Which situation would be most likely to cause a DNA mutation? A. A maple tree becomes dormant to prevent water loss during a drought. B. A person spends one hour each day under the ultraviolet rays of a tanning bed. C. A wood frog in a lake is exposed to temperatures below 0°C during the winter months. D. A culture of cells is placed in a chamber and exposed to high pressure for 10 hours.

hi my name is ashlynn and im 15

these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.

answer/// the nucleoid region contains dna; ///

bradycardia ( blood presssure below 120/80mmhg )

it is contraindicated to give nitroglycerin to patients with blood pressure that is lower than normal range because the drug can cause blood pressure to drop further. it can lead to paradoxical bradycardia and less commonly, threatening hypotension.