Answer:
l think the suitable answer can be no.A. and no.D.
Answer:
Epinephrine binds to receptors on some smooth muscles (ex: around arterioles) → Ca++ released from ER → intracellular Ca++ up → stimulates contraction. c. Epinephrine binds to receptors on some smooth muscles (ex: around bronchioles) → phosphorylates protein needed for response to Ca++, preventing response.
If a person is "sterile", this means that they cannot reproduce. The word "sterilized" is essentially stating that there is no productive activity in order to be able to reproduce.
Answer:
El medio ambiente es el entorno que afecta a los seres vivos y que condiciona sus circunstancias vitales. Las condiciones (físicas, económicas, culturales, etc.) de un lugar, un grupo o una época. ... Conjunto de características típicas de un determinado marco histórico o social: ej ambiente medieval.
Explanation:
A compound is always a substance because it's made out of two or more atoms bonded together. Now a substance isn't always a compound because it takes two or more elements to create a compound in a chemical reaction, ans substances can contain only one element. In other words a substance can be constructed of one type of atom. Some substances that aren't compounds are: gold and baking soda.
