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Science Hacker Strb
| Question | Answer |
|---|---|
| The smallest unit that can perform all life processes necessary for life is a _________. | cell |
| The first person to discover cells was_______. | Hooke |
| _______ discovered single-celled organisms including bacteria. | Leeuwenhoek |
| ________ concluded that all plant parts were made of cells. | Schleiden |
| ________ concluded that all animal tissues were made of cells. | Schwann |
| _________ concluded that all cells come from existing cells. | Virchow |
| Why can a chicken agg grow so large? | It does not have to take in nutrients |
| What limits cells to a very small size? | the surface area-to-volume ratio of the cell |
| How would you calculate the surface area-to-volume ratio of a cell? | Divide the total surface area of the cell by the cell's volume |
| What kind of cells have cell walls? | Plant and fungi cells have cell walls. |
| A ______ is a protective layer that covers the cell's surface. | cell membrane |
| ______ is the fluid inside a cell. | Cytoplasm |
| An ________ is a structure that performs a specific function in a cell. | orgnelle |
| _____ is the genetic material that carries information needed to make new cells or new organisms. | DNA |
| The ______ is an organelle that contains DNA and hs a role in growth, metabloism, and reproduction. | nucleus |
| What are the three parts of the cell theory? | All organisms have one or more cells, the cell is the basic unit of all life and all cells come form existing cells |
| What are the two basic kinds of cells? | Those without a nucleus and those with a nucleus (prokaryotes and eukaryotes) |
| How do eukaryotes compare in size to eukaryotes? | Eukaryotes are about 10 times larger |
| What does multicellular mean? | many cells |
| What is the function of the cell wall? | the function of the cell wall is to provide support to the cell |
| What are cell walls of plants and algae made out of? | cellulose |
| What are the cell walls of fungi made out of? | chitin |
| A web of proteins in the cytoplasm is known as the______. | cystoskeleton |
| What is the genetic material contained inside a cell's nucleus? | DNA |
| The function of proteins in the cell is to_______. | control chemical reactions |
| What is the nucleolus? | a dark area of the nucleus that stores materials and makes ribosomes |
| Organelles that make proteins are called______. | ribosomes. |
| Proteins are made of______. | amino acids |
| A system of folded membranes in which proteins, lipids, and other materials are made is the_______. | endoplasmic reticulum |
| Two forms of endoplasmic reticulum are______ and _________. | smooth ER and rough ER |
| What function does a mitochondrion perform? | It breaks down sugar to produce energy |
| The site of cellular respiration is the_______. | mitochondrion |
| Energy produced in mitochondria is stored in a substance called______. | ATP(adenosine triphosphate) |
| Chloproplasts are organelles that are found in the cells of_______. | plants and algae |
| What process happens inside chloroplast? | photosynthesis |
| Chloroplasts are green because they contain_____. | chlorophyll |
| The function of the Golgi complex is to_______. | package and deliver proteins |
| A small sac that surrounds material to be moved into or out of the cell is a_______. | vesicle |
| What is a lysosome? | It is an organelle that sontains digestive enzymes |
| How do multicellular organisms grow? | They grow by making more small cells, not making cells larger. |
| What are three benefits of being multicellular? | Larger size, longer life span, and specialization of a scpecific function |
| What is a tissue? | A tissue is a group of similar cells that work together to perform a specific function |
| What are the four basic typed of tissues in animals? | nerve, muscle, connective, and protective tissue |
| What are the three basic typed of tissues in plants? | Transport, connective and ground tissue |
| A structure that is made up of two or more tissues working together is called an________. | organ |
| A group of organs working together to perform a perticular funstion is celled an_______. | organ system |
| Anything that can perform all life processes is_______. | an organism |
| The term for any organism with only one cell is_______. | unicellular |
| What is the lowest level of classification? | cells |
| What is the highest level of classification? | organ systems |
| The arrangement of parts in an organism is the_____. | structure |
| The job that part does within the organism is the_____. | function |
| The millions of timy air sacs in the lungs are called_______. | alveoli |
Created by:
artmullin1997
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