Biology 120 Book: Campbell Biology concepts and connections by Taylor Simon Dickey Hogan Reece 9th edition

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ANSWER THOSE Three ASSIGNMENT ONE PAGE FOR EACH ASSIGNMENT
Assignment 1
Briefly define the following terms:
Matter:
Element:
Compound:
Atom:
Proton:
Electron:
Neutron:
Nucleus:
Atomic number:
Mass number:
Atomic mass:
Fill in the blank:
<ol style="box-sizing: border-box;" start="1" type="1">
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">Atoms of a particular element that differ in mass number are called __________________________.</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">The different mass number is due to different numbers of _____________________ in the nucleus.</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">Write down the name of one type of carbon isotope: ________________________________.</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">How many protons does it have? __________________</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">How many neutrons does it have? ________________</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">How many electrons does it have? ________________</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">What is its mass number? ________________</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">Write down the name of a different type of carbon isotope: __________________________.</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">What is its mass number? ________________</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">Does the mass number differ from that of the first carbon isotope? Why?</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">Explain how electrons determine the chemical properties of an atom:</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">Tell me something you now know about hydrogen bonds and do not just copy the title of the section in the book.</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">Why is life’s molecular diversity based on carbon? Your explanation should demonstrate and understanding of bonding, and it should include an example of an organic molecule that is based on a carbon chain.</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">What is an isomer?</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l2 level1 lfo1; tab-stops: list 36.0pt; box-sizing: border-box;">Describe each of the chemical groups listed here. Name one type of biological molecule that contains each chemical group.</li>
</ol>
Phosphate group: Amino Acid:
16. How are polymers made in cells? How are they broken down? Demonstrate your understanding of each process.
17. What is a polysaccharide?
18. How do phospholipids associate with water to provide structure to cell membranes
19. Explain the relationship between structure and function for proteins. Include the term denaturation in your explanation. Name one secondary structure of proteins
20. How do nucleotide polymers form? Name two nucleic acids and explain their respective roles in gene expression.
21. List and describe the fifteen different structures found within eukaryotic cells.
22. Group these fifteen structures on the basis of four main functions.
Assignment 2
<ol style="box-sizing: border-box;" start="1" type="1">
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l1 level1 lfo2; tab-stops: list 36.0pt; box-sizing: border-box;">Find an example of a polar molecule other than water. Draw an electron distribution diagram for this molecule. Label the following items in your drawing:</li>
</ol>
<ul style="box-sizing: border-box;" type="disc">
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l4 level1 lfo3; tab-stops: list 36.0pt; box-sizing: border-box;">Molecular formula</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l4 level1 lfo3; tab-stops: list 36.0pt; box-sizing: border-box;">Correct number of protons for each atom</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l4 level1 lfo3; tab-stops: list 36.0pt; box-sizing: border-box;">Correct number of neutrons for each atom</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l4 level1 lfo3; tab-stops: list 36.0pt; box-sizing: border-box;">Nucleus</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l4 level1 lfo3; tab-stops: list 36.0pt; box-sizing: border-box;">Correct number and distribution of electrons for each atom (don’t forget to use accurate electron shells and orbitals).</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l4 level1 lfo3; tab-stops: list 36.0pt; box-sizing: border-box;">Electrons involved in covalent bonding</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l4 level1 lfo3; tab-stops: list 36.0pt; box-sizing: border-box;">A minus sign (-) indicating the negatively charged area of the molecule</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l4 level1 lfo3; tab-stops: list 36.0pt; box-sizing: border-box;">A plus sign (+) indicating the positively charged area of the molecule</li>
</ul>
2. Use chemical shorthand to indicate the chemical reactions for photosynthesis and cellular respiration. Use a few sentences to summarize what happens in each reaction. What is the biological context for each reaction (i.e. where does it happen and why)?
3. Explain osmosis. Include the listed terms in your explanation.
<ul style="box-sizing: border-box;" type="disc">
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l0 level1 lfo4; tab-stops: list 36.0pt; box-sizing: border-box;">Solvent</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l0 level1 lfo4; tab-stops: list 36.0pt; box-sizing: border-box;">Solutes</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l0 level1 lfo4; tab-stops: list 36.0pt; box-sizing: border-box;">Hypotonic</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l0 level1 lfo4; tab-stops: list 36.0pt; box-sizing: border-box;">Hypertonic</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l0 level1 lfo4; tab-stops: list 36.0pt; box-sizing: border-box;">Semipermeable membrane</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l0 level1 lfo4; tab-stops: list 36.0pt; box-sizing: border-box;">Osmolarity</li>
</ul>
Assignment 3
Explain the concept of descent with modification by relating it to the following skeletal features. Be sure to describe how evolutionary modifications are related to environmental factors such as habitat and diet. Write bullet points, upload drawings, whatever. Just make sure you understand and reference specific structural examples.
<ul style="box-sizing: border-box;" type="disc">
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l3 level1 lfo5; tab-stops: list 36.0pt; box-sizing: border-box;">Placement of the Foramen Magnus</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l3 level1 lfo5; tab-stops: list 36.0pt; box-sizing: border-box;">Structure of the Zygomatic Arch</li>
<li class="MsoNormal" style="color: #333333; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: 15.0pt; mso-list: l3 level1 lfo5; tab-stops: list 36.0pt; box-sizing: border-box;">Dentition and Dental Formula</li>
</ul>

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Biology 120 Book: Campbell Biology concepts and connections by Taylor Simon Dickey Hogan Reece 9th edition

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