Bio 100 Exam 1 With 100% Correct Answers 2023, Exams of Advanced Education

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Bio 100 Exam 1 With 100% Correct

Answers 2023

True or False: Glycolysis occurs in the cell nucleus - Correct Answer-False; cytoplasm True or False: The bond between C and H in CH4 is an example of a covalent bond - Correct Answer-True True or False: The particle in an atom that carries a positive charge is the neutron - Correct Answer-False; proton is positive, neutron (neural), electron (negative) True or False: Oxidation is the loss of electrons; reduction is the gain of electrons - Correct Answer-True True or False: In the lipid bilayer (such as a cell membrane) lipid tails point outward attracting water molecules - Correct Answer-False True or False: Autotrophic organisms are able to make their own energy using only simple chemicals, water and sunlight - Correct Answer-True True or False: Movement of a molecule across a cell membrane down a concentration gradient is called passive transport - Correct Answer-True True or False: The light-dependent reactions take place in the chloroplast - Correct Answer-True True or False: Chloroplasts and mitochondria share this vital enzyme: ATP-Synthase - Correct Answer-True True or False: Aerobic ATP production yields more ATP per molecule of glucose than anaerobic ATP production - Correct Answer-True True or False: Oxygen is a product of cellular respiration; carbon dioxide is a product of photosynthesis - Correct Answer-False True or False: The oxygen produced in the process of photosynthesis originates from the oxygen contained in the molecule carbon dioxide - Correct Answer-False True or False: Glycogen is a fat that is used for energy storage by plants - Correct Answer-False True or False: Hydrogen bonds are responsible for the shape (or structure) of large molecules like DNA - Correct Answer-True

True or False: The Calvin Cycle requires ATP and NADPH from the light reactions in order to operate - Correct Answer-True True or False: Lactic acid is a product of aerobic respiration; ethyl alcohol is a product of fermentation - Correct Answer-False Buffer solutions have the important property of what? - Correct Answer-Resisting changing in pH Which lipoprotein carrier for cholesterol in the human blood has been labeled the "bad" one? - Correct Answer-LDL Chlorophyll absorbs ____. - Correct Answer-red and blue light Which of these equations describes aerobic cellular respiration? - Correct Answer- glucose + oxygen ---> carbon dioxide + water + energy Basic solutions have a pH value of what? - Correct Answer-Larger than 7 Saturated fats are saturated with _____. - Correct Answer-Hydrogen Proteins are polymers constructed from ______ monomers. - Correct Answer-Amino acid If you expose a photosynthesizing plant to carbon dioxide that contains radioactive oxygen, which of the products of photosynthesis will be radioactive? - Correct Answer- Glucose An animal cell placed in a hypertonic solution will ____. - Correct Answer-Shrink in volume Which of these types of cellular transport require(s) energy - Correct Answer-Active transport ATP synthase plays a role in ____. - Correct Answer-Generating ATP Fats/lipids are composed of _____. - Correct Answer-Three fatty acids and one glycerol Breathing faster when we exercise is necessary to expel___. - Correct Answer-Carbon dioxide and bring in more oxygen to support aerobic metabolism When oxygen delivery becomes insufficient to support a runner's aerobic metabolism, cells switch to an emergency mode in which ___. - Correct Answer-ATP is inefficiently produced and lactic acid is generated as a by-product

An enzyme's function is dependent on its ___. - Correct Answer-Shape The the figure that shows a Alpha Helix with hydrogen bonds and a Pleated sheet with O-C-C-N-H bonds is showing ____. - Correct Answer-Protein secondary structure Which of the following is a measure of randomness in a system? - Correct Answer- Entropy Anything that prevents ATP formation will most likely ____. - Correct Answer-Result in cell death Facilitated diffusion across a biological membrane requires _____ and moves a substance ____ its concentration gradient. - Correct Answer-Transport proteins...down Examine the cells below. Cells with higher concentration of ions than the surrounding medium tend to ____. - Correct Answer-expand Which of the following parts of a cell is (are) most like the shipping center of a company? - Correct Answer-Golgi Apparatus Active Transport _____. - Correct Answer-ATP as energy source, Move solutes against concentration gradient, Involve transport ions The endomembrane system includes _____. - Correct Answer-Golgi Apparatus, Lysosomes, Vacuoles, and the Endoplasmic Reticulum Animals store carbohydrates as ____. - Correct Answer-glycogen By definition, what type of fatty acid has double bonds? - Correct Answer-Unsaturated Examine the following figure. Which of the following reactants primarily come(s) from the air? - Correct Answer-Oxygen and Carbon dioxide Enzymes are _____. - Correct Answer-Proteins In the figure that shows a diagram beginning with food then breaking up into polysaccharides, fats and proteins and the breakup of sugars, glycerol, fatty acids and amino acids is showing what? - Correct Answer-Our cells can use sugars, fatty acids and amino acids to produce ATP Which equation best summarizes photosynthesis? - Correct Answer-6CO2 + 6H2O ---> C6H12O6 +6O The products of the light reactions of photosynthesis are ___. - Correct Answer-ATP and NADPH

Which of the following is the source of electrons for the light reactions? - Correct Answer-H2O A new "wonder food" is being distributed by a rival company. The researchers in your company determine that the "wonder food" contains only carbon, oxygen and hydrogen. At this point, the researchers ______. a.) can say with certainty that the food is not made of proteins b.) can say with certainty that the food is not made of nucleic acids c.) can safely say that the food can be a carbohydrate d.) cannot eliminate the notion that the food may be a fat e.) all of the above - Correct Answer-E Both cellular respiration and photosynthesis rely on electron transport chains embedded in the membranes to produce ATP molecules. Which of the following correctly describes the difference between the two types of electron transport chains? - Correct Answer-In cellular respiration, the electron source is energy rich food and the final electron destination is oxygen. The diagram representing an overview of the different entry pathways to cellular respiration when different macromolecules are digested for energy production. Why are none of the digestive products entering the electron transport chain directly? - Correct Answer-The electron transport chain only receives electrons carried by the reduced electron carrier molecules such NADH