You have to first make some observations and then ask a question. Then you make a hypothesis (or guess) what the answer is - do the experiment to see if you're right!
Answer:
It's the lowest level of biological organization that can survive and reproduce as long as appropriate conditions are achieved.
Explanation:
The answer is charged amino
acid group.
<span>Grouping of amino acid into
one of three categories are only based on its R group. And there is an amino
and carboxyl group are present in the amino acid that are ionized so we can say
that amino acid is technically charged and there is one thing to remember that
Amino acids that are classified as polar, they are not having any charge.</span>
Answer:
effector
Explanation:If the value is not at the set point or is outside the normal range, the control center sends a signal to the effector. The effector is an organ, gland, muscle, or other structure that acts on the signal from the control center to move the variable back toward the set point.