Cell Differentiation and Specialization — Cumulative exam Answers

Which equation represents fertilization?

The table lists some organelles and functions. Only one pair is correctly matched.Functions of OrganellesOrganelleFunctionNucleusDirects cell activityEndoplasmic reticulumBreaks down sugar molecules to supply energyGolgi apparatusSupports and protects organelles in the cellLysosomeProduces proteins for the cellWhich organelle in the table is correctly matched with its function?

Tissue cultures (samples of cancer cells) are taken from cancer patients, and the cells are then grown in a laboratory. What is the purpose of growing cancer cells in a laboratory?

Which is the first type of cell to differentiate?

What is the end result of the eukaryotic cell cycle?

A new multicellular organism has been discovered, and scientists want to study the organism’s cell structures, including organelles. Which microscope should they use?

Read the following information from a Material Safety Data Sheet (MSDS) about the chemical hydrochloric acid (HCl).“Skin Contact: In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention immediately.”Based on this information, which is the most important thing to do right away if a student spills HCl on his shirt?

The brothers pictured below are identical twins.The boys in this picture look alike because their bodies contain identical

DNA replication occurs during which phase of the eukaryotic cell cycle?

Which is a function of the cell membrane?

A scientist is working with methane (CH4) and butane (C4H10). Which statement best compares these chemicals?

Which statement describes one way that RNA differs from DNA?

Which structure will form when a primitive cell engulfs an aerobic bacterium?

Which best illustrates the result of the process of meiosis?

Which best describes stem cells?

A doctor suspects that one of her patients has a deficiency in one of the six key elements found in living organisms. He has low energy and extremely weak, soft bones. Based on this information alone, which nutrient supplement will she most likely prescribe?

Which statement describes how enzymes and substrates are related?

There are more hydrogen atoms in living organisms than any other atom, but oxygen is more abundant in terms of mass. Why is this statement true?

Sheela wants to demonstrate the importance of photosynthesis to plants and the other living organisms that eat plants. She models the process of photosynthesis that is specifically involved in the production of sugars.Which process in the light-independent reactions of photosynthesis is she modeling?

Which function of the cell cycle is especially important to burn victims?