You are given an unknown organism to identify. It is unicellular and heterotrophic
It is motile, using many short extensions of the cytoplasm, each featuring the 9 + 2 filament pattern. It has well-developed organelles and two nuclei, one large and one small. This organism is most likely to be a _____.
A) foraminiferan
B) radiolarian
C) ciliate
D) kinetoplastid
E) slime mold
Answer: C
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Homologous chromosomes separate during
a. anaphase I. b. anaphase II. c. metaphase I. d. metaphase II. e. telophase II.
Desiccation is the process of drying out due to the effects of sunlight and wind
Indicate whether the statement is true or false
Most of the nutrients in the leaves of a deciduous plant are lost from the plant when the leaves senesce and drop to the ground
Indicate whether the statement is true or false
Why is a molecule of H2 more stable than an atom of hydrogen?
A) The H2 molecule shares the 2 electrons in the outermost shell. B) The H2 molecule has 4 electrons instead of 2. C) The H2 molecule has a vacancy in the outermost electron shell. D) Two pairs of electrons are shared in a strong double bond. E) The innermost shell is more stable when it has 1 electron in it.