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Located in thylakoid and is light absorbing pigment; gives plants green color by absorbing violet blue and red light and reflects green light. Stomata. Where CO2 enters and O2 + water vapor leave plants. See more. Unit 1-8 Learn with flashcards, games, and more — for free.
Quiz yourself with questions and answers for AP Biology MCQ Practice Exam #1, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material.
Study with Quizlet and memorize flashcards containing terms like Water characteristics, Surface Tension, Specific Heat and more.
- 2: Interpreting and Evaluating Experimental Results with a Graph and Error Bars 9 points
- 4: Conceptual Analysis 4 points
- 6: Analyze Data 4 points
Many types of cancer are treated with a combination of therapies. In lung cancer, some tumors respond well to the drug paclitaxel followed by radiation treatment. Paclitaxel is a chemical that disrupts mitosis. Instead of spindle fibers originating from the two sides (poles) of the cell, paclitaxel-treated cells develop three poles and then divide ...
Solid tumors are clusters of cancer cells and often contain blood vessels. When molecule B binds to the wild-type Brec protein in the plasma membrane of certain solid tumor cancer cells (Figure 1), the cancer cells express the membrane protein A and sometimes stimulate increased growth of blood vessels into the tumors. Cells with a particular mutat...
Increasing the efficiency of photosynthesis is one way to increase crop yield and help to feed human populations. One enzyme vital to the Calvin-Benson cycle of photosynthesis is Rubisco. Rubisco catalyzes the fixation of atmospheric CO2 into organic molecules so that the carbon atoms can be used to produce carbohydrates. Rubisco is composed of two...
This is a hybrid digital exam. Students complete multiple-choice questions and view free-response questions in the Bluebook testing app. They handwrite their free-response answers in paper exam booklets that are returned for scoring. Download a sample free-response booklet for AP Biology (.pdf).
AP ® Biology 2021 Scoring Commentary . Question 1 (continued) response earned 1 point in part (d) for explaining ouabain causes the signaling pathway, which stimulates transcription of target genes (cyclin genes) involved in cell growth and division as shown in Figure 1 (cell number). Sample: 1B Score: 6
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The AP ® Biology exam tests topics and skills discussed in your high school Advanced Placement Biology course. If you score high enough, your AP Biology score could earn you college credit! Check out our AP Biology Guide for what you need to know about the exam: AP Biology Exam Overview. Topics for AP Biology Review. AP Biology Scoring.
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