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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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

The micturition reflex center is in the

A) hypothalamus. B) pons. C) sacral segments of the spinal cord. D) medulla oblongata.

Anatomy & Physiology