<div data-offset-key="fkkab-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">4 Biological Molecules</div>

<div data-offset-key="4q3d3-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">Biological Molecules</div>

<div data-offset-key="88hhq-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">1. List the chemical elements that make up carbohydrates, fats, and proteins.</div>

<div data-offset-key="c5sde-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">2. State that large molecules are made from smaller molecules, limited to:</div>

<div data-offset-key="av54l-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">▪ Starch, glycogen, and cellulose from glucose.</div>

<div data-offset-key="df2fp-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">▪ Proteins from amino acids.</div>

<div data-offset-key="1boqu-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">▪ Fats and oils from fatty acids and glycerol.</div>

<div data-offset-key="90lpg-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">3. Describe the use of:</div>

<div data-offset-key="c220i-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">▪ Iodine solution test for starch.</div>

<div data-offset-key="62rtc-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">▪ Benedict’s solution test for reducing sugars.</div>

<div data-offset-key="3p85j-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">▪ Biuret test for proteins.</div>

<div data-offset-key="jlrg-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">▪ Ethanol emulsion test for fats and oils.</div>

<div data-offset-key="ds8p1-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">▪ DCPIP test for vitamin C.</div>

<div data-offset-key="2t0b-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">4. Describe the structure of a DNA molecule:</div>

<div data-offset-key="7e8jp-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">▪ Two strands coiled together to form a double helix.</div>

<div data-offset-key="aijtp-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">▪ Each strand contains chemicals called bases.</div>

<div data-offset-key="8rlb8-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">▪ Bonds between pairs of bases hold the strands together.</div>

<div data-offset-key="6v6s4-0-0" class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr">▪ The bases always pair up in the same way: A with T, and C with G (full names are not required).</div>