Answer:
Enzymes are biological catalysts that increase the rate of chemical reactions inside cells by lowering the activation energy required for the reaction to proceed. In nature, exergonic reactions do not require energy beyond activation energy to proceed, and they release energy.
D two cells with 12 chromosomes in zero homologus
Explanation:
Cell wall is not present in animal cells .
Chloroplasts are found exclusively in plants, and carry out photosynthesis