#Question id: 4919
#Unit 8. Inheritance Biology
Genes for cytoplasmic male sterility in plants are generally located in
#Question id: 12234
#Unit 10. Ecological Principles
#Question id: 822
#Unit 1. Molecules and their Interaction Relevant to Biology
Detergents commonly used protein denaturations by interacting with
#Question id: 5673
#Unit 5. Developmental Biology
Species-specific sperm attraction has been documented in numerous species. In echinoderms, sperm are attracted toward eggs of their species by chemotaxis. Following statements are about chemoattraction-
A. In this process Sperm follows a gradient of a chemical secreted by the egg.
B. These oocytes control only the type of sperm they attract, but not the time at which they attract them.
C. Releasing the chemotactic factor only when the sea urchin egg has completed all of its meiotic divisions .
D. Releasing the chemotactic factor only when the sea urchin egg is in second metaphase of its meiotic division.
E. The mechanisms of chemotaxis differ among species and chemotactic molecules are different even in closely related species.
Which of the following statement are incorrect about this process?
#Question id: 5839
#Unit 8. Inheritance Biology
During recombination in E. coli, ________ recognize(s) regions of sequence similarity and promote(s) strand invasion, while ________ bind(s) to a Holliday junction promoting strand migration.