Answer:
B)Cholesterol in the membrane
Explanation:
Membrane fluidity is affected by fatty acids. More specifically, whether the fatty acids are saturated or unsaturated has an effect on membrane fluidity. ... Membrane fluidity is also affected by cholesterol. Cholesterol can make the cell membrane fluid as well as rigid.
D is the answer. A gene is a part of a chromosome.
Answer:
Open circulatory system:
Relies on the heart to keep blood flowing
Used in all vertebrates
Sorry thats all i know :)
<span>Any type of pharmaceutical product or dietary supplement must be tested in clinical trials before they can be marketed in order to assess their safety for the general public's consumption and to confirm their intended purpose. While not a complete fail safe, these tests intend to prove a reasonable sense of safety for the product.</span>