Exercises Q1- State whether the statements are active or passive . Then change active to passive and passive to active . 1- Plant absorbs carbon dioxide . 2- Chromosome is containing DNA and histones . 3- Plasma membrane is protecting the cell from the outside environment . 4- The sun light is absorbed by the chlorophyll . 5- mRNA is translated by the ribosome . 6- Protein synthesis was coordinated by the genetic material . 7- All plants synthesized carbohydrates during photosynthesis . 8- Ribosome translates mRNA to build polypeptide . 9- Cell theory considered the cell as the basic unit of life . 10- Plants prevent soil erosion . 11- Plant biology involved the scientific study of plant . 12- The nucleus contains the nuclear DNA . 13- Lysosomes contained enzymes that aid in digestion . 14- DNA is coordinating protein synthesis 15- Carbohydrates were manufactured by plant cells . 16- Double helix was purposed by Watson and Crick . Q2- State whether the following statements are true or false . Then correct the false statements . 1- The genetic information in a genome is held within genes . 2- Ribosome is one important cellular organelle participates in energy product . 3- The cell is the largest unit of life in our bodies . 4- Plants have a skeleton for support . 5- Animal cells contain an organelle called the chloroplast . 6- The transcription phase of protein synthesis takes places in the cell cytoplasm . 7- All cells have the same functions and features . 8- The mitochondria have a specialized pigment called chlorophyll. 9- Botany covers a narrow range of scientific disciplines 10- Through photosynthesis , plants absorb carbon dioxide . 11- The genetic information in a genome is held within genes . 12- Virology is a branch of biology concerned with the study of insects . 13- The translation of mRNA occurs in the cell nucleus . 14- The plasma membrane protecting the cell from the inside environment .