Biochemistry

In a bacterial cell, the DNA is in the: A) cell envelope. B) cell membrane. C) nucleoid. D) nucleus. E) ribosomes. - answer-nucleoid A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: A) DNA. B) photosynthetic capability. C) plasma membranes. D) ribosomes. E) the nucleus - answer-the nucleus In eukaryotes, the nucleus is enclosed by a double membrane called the: A) cell membrane. B) nuclear envelope. C) nucleolus. D) n...

Enzymes affect the reactions in living cells by changing the ... - answer-speed of the reaction Acidic solutions have more ___________ ions, while basic solutions have more ______________ ions. - answer-H+, OH- The pH of baking soda is 9, this makes it a(n) - answer-Base Which statement concerning polar and nonpolar covalent bonds is TRUE? - answer-n nonpolar covalent bonds, neither atom has a positive or negative charge. Using the image below, correctly match the parts to their labe...

blood is a water-based transport medium. Which property of water makes it a good transport medium? - answer-Versatility as a solvent Which molecule is found in both DNA and RNA? - answer-Phosphate Which of the following are connected by hydrogen bonds? - answer-Hydrogen to oxygen between two different molecules of water Which statement about water is correct? - answer-Water molecules are polar, therefore fatty acids do not dissolve. What is the primary difference between galactose an...

Building Blocks of Lipids - answer-Fatty Acids Building Blocks of Carbohydrates - answer-Monosaccharide Building Blocks of Proteins - answer-Amino Acids Building Blocks of Nucleic Acids - answer-Nucleotides Organic Molecules are based on- - answer-Carbon The type of Lipid that stores energy? - answer-Fats Scientific Name for a Double Sugar? - answer-Disaccharide What mainly determines the function of a Protein? - answer-Shape What are the Four Biomolecules? - answer-Carbo...

The most common elements in most living things are: A. Oxygen, carbon, hydrogen, calcium B. Oxygen, carbon, hydrogen, nitrogen C. Oxygen, carbon dioxide, hydrogen, nitrogen D. Oxygen, carbon, sodium, nitrogen - answer-B. Oxygen, carbon, hydrogen, nitrogen Which of the following makes up a molecule of water? A. one atom of hydrogen and one atom of oxygen B. one atom of sodium and one atom of chlorine C. one atom of hydrogen and two atoms of oxygen D. two atoms of hydrogen and one atom...

BIOCHEMISTRY - EXAM 1 2024 WITH 100% CORRECT ANSWERS In a bacterial cell, the DNA is in the: A) cell envelope. B) cell membrane. C) nucleoid. D) nucleus. E) ribosomes. - correct answer nucleoid A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: A) DNA. B) photosynthetic capability. C) plasma membranes. D) ribosomes. E) the nucleus - correct answer the nucleus In eukaryotes, the nucleus is enclosed by a double membrane c...

BIOCHEMISTRY MODULE 3 EXAM

Biochemistry Quiz Bank

Biochemistry SHELF Revised Questions and Correct Answers Graded A++ branched amino acids Val, leu, ile essential amino acids PVT TIM HALL -OH amino acids Tyr, Ser, Thr Maple syrup urine disease: deficiency of Alpha-keto acid dehydrogenase Lesch-Nyhan syndrome Deficiency in hypoxanthine-guanine phosphoribosyl transferase. Defect in purine salvage reactions. Orange sand urine, self-mutilation and mental retardation. PKU Phe hydroxylase deficiency. Need cofactor BH4; mental retardatio...