Why are all biologically active molecules, hence all of life “left handed?” Include enzymes and the “lock and key” mechanism in your answer. Give an example.
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4. Why are all biologically active molecules, hence all of life “left handed?” Include enzymes and the “lock and key” mechanism in your answer. Give an example.
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- 1. What is an enzyme? A broken amino acid Protein that catalyzes specific reactions An isomer Passable genetic information Any combination of amino acids 2. What do eukaryotes have that prokaryotes do not? Heat sensitive enzymes Cell walls Right handed amino acids Genetic information A nucleus 3. The "rare Earth" hypothesis is a refinement of what well-known estimating tool? Anthropic principle Fermi Paradox Sagan principle Copernican principle Drake Equation 4. In the formation of planetary systems, we attribute the conservation of angular momentum to what result? Why planets form in disks Why planets have a maximum size Why stars shine Why planetary clouds condense Why moons are small 5. The cosmic microwave background has been directly measured by which…1. If the hydrophobic solvent hexane (C6H₁4) was the "solvent of life", predict the following and justify your answers: a. The structure of a cell membrane composed of 1-decanoic acid (shown): b. The folding of a macromolecule (e.g. a protein) composed of hydrophilic and hydrophobic regions. C. The ability of a cell to resist temperature fluctuations. OHWhich of the following statements is/are TRUE about nucleic acids? 1. Nucleic acids are found in the nucleoid region of prokaryotes. II. The 5' end of a nucleotide has a free OH group on the 5' carbon atom. Neither I nor II O I only Both I and II O II only
- 1. Why the river fish will die if we leave it in the sea?2. Explain the types of bond present in a pond? 3. Explain irritability, coordination and behavior with an analogy. 6. Why oil gets hot faster than water? 7. Do we able to make all proteins in our body? Explain your answer. 8. By which biological macromolecule the outer cuticle of beetles and ticks are made? 9. Explain the procedure of enzyme formation in our body by drawing.1. Which statement best describes the motion of the dye molecules in the water? a. The dye molecules move in a directed way from high to low concentration. b. The dye molecules move randomly through collisions and in no particular direction. C. The dye molecules stay close to other dye molecules as they move through the water. 2. The simulation shows the water molecules that the ink is suspended in. If you were to drop ink into a container of water, would you actually observe molecular movement? Why or why not? We would not be able to4. What does Denature mean and when does it occur? 5. Why can't the enzyme that breaks down my starch breaks down lipids? 6. An enzyme that works best in my mouth (pH of 7) moved to my stomach (pH of 3). Would it still function? Explain your answer with details using the vocabulary (active site, denature, substrate, enzyme, substrate)
- 4) The molecules that make up organisms seem to obey the same laws of chemistry and physics as all and self assemble other molecules. How do these molecules fold into complex 3D shapes complex arrangements as is required for living things? In your answer forces we discussed. into focus on the two most important intermolecularCreate a concept map which the main topic is macromolecules and it branches out to the following topics Water, Carbohydrate, Proteins, Lipids- include cell membranes, Nucleic acids A concept map is a useful strategy to organize and understand the "BIG picture" of a particular concept - this case Biochemistry. Concept maps are usually organized in the following manner... • start with the main topic in the middle a key areas are then placed on the map followed by more specific ideas radiating outwards • connectors (lines/arrows) are used to join each concept on the map connectors are labeled with a word or short phrase that explains the relationship between the connected concepts Good concept maps include colors, pictures and other graphic organizers (symbols, shapes, various fonts, etc) to organize and illustrate ideas. Use your class notes and information presented in D2L to gather the information that needs to be presented on the concept map. The more details and connections you…5.Make a triglyceride molecule and attach it below. (not extremely long answers please and I know there are multiple questions but u can make it worth 2 questions please I don't understand it) *you do NOT need to show the water molecules off to the side What is the biochemical reaction called that was used to make the triglyceride? What is the name of the bond that holds it together? How many water molecules were produced in this reaction?
- 1) Hydrogen bonds are critical to life because theyGroup of answer choices Are involved in the secondary structure of a folded protein Are critical for the properties of water Are involved in tertiary structure of a folded protein Are involved in base paring of nucleotides All of the above. 2) A transport system that moves two different solutes into the cell by diffusion (greater concentrations outside the cell than in it) could be called a(n) _______ Group of answer choices active symport active uniport active antiport passive symport passive antiport4. In the center box below, draw any generic cell membrane with at least 6 phospholipids in a neutral temperature environment 5. Now imagine that a cell with that membrane is exposed to a much hotter environment, but the composition of its membrane remains the same. In the box on the right, label if the membrane will be more fluid or more rigid in the hot environment compared to the neutral environment. 6. Starting again with a cell with the membrane in the neutral environment in the center, imagine that cell is exposed to a much colder environment, but the composition of its membrane remains the same. In the box to the left, label if the membrane will be more fluid or more rigid in the cold environment compared to the neutral environment. 6. Cold environment 4. Neutral environment 5. Hot environment More Fluid or Rigid (circle one) More Fluid or Rigid (circle one)3. What is a dogma? Describe the central dogma of biology. Include the names of the three cellular molecules and the three processes that make those molecules in your description.
