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Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".
The number of MCQs increased from 35 to 40, and the time for that section increased from 45 minutes to 80 minutes. Each MCQ was changed to only have 4 options, rather than 5. The number of FRQs increased from 3 to 4, and the time for that section increased from 45 minutes to 100 minutes. The exams were no longer in the same testing session.
Advanced Placement (AP) World History: Modern (also known as AP World History, AP World, APWH, or WHAP) is a college-level course and examination offered to high school students in the United States through the College Board's Advanced Placement program.
RNA editing (also RNA modification) is a molecular process through which some cells can make discrete changes to specific nucleotide sequences within an RNA molecule after it has been generated by RNA polymerase.
The AP exam for European History is divided into two sections, comprising 55 multiple-choice questions (with four answer choices), three short-answer questions, and two essay responses (one thematic Long Essay Question (LEQ) and one Document Based Question (DBQ)). [3]
The multiple-choice section of the test features 45 questions, divided between 23-25 reading questions and 20-22 writing questions. [3] There are typically 4 short passages divided between pre-20th century non-fiction prose, and 20th and 21st century non-fiction prose.
The Goldman–Hodgkin–Katz voltage equation, sometimes called the Goldman equation, is used in cell membrane physiology to determine the resting potential across a cell's membrane, taking into account all of the ions that are permeant through that membrane.
In biology, homeostasis (British also homoeostasis; / h ɒ m i oʊ ˈ s t eɪ s ɪ s,-m i ə-/ hoh-mee-oh-STAY-sis) is the state of steady internal physical and chemical conditions maintained by living systems. [1]