Bio 141 lab notes

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Bio 141 lab notes

What makes up enzyme substrate complex? An enzyme is a biological catalyst that speed up a reaction without being consumed by the reaction. It serves as a benchmark that allows the scientist to decide whether the predicted effect is really due to the independent variable Prediction Designed to test a specific hypothesis; IF a restatement of the hypothesisTHEN predicting the results of the experiment Table vs figures titles Table: Not a statement; at the top Figure: A statement; below figure Line graphs vs Bar graphs Line: If competitive, the reaction will reverse at increased concentration of substrate and produce a color change When preparing a test tube in enzyme labs, why wait until last moment to add substrate?

Because the reaction begins when the substrate and enzyme come into contact Identify an amoeba. How does it digest food? Phagocytosis Which one is multicellular? Interpupilary distance Why does the graph level off at higher concentrations? The enzyme is saturated- all active sites are used Is compound microscope a light or electron microscope?

Light What happens to depth of field if we increase magnification? They lower Ea to speed up reaction without being consumed Scientists are concerned about the effect of sulfur dioxide pollution on soybean production. Identify 1 Incident light 2 transmitted light 3 focus knob How do we test for presence of starch?

If starch is present. Is it competitive or non-competitive? Non-competitive What 2 enzymes were studied in the enzyme lab? Cofactors are nonprotein substances that the enzyme needs to bond in order for the enzyme to function Coenzymes are organic cofactors 1.

Is the image in the occular inverted relative to the specimen on the stage? What os the distance between the specimen letter and the objective lens called? Is distance greater with 10x or 40x? Electron microscope What is the depth of field?

The thickness of the specimen that may be seen in focus at one time What does elodea look like? With what microscope do you look at it through?

It is a leaf plant. It has a cell wall, chloroplasts, etc. Stereoscope microscope Which type of microscope focuses a beam of electrons through a specimen and magnifies objects greatly? Is it multi or unicellular?

Cell membrane, ectoplasm inside cell membraneendoplasm, contractile vacuole, food vacuole, nucleus, pseudopodia What are the parts of trichonympha? Where do they live? What is the solution prepared for them? Flagella perhaps not for locomotion?

Live in gut of termites Solution: What can you see under the microscope? Green algae, "Moss"; aggregate; you see clusters of cell walled, cell membraned green bubbles Is Scenedesmus aggregate or colonial? What are the parts of Scenedesmus? Parts of a volvox? Not colonial, multicellular Somatic cells, cytoplasmic connections, flagella, cell walls, nuclei, daughter colonies product of sexual reproduction Epithelial cells functions and parts 3 Outside of animals, protect animals from water loss, mechanical injury, foreign invaders, and line interior cavities and ducts in animals Parts: Chemicals that must bind for the enzyme to be active What is a cofactor?

Can be competitive or noncompetitive What were the two enzymes tested in the enzyme experiment? Catechol oxidase and amylase What is the formula of the reaction for catechol?

Catechol melanin Benzoquinone What was the competitor?AET Internal Combustion Engine Theory and Servicing. This is a theory/laboratory course designed to introduce the student to basic heat engine types, their .

The start of Western alchemy may generally be traced to ancient and Hellenistic Egypt, where the city of Alexandria was a center of alchemical knowledge, and retained its pre-eminence through most of the Greek and Roman periods. Here, elements of technology, religion, mythology, and Hellenistic philosophy, each with their own much longer histories, combined to form the earliest known records.

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He had notable success between and with the. BIOL Malcos Main Content. BIOL – Introductory Physiology – SPRING Instructor Information You can use any physiology textbook, Wikipedia, or the Powerpoint notes to help.

Bio 141 lab notes

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BIOL Malcos — Penn State University Department of Biology