The region that divides a chromosome into two arms is the ______
A. centriole D. chromatid
B. centromere E. centrum
C. chromatin
B
You might also like to view...
Which enzyme is paired with the substance it digests?
a. lipase ?protein b. pancreatic amylase ? starch c. pepsin ?starch d. salivary amylase ?protein e. trypsin ? fats
A consequence of the tendency of the human to gain excess weight is an increased risk of developing high blood pressure, diabetes, cancer, and heart disease.
Answer the following statement true (T) or false (F)
When a person's blood pH is too low, the kidneys will restore a healthier balance by ________
A) secreting more sodium ions into the urine B) reabsorbing more hydrogen ions from the filtrate C) secreting excess hydrogen ions into urine D) slowing ventilation
Assuming resting conditions at sea level, what is the partial pressure of carbon dioxide in pulmonary veins?
A) 100 mm Hg B) 40 mm Hg C) 80 mm Hg D) 160 mm Hg E) 46 mm Hg