a. TRUE
b. FALSE
Apoenzymes are enzymes that lack their necessary cofactor
c. TRUE
Coenzymes are mostly derived from vitamins and other organic essential nutrients in small amounts.
d. TRUE
Ligase is an enzyme that uses ATP to form bonds.
e. TRUE
An apoenzyme is an inactive enzyme, activation of the enzyme occurs upon binding of an organic or inorganic cofactor.
QUESTION 4 Which of the following statements is false? a. A cofactor may be an exogenous...
1- Which of the following statements about cholesterol regulation is false? A) Insulin stimulates the production of cholesterol. B) High intracellular cholesterol levels stimulate proteolysis of HMG-CoA reductase. C) High intracellular cholesterol levels inhibit the uptake of extracellular cholesterol. D) Glucagon stimulates the production of cholesterol. 2- Which statement is incorrect about the synthesis of fatty acids by fatty acid synthase in mammals? A) It uses FADH2 as a reductant of carbon-carbon double bonds. B) It uses NADPH as a...
Which of the following statements about Huntington's is true? You can retry this question, the average of your two answers is recorded. You should see feedback if you get a question wrong. O a. The mutated allele(s) has/have lost the function of keeping brain cells healthy, and is/are therefor a dominant disease O b. Huntington is a very rare and therfor recessive. c. Huntington strikes people after reproductive age and is therefor dominant. d. The mutated allele(s) has/have gained the...
Question 1 of 8 2.0 Points Which of the following statements about the cytoskeleton is false? A. The cytoskeleton is made up of three types of protein filaments. B. The cytoskeleton controls the location of organelles in eukaryotic cells. C. Covalent bonds between protein monomers hold together cytoskeletal filaments. D. The cytoskeleton of a cell can change in response to the environment. Reset Selection Question 2 of 8 2.0 Points Which of the following statements about the function of the...
• • Indicate true or false for each of the following statements Correct false statements. 1. Calcium, phosphate, magnesium, and fluoride combine to form stable compounds that become the structure of bones and teeth. 2. Osteoporosis refers to the condition of a porous bone, which isless dense than healthy bones. 3. Calcium is deposited onto bones constantly until the age of 20. 4. In addition to Vitamin D's regulatory process, calcitonin hormone signals an increase in calcium absorption.. 5. Osteoporosis...
What are the three functional groups that comprise a nucleotide? What do nucleotides have in common with amino acids or simple sugars? When the structure of DNA was first elucidated, many biologists quickly saw how this structure explained the passage of information from one generation to another. How does the structure of DNA explain generation-to-generation flow of information? In other words, give a brief description of the structure of DNA and tell how this structure allows for replication. Which of...
1. Which of the following is not considered a nutrient a Vitamin B. Water c.Carbohydrate (d) Alcohol e Mineral 2. For which of the following causes of death does a person's diet play a part? a. Lung disease (6) Cancer Chronic lower respiratory diseases d. Infections of the blood e AIDS 3. Researchers repeatedly report that people who consume a variety of foods such as fruits, vegetables, legumes, nuts, and whole grains have reduced risks of which of the following...
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 00 OA Figure 2.1 Using Figure 2.1, match the following: 1) Tertiary (protein) structure, 2) Monosaccharide 3) Nucleotide 4) Lipid 5) Functional protein 6) Polymer 7) Polysaccharide TRUE FALSE. Write T if the statement is true and F if the statement is false, 8) Final preparation for cell division is made during the cell life cycle subphase called G2. SHORT ANSWER. Write the word...
thats all the information that he gave us to solve the question. Thank you for trying anyways X C E Question 23 1 pts The free-energy changes for the transfer of individual amino acid residues from a hydrophobic to an aqueous environment are given as follows: Amino acid AG of transfer (kJ/mol Proline -0.8 -12.6 Histidine 6.7 Alanine Methionine 14.3 Based on this information, which of these amino acid pairs is MOST likely to be represented in membrane-spanning alpha helices?...
1. Which of the following are the sites within the human body where carbon dioxide and oxygen are exchanged? A. Alveoli B. Arteries C. Synapses D. Venules 2. Which of the following describes the most important reason for repeating an experimental investigation? A. To verify the validity of the original findings B. To expand upon the original investigation C. To manipulate the independent variable D. To attempt to disprove the hypothesis 3. Lithium has an atomic number of 3 and...
BIOL 1620o, Spring 2019 NAME (Last, Preferred First): Date: 45. What is the most important means by which capillay exchange occurs? 53. Which of the following organs does NOT contain lymphatic tissue? A. liver B. spleen C. lingual tonsils A. exocytosis B. diffusiorn C. ATP powered pumps D. facilitated diffusion E. pharyngeal tonsils. 46.According to Poiseuille's law A. blood flow is not related to resistance. B. ph of the blood influences flow C. viscosity of the blood is not related...