Biotechnology is A the study of biology and technology

B any use of living organisms to benefit health or the environment

C the use of technology to produce living things

D all of the above

A) the study of biology and technology

Explanation:

Biotechnology is the discipline that studies technology based on biology to develop different and useful products. This knowledge can be used for multiple purposes in the field of medicine, industrial processes, environmental cleanup, etc., this is usually achieved through genetic engineering by tailoring organisms.

well we can't tell you because we cant see the time give a screen shot or something.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products