- Samenvattingen, Aantekeningen en Examens

IB Biology Plants Study Guide Test. dicot flower parts-sepal - CORRECT ANSWER the original petals that protected the growing flower bud dicot flower parts-petals - CORRECT ANSWER provide protection and collection area for water and insects, and also can be brightly colored to attract insects dicot flower parts-anther - CORRECT ANSWER creates pollen (male gametes) dicot flower parts-filament - CORRECT ANSWER supports anther dicot flower parts-stamen - CORRECT ANSWER anther and fi...

IB Biology 1.5 Exam Questions & Answers. Endosymbiotic theory - CORRECT ANSWER a theory that some eukaryotic organelles, such as mitochondria and chloroplasts, originated as free-living prokaryotes that invaded primitive eukaryotic cells. Allowed growth of smaller cells in a cytoplasm, through endocytosis, and the rapid replication they could persist indefinitely inside the large cells. It also states that mitochondria were once free living prokaryotic organisms that had developed the p...

IB Biology – Cells Exam Questions & Answers. Cell Theory - CORRECT ANSWER Idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells Unicellular organism - CORRECT ANSWER Organism that consists of one cell that carries all functions of life Metabolism - CORRECT ANSWER Chemical reactions inside a cell, such as cell respiration Homeostasis - CORRECT ANSWER The ability to kee...

IB Biology, Ecology Final Exam Study Test. Ecology - CORRECT ANSWER The science of the relationships between organisms and their environments. Organism - CORRECT ANSWER an individual living thing that uses energy, reproduces, responds, grows, and develops Species - CORRECT ANSWER a group of similar organisms that can breed and produce fertile offspring Population - CORRECT ANSWER group of individuals of the same species that live in the same area at same time Community - CORRECT...

IB Biology HL Written Exam Questions & Answers. What are the characteristics common to all forms of life? - CORRECT ANSWER reproduction, carbon, responds to surroundings, Growth and Development, cellular organization, and energy What are the levels of biological organization from simple to most complex? - CORRECT ANSWER Molecules, cell, tissue, organ, organism, population, community, ecosystem, biosphere What are the 4 most common types of biological molecules? - CORRECT ANSWER Protei...

IB Biology - Unit 1 - Cell Biology Exam Study Guide Test. Cell Theory - CORRECT ANSWER The theory that cells form the fundamental structural and functional units of all living organisms Unicellular - CORRECT ANSWER A single celled organism Multicellular - CORRECT ANSWER Made up of more than one cell. Prokaryotic - CORRECT ANSWER A small single cell lacking a nucleus or any other membrane-bound organelles. Bacterial cells are an example Eukaryotic - CORRECT ANSWER A cell characte...

IB Biology – Water Study Guide Test. Polar molecule - CORRECT ANSWER molecule with regions of positive and negative charge Oxygen Atom (in water) - CORRECT ANSWER region of a water molecule that is negatively charged Hydrogen Atoms (in water) - CORRECT ANSWER regions of a water molecule that are positively charged Capillary action - CORRECT ANSWER ability of water molecules to creep up surfaces due to their polarity (e.g., up plant stems, meniscus in a graduated cylinder) Hydr...

IB Biology Topic 1 Written Exam Questions Correctly Answered. Cell Theory - CORRECT ANSWER 1. All living things are composed of cells 2.The Cell in the fundamental unit of life 3. Cells only arise from pre-existing cells Striated Muscle - CORRECT ANSWER Long Cells, (300 mm), multiple nuclei, questions cell theory Acetate Fungal Hyphae - CORRECT ANSWER challenges idea that cell is a single unit, multi-nucleated, and continuous cytoplasm. Cell walls composed of Chitin giant algae ...

IB Biology - Molecular Biology Exam Questions Correctly Answered. Name the most frequent elements in life - CORRECT ANSWER CHON (Carbon, hydrogen, oxygen, nitrogen, and are main elements found in organic molecules in organisms) 5 other necessary elements for life - CORRECT ANSWER Sulfur: found in 2 amino acids Calcium: chemical messenger that helps regulate cell processes Phosphorus: ATP and DNA, RNA (phosphate) Iron: needed in cytochromes for electron transport chains, hemoglobin so...

IB Biology – Water Final Exam Study Guide. A chemical bond is formed through - CORRECT ANSWER gaining, losing, or sharing electrons Ion - CORRECT ANSWER A charged atom which gained or lost electrons ionic bond - CORRECT ANSWER A chemical bond resulting from the attraction between oppositely charged ions. covalent bond - CORRECT ANSWER A chemical bond formed when two or more atoms share electrons non-polar molecule - CORRECT ANSWER molecule that shares electrons equally and doe...