QUESTIONS WITH ANSWERS GRADED A+
◍ The original cell was thought to have arisen from the enclosure of
self-replicating _______
by a phospholipid membrane. Answer:RNA
◍ The source of the atmospheric oxygen necessary for the development
of oxidative metabolism is thought to have been Answer:photosynthesis
◍ Chloroplasts are thought to have originated from endosymbiosis of
_______ by a large host cell. Answer:photosynthetic eubacteria such as
cyanobacteria
◍ The genome of eukaryotes consists of genes derived from
Answer:both archaebacteria and bacteria.
◍ Which of the following is not a unicellular eukaryote?
A) Saccharomyces cerevisiae
B) Paramecium
C) Archaebacteria
D) Chlamydomonas Answer:C) Archaebacteria