A. The ventricles are fully contracted
B. The ventricles start to relax
C. The bicuspid and tricuspid valves suddenly close
D. The semilunar valves are closed
mitochondria in ear lobe cells are nearly____________?
A. 40
B. 50
C. 55
D. 60
The term biology was introduced in__________ in 1800?
A. Germany
B. Turkey
C. Italy
D. Japan
Enzymes __________________ the activation energy of a chemical reaction?
A. Increases
B. Decreases
C. Does not effect
D. Increases or decreases depending upon individual enzyme
Rose is an example of____________?
A. Hydrophytes
B. Mesophytes
C. Xerophytes
D. Halophytes
Which of the following is a chemical link between catabolism and anabolism?
A. AMP
B. ADP
C. ATP
D. All of these
A chemical substance that reacts with enzyme but is not transformed into product and thus blocking active site is called__________?
A. Substrate
B. Co-factor
C. Inhibitor
D. Promotor