Type the correct answer in the box, Use numerals instead of words.

Biology

1 answer:

Gnesinka [82]2 years ago

6 0

Human activities release 9 gigatons of carbon into the atmosphere each year.

Human activities remove 5 gigatons of carbon from the atmosphere each year.

Humans’ net contribution of atmospheric carbon to the atmosphere is 4 gigatons each year.

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What are the problems encountered during the conduct of the activity in sensory evaluation?

Natasha_Volkova [10]

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Sensory Evaluation

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Alexxandr [17]

Answer: Option E) polar

Amino acid-derived and peptide hormones are unable to diffuse across a cell membrane because they are polar

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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.

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