Bacterial cells pick up free pieces of DNA that were secreted you live bacteria or released from dead bacteria in their environment this process is called
A) transformation.
B) transduction.
C) conjugation.
D) infection.
E) replication
Answer: A) transformation.
You might also like to view...
In a chloroplast, the stroma is the
A) cytochromes associated with the thylakoids. B) stack of thylakoids. C) region between in the inner and outer membranes. D) connection between the grana. E) central semifluid region.
Critical concentration is
A) the concentration of tubulin dimers at which assembly is balanced with disassembly. B) the concentration of tubulin dimers at which assembly occurs primarily. C) the concentration of G-actin in most muscle cells. D) required before nucleation can occur. E) both choices A and D
Based on their response to a particular hormone from
the anterior pituitary, Sertoli cells of the male are most like __________ of the female. a. uterine cells b. oviducts c. ovarian follicles d. cervix cells e. the corpus luteum
Anaphase II is essentially the same as mitotic anaphase except that in anaphase II ________ and in mitotic anaphase ________
A) the cells are diploid... the cells are haploid B) chromosomes line up double file in the middle of the cell... chromosomes line up single file in the middle of the cell C) crossing over occurs... crossing over does not occur D) the cells are haploid and sister chromatids separate... the cells have the same number of chromosomes as the original cell and sister chromatids separate