Concept 19 The DNA molecule<span> is shaped like a twisted ladder. James Watson and Francis Crick solved the structure of DNA. Other scientists, like Rosalind Franklin and Maurice Wilkins, also contributed to this discovery.</span>
<span>Epinephrine is most likely to be released into the bloodstream in order to accelerate one's heartbeat. This usually occurs when one is in danger, thus, preparing the individual for a fight-or-flight response. This hormone is also most commonly known as adrenaline as it is secreted by the adrenal glands. </span>
<span>The celestial sphere is a coordinate system that uses the Earth as a reference. Declination indicates how far north or south from the celestial equator an object is. Right ascension indicates how far east or west from the vernal equinox an object is.</span>
False. mutations are not always life threatening.
