The skin is made up of three layers, each with its own important parts. The layer on the outside is called the epidermis
<span>In order to react to the stimulus and catalyze the reaction necessary for the desired outcome, enzyme require a process in which they bind with the substrates in the given experiment, which will then allow the enzymes to undergo the process they are attempting to implement.</span>
Your answer is B for your question
Density-dependent limiting factors cause a population's per capita growth rate to change—typically, to drop—with increasing population density
D. Mutations will always impact an individual on some level
Most of these seem accurate or at least close to being accurate on how mutations affect genes however, some mutations won’t always impact an individual because some mutations are so minor. But this is my best guess