As animals became more mobile, ________ body symmetry became more favorable
a. asymmetry
b. radial symmetry
c. bilateral symmetry
d. pentamerous radial symmetry
c
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The passageways in the nuclear envelope for movement of substances between the nucleus and cytoplasm are called nuclear ________.
A. pores B. inclusions C. endoplasmic reticulum D. chromatin E. histones
Data that are meaningful and fit into the framework of scientific knowledge are
A. reliable. B. valid. C. fact. D. a scientific law.
Transcription occurs in the nucleus or at the nucleoid.
Answer the following statement true (T) or false (F)
When glucose is being used up and not replaced from food intake, the blood sugar level can be maintained by synthesizing glucose from smaller molecules such as pyruvate or lactate. This process is called gluconeogenesis
Which organ is principally responsible for supplying glucose to the rest of the body when glucose reserves are low? (a) liver (b) pancreas (c) spleen (d) gall bladder