Answer the following statements true (T) or false (F)
1. DNA transcription is another word for DNA replication.
2. The glycocalyx is often referred to as the "cell coat," which is somewhat fuzzy and sticky with numerous cholesterol chains sticking out from the surface of the cell membrane.
3. In their resting state, all body cells exhibit a resting membrane potential ranging from -50 to about +50 millivolts.
4. Microfilaments are thin strands of the contractile protein myosin.
1. FALSE
2. FALSE
3. FALSE
4. FALSE
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Descending (motor) pathways always involve at least ________ motor neuron(s)
A) one B) two C) three D) four E) spinal
The process of DNA replication occurs during which phase of mitosis?
a. prophase b. metaphase c. anaphase d. none of the above
Which of the following occurs when glycolysis produces pyruvate faster than it can be used by the mitochondria?
A) Pyruvate levels drop in the cytoplasm. B) Lactic acid is produced. C) Pyruvate is converted to sucrose. D) Lactic acid dissociates into a water molecule and hydrogen. E) Oxygen is produced.
Which of the following male accessory reproductive organs secretes prostaglandins?
A. prostate gland B. seminal vesicles C. epididymis D. bulbourethral glands E. vas deferens