Agricultural Studies > QUESTIONS & ANSWERS > Ag Crop physiology Exam 1 questions with All the Correct Answers (All)
Ag Crop physiology Exam 1 questions with All the Correct Answers In the image below, match each letter to the correct cell wall structure. -Ans>> A. Middle lamella B. Simple pits C. Primary wa... ll D. Secondary wall E. Plasma membrane Proteins, ___________________ and phospholipids make up the cell membrane. - Ans>> Cholesterols Cholesterols are buried in the "_______________" region. -Ans>> tail Cholesterols stabilize the interior of the membrane to keep it from becoming too ______________ as temperature rises. -Ans>> fluid Cholesterol break up the ________________ interactions. -Ans>> Van der waals In the image below, match each letter to the correct component of the fluid mosaic model. -Ans>> A. Outside of the cell B. Cytoplasm C. Hydrophobic region D. Hydrophilic region E. Protein F. Phospholipid bilayer A hydrogen bond is formed when a hydrogen atom is shared between at least ______ water molecules creating electrostatic attractions resulting in very strong intermolecular interactions. -Ans>> 2 What is the second most common organic compound? -Ans>> Lignin The endoplasmic reticulum is important to ____________________ formation. -Ans>> Protein At maturity, these types of simple cells are dead and are most often associated with xylem or vascular tissue. -Ans>> Sclerenchyma Hydrophobic interactions of a cell membrane can be described as nonpolar molecules that cannot form ___________ bonds with water. -Ans>> Hydrogen. These 3 main ares make up the plant cell: Cell wall, protoplast and __________________. -Ans>> Vacuole A single cell layer thick sometimes with a waxy coating best describes the _____________________? -Ans>> Epidermis The cell wall is made up of the primary and secondary wall, both of which are primarily composed of _________________ and _________________. -Ans>> Cellulose and lignin Identify the type of meristematic tissue in the image below. -Ans>> Apical root meristem Sucrose is composed of? -Ans>> Glucose and fructose This diagram features a cross section of a dicot stem. True or false? -Ans>> False The nuclear envelope is not connected to the Endoplasmic Reticulum. -Ans>> False The lipid bilayer is semipermeable. It is permeable to large molecules and charged ions, while impermeable to lipid soluble molecules with low molecular weights. -Ans>> False Parenchyma tissue has no secondary cell wall. -Ans>> True This diagram represents a cross section of a dicot stem. -Ans>> True The primary cell was is considered plastic; it is adaptable for growth. -Ans>> True Microtubules do not direct the motion of organelles and chromosomes. -Ans>> False The vacuole helps keep the cell rigid, gives plants volume by storing water and other molecules, and contains lysosome like enzymes for digestion. -Ans>> True Addition of electrons or H's or removal of O2. -Ans>> Reductase Removal of electrons or H's and transfer to O2. -Ans>> Oxidase Transfer groups from one compound to another compound. -Ans>> Transferase Breaks bonds by the addition of H2O. -Ans>> Hydrolase Hydrolyze lipids -Ans>> Lipase Hydrolyze starch -Ans>> Amylase The ___________ is when the enzyme has an active site that can be altered. -Ans>> Induced-fit hypothesis [Show More]
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