Unwound strands of chromosomes visible as threads in the nucleoplasm are called ____
a. nucleotides
b. chromatin
c. chromatids
d. centromere
b
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With respect to the control of ventilation, which brain region stimulates the internal intercostal muscles to contract, causing forced exhalation?
A. Ventral respiratory group (VRG) B. Pleurotaxic area C. Dorsal respiratory group (DRG) D. Pneumotaxic area E. Apneustic area
The channel behind cows in stanchions that collects manure deposited during the milking process is the __________
Fill in the blank(s) with correct word
The femur is the longest and strongest bone of the entire skeleton.
Answer the following statement true (T) or false (F)
Which hormone(s) is released by cardiac muscle cells in response to increased atrial distension?
A) ADH B) aldosterone C) PTH D) acetylcholine E) natriuretic peptides