During the second and third trimesters of pregnancy, the woman's energy needs increase by how many kilocalories per day? during the second and third trimesters of pregnancy, the woman's energy needs increase by how many kilocalories per day? 500 to 650 350 to 450 more than 900 700 to 800

a few examples of ethical concerns involving genetically engineering of humans include

-privacy of genetically tested people

- potential side effects

-long term effects

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