Answer:
Small uncharged polar molecules, such as H2O, also can diffuse through membranes, but larger uncharged polar molecules, such as glucose, cannot. Charged molecules, such as ions, are unable to diffuse through a phospholipid bilayer regardless of size; even H+ ions cannot cross a lipid bilayer by free diffusion.
Explanation:
The first thing that the farmer should do is formulate a hypothesis in which he will make intelligent guesses on what is happening or develop a theory of which would explain what is happening. It is the first step in scientific investigation in order to formulate questions of why weeds that are sprayed does not die. After this, it is only then the farmer should experiment and after that, he should finalize his findings as it is its conclusion to the problem.
Answer:
Asexual plant propagation methods produce new plants from vegetative parts of the original plant, such as the leaves, stems and roots. These methods are generally referred to as vegetative propagation.
<h3>e.g. rhizome, bulb, tuber etc</h3>
<h2>Hope it helps you!!</h2>
Answer:
The Sun revolves around Earth.
Antidepressant medication tends to increase the concentration of central serotonin in the brain.
Antidepressants medications are drugs that are used to relieve symptoms of depression, anxiety disorders and other conditions. The concentration of central serotonin (a neurochemical) in the brain is increased to a dangerous level when antidepressant medications such as serotonin and norepinephrine reuptake inhibitors (SNRIs) or selective serotonin reuptake inhibitors (SSRIs) is used together with another antidepressant that also influences serotonin levels in the brain.
