unit 3. Fundamental Processes
Which of the following sigma specificity factors is involved in middle gene transcription during SPO1 phage infection of bacteria?
#Question id: 11798
#Unit 6. System Physiology – Plant
Companion cells transport of photosynthetic products from producing cells in mature leaves to the sieve elements in the minor veins of the leaf. There are at least three different types of companion cells in the minor veins of mature, exporting leaves, All three cell types have dense cytoplasm and abundant mitochondria;
#Question id: 32300
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 5459
#Unit 8. Inheritance Biology
Who explained the multifactorial hypothesis?