Bio practice exam - Study guides, Class notes & Summaries

BIO Practice Exam 1|50 Questions with Verified Answers Which of the following is NOT a property of ALL living systems as defined by the textbook? A) the ability to compensate for changes in the external environment B) the ability to engage in metabolic activities C) the possession of chemical instructions that govern their structure and function D) the ability to gain energy through consumption of other living things - CORRECT ANSWER D Which of the following details the typica...

AP Bio Practice Exam 1 Graded A Humans produce sweat as a cooling mechanism to maintain a stable internal temperature. Which of the following best explains how the properties of water contribute to this physiological process? ️The high heat of vaporization of water allows the body to remove excess heat through a phase change of water from liquid to gas A student placed a semipermeable membrane inside a U-shaped channel with two chambers, as shown. The membrane permits the m...

AP Bio Practice Exam 1 Correct 100% | Distinction Humans produce sweat as a cooling mechanism to maintain a stable internal temperature. Which of the following best explains how the properties of water contribute to this physiological process? - - The high heat of vaporization of water allows the body to remove excess heat through a phase change of water from liquid to gas A student placed a semipermeable membrane inside a U-shaped channel with two chambers, as shown. The membrane perm...

AP Bio Practice Exam 1 with Verified Solutions Latest Humans produce sweat as a cooling mechanism to maintain a stable internal temperature. Which of the following best explains how the properties of water contribute to this physiological process? - Answer -The high heat of vaporization of water allows the body to remove excess heat through a phase change of water from liquid to gas A student placed a semipermeable membrane inside a U-shaped channel with two chambers, as shown. The me...

Why did DNA evolve to be the carrier of genetic information in cells as opposed to RNA? correct answersthe hydrogen at the 2' position in the deoxyribose of DNA makes it more stable than RNA In the mismatch repair process, enzyme complexes replace bases that were incorrectly inserted into the newly synthesized DNA strand. To function, they must be able to distinguish between the parent DNA strand and the new strand. How is this accomplished? correct answersthe parent strand is methylated ...

AP Bio Practice Exam 1 -with 100% verified solutions

Cell Bio Practice Exam 2|32 Questions with Verified Answers RNA in cells differs from DNA in that ___. - CORRECT ANSWER it is single-stranded and can fold up into a variety of structures Transcription is similar to DNA replication in that ___. - CORRECT ANSWER nucleotide polymerization occurs only in the 5′-to-3′ direction. Which of the following statements is FALSE? (a) A new RNA molecule can begin to be synthesized from a gene before the previous RNA molecule's synthesis is compl...

What is the major function of bile? a. Emulsification of fats b. Digestion of fats c. Stimulation of stomach secretions d. Inhibition of stomach contractions e. Assist amino acid absorption correct answersa. Emulsification of fats Histamine: a. Causes local blood vessels to constrict. b. Causes local blood vessels to restrict fluid loss. c. Decreases blood flow to the affected area. d. Causes local swelling of the affected area. e. Causes the blood pressure in the body to increase. ...

Bio Practice Exam 28 Questions with Verified Answers Why did DNA evolve to be the carrier of genetic information in cells as opposed to RNA? - CORRECT ANSWER the hydrogen at the 2' position in the deoxyribose of DNA makes it more stable than RNA In the mismatch repair process, enzyme complexes replace bases that were incorrectly inserted into the newly synthesized DNA strand. To function, they must be able to distinguish between the parent DNA strand and the new strand. How is this accomp...

AP Bio Practice Exam 1 -with 100% verified solutions