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The organisms in each group are illuminated with light of a single wavelength (650 nm for the first group, 550 nm for the second group, and 430 nm for the third group). The three light sources are of equal intensity, and all organisms are illuminated for equal lengths of time.
Point 1: What is the operational definition of the dependent variable? To earn this point the student must identify the operational definition as the speed or time in which participants recall definitions or vocabulary words or both.
AP Biology: 2013 Exam Review. In a second experiment, Variety A seedlings at 17oC were treated with a chemical that prevents NADH from. being oxidized to NAD+. Predict the most likely effect of the chemical on metabolism and oxygen consumption.
AP Exam Instructions BIOLOGY There .is .a .10-minute .break .between .Sections .I .and .II . .When .all .Section .I .materials .have .been . collected .and .accounted .for .and .you .are .ready .for .the .break, .say: Please listen carefully to these instructions before we take a 10-minute break.
1. What are autotrophs and heterotrophs? Autotrophs are “self-feeders”; they sustain themselves without eating anything derived from other living beings. Heterotrophs obtain their organic material by living on compounds produced by other ...
Learn AP Biology using videos, articles, and AP-aligned multiple choice question practice. Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop scientific thinking skills as you explore the study of life.
Trying to plan your AP Biology review? We outline the key features of the exam and how best to study for it, plus tips on creating a study schedule.
