#Question id: 10899
#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: 4726
#Unit 8. Inheritance Biology
Which of the following is incorrect regards genomic imprinting?
#Question id: 8695
#Unit 9. Diversity of Life Forms
Phylogenetic trees constructed from evidence from molecular systematics are based on similarities in ________.
#Question id: 19369
#Unit 12. Applied Biology
#Question id: 431
#Unit 1. Molecules and their Interaction Relevant to Biology
Which is not generally a molecule used to conserve energy?