The correct option is 3.
Enzymes are biological catalysts which speed up the rate of biochemical reactions inside the cells. Enzymes are very specific in action and they require specific conditions called optimum conditions for them to function optimally.
When the optimum conditions are not met, an enzyme's activity will be lowered or totally stopped.
Conditions that affect the optimum activity of an enzyme include: temperature, pH level and regulatory activity of regulatory enzymes and hormones.
The answer is c it's the best one
<span>The mammalian sperm cell consists of a head, a midpiece and a tail. The head contains the nucleus with densely coiled chromatin fibres, surrounded anteriorly by an acrosome, which contains enzymes used for penetrating the female egg.</span>
Planets like, mercury, venus earth: they are in the increasing order of there masses. however this chain breaks at mars.
Planets like, jupiter, saturn, uranus, neptune are arranged in decreasing order of there masses.
<u>R</u><u>e</u><u>a</u><u>l</u><u>l</u><u>y</u><u> </u><u>d</u><u>o</u><u>n</u><u>'</u><u>t</u><u> </u><u>k</u><u>n</u><u>o</u><u>w</u><u> </u><u>that</u><u> </u><u>my</u><u> </u><u>explanation</u><u> </u><u>e</u><u>v</u><u>e</u><u>n</u><u> </u><u>a</u><u>n</u><u>y</u><u> </u><u>s</u><u>e</u><u>n</u><u>s</u><u>e</u><u> </u><u>b</u><u>u</u><u>t</u><u> </u><u>h</u><u>a</u><u>v</u><u>e</u><u> </u><u>j</u><u>u</u><u>s</u><u>t</u><u> </u><u>t</u><u>r</u><u>i</u><u>e</u><u>d</u><u>.</u>
