Yearly Archives: 2022

1.            Give at least three features that all animals have in common.   2.            What were the two major branch points in animal evolution?   3.            What animals lack tissues?   4.            What is the […]

1.  Define the Following:   A.  Atomic Number: This   B. Mass Number (Atomic Mass):   C.  Valence Electron:   D.  Covalent Bond:   E.  Ionic Bond:   F.  Hydrogen Bond:   G.  Organic Molecule:   H.  Inorganic Molecule:   2.  Complete the following table for the properties of protons, neutrons, and electrons.     […]

Click on the link below for the National Cancer Institute website.  Use the “About Cancer” and “Cancer Types” tabs to answer the following questions.   http://www.cancer.gov/about-cancer/   You may type your answers directly on this document or handwrite them.   1.  What is cancer?  How does it develop?   2.  What is a tumor?  What […]

1.  Define biotechnology.   2.  Define genetic engineering.   3.  Define the following and explain how they areused in Biotechnology:   A.  Restriction Enzymes   B.  Gel Electrophoresis   C.  DNA Sequencing   D.  PCR   4.  A.  Why are primers important in PCR?        B.  What enzyme is used in PCR?  Why […]

1. Draw a diagram of the cell cycle, labeling Interphase and the Mitotic Phase.   Label G1, S, and G2 phases.   Label Mitosis and Cytokinesis.   2. List the phases of the cell cycle you labeled on the diagram above. Describe what happens during e   phase (G1, S, G2, Mitosis and Cytokinesis)   […]

1. Draw what happens at each stage of Meiosis. Include all stages of both Meiosis I and Meiosis II.   Start with two homologous pairs of replicated chromosomes.   Be sure to show how the chromosomes line up at each stage and what is separated at each stage.   Include crossing over in Prophase I […]

1.Why did National Geographic choose Queens, New York to do their DNA sampling experiment?   2.How many people have given their DNA to this project?   3.What can DNA from cheek swabs tell people about their ancestors?   4.When did the first Homo sapiens live in Africa?   5. Why are humans so physically varied […]

There are four levels of protein folding: primary, secondary, tertiary, and quaternary.  The four levels are represented in the diagram to the right. To what level of folding does each of the following correspond?       Primary Structure:   Secondary Structure:   Tertiary Structure:   Quaternary Structure:   Tertiary structure       Primary […]

The purpose of this assignment is not to write a book on a genetically modified organism (GMO).  I want you to choose a GMO that you are interested in (or possibly never heard of) and learn something about it.  I would also like you to understand, and be able to explain to me, the technology […]

Define the Following A.  Transcription   B.  Exons   C.  Codon   D.  Ribosome   E.  Anticodon   F.  tRNA   G.  Genetic Code   H.  RNA Polymerase   I.  rRNA   J. mRNA   K. Translation   L.  Introns   M.  Splicing   14           A.  What is the central dogma […]