Which of the Following Statements Describes Enzymes Correctly

Pepsin is a water-soluble enzyme that helps digest proteins in the human stomach. What are statements about enzymes.

Distance Learning Lab Enzymes Distance Learning Enzymes Activity Enzymes

Enzymes affect the rate of a chemical reaction by being altered to fit into the active site of a substrate C.

. An enzyme works by the included-fit model lowering the activation energy of the reaction B. Which of the following statements correctly describes a difference between viruses and prions. The graph shows a population of yeast and a unicellular organism Paramecium grown in a fermentation chamber.

1the substrate binds and the enzyme split apart prior to actiong on the substrate. Enzymes travel through the bloodstream to elicit responses in other body tissues. 4 10 Which of the following correctly describe an active site.

Which of the following statements correctly describes the enzyme thiokinase. The stomach secretes amylase that begins the digestion of proteins D. C absorbing enzymes onto the surface of a gel D enclosing enzymes within a partially permeable membrane Your answer 1 2.

The HCl in the stomach activates pepsin and the pancreas secretes. Which of the following correctly describes the induced fit process of how enzymes work. Enzyme catalysis is dependent on the pH and temperature of the reaction environment.

Up to 256 cash back Check all the true statements. It yields CoA as a product d. Enzymes can lower the activation energy of reactions but they cannot change the equilibrium point because they cannot change the net energy output.

A gene that codes for a protein that helps inhibit tumor growth and formation. They become denature by the exterem pH and temperature. Which of the following statements about enzyme function is correct.

While electrons are transf. Which one of the following statements best describes the relationship between the two organisms. Enzymes are carbohydrate molecules.

Up to 256 cash back Check all the true statements. A type of cancer therapy. A Viruses infect many types of cells whereas prions infect only prokaryotic cells.

The pancreas releases the active protein enzyme lipase which digests proteins into single amino acids OC. A catalyst that is in a different phase from the reactants. BThe active site is a site on the substrate molecule where specific enzyme molecules bind.

Which of the following statements correctly describes gene regulation through RNA interference. B Viruses have capsids composed of protein whereas prions are made only of nucleic acid. D RNAi involves binding of.

Which statement defines activation energy. C The RISC enzyme binds to and cleaves double-stranded mRNAs. Enzymes are composed primarily of protein but they may bind nonprotein cofactors.

B siRNAs associated with a RISC enzyme bind to complementary mRNAs. Enzymes regulate cellular functions through feedback mechanisms. 3 Enzymes may release substrates.

Which of the following statements best describes the. 1 Enzymes may change shape when they bind substrates. 2 Enzymes provide no energy for the reaction except collision energy.

It yields ADP as a product c. Enzymes accelerate reactions by increasing the activation energy. Enzymes provide activation energy for the reaction they catalyze.

Stable at high temperatures and pH extremes Explanation. It is the difference between reactant energy and maximum energy. A RNA molecules cause cleavage of double-stranded DNA of specific genes.

It yields acetyl CoA as a product b. 17 Which of the following correctly describes the electron transport chain ETC. Which of the following statements best describes the function of proteins in metabolic reactions.

Enzyme activity is not altered by heat denaturation B. It is in the same phase as the reactants. It requires β-ketoacyl CoA as a substrate Answer.

The active site of. Enzymes have specific three-dimensional shapes. A mutated gene whose protein product is produced in increased quantities or has increased activity and contributes to carcinogenesis.

A catalyst that is dispersed in the phase with the reactants. All enzymes are very sensitive to high temperature and pH. The substrate binds and the substrate changes changes shape and then substrate is acted upon by the enzyme.

A Inhibition of complex V stops the ETC due to build up of protons in the intermembrane space B Coenzyme Q10 accepts electrons from complex II and Complex III C Complex III is comprised of a TCA cycle enzyme D Complex IV uses iron and cytochrome c as electron carriers E All four complexes. D - Fatty acids must be activated before being oxidized. The substrate binds and is immediatelyacted upon by the enzyme.

It forms CoA thioesters as a product e. Hydrogen ion protons Explanation. Enzymes contain an allosteric site to which the substrate binds during a chemical reaction.

Enzyme catalysis is dependent on the three-dimensional structure or conformation of the enzyme. Enzymes are protein catalysts that decrease the activation energy of a chemical reaction D. Which statement describes a homogeneous catalyst.

Enzymes are utilized in chemical reactions to increase the concentration of substrate molecules. Match each type of catalyst with its definition. Which one of the following statements correctly describes an oncogene.

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