WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
5th Edition
ISBN: 9781319272531
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 23, Problem 3MC
Summary Introduction
Introduction:
Proteins are what various cell components are composed of.
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Which of the following is not a function of a protein?
A. Support
B. Transport
C. Metabolic regulation
D. Storage of genetic information
E. Movement
Which of the following statements is False?a. Carbohydrates are the most efficient energy-storagemolecules by weight.b. Intrinsically disordered protein segments have mostlyhydrophilic amino acids.c. Nucleotides may act as energy-carrier molecules.d. Very acidic or salty solutions may denature proteins.
Proteins are synthesized from:
Select one:
a Fatty acids.
O b. Amino acids
c. Carbon, Hydrogen and Oxygen
d. Carbon, Hydrogen, Oxygen and Nitrogen.
le (b) and (d) are correct
Chapter 23 Solutions
WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
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- Which of the following is not a function of a protein? A. Long term energy storage B.Repair body tissues C.Allows metabolic reactions to take place D.They catalyze reactionsarrow_forwardBranched-chain amino acids are important in metabolic processes for all of the following reasons except a. They serve as nonessential amino acids precursors. b. Their major role is in liver amino acid metabolism. c. They are a major transport form of amino nitrogen in blood. d. They are a critical source of hydrophobic side chains in DNA-binding proteins.arrow_forwardWhich of the following statements about amino acids is/are incorrect? I. The formation of a dipeptide from two amino acid molecules leads to a loss of a water molecule. II. All standard amino acids can be synthesized by the organism. II. All essential amino acids are optically active. IV. Overall, naturally occurring amino acids are equally likely to be found having either an R or S configuration. V. All standard amino acids are neutral at physiological pH. II, IV, and V II, III, IV, and V II, III, and V O , I, and II O , II, and Varrow_forward
- Which of the following statements about amino acids is true? A. Twenty two amino acids are commonly found in proteins. B. Amino acids are often linked together to form branched polymers. C. All amino acids contain an NH2 and a COOH group. D. Most of the amino acids used in protein biosynthesis have charged side chains.arrow_forwardWhich of the following is FALSE about carbohydrates? a. They are essential components of the genetic material. b. They serve as supportive structural and protective components in the cell walls of bacteria and plants. c. They can act as ligands and receptors in cellular communication. d. They are generally non-polar and supply the body with fat-soluble vitamins.arrow_forwardWhich of the following descriptions about essential amino acids is correct? Select one: a. Essential amino acids cannot be absorbed by human body. b. There are 11 essential amino acids. c. The body can synthesize proper proteins with missing essential amino acids. d. Vegetables are richer in essential amino acids when compared with meat. e. Meat has high protein quality than vegetable.arrow_forward
- Which of the following statements is false? a. Fiber is a polysaccharide that is completely or partially indigestible by the human body. b. A complete protein contains all of the essential amino acids. c. Saturated fats contain hydrogen atoms arranged on opposite sides of the carbon-carbon double bond. d. Linoleic and linolenic acid are essential fatty acidarrow_forwardWhich of the following is NOT a function of proteins? A. movement of muscles B. provide structural components stores the genetic information of a living organism C. catalyze reactions in the cells D. transport substances through the bloodstreamarrow_forwardWhich of the following statements are correct about protein folding (select all that appy)? A. Protein folding is a very slow process with most proteins requiring >30 min to go from unfolded to native conformation B. The mature two-chain form of insulin spontaneously folds into the native conformation C. A sharp transition in the presence of denaturants (See Figue 8.1) suggests the protein folds without intermediates D. Proteins randomly sample each possible conformation before arriving final native state E. Proteins with disulfide bridges tend not follow a simple two-state folding mechanism.arrow_forward
- Why does dari creme exist in a solid form at a normal room temperature? Magnolia Pinipili ng MAPILING ina DARICREME Classic 0% Trans Fat Formyed with 4D&E PREMIUM MARGARINE CHOLESTEROL-FREE FOOD Keep Refrigeraed (2-10 C) Net Wt. 200g (7.05 oz) Philippine Market #OnlineShop in TOKYOarrow_forwardWhich of these vitamins can serve as a cofactor?(a) Vitamin A (b) Vitamin C(c) Vitamin Darrow_forwardIn dehydration synthesis, watera. is removed from a protein.b. is added to a protein.c. is added to amino acids.d. is removed from amino acids.arrow_forward
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