Usabo open exam q Study guides, Class notes & Summaries

USABO Open Exam Questions and Answers 100% CorrectUSABO Open Exam Questions and Answers 100% CorrectUSABO Open Exam Questions and Answers 100% CorrectUSABO Open Exam Questions and Answers 100% Correct Which statement is true about enzymes? Enzymes A. Are made up of a base containing nitrogen, phosphate, and ribose. B. Have activity that is independent of temperature and pH. C. Lose some or all of their normal activity when their 3-D structure is disrupted. D. Provide the activation energy...

USABO Open Exam Questions With 100% Correct Answers 2024

Why is myelin important in the nervous system? A. It allows signals to travel faster along axons because depolarization occurs only at myelinated locations. B. It allows signals to travel faster along axons because depolarization occurs only at nonmyelinated locations. C. It bundles the dendrites of adjacent neurons together. D. It increases capacitance across the cell membrane, which helps electrical signals to leave the axons. E. It traps neurotransmitters, increasing their concentratio...

USABO Open Exam Question With 100% Correct Answers 2024

USABO Open Exam Questions With 100% Correct Answers 2024

Classes of membrane molecules is a marker for the phagocytosis of apoptotic cells Phosphatidylserine Pollen grains are treated with Colchicine in culture Resulting plants are dihaploid and fertile Nyctinasty closing of leaves or flowers at night Epinasty perplexing behavior seen during the flooding of roots of plants Food source of black bread mold (a zygomycete) has been depleted a zygosporangia forms Membranes responsible for respiration in developing bi...

The production of the genetically engineered "golden rice" could be important to people of developing nations, especially in South-East Asia, because: A. people are more likely to consume yellow grains than white. B. golden rice is less expensive to grow and harvest than white rice. C. golden rice has been engineered to be resistant to most commercially available herbicides. D. golden rice has been engineered to contain higher concentrations of β-carotene than white rice. E. golden rice has b...

Which statement is true about enzymes? Enzymes A. Are made up of a base containing nitrogen, phosphate, and ribose. B. Have activity that is independent of temperature and pH. C. Lose some or all of their normal activity when their 3-D structure is disrupted. D. Provide the activation energy needed to activate a reaction. E. Work once only and then are destroyed. - C. Lose some or all of their normal activity when their 3- D structure is disrupted. You have a multicellular organism that reproduc...

USABO Open Exam questions and answers 2024.

USABO Open Exam Questions And Revised Correct Answers Updated Both amino acids and nucleotides form complex chains. Select all the answers below that are accurate. A. The chains formed by both have polar phosphate groups. B. Both contain peptide bonds. C. Both contain nitrogen. D. The chains formed by both can be lysed by trypsin. E. The sequence of chains both form from preexisting templates. - ANSWER : C. Both contain nitrogen. E. The sequence of chains both form from preexistin...