True or False: 1- The process of cellular respiration occurs in the mitochondria and involves the breakdown of glucose to produce ATP, which is used as an energy source by the cell.

TRUE OR FALSE.   1. Eukaryotic cells have membrane-bound organelles and true nucleus whereas prokaryotic cells have no nucleus and organelles. 2. Microfilaments, microtubules, and intermediate filaments keep the whole cell and its organelles intact. 3. Ribosomes, the main organelle involved in protein synthesis are composed of sub units that are produced by the golgi body.

Every valentine’s day, CVS sells chocolate-covered cherries.  The chocolate-covered cherries are like a mini cake with a cherry inside.  The cake comprises a combination of sucrose (powder sugar), butter, cherry juice, and an enzyme (invertase).  While stored at 5.00C, the sucrose hydrolyzes to produce glucose and fructose.  The mixture of the glucose and fructose is a liquid called invert sugar. Below you will find the concentration of sucrose in the cake as a function of time.  For the cherries to be edible, more than 80% of the sucrose must be hydrolyzed.  Before you start to answer the question, create a data table that comprises sucrose concentration in units of moles per liter.  Time (hours) Sucrose Concentration (g/cm3) 0 0.844 24 0.681 48 0.550 96 0.357 192 0.153 Convert your sucrose concentration to molarity below.  Round to the proper number of significant figures, based on your given information.    Sucrose conc. (g/cm3)…

A mitochondrial matrix protein is maintained in its unfolded state by a chaperone protein before transport across the mitochondrial membrane    true   false

Which organelles in a cell are more likely to be involved in anabolic reactions? (  Hint: A review of table 3.1 may be helpful inanswering this question.)

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Please answer questions 1a, b, and c please.

True or False? The selective permeability of the plasma membrane allows all substances to pass through the membrane, ensuring that the inside of the cell is in constant interaction with its external environment.

when enzymes are placed into not optimal conditions. the enzymes’s active site shape is altered and the enzyme loses its function. when this occurs, the enzyme is said to have: denatured  decarboxylated dephosphorylated desensitized depolarized  -in the “DNA extraction from fruit” laboratory, what solution disrupted the cell and nuclear membrane? methyl orange hydrogen peroxide  tap water detergent and a salt-based lysis solution ice-cold ethanol.  -which of the following parts of the spectrophotometer covents light energy into electrical energy. photometric energy  light energy monochromator phototube sample holder