Name: Bacteria True/False Indicate whether the sentence or statement is true or false. TF 1. Gram-negative bacteria have a thick layer of peptidoglycan that stains purple. TF 2. Bacteria lack nuclei and therefore also lack genetic material. TF 3. Bacterial cells have membrane-bound organelles and chromosomes. TF 4. Bacterial cells are usually much … Continue reading “Quiz Bacteria”
Name: Evolution True/False Indicate whether the sentence or statement is true or false. TF 1. The theory of evolution states that species change over time. TF 2. The inheritance of acquired characteristics was one mechanism of evolution supported by Darwin. TF 3. Darwin observed that the plants and animals of the Galapagos Islands … Continue reading “Quiz Evolution”
Name: Photosynthesis True/False Indicate whether the sentence or statement is true or false. TF 1. All organisms require energy to carry out life processes. TF 2. Animals that live exclusively on a diet of other animals are unable to use carbohydrates to fuel their life processes. TF 3. When light hits a plant, … Continue reading “Photosynthesis”
Name: Viruses True/False Indicate whether the sentence or statement is true or false. TF 1. Although viruses do not consist of cells, biologists consider them to be living because they are capable of reproduction. TF 2. Wendell Stanley made the important discovery that viruses are not cellular. TF 3. Viruses consist of RNA … Continue reading “Quiz Viruses”
Lab 1 Osmosis & Diffusion Introduction: Cells have kinetic energy. This causes the molecules of the cell to move around and bump into each other. Diffusion is one result of this molecular movement. Diffusion is the random movement of molecules from an area of higher concentration to areas of lower concentration. Osmosis is a … Continue reading “Lab 1 Osmosis”
