Which of the following statements is FALSE?
a. Hormones are long distance signaling molecules.
b. Nanotubes allow the movement of organelles between adjacent cells.
c. Cytokines may act as small, long distance signaling molecules.
d. Paracrine signaling molecules are one type of chemical communication betweenorganisms

e. Steroids are hydrophobic molecules derived from cholesterol.


D

Anatomy & Physiology

You might also like to view...

The system responsible for the breakdown of food for the body to use is called the _________ system

Fill in the blank(s) with correct word

Anatomy & Physiology

The proximal epiphysis is represented by ________

Anatomy & Physiology

Which is the correct sequence of structures sperm travels through prior to ejaculation?

a. ductus deferens---epididymis---ejaculatory duct---urethra. b. urethra---ductus deferens---epididymis---ejaculatory duct. c. epididymis---ductus deferens---ejaculatory duct---urethra. d. epididymis ---ductus deferens---ejaculatory duct---urethra. e. ejaculatory duct---ductus deferens---epididymis ---urethra.

Anatomy & Physiology

The cells in this layer of epidermis are dead, and their flat, scale-like remnants are filled with keratin

A) stratum granulosum B) stratum spinosum C) stratum corneum D) stratum basale

Anatomy & Physiology