Answer: Option E) polar
Amino acid-derived and peptide hormones are unable to diffuse across a cell membrane because they are polar
Explanation:
Amino acid-derived and peptide hormones such as serotonin, epinephrine, dopamine etc, are unable to diffuse across a cell membrane because they consist of several repeating units of amino acids with positively charged or negatively charged side chains.
Thus, the side chains make these hormones water-loving (hydrophilic), and impassable to the hydrophobic layer of the cell membrane.
Answer:
2
Explanation:
Though the effect of ships disappearing over the horizon <em>is </em>due to its spherical shape, it could also be used evidence for objects falling off the "edge" of a flat, planar-shaped earth.
Adaptations such as keen eyesight and ability to visualize colors allows the bees to find food while increasing the plants chances of pollination.
<h3>What are adaptations?</h3>
Adaptation refers to the special features an organism possess that enhances its chances of survival in its environment.
The adaptations in bees such as eye structure help them to easily locate flowers to obtain nectar.
The plants themselves are benefited as they can easily get pollinated by the bees.
Therefore, adaptations such as keen eyesight and ability to visualize colors allows the bees to find food while increasing the plants chances of pollination.
Learn more about adaptation at: brainly.com/question/29594
Its b or d
Explanation:
None
