In early Drosophila development, which of the following forms first?
a. segmented larva
b. pupa
c. syncytial blastoderm
d. blastocyst
e. cellular blastoderm
C
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All organic molecules contain
A. oxygen and carbon. B. nitrogen and oxygen. C. hydrogen and oxygen. D. carbon and nitrogen. E. hydrogen and carbon.
Which of the following is NOT a possible result of EPSP & IPSP activity?
a. An unusually strong action potential forms. b. No summation. c. EPSPs and IPSPs cancel each other out. d. Temporal summation. e. Spatial summation.
In plants, this type of cell connection, lined by the cell membranes and allowing transport of molecules between cells, is the
A. gap junction.
B. adjacent junction.
C. tight junction.
D. plasmodesma.
E. anchoring junction.
All RNAs are made by the same process and have the same size. Indicate whether the statement is true or false