Which terms best describes the class of questions that Insel and Young were addressing when they studied the effect of antidiuretic hormone on monogamous voles by experimentally increasing the number of receptors in the brain?

a. proximate; mechanistic ultimate;
b. developmental/ontogenetic
c. ultimate; mechanistic
d. proximate; survival-value/adaptation
e. ultimate; survival-value/adaptation

idk

explanation:

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!

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