14. The lock-and-key model of enzyme function shown to the right. Which important characteristic of enzymes is
illustrated in this model?
a. Ability to bind with many reactants
b. Precise fit with a particular substrate
C. Ever-changing structure.
d. Ability to bond with a product

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand

Select the word from the list that best fits the definition a system made of 25 satellites

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content