Part A Which statement about enzymes is FALSE? Enzymes may use coenzymes derived from vitamins or cofactors from metallic elements. The shape of the active site on an enzyme is not influenced by the substrate. Most enzymes can catalyze millions of ...
Which of the following is a correct statement about enzymes? A. They are composed of lipids. B. They speed up chemical reactions without being consumed. C. They are always composed of proteins. D. They slow down chemical reactions. E. They are only active at high temperatures. ...
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7 Which statement describes the effect of temperature on enzymes? A High temperatures denature enzymes making it difficult for substrate molecules to fit into the active site. B High temperatures denature enzymes making it easy for substrate molecules to fit into the active site. C Low temperatures...
Which of the following enzymes is not a substrate for trypsin? A) Enteropeptidase. B) Chymotrypsinogen. C) Procarboxypeptidase. E) None of these are substrates for trypsin. E) All of these are substrates for trypsin. Fill in the blank: is the ...
Statement II:Nucleases in the intestinal juice act on nucleic acids to form nucleotides and nucleosides. -Understanding Nucleases:Nucleases are enzymes that break down nucleic acids (DNA and RNA) into smaller units. -Role of Nucleases:These enzymes hydrolyze nucleic acids into nucleotides and nucleosid...
2. Which statement isTRUEabout the bacteria? A.Bacteria can be seen with our eyes directly. B.Bacteria can’t be used to break down plastic. C.Enzymes help bacteria change chemicals in plastic. 3. From Paragraph 3, we can know ___. A.most...
Enzymes: Enzymes are biological catalysts that are typically composed of protein. They speed up chemical reactions in the cell by lowering the activation energy of the reaction. Answer and Explanation: The answer is B. Helicase is an enzyme that unwinds the DNA double he...
Step 1: Analyze Statement (i) Statement (i): The acrosome is filled with hydrolytic enzymes which help in dissolving the membrane of the ovum at the time of fertilization. - The acrosome is a cap-like structure located at the front of the sperm. It contains hydrolytic enzymes known as ...
- Option D: Spores with two flagella – This is incorrect because diatoms do not produce spores with two flagella. 4. Conclude Which Statement is Wrong: - Based on the analysis, the statement that is wrong about diatoms is "spores with two flagella." Therefore, the correct answer is option...