The left ventricle has a thicker wall than the right ventricle because the left ventricle has to pump blood against a higher pressure.
Answer the following statement true (T) or false (F)
True
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Which relatively weak type of bond helps stabilize the three dimensional structure of large molecules like proteins and DNA?
a) nonpolar covalent b) polar covalent c) hydrogen d) ionic e) atomic
Which of the following is a physiological buffer?
A) Bicarbonate buffer B) Protein buffer C) Phosphate buffer D) Renal mechanism
Which of the following is important as a stimulus that maintains normal bone structure, especially in growing children, postmenopausal women, and elderly men?
A) regular exercise B) hormone supplements C) cosmetic surgery D) diet E) None of the answers are correct.
This organelle digests other worn-out organelles and foreign substances that have entered the cell
A) peroxisome B) Golgi apparatus C) lysosome D) endoplasmic reticulum