Very early in development, each cell is capable of expressing all its genes. This is referred to as
A. determination.
B. specification.
C. bipotential induction.
D. totipotency.
E. multipotency.
D. totipotency.
Biology & Microbiology
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True or false: Post-zygotic reproductive isolation may be due to either temporal or ecological separation
A. true B. false
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Not all plants can use the C4 pathway to avoid photorespiration
Indicate whether the statement is true or false.
Biology & Microbiology
What characterizes a thermocline in a temperate zone lake?
1.The layer above it is warm and has lots of oxygen. 2.The layer below it contains the warmest water. 3.It occurs in the spring as the air warms and ice melts. 4.It is very rich in oxygen.
Biology & Microbiology
Cilia and flagella are most directly involved in:
a. metabolism. b. movement. c. maintaining homeostasis. d. muscle contraction. e. cell signaling
Biology & Microbiology