A slimy layer of bacteria coating a surface is also known as
a. prokaryocommune
b. bioaggregate
c. tissue
d. biofilm
e. plague
Ans: d. biofilm
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What cellular process is involved in the release of histamine or cytokine?
A. receptor-mediated endocytosis B. pinocytosis C. exocytosis D. transcytosis
The study of the genetic variability within a population and the forces that change allele frequencies is:
a. variation ecology. b. evolutionary genetics. c. population genetics. d. cytogenetics. e. allele genetics
Correns found that the inheritance of variegated color on the leaves of certain plants was determined only by the maternal parent. What phenomenon explains this pattern?
A) ribosome structure B) chloroplast inheritance C) genomic imprinting D) sex-linkage
Nuclear membrane reappears during
A. Metaphase B. Prophase C. Anaphase D. Interphase E. Telophase