#Question id: 2743
#Unit 2. Cellular Organization
How many types of histone molecules are found in nature?
#Question id: 6958
#Unit 5. Developmental Biology
Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?
#Question id: 32583
#Unit 2. Cellular Organization
#Question id: 5053
#Unit 5. Developmental Biology
Local cell signaling is carried out via membrane receptors that bind to proteins in the extracellular matrix (ECM) or directly to receptors from a neighboring cell in a process called as-
#Question id: 9197
#Unit 9. Diversity of Life Forms
What is the biological significance of genetic diversity between populations?