Name the membrane-enclosed compartments in a eukaryotic cell where each of the functions listed below takes place
A. photosynthesis
B. transcription
C. oxidative phosphorylation
D. modification of secreted proteins
E. steroid hormone synthesis
F. degradation of worn-out organelles
G. new membrane synthesis
H. breakdown of lipids and toxic molecules
A photosynthesis = chloroplast
B. transcription = nucleus
C. oxidative phosphorylation = mitochondrion
D. modification of secreted proteins = Golgi apparatus and rough endoplasmic reticulum (ER)
E. steroid hormone synthesis = smooth ER
F. degradation of worn-out organelles = lysosome
G. new membrane synthesis = ER
H. breakdown of lipids and toxic molecules = peroxisome
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Which is false regarding the two-component regulatory system in bacteria?
A. One part of the system is exposed to the external cellular environment while another part is exposed to the cytoplasm. B. The system involves a sensor kinase and a response regulator. C. The sensor kinase is phosphorylated by the response regulator when the extracellular environment changes. D. Regulation of OmpF and OmpC porin proteins in E. coli is modulated by this type of system.
A cell structure that acts as a boundary between a cell and its environment
A) Cristae E) Flagella
B) Electron transport chain F) Plasma membrane
C) Microtubules G) Citric acid cycle
D) Glycolysis H) ATP
The homeostatic interaction between the endocrine system and which other system is demonstrated by
insulin and growth hormone supporting delivery of nutrients to all cells? a. circulatory system b. lymphatic system c. digestive system d. skeletal system e. muscular system
Members of a population have similar
a. phenotypes. b. morphological traits. c. physiological traits. d. behavioral traits. e. all of these