Examlex
Chlamydiae are incapable of producing many key metabolites,for which they must rely on their host.
Radial Cleavage
A type of embryonic development in deuterostomes where the planes of cell division are either parallel or perpendicular to the vertical axis of the embryo, resulting in the cells being positioned directly above or beside each other.
Cleavage
Series of mitotic cell divisions, without growth, that converts the zygote to a multicellular blastula.
Meiotic Cell Divisions
A type of cell division that reduces the chromosome number by half, leading to the production of gametes in sexual reproduction.
Common Ancestor
The most recent ancestral form or species from which two different species evolutionary diverged.
Q1: Phylogenetic trees are usually constructed using either
Q19: Features that are useful for identification of
Q25: Rickettsias are not _.<br>A)able to use glucose
Q29: Biological nitrogen fixation is carried out _.<br>A)by
Q34: In viral infections involving double-stranded DNA viruses,all
Q40: During sexual reproduction,Saccharomyces cerevisiae produces blastospores.
Q44: A protist with two flagella where one
Q53: Dormant,thick-walled resting cells of cyanobacteria that are
Q60: Asexual reproduction in fungi can be accomplished
Q66: Which of the following genera fix nitrogen