Which type of membrane proteins allow cells to identify one another?
A. Receptor proteins
B. Channel protein
C. Marker molecules
D. Carrier proteins
E. Enzymes
Answer: C
Anatomy & Physiology
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The micturition reflex center is in the
A) hypothalamus. B) pons. C) sacral segments of the spinal cord. D) medulla oblongata.
Anatomy & Physiology
Neurons conduct action potentials (nerve impulses), but neuroglia do not.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
Ovulation is stimulated by which hormone?
A. FSH B. LH C. Estrogen D. Progesterone
Anatomy & Physiology
Place the steps of translation in the correct order, starting with what happens first.
• the tRNA is released from the ribosome and is now available to pick up another amino acid • the ribosome binds mRNA • a new amino acid is linked to the growing peptide chain • a tRNA anticodon binds to a complementary mRNA codon
Anatomy & Physiology