Answer:
With sufficient stimulation, mature sperm travel from the epididymis through the vas deferens, a muscular tube, which propels sperm forward ...
Explanation:
The correct answer is be sure that your instrument is calibrated properly. If your instrument isn't calibrated, then your data will be inconsistent.
More growth of flowers and or more plant food/water supply for it
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.
Doesn’t normally happen until your 40’s or 50’s